Complete DI

Don't reload history in onShow, fix possible crash for ImagePickDelegate.
9 years ago · 6a6055ea98
parent 33c5cc720e
commit 6a6055ea98
37 changed files with 403 additions and 182 deletions
--- a/Clover/app/src/main/java/org/floens/chan/Chan.java
+++ b/Clover/app/src/main/java/org/floens/chan/Chan.java
@ -17,32 +17,21 @@
 */
 package org.floens.chan;

+import android.annotation.SuppressLint;
 import android.app.Application;
-import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.Build;
 import android.os.StrictMode;

-import com.android.volley.RequestQueue;
-import com.android.volley.toolbox.ImageLoader;
-import com.android.volley.toolbox.Volley;
-
-import org.floens.chan.core.UserAgentProvider;
-import org.floens.chan.core.cache.FileCache;
+import org.floens.chan.core.di.UserAgentProvider;
 import org.floens.chan.core.database.DatabaseManager;
 import org.floens.chan.core.di.AppModule;
 import org.floens.chan.core.di.ChanGraph;
 import org.floens.chan.core.di.DaggerChanGraph;
-import org.floens.chan.core.http.ReplyManager;
-import org.floens.chan.core.manager.BoardManager;
-import org.floens.chan.core.manager.WatchManager;
-import org.floens.chan.core.net.BitmapLruImageCache;
-import org.floens.chan.core.net.ProxiedHurlStack;
 import org.floens.chan.utils.AndroidUtils;
 import org.floens.chan.utils.Logger;
 import org.floens.chan.utils.Time;

-import java.io.File;
 import java.util.Locale;

 import javax.inject.Inject;
@ -52,16 +41,8 @@ import de.greenrobot.event.EventBus;
 public class Chan extends Application implements UserAgentProvider {
    private static final String TAG = "ChanApplication";

-    private static final long FILE_CACHE_DISK_SIZE = 50 * 1024 * 1024;
-    private static final String FILE_CACHE_NAME = "filecache";
-    private static final int VOLLEY_CACHE_SIZE = 10 * 1024 * 1024;
-
-    public static Context con;
-
+    @SuppressLint("StaticFieldLeak")
    private static Chan instance;
-    private static RequestQueue volleyRequestQueue;
-    private static ImageLoader imageLoader;
-    private static FileCache fileCache;

    private String userAgent;
    private int activityForegroundCounter = 0;
@ -73,41 +54,12 @@ public class Chan extends Application implements UserAgentProvider {

    public Chan() {
        instance = this;
-        con = this;
    }

    public static Chan getInstance() {
        return instance;
    }

-    public static RequestQueue getVolleyRequestQueue() {
-        return volleyRequestQueue;
-    }
-
-    public static ImageLoader getVolleyImageLoader() {
-        return imageLoader;
-    }
-
-    public static BoardManager getBoardManager() {
-        throw new IllegalArgumentException();
-    }
-
-    public static WatchManager getWatchManager() {
-        throw new IllegalArgumentException();
-    }
-
-    public static ReplyManager getReplyManager() {
-        throw new IllegalArgumentException();
-    }
-
-    public static DatabaseManager getDatabaseManager() {
-        throw new IllegalArgumentException();
-    }
-
-    public static FileCache getFileCache() {
-        return fileCache;
-    }
-
    public static ChanGraph getGraph() {
        return instance.graph;
    }
@ -119,29 +71,14 @@ public class Chan extends Application implements UserAgentProvider {
        final long startTime = Time.startTiming();

        AndroidUtils.init();
+
+        userAgent = createUserAgent();
        graph = DaggerChanGraph.builder()
                .appModule(new AppModule(this, this))
                .build();

        graph.inject(this);

-        userAgent = createUserAgent();
-
-        File cacheDir = getExternalCacheDir() != null ? getExternalCacheDir() : getCacheDir();
-
-        volleyRequestQueue = Volley.newRequestQueue(this, userAgent, new ProxiedHurlStack(userAgent), new File(cacheDir, Volley.DEFAULT_CACHE_DIR), VOLLEY_CACHE_SIZE);
-
-        final int runtimeMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
-        final int lruImageCacheSize = runtimeMemory / 8;
-
-        imageLoader = new ImageLoader(volleyRequestQueue, new BitmapLruImageCache(lruImageCacheSize));
-
-        fileCache = new FileCache(new File(cacheDir, FILE_CACHE_NAME), FILE_CACHE_DISK_SIZE, getUserAgent());
-
-//        sDatabaseManager = new DatabaseManager(this);
-//        boardManager = new BoardManager(null);
-//        watchManager = new WatchManager(null);
-
        Time.endTiming("Initializing application", startTime);

        // Start watching for slow disk reads and writes after the heavy initializing is done
--- a/Clover/app/src/main/java/org/floens/chan/chan/ChanHelper.java
+++ b/Clover/app/src/main/java/org/floens/chan/chan/ChanHelper.java
@ -21,6 +21,7 @@ import android.net.Uri;

 import org.floens.chan.Chan;
 import org.floens.chan.core.database.DatabaseLoadableManager;
+import org.floens.chan.core.database.DatabaseManager;
 import org.floens.chan.core.manager.BoardManager;
 import org.floens.chan.core.model.Board;
 import org.floens.chan.core.model.Loadable;
@ -29,6 +30,8 @@ import org.floens.chan.core.site.Sites;

 import java.util.List;

+import static org.floens.chan.Chan.getGraph;
+
 public class ChanHelper {
    public static Loadable getLoadableFromStartUri(Uri uri) {
        Loadable loadable = null;
@ -40,8 +43,8 @@ public class ChanHelper {

        if (parts.size() > 0) {
            String rawBoard = parts.get(0);
-            BoardManager boardManager = Chan.getBoardManager();
-            DatabaseLoadableManager loadableManager = Chan.getDatabaseManager().getDatabaseLoadableManager();
+            DatabaseManager databaseManager = getGraph().getDatabaseManager();
+            DatabaseLoadableManager loadableManager = databaseManager.getDatabaseLoadableManager();
            Board board = site.board(rawBoard);
            if (board != null) {
                if (parts.size() == 1 || (parts.size() == 2 && "catalog".equals(parts.get(1)))) {
--- a/Clover/app/src/main/java/org/floens/chan/chan/ChanLoader.java
+++ b/Clover/app/src/main/java/org/floens/chan/chan/ChanLoader.java
@ -23,7 +23,6 @@ import com.android.volley.RequestQueue;
 import com.android.volley.Response;
 import com.android.volley.VolleyError;

-import org.floens.chan.Chan;
 import org.floens.chan.core.exception.ChanLoaderException;
 import org.floens.chan.core.model.ChanThread;
 import org.floens.chan.core.model.Loadable;
@ -41,15 +40,21 @@ import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ScheduledFuture;
 import java.util.concurrent.TimeUnit;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
+
 public class ChanLoader implements Response.ErrorListener, Response.Listener<ChanReaderRequest.ChanReaderResponse> {
    private static final String TAG = "ChanLoader";
    private static final ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();

    private static final int[] watchTimeouts = {10, 15, 20, 30, 60, 90, 120, 180, 240, 300, 600, 1800, 3600};

+    @Inject
+    RequestQueue volleyRequestQueue;
+
    private final List<ChanLoaderCallback> listeners = new ArrayList<>();
    private final Loadable loadable;
-    private final RequestQueue volleyRequestQueue;
    private ChanThread thread;

    private ChanReaderRequest request;
@ -62,11 +67,11 @@ public class ChanLoader implements Response.ErrorListener, Response.Listener<Cha
    public ChanLoader(Loadable loadable) {
        this.loadable = loadable;

+        getGraph().inject(this);
+
        if (loadable.mode == Loadable.Mode.BOARD) {
            loadable.mode = Loadable.Mode.CATALOG;
        }
-
-        volleyRequestQueue = Chan.getVolleyRequestQueue();
    }

    /**
--- a/Clover/app/src/main/java/org/floens/chan/core/di/AppModule.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/di/AppModule.java
@ -2,7 +2,10 @@ package org.floens.chan.core.di;

 import android.content.Context;

-import org.floens.chan.core.UserAgentProvider;
+import com.android.volley.RequestQueue;
+import com.android.volley.toolbox.ImageLoader;
+
+import org.floens.chan.core.net.BitmapLruImageCache;

 import javax.inject.Singleton;

@ -30,4 +33,12 @@ public class AppModule {
    public UserAgentProvider provideUserAgentProvider() {
        return userAgentProvider;
    }
+
+    @Provides
+    @Singleton
+    public ImageLoader provideImageLoader(RequestQueue requestQueue) {
+        final int runtimeMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
+        final int lruImageCacheSize = runtimeMemory / 8;
+        return new ImageLoader(requestQueue, new BitmapLruImageCache(lruImageCacheSize));
+    }
 }
--- a/Clover/app/src/main/java/org/floens/chan/core/di/ChanGraph.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/di/ChanGraph.java
@ -1,22 +1,65 @@
 package org.floens.chan.core.di;

+import com.android.volley.RequestQueue;
+import com.android.volley.toolbox.ImageLoader;
+
 import org.floens.chan.Chan;
+import org.floens.chan.chan.ChanLoader;
 import org.floens.chan.chan.ChanParser;
+import org.floens.chan.core.cache.FileCache;
+import org.floens.chan.core.database.DatabaseManager;
+import org.floens.chan.core.http.ReplyManager;
+import org.floens.chan.core.manager.BoardManager;
+import org.floens.chan.core.manager.FilterEngine;
 import org.floens.chan.core.net.ChanReaderRequest;
+import org.floens.chan.core.presenter.ImageViewerPresenter;
 import org.floens.chan.core.presenter.ReplyPresenter;
+import org.floens.chan.core.presenter.ThreadPresenter;
+import org.floens.chan.core.receiver.WatchUpdateReceiver;
+import org.floens.chan.core.saver.ImageSaveTask;
+import org.floens.chan.ui.activity.StartActivity;
+import org.floens.chan.ui.adapter.DrawerAdapter;
+import org.floens.chan.ui.adapter.PostsFilter;
+import org.floens.chan.ui.controller.BoardEditController;
+import org.floens.chan.ui.controller.BrowseController;
 import org.floens.chan.ui.controller.DeveloperSettingsController;
+import org.floens.chan.ui.controller.DrawerController;
+import org.floens.chan.ui.controller.FiltersController;
+import org.floens.chan.ui.controller.HistoryController;
+import org.floens.chan.ui.controller.ImageViewerController;
 import org.floens.chan.ui.controller.MainSettingsController;
+import org.floens.chan.ui.controller.PassSettingsController;
+import org.floens.chan.ui.controller.ViewThreadController;
+import org.floens.chan.ui.helper.ImagePickDelegate;
+import org.floens.chan.ui.layout.FilterLayout;
 import org.floens.chan.ui.layout.ThreadLayout;
+import org.floens.chan.ui.service.WatchNotifier;
+import org.floens.chan.ui.view.MultiImageView;

 import javax.inject.Singleton;

 import dagger.Component;

@Component(modules = {
-        AppModule.class
+        AppModule.class,
+        NetModule.class
 })
@Singleton
 public interface ChanGraph {
+    ChanParser getChanParser();
+
+    BoardManager getBoardManager();
+
+    DatabaseManager getDatabaseManager();
+
+    ReplyManager getReplyManager();
+
+    RequestQueue getRequestQueue();
+
+    ImageLoader getImageLoader();
+
+    FileCache getFileCache();
+
    void inject(Chan chan);

    void inject(MainSettingsController mainSettingsController);
@ -29,5 +72,45 @@ public interface ChanGraph {

    void inject(DeveloperSettingsController developerSettingsController);

-    ChanParser getChanParser();
+    void inject(StartActivity startActivity);
+
+    void inject(ThreadPresenter threadPresenter);
+
+    void inject(BoardEditController boardEditController);
+
+    void inject(FilterEngine filterEngine);
+
+    void inject(BrowseController browseController);
+
+    void inject(FilterLayout filterLayout);
+
+    void inject(HistoryController historyController);
+
+    void inject(DrawerController drawerController);
+
+    void inject(DrawerAdapter drawerAdapter);
+
+    void inject(WatchNotifier watchNotifier);
+
+    void inject(WatchUpdateReceiver watchUpdateReceiver);
+
+    void inject(ImagePickDelegate imagePickDelegate);
+
+    void inject(PassSettingsController passSettingsController);
+
+    void inject(FiltersController filtersController);
+
+    void inject(PostsFilter postsFilter);
+
+    void inject(ChanLoader chanLoader);
+
+    void inject(ImageViewerController imageViewerController);
+
+    void inject(ImageViewerPresenter imageViewerPresenter);
+
+    void inject(MultiImageView multiImageView);
+
+    void inject(ImageSaveTask imageSaveTask);
+
+    void inject(ViewThreadController viewThreadController);
 }
--- a/Clover/app/src/main/java/org/floens/chan/core/di/NetModule.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/di/NetModule.java
@ -0,0 +1,45 @@
+package org.floens.chan.core.di;
+
+import android.content.Context;
+
+import com.android.volley.RequestQueue;
+import com.android.volley.toolbox.Volley;
+
+import org.floens.chan.core.cache.FileCache;
+import org.floens.chan.core.net.ProxiedHurlStack;
+
+import java.io.File;
+
+import javax.inject.Singleton;
+
+import dagger.Module;
+import dagger.Provides;
+
+@Module
+public class NetModule {
+    private static final int VOLLEY_CACHE_SIZE = 10 * 1024 * 1024;
+    private static final long FILE_CACHE_DISK_SIZE = 50 * 1024 * 1024;
+    private static final String FILE_CACHE_NAME = "filecache";
+
+    @Provides
+    @Singleton
+    public RequestQueue provideRequestQueue(Context applicationContext, UserAgentProvider userAgentProvider) {
+        File cacheDir = getCacheDir(applicationContext);
+
+        String userAgent = userAgentProvider.getUserAgent();
+        return Volley.newRequestQueue(applicationContext,
+                userAgent,
+                new ProxiedHurlStack(userAgent),
+                new File(cacheDir, Volley.DEFAULT_CACHE_DIR), VOLLEY_CACHE_SIZE);
+    }
+
+    @Provides
+    @Singleton
+    public FileCache provideFileCache(Context applicationContext, UserAgentProvider userAgentProvider) {
+        return new FileCache(new File(getCacheDir(applicationContext), FILE_CACHE_NAME), FILE_CACHE_DISK_SIZE, userAgentProvider.getUserAgent());
+    }
+
+    private File getCacheDir(Context applicationContext) {
+        return applicationContext.getExternalCacheDir() != null ? applicationContext.getExternalCacheDir() : applicationContext.getCacheDir();
+    }
+}
--- a/Clover/app/src/main/java/org/floens/chan/core/di/UserAgentProvider.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/di/UserAgentProvider.java
@ -1,4 +1,4 @@
-package org.floens.chan.core;
+package org.floens.chan.core.di;

 public interface UserAgentProvider {
    String getUserAgent();
--- a/Clover/app/src/main/java/org/floens/chan/core/http/ReplyManager.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/http/ReplyManager.java
@ -19,7 +19,7 @@ package org.floens.chan.core.http;

 import android.content.Context;

-import org.floens.chan.core.UserAgentProvider;
+import org.floens.chan.core.di.UserAgentProvider;
 import org.floens.chan.core.model.Loadable;
 import org.floens.chan.core.model.Reply;

--- a/Clover/app/src/main/java/org/floens/chan/core/manager/FilterEngine.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/manager/FilterEngine.java
@ -36,6 +36,10 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.regex.PatternSyntaxException;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
+
 public class FilterEngine {
    private static final String TAG = "FilterEngine";

@ -71,14 +75,19 @@ public class FilterEngine {

    private final Map<String, Pattern> patternCache = new HashMap<>();

-    private final DatabaseManager databaseManager;
+    @Inject
+    DatabaseManager databaseManager;
+
+    @Inject
+    BoardManager boardManager;
+
    private final DatabaseFilterManager databaseFilterManager;

    private List<Filter> filters;
    private final List<Filter> enabledFilters = new ArrayList<>();

    private FilterEngine() {
-        databaseManager = Chan.getDatabaseManager();
+        getGraph().inject(this);
        databaseFilterManager = databaseManager.getDatabaseFilterManager();
        update();
    }
@ -222,11 +231,11 @@ public class FilterEngine {

    public List<Board> getBoardsForFilter(Filter filter) {
        if (filter.allBoards) {
-            return Chan.getBoardManager().getSavedBoards();
+            return boardManager.getSavedBoards();
        } else if (!TextUtils.isEmpty(filter.boards)) {
            List<Board> appliedBoards = new ArrayList<>();
            for (String value : filter.boards.split(",")) {
-                Board boardByValue = Chan.getBoardManager().getBoardByCode(value);
+                Board boardByValue = boardManager.getBoardByCode(value);
                if (boardByValue != null) {
                    appliedBoards.add(boardByValue);
                }
--- a/Clover/app/src/main/java/org/floens/chan/core/manager/WatchManager.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/manager/WatchManager.java
@ -291,6 +291,14 @@ public class WatchManager {
        }
    }

+    public void onEvent(ChanSettings.SettingChanged<Boolean> settingChanged) {
+        if (settingChanged.setting == ChanSettings.watchBackground) {
+            onBackgroundWatchingChanged(ChanSettings.watchBackground.get());
+        } else if (settingChanged.setting == ChanSettings.watchEnabled) {
+            onWatchEnabledChanged(ChanSettings.watchEnabled.get());
+        }
+    }
+
    // Called when the broadcast scheduled by the alarmmanager was received
    public void onBroadcastReceived() {
        if (currentInterval != IntervalType.BACKGROUND) {
@ -366,8 +374,12 @@ public class WatchManager {
        }
    }

+    public PinWatcher getPinWatcher(Pin pin) {
+        return pinWatchers.get(pin);
+    }
+
    // Called when the user changes the watch enabled preference
-    public void onWatchEnabledChanged(boolean watchEnabled) {
+    private void onWatchEnabledChanged(boolean watchEnabled) {
        updateState(watchEnabled, isBackgroundWatchingSettingEnabled());
        List<Pin> pins = getAllPins();
        for (int i = 0; i < pins.size(); i++) {
@ -377,7 +389,7 @@ public class WatchManager {
    }

    // Called when the user changes the watch background enabled preference
-    public void onBackgroundWatchingChanged(boolean backgroundEnabled) {
+    private void onBackgroundWatchingChanged(boolean backgroundEnabled) {
        updateState(isTimerEnabled(), backgroundEnabled);
        List<Pin> pins = getAllPins();
        for (int i = 0; i < pins.size(); i++) {
@ -386,10 +398,6 @@ public class WatchManager {
        }
    }

-    public PinWatcher getPinWatcher(Pin pin) {
-        return pinWatchers.get(pin);
-    }
-
    private void applyOrder() {
        Collections.sort(pins, SORT_PINS);
        for (int i = 0; i < pins.size(); i++) {
--- a/Clover/app/src/main/java/org/floens/chan/core/net/ChanReaderRequest.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/net/ChanReaderRequest.java
@ -40,6 +40,8 @@ import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.Future;

+import javax.inject.Inject;
+
 import static org.floens.chan.Chan.getGraph;

 /**
@ -52,13 +54,14 @@ public class ChanReaderRequest extends JsonReaderRequest<ChanReaderRequest.ChanR
    private static final boolean LOG_TIMING = false;

    private static final int THREAD_COUNT;
-    private static ExecutorService EXECUTOR;
+    private static final ExecutorService EXECUTOR;

    static {
        THREAD_COUNT = Runtime.getRuntime().availableProcessors();
        EXECUTOR = Executors.newFixedThreadPool(THREAD_COUNT);
    }

+    @Inject
    DatabaseManager databaseManager;

    private Loadable loadable;
--- a/Clover/app/src/main/java/org/floens/chan/core/presenter/ImageViewerPresenter.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/presenter/ImageViewerPresenter.java
@ -20,7 +20,7 @@ package org.floens.chan.core.presenter;
 import android.net.ConnectivityManager;
 import android.support.v4.view.ViewPager;

-import org.floens.chan.Chan;
+import org.floens.chan.core.cache.FileCache;
 import org.floens.chan.core.model.Loadable;
 import org.floens.chan.core.model.PostImage;
 import org.floens.chan.core.settings.ChanSettings;
@ -29,6 +29,9 @@ import org.floens.chan.ui.view.MultiImageView;
 import java.util.ArrayList;
 import java.util.List;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.utils.AndroidUtils.isConnected;

 public class ImageViewerPresenter implements MultiImageView.Callback, ViewPager.OnPageChangeListener {
@ -36,6 +39,9 @@ public class ImageViewerPresenter implements MultiImageView.Callback, ViewPager.

    private final Callback callback;

+    @Inject
+    FileCache fileCache;
+
    private boolean entering = true;
    private boolean exiting = false;
    private List<PostImage> images;
@ -49,6 +55,7 @@ public class ImageViewerPresenter implements MultiImageView.Callback, ViewPager.

    public ImageViewerPresenter(Callback callback) {
        this.callback = callback;
+        getGraph().inject(this);
    }

    public void showImages(List<PostImage> images, int position, Loadable loadable) {
@ -264,7 +271,7 @@ public class ImageViewerPresenter implements MultiImageView.Callback, ViewPager.

    private boolean imageAutoLoad(PostImage postImage) {
        // Auto load the image when it is cached
-        return Chan.getFileCache().exists(postImage.imageUrl) || shouldLoadForNetworkType(ChanSettings.imageAutoLoadNetwork.get());
+        return fileCache.exists(postImage.imageUrl) || shouldLoadForNetworkType(ChanSettings.imageAutoLoadNetwork.get());
    }

    private boolean videoAutoLoad(PostImage postImage) {
--- a/Clover/app/src/main/java/org/floens/chan/core/presenter/ThreadPresenter.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/presenter/ThreadPresenter.java
@ -54,6 +54,9 @@ import org.floens.chan.utils.AndroidUtils;
 import java.util.ArrayList;
 import java.util.List;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.utils.AndroidUtils.getString;

 public class ThreadPresenter implements ChanLoader.ChanLoaderCallback, PostAdapter.PostAdapterCallback, PostCellInterface.PostCellCallback, ThreadStatusCell.Callback, ThreadListLayout.ThreadListLayoutPresenterCallback {
@ -73,10 +76,14 @@ public class ThreadPresenter implements ChanLoader.ChanLoaderCallback, PostAdapt
    private static final int POST_OPTION_OPEN_BROWSER = 13;
    private static final int POST_OPTION_FILTER_TRIPCODE = 14;

-    private WatchManager watchManager;
-    private DatabaseManager databaseManager;
-    private ReplyManager replyManager;
-    private BoardManager boardManager;
+    @Inject
+    WatchManager watchManager;
+
+    @Inject
+    DatabaseManager databaseManager;
+
+    @Inject
+    ReplyManager replyManager;

    private ThreadPresenterCallback threadPresenterCallback;

@ -90,10 +97,7 @@ public class ThreadPresenter implements ChanLoader.ChanLoaderCallback, PostAdapt
    public ThreadPresenter(ThreadPresenterCallback threadPresenterCallback) {
        this.threadPresenterCallback = threadPresenterCallback;

-        watchManager = Chan.getWatchManager();
-        databaseManager = Chan.getDatabaseManager();
-        replyManager = Chan.getReplyManager();
-        boardManager = Chan.getBoardManager();
+        getGraph().inject(this);
    }

    public void bindLoadable(Loadable loadable) {
--- a/Clover/app/src/main/java/org/floens/chan/core/receiver/WatchUpdateReceiver.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/receiver/WatchUpdateReceiver.java
@ -25,13 +25,18 @@ import org.floens.chan.Chan;
 import org.floens.chan.core.manager.WatchManager;
 import org.floens.chan.utils.Logger;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
+
 public class WatchUpdateReceiver extends BroadcastReceiver {
    private static final String TAG = "WatchUpdateReceiver";

-    private final WatchManager watchManager;
+    @Inject
+    WatchManager watchManager;

    public WatchUpdateReceiver() {
-        watchManager = Chan.getWatchManager();
+        getGraph().inject(this);
    }

    @Override
--- a/Clover/app/src/main/java/org/floens/chan/core/saver/ImageSaveTask.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/saver/ImageSaveTask.java
@ -22,7 +22,6 @@ import android.graphics.Bitmap;
 import android.media.MediaScannerConnection;
 import android.net.Uri;

-import org.floens.chan.Chan;
 import org.floens.chan.core.cache.FileCache;
 import org.floens.chan.core.model.PostImage;
 import org.floens.chan.utils.AndroidUtils;
@ -37,12 +36,18 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.utils.AndroidUtils.dp;
 import static org.floens.chan.utils.AndroidUtils.getAppContext;

 public class ImageSaveTask implements Runnable, FileCache.DownloadedCallback {
    private static final String TAG = "ImageSaveTask";

+    @Inject
+    FileCache fileCache;
+
    private PostImage postImage;
    private ImageSaveTaskCallback callback;
    private File destination;
@ -54,6 +59,11 @@ public class ImageSaveTask implements Runnable, FileCache.DownloadedCallback {

    private boolean success = false;

+    public ImageSaveTask(PostImage postImage) {
+        getGraph().inject(this);
+        this.postImage = postImage;
+    }
+
    public void setSubFolder(String boardName) {
        this.subFolder = boardName;
    }
@ -62,10 +72,6 @@ public class ImageSaveTask implements Runnable, FileCache.DownloadedCallback {
        return subFolder;
    }

-    public ImageSaveTask(PostImage postImage) {
-        this.postImage = postImage;
-    }
-
    public void setCallback(ImageSaveTaskCallback callback) {
        this.callback = callback;
    }
@ -112,7 +118,7 @@ public class ImageSaveTask implements Runnable, FileCache.DownloadedCallback {
            if (destination.exists()) {
                onDestination();
            } else {
-                FileCache.FileCacheDownloader fileCacheDownloader = Chan.getFileCache().downloadFile(postImage.imageUrl, this);
+                FileCache.FileCacheDownloader fileCacheDownloader = fileCache.downloadFile(postImage.imageUrl, this);
                // If the fileCacheDownloader is null then the destination already existed and onSuccess() has been called.
                // Wait otherwise for the download to finish to avoid that the next task is immediately executed.
                if (fileCacheDownloader != null) {
--- a/Clover/app/src/main/java/org/floens/chan/core/settings/ChanSettings.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/settings/ChanSettings.java
@ -21,7 +21,6 @@ import android.content.SharedPreferences;
 import android.os.Environment;
 import android.text.TextUtils;

-import org.floens.chan.Chan;
 import org.floens.chan.R;
 import org.floens.chan.core.manager.WatchManager;
 import org.floens.chan.ui.adapter.PostsFilter;
@ -235,7 +234,7 @@ public class ChanSettings {
        watchEnabled.addCallback(new Setting.SettingCallback<Boolean>() {
            @Override
            public void onValueChange(Setting setting, Boolean value) {
-                Chan.getWatchManager().onWatchEnabledChanged(value);
+                EventBus.getDefault().post(new SettingChanged<>(watchEnabled));
            }
        });
        watchCountdown = new BooleanSetting(p, "preference_watch_countdown", false);
@ -243,7 +242,7 @@ public class ChanSettings {
        watchBackground.addCallback(new Setting.SettingCallback<Boolean>() {
            @Override
            public void onValueChange(Setting setting, Boolean value) {
-                Chan.getWatchManager().onBackgroundWatchingChanged(value);
+                EventBus.getDefault().post(new SettingChanged<>(watchBackground));
            }
        });
        watchBackgroundInterval = new IntegerSetting(p, "preference_watch_background_interval", WatchManager.DEFAULT_BACKGROUND_INTERVAL);
--- a/Clover/app/src/main/java/org/floens/chan/core/site/sites/chan4/Chan4.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/site/sites/chan4/Chan4.java
@ -3,7 +3,6 @@ package org.floens.chan.core.site.sites.chan4;
 import com.android.volley.Response;
 import com.android.volley.VolleyError;

-import org.floens.chan.Chan;
 import org.floens.chan.core.model.Board;
 import org.floens.chan.core.model.Loadable;
 import org.floens.chan.core.model.Post;
@ -18,6 +17,8 @@ import java.util.List;
 import java.util.Locale;
 import java.util.Random;

+import static org.floens.chan.Chan.getGraph;
+
 public class Chan4 implements Site {
    private static final String TAG = "Chan4";

@ -124,7 +125,7 @@ public class Chan4 implements Site {

    @Override
    public Board board(String name) {
-        List<Board> allBoards = Chan.getBoardManager().getAllBoards();
+        List<Board> allBoards = getGraph().getBoardManager().getAllBoards();
        for (Board board : allBoards) {
            if (board.code.equals(name)) {
                return board;
@ -141,7 +142,7 @@ public class Chan4 implements Site {

    @Override
    public void boards(final BoardsListener listener) {
-        Chan.getVolleyRequestQueue().add(new Chan4BoardsRequest(this, new Response.Listener<List<Board>>() {
+        getGraph().getRequestQueue().add(new Chan4BoardsRequest(this, new Response.Listener<List<Board>>() {
            @Override
            public void onResponse(List<Board> response) {
                listener.onBoardsReceived(new Boards(response));
--- a/Clover/app/src/main/java/org/floens/chan/ui/activity/StartActivity.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/activity/StartActivity.java
@ -38,7 +38,9 @@ import org.floens.chan.chan.ChanHelper;
 import org.floens.chan.controller.Controller;
 import org.floens.chan.controller.NavigationController;
 import org.floens.chan.core.database.DatabaseLoadableManager;
+import org.floens.chan.core.database.DatabaseManager;
 import org.floens.chan.core.manager.BoardManager;
+import org.floens.chan.core.manager.WatchManager;
 import org.floens.chan.core.model.Board;
 import org.floens.chan.core.model.Loadable;
 import org.floens.chan.core.model.Pin;
@ -61,6 +63,10 @@ import org.floens.chan.utils.Logger;
 import java.util.ArrayList;
 import java.util.List;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
+
 public class StartActivity extends AppCompatActivity implements NfcAdapter.CreateNdefMessageCallback {
    private static final String TAG = "StartActivity";

@ -69,7 +75,6 @@ public class StartActivity extends AppCompatActivity implements NfcAdapter.Creat
    private ViewGroup contentView;
    private List<Controller> stack = new ArrayList<>();

-    private final BoardManager boardManager;
    private DrawerController drawerController;
    private NavigationController mainNavigationController;
    private BrowseController browseController;
@ -77,13 +82,19 @@ public class StartActivity extends AppCompatActivity implements NfcAdapter.Creat
    private ImagePickDelegate imagePickDelegate;
    private RuntimePermissionsHelper runtimePermissionsHelper;

-    public StartActivity() {
-        boardManager = Chan.getBoardManager();
-    }
+    @Inject
+    DatabaseManager databaseManager;
+
+    @Inject
+    BoardManager boardManager;
+
+    @Inject
+    WatchManager watchManager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
+        getGraph().inject(this);

        ThemeHelper.getInstance().setupContext(this);

@ -118,7 +129,7 @@ public class StartActivity extends AppCompatActivity implements NfcAdapter.Creat
            if (chanState == null) {
                Logger.w(TAG, "savedInstanceState was not null, but no ChanState was found!");
            } else {
-                DatabaseLoadableManager loadableManager = Chan.getDatabaseManager().getDatabaseLoadableManager();
+                DatabaseLoadableManager loadableManager = databaseManager.getDatabaseLoadableManager();
                chanState.board = loadableManager.get(chanState.board);
                chanState.thread = loadableManager.get(chanState.thread);

@ -220,7 +231,7 @@ public class StartActivity extends AppCompatActivity implements NfcAdapter.Creat
                if (pinId == -1) {
                    drawerController.onMenuClicked();
                } else {
-                    Pin pin = Chan.getWatchManager().findPinById(pinId);
+                    Pin pin = watchManager.findPinById(pinId);
                    if (pin != null) {
                        browseController.showThread(pin.loadable, false);
                    }
--- a/Clover/app/src/main/java/org/floens/chan/ui/adapter/DrawerAdapter.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/adapter/DrawerAdapter.java
@ -41,6 +41,9 @@ import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.ui.theme.ThemeHelper.theme;
 import static org.floens.chan.utils.AndroidUtils.ROBOTO_MEDIUM;
 import static org.floens.chan.utils.AndroidUtils.dp;
@ -68,13 +71,15 @@ public class DrawerAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder>
        }
    };

-    private final WatchManager watchManager;
+    @Inject
+    WatchManager watchManager;
+
    private final Callback callback;
    private List<Pin> pins = new ArrayList<>();
    private Pin highlighted;

    public DrawerAdapter(Callback callback) {
-        watchManager = Chan.getWatchManager();
+        getGraph().inject(this);
        this.callback = callback;
        setHasStableIds(true);
    }
--- a/Clover/app/src/main/java/org/floens/chan/ui/adapter/PostsFilter.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/adapter/PostsFilter.java
@ -30,6 +30,10 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Locale;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
+
 public class PostsFilter {
    public static final Comparator<Post> IMAGE_COMPARATOR = new Comparator<Post>() {
        @Override
@ -59,7 +63,8 @@ public class PostsFilter {
        }
    };

-    private final DatabaseManager databaseManager;
+    @Inject
+    DatabaseManager databaseManager;

    private Order order;
    private String query;
@ -67,7 +72,7 @@ public class PostsFilter {
    public PostsFilter(Order order, String query) {
        this.order = order;
        this.query = query;
-        databaseManager = Chan.getDatabaseManager();
+        getGraph().inject(this);
    }

    /**
--- a/Clover/app/src/main/java/org/floens/chan/ui/cell/PostCell.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/cell/PostCell.java
@ -76,6 +76,7 @@ import java.util.ArrayList;
 import java.util.List;

 import static android.text.TextUtils.isEmpty;
+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.utils.AndroidUtils.ROBOTO_CONDENSED_REGULAR;
 import static org.floens.chan.utils.AndroidUtils.dp;
 import static org.floens.chan.utils.AndroidUtils.getString;
@ -673,7 +674,7 @@ public class PostCell extends LinearLayout implements PostCellInterface {
            countryTextColor = theme.detailsColor;
            countryTextSize = textSize;

-            countryIconRequest = Chan.getVolleyImageLoader().get(post.countryUrl, new ImageLoader.ImageListener() {
+            countryIconRequest = getGraph().getImageLoader().get(post.countryUrl, new ImageLoader.ImageListener() {
                @Override
                public void onResponse(ImageLoader.ImageContainer response, boolean isImmediate) {
                    if (response.getBitmap() != null) {
--- a/Clover/app/src/main/java/org/floens/chan/ui/cell/ThreadStatusCell.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/cell/ThreadStatusCell.java
@ -122,7 +122,7 @@ public class ThreadStatusCell extends LinearLayout implements View.OnClickListen

            Post op = chanThread.op;

-            Board board = Chan.getBoardManager().getBoardByCode(chanThread.loadable.boardCode);
+            Board board = op.board;
            if (board != null) {
                SpannableString replies = new SpannableString(op.replies + "R");
                if (op.replies >= board.bumpLimit) {
--- a/Clover/app/src/main/java/org/floens/chan/ui/controller/BoardEditController.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/controller/BoardEditController.java
@ -58,6 +58,9 @@ import java.util.Comparator;
 import java.util.List;
 import java.util.Locale;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.ui.theme.ThemeHelper.theme;
 import static org.floens.chan.utils.AndroidUtils.dp;
 import static org.floens.chan.utils.AndroidUtils.fixSnackbarText;
@ -66,7 +69,8 @@ import static org.floens.chan.utils.AndroidUtils.getString;
 public class BoardEditController extends Controller implements View.OnClickListener, ToolbarMenuItem.ToolbarMenuItemCallback {
    private static final int OPTION_SORT_A_Z = 1;

-    private final BoardManager boardManager = Chan.getBoardManager();
+    @Inject
+    BoardManager boardManager;

    private RecyclerView recyclerView;
    private BoardEditAdapter adapter;
@ -82,6 +86,7 @@ public class BoardEditController extends Controller implements View.OnClickListe
    @Override
    public void onCreate() {
        super.onCreate();
+        getGraph().inject(this);

        navigationItem.setTitle(R.string.board_edit);

@ -239,7 +244,7 @@ public class BoardEditController extends Controller implements View.OnClickListe
        }

        // Normal add
-        List<Board> all = Chan.getBoardManager().getAllBoards();
+        List<Board> all = boardManager.getAllBoards();
        for (Board board : all) {
            if (board.code.equals(value)) {
                board.saved = true;
--- a/Clover/app/src/main/java/org/floens/chan/ui/controller/BrowseController.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/controller/BrowseController.java
@ -49,6 +49,9 @@ import org.floens.chan.utils.AndroidUtils;
 import java.util.ArrayList;
 import java.util.List;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.utils.AndroidUtils.getString;

 public class BrowseController extends ThreadController implements ToolbarMenuItem.ToolbarMenuItemCallback, ThreadLayout.ThreadLayoutCallback, FloatingMenu.FloatingMenuCallback {
@ -60,7 +63,11 @@ public class BrowseController extends ThreadController implements ToolbarMenuIte
    private static final int ORDER_ID = 105;
    private static final int OPEN_BROWSER_ID = 106;

-    private final DatabaseManager databaseManager;
+    @Inject
+    DatabaseManager databaseManager;
+
+    @Inject
+    BoardManager boardManager;

    private ChanSettings.PostViewMode postViewMode;
    private PostsFilter.Order order;
@ -75,12 +82,12 @@ public class BrowseController extends ThreadController implements ToolbarMenuIte

    public BrowseController(Context context) {
        super(context);
-        databaseManager = Chan.getDatabaseManager();
    }

    @Override
    public void onCreate() {
        super.onCreate();
+        getGraph().inject(this);

        postViewMode = ChanSettings.boardViewMode.get();
        order = PostsFilter.Order.find(ChanSettings.boardOrder.get());
@ -303,7 +310,6 @@ public class BrowseController extends ThreadController implements ToolbarMenuIte
    }

    public void loadDefault() {
-        BoardManager boardManager = Chan.getBoardManager();
        List<Board> savedBoards = boardManager.getSavedBoards();
        if (!savedBoards.isEmpty()) {
            loadBoard(savedBoards.get(0));
@ -334,7 +340,7 @@ public class BrowseController extends ThreadController implements ToolbarMenuIte
     * board change event.
     */
    private void loadBoards() {
-        List<Board> boards = Chan.getBoardManager().getSavedBoards();
+        List<Board> boards = boardManager.getSavedBoards();

        if (boards.isEmpty()) {
            if (waitingForBoardsDialog == null) {
--- a/Clover/app/src/main/java/org/floens/chan/ui/controller/DrawerController.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/controller/DrawerController.java
@ -46,16 +46,17 @@ import org.floens.chan.utils.AndroidUtils;

 import java.util.List;

+import javax.inject.Inject;
+
 import de.greenrobot.event.EventBus;

+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.ui.theme.ThemeHelper.theme;
 import static org.floens.chan.utils.AndroidUtils.ROBOTO_MEDIUM;
 import static org.floens.chan.utils.AndroidUtils.dp;
 import static org.floens.chan.utils.AndroidUtils.fixSnackbarText;

 public class DrawerController extends Controller implements DrawerAdapter.Callback, View.OnClickListener {
-    private WatchManager watchManager;
-
    protected FrameLayout container;
    protected DrawerLayout drawerLayout;
    protected LinearLayout drawer;
@ -63,6 +64,9 @@ public class DrawerController extends Controller implements DrawerAdapter.Callba
    protected LinearLayout settings;
    protected DrawerAdapter drawerAdapter;

+    @Inject
+    WatchManager watchManager;
+
    public DrawerController(Context context) {
        super(context);
    }
@ -70,8 +74,7 @@ public class DrawerController extends Controller implements DrawerAdapter.Callba
    @Override
    public void onCreate() {
        super.onCreate();
-
-        watchManager = Chan.getWatchManager();
+        getGraph().inject(this);

        EventBus.getDefault().register(this);

@ -207,7 +210,7 @@ public class DrawerController extends Controller implements DrawerAdapter.Callba

                        if (!TextUtils.isEmpty(value)) {
                            pin.loadable.title = value;
-                            Chan.getWatchManager().updatePin(pin);
+                            watchManager.updatePin(pin);
                        }
                    }
                })
--- a/Clover/app/src/main/java/org/floens/chan/ui/controller/FiltersController.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/controller/FiltersController.java
@ -47,8 +47,11 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;

+import javax.inject.Inject;
+
 import de.greenrobot.event.EventBus;

+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.ui.theme.ThemeHelper.theme;
 import static org.floens.chan.utils.AndroidUtils.getAttrColor;
 import static org.floens.chan.utils.AndroidUtils.getString;
@ -57,8 +60,11 @@ public class FiltersController extends Controller implements ToolbarMenuItem.Too
    private static final int SEARCH_ID = 1;
    private static final int CLEAR_ID = 101;

+    @Inject
+    DatabaseManager databaseManager;
+
    private FilterEngine filterEngine;
-    private DatabaseManager databaseManager;
+
    private RecyclerView recyclerView;
    private FloatingActionButton add;
    private FilterAdapter adapter;
@ -100,9 +106,9 @@ public class FiltersController extends Controller implements ToolbarMenuItem.Too
    @Override
    public void onCreate() {
        super.onCreate();
+        getGraph().inject(this);

        filterEngine = FilterEngine.getInstance();
-        databaseManager = Chan.getDatabaseManager();

        navigationItem.setTitle(R.string.filters_screen);
        navigationItem.menu = new ToolbarMenu(context);
--- a/Clover/app/src/main/java/org/floens/chan/ui/controller/HistoryController.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/controller/HistoryController.java
@ -53,6 +53,9 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.ui.theme.ThemeHelper.theme;
 import static org.floens.chan.utils.AndroidUtils.dp;

@ -61,10 +64,14 @@ public class HistoryController extends Controller implements CompoundButton.OnCh
    private static final int CLEAR_ID = 101;
    private static final int SAVED_REPLY_CLEAR_ID = 102;

-    private DatabaseManager databaseManager;
+    @Inject
+    DatabaseManager databaseManager;
+
+    @Inject
+    BoardManager boardManager;
+
    private DatabaseHistoryManager databaseHistoryManager;
    private DatabaseSavedReplyManager databaseSavedReplyManager;
-    private BoardManager boardManager;

    private CrossfadeView crossfade;
    private RecyclerView recyclerView;
@ -77,11 +84,10 @@ public class HistoryController extends Controller implements CompoundButton.OnCh
    @Override
    public void onCreate() {
        super.onCreate();
+        getGraph().inject(this);

-        databaseManager = Chan.getDatabaseManager();
        databaseHistoryManager = databaseManager.getDatabaseHistoryManager();
        databaseSavedReplyManager = databaseManager.getDatabaseSavedReplyManager();
-        boardManager = Chan.getBoardManager();

        navigationItem.setTitle(R.string.history_screen);
        List<FloatingMenuItem> items = new ArrayList<>();
@ -105,18 +111,13 @@ public class HistoryController extends Controller implements CompoundButton.OnCh

        adapter = new HistoryAdapter();
        recyclerView.setAdapter(adapter);
+        adapter.load();

        if (ChanSettings.historyOpenCounter.increase() == 1) {
            HintPopup.show(context, historyEnabledSwitch, R.string.history_toggle_hint);
        }
    }

-    @Override
-    public void onShow() {
-        super.onShow();
-        adapter.load();
-    }
-
    @Override
    public void onMenuItemClicked(ToolbarMenuItem item) {
        if ((Integer) item.getId() == SEARCH_ID) {
--- a/Clover/app/src/main/java/org/floens/chan/ui/controller/ImageViewerController.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/controller/ImageViewerController.java
@ -45,7 +45,6 @@ import com.android.volley.VolleyError;
 import com.android.volley.toolbox.ImageLoader;
 import com.davemorrissey.labs.subscaleview.ImageViewState;

-import org.floens.chan.Chan;
 import org.floens.chan.R;
 import org.floens.chan.chan.ImageSearch;
 import org.floens.chan.controller.Controller;
@ -72,6 +71,9 @@ import org.floens.chan.utils.Logger;
 import java.util.ArrayList;
 import java.util.List;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.utils.AndroidUtils.dp;
 import static org.floens.chan.utils.AndroidUtils.getString;

@ -87,6 +89,9 @@ public class ImageViewerController extends Controller implements ImageViewerPres
    private static final int SEARCH_ID = 105;
    private static final int SAVE_ALBUM = 106;

+    @Inject
+    ImageLoader imageLoader;
+
    private int statusBarColorPrevious;
    private AnimatorSet startAnimation;
    private AnimatorSet endAnimation;
@ -104,6 +109,8 @@ public class ImageViewerController extends Controller implements ImageViewerPres

    public ImageViewerController(Context context, Toolbar toolbar) {
        super(context);
+        getGraph().inject(this);
+
        this.toolbar = toolbar;

        presenter = new ImageViewerPresenter(this);
@ -366,7 +373,7 @@ public class ImageViewerController extends Controller implements ImageViewerPres
            }
        });

-        Chan.getVolleyImageLoader().get(postImage.thumbnailUrl, new ImageLoader.ImageListener() {
+        imageLoader.get(postImage.thumbnailUrl, new ImageLoader.ImageListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                Log.e(TAG, "onErrorResponse for preview in transition in ImageViewerController, cannot show correct transition bitmap");
@ -388,7 +395,7 @@ public class ImageViewerController extends Controller implements ImageViewerPres
            return;
        }

-        Chan.getVolleyImageLoader().get(postImage.thumbnailUrl, new ImageLoader.ImageListener() {
+        imageLoader.get(postImage.thumbnailUrl, new ImageLoader.ImageListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                Log.e(TAG, "onErrorResponse for preview out transition in ImageViewerController, cannot show correct transition bitmap");
--- a/Clover/app/src/main/java/org/floens/chan/ui/controller/MainSettingsController.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/controller/MainSettingsController.java
@ -87,6 +87,9 @@ public class MainSettingsController extends SettingsController implements Toolba
    @Inject
    DatabaseManager databaseManager;

+    @Inject
+    BoardManager boardManager;
+
    public MainSettingsController(Context context) {
        super(context);
    }
@ -319,7 +322,7 @@ public class MainSettingsController extends SettingsController implements Toolba
        browsing.add(new LinkSettingView(this, R.string.setting_clear_thread_hides, 0, new View.OnClickListener() {
            @Override
            public void onClick(View v) {
-                Chan.getDatabaseManager().clearAllThreadHides();
+                databaseManager.clearAllThreadHides();
                Toast.makeText(context, R.string.setting_cleared_thread_hides, Toast.LENGTH_LONG).show();
                EventBus.getDefault().post(new RefreshUIMessage("clearhides"));
            }
@ -434,7 +437,7 @@ public class MainSettingsController extends SettingsController implements Toolba
    }

    private void updateBoardLinkDescription() {
-        List<Board> savedBoards = Chan.getBoardManager().getSavedBoards();
+        List<Board> savedBoards = boardManager.getSavedBoards();
        boardEditorView.setDescription(context.getResources().getQuantityString(R.plurals.board, savedBoards.size(), savedBoards.size()));
    }

--- a/Clover/app/src/main/java/org/floens/chan/ui/controller/PassSettingsController.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/controller/PassSettingsController.java
@ -36,9 +36,15 @@ import org.floens.chan.ui.view.CrossfadeView;
 import org.floens.chan.utils.AndroidUtils;
 import org.floens.chan.utils.AnimationUtils;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.utils.AndroidUtils.getString;

 public class PassSettingsController extends Controller implements View.OnClickListener, ReplyManager.HttpCallback<PassHttpCall> {
+    @Inject
+    ReplyManager replyManager;
+
    private LinearLayout container;
    private CrossfadeView crossfadeView;
    private TextView errors;
@ -55,6 +61,7 @@ public class PassSettingsController extends Controller implements View.OnClickLi
    @Override
    public void onCreate() {
        super.onCreate();
+        getGraph().inject(this);

        navigationItem.setTitle(R.string.settings_screen_pass);

@ -163,7 +170,7 @@ public class PassSettingsController extends Controller implements View.OnClickLi
        ChanSettings.passToken.set(inputToken.getText().toString());
        ChanSettings.passPin.set(inputPin.getText().toString());

-        Chan.getReplyManager().makeHttpCall(new PassHttpCall(ChanSettings.passToken.get(), ChanSettings.passPin.get()), this);
+        replyManager.makeHttpCall(new PassHttpCall(ChanSettings.passToken.get(), ChanSettings.passPin.get()), this);
    }

    private void showError(String error) {
--- a/Clover/app/src/main/java/org/floens/chan/ui/controller/ViewThreadController.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/controller/ViewThreadController.java
@ -22,7 +22,6 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.support.v7.app.AlertDialog;

-import org.floens.chan.Chan;
 import org.floens.chan.R;
 import org.floens.chan.chan.ChanUrls;
 import org.floens.chan.controller.Controller;
@ -42,6 +41,9 @@ import org.floens.chan.utils.AndroidUtils;
 import java.util.ArrayList;
 import java.util.List;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.utils.AndroidUtils.dp;
 import static org.floens.chan.utils.AndroidUtils.getAttrColor;

@ -56,6 +58,9 @@ public class ViewThreadController extends ThreadController implements ThreadLayo
    private static final int DOWN_ID = 107;
    private static final int OPEN_BROWSER_ID = 108;

+    @Inject
+    WatchManager watchManager;
+
    private ToolbarMenuItem pinItem;
    private ToolbarMenuItem overflowItem;
    private Loadable loadable;
@ -71,6 +76,7 @@ public class ViewThreadController extends ThreadController implements ThreadLayo
    @Override
    public void onCreate() {
        super.onCreate();
+        getGraph().inject(this);

        threadLayout.setPostViewMode(ChanSettings.PostViewMode.LIST);

@ -216,8 +222,7 @@ public class ViewThreadController extends ThreadController implements ThreadLayo
    }

    private void updateDrawerHighlighting(Loadable loadable) {
-        WatchManager wm = Chan.getWatchManager();
-        Pin pin = loadable == null ? null : wm.findPinByLoadable(loadable);
+        Pin pin = loadable == null ? null : watchManager.findPinByLoadable(loadable);

        if (navigationController.parentController instanceof DrawerController) {
            ((DrawerController) navigationController.parentController).setPinHighlighted(pin);
@ -251,8 +256,7 @@ public class ViewThreadController extends ThreadController implements ThreadLayo
    }

    private void setPinIconState() {
-        WatchManager wm = Chan.getWatchManager();
-        setPinIconState(wm.findPinByLoadable(loadable) != null);
+        setPinIconState(watchManager.findPinByLoadable(loadable) != null);
    }

    private void setPinIconState(boolean pinned) {
--- a/Clover/app/src/main/java/org/floens/chan/ui/helper/ImagePickDelegate.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/helper/ImagePickDelegate.java
@ -21,6 +21,7 @@ import android.app.Activity;
 import android.content.Intent;
 import android.database.Cursor;
 import android.net.Uri;
+import android.os.Build;
 import android.os.ParcelFileDescriptor;
 import android.provider.OpenableColumns;

@ -36,6 +37,9 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.utils.AndroidUtils.runOnUiThread;

 public class ImagePickDelegate implements Runnable {
@ -45,7 +49,9 @@ public class ImagePickDelegate implements Runnable {
    private static final long MAX_FILE_SIZE = 15 * 1024 * 1024;
    private static final String DEFAULT_FILE_NAME = "file";

-    private ReplyManager replyManager;
+    @Inject
+    ReplyManager replyManager;
+
    private Activity activity;

    private ImagePickCallback callback;
@ -56,8 +62,7 @@ public class ImagePickDelegate implements Runnable {

    public ImagePickDelegate(Activity activity) {
        this.activity = activity;
-
-        replyManager = Chan.getReplyManager();
+        getGraph().inject(this);
    }

    public boolean pick(ImagePickCallback callback) {
@ -143,7 +148,13 @@ public class ImagePickDelegate implements Runnable {
        } catch (IOException | SecurityException e) {
            Logger.e(TAG, "Error copying file from the file descriptor", e);
        } finally {
-            IOUtils.closeQuietly(fileDescriptor);
+            // FileDescriptor isn't closeable on API 15
+            if (fileDescriptor != null) {
+                try {
+                    fileDescriptor.close();
+                } catch (IOException ignored) {
+                }
+            }
            IOUtils.closeQuietly(is);
            IOUtils.closeQuietly(os);
        }
--- a/Clover/app/src/main/java/org/floens/chan/ui/layout/FilterLayout.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/layout/FilterLayout.java
@ -55,6 +55,9 @@ import org.floens.chan.ui.view.FloatingMenuItem;
 import java.util.ArrayList;
 import java.util.List;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.ui.theme.ThemeHelper.theme;
 import static org.floens.chan.utils.AndroidUtils.dp;
 import static org.floens.chan.utils.AndroidUtils.getAttrColor;
@ -73,7 +76,8 @@ public class FilterLayout extends LinearLayout implements View.OnClickListener {
    private LinearLayout colorContainer;
    private View colorPreview;

-    private BoardManager boardManager;
+    @Inject
+    BoardManager boardManager;

    private FilterLayoutCallback callback;
    private Filter filter;
@ -95,8 +99,7 @@ public class FilterLayout extends LinearLayout implements View.OnClickListener {
    @Override
    protected void onFinishInflate() {
        super.onFinishInflate();
-
-        boardManager = Chan.getBoardManager();
+        getGraph().inject(this);

        typeText = (TextView) findViewById(R.id.type);
        boardsSelector = (TextView) findViewById(R.id.boards);
--- a/Clover/app/src/main/java/org/floens/chan/ui/service/WatchNotifier.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/service/WatchNotifier.java
@ -41,6 +41,10 @@ import java.util.Comparator;
 import java.util.List;
 import java.util.regex.Pattern;

+import javax.inject.Inject;
+
+import static org.floens.chan.Chan.getGraph;
+
 public class WatchNotifier extends Service {
    private static final String TAG = "WatchNotifier";
    private static final int NOTIFICATION_ID = 1;
@ -50,7 +54,9 @@ public class WatchNotifier extends Service {
    private static final Pattern SHORTEN_NO_PATTERN = Pattern.compile(">>\\d+(?=\\d{3})(\\d{3})");

    private NotificationManager nm;
-    private WatchManager wm;
+
+    @Inject
+    WatchManager watchManager;

    @Override
    public IBinder onBind(final Intent intent) {
@ -60,9 +66,9 @@ public class WatchNotifier extends Service {
    @Override
    public void onCreate() {
        super.onCreate();
+        getGraph().inject(this);

        nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
-        wm = Chan.getWatchManager();

        startForeground(NOTIFICATION_ID, createNotification());
    }
@ -89,7 +95,7 @@ public class WatchNotifier extends Service {
    }

    public void pausePins() {
-        wm.pauseAll();
+        watchManager.pauseAll();
    }

    private Notification createNotification() {
@ -105,8 +111,8 @@ public class WatchNotifier extends Service {
        boolean sound = false;
        boolean peek = false;

-        for (Pin pin : wm.getWatchingPins()) {
-            WatchManager.PinWatcher watcher = wm.getPinWatcher(pin);
+        for (Pin pin : watchManager.getWatchingPins()) {
+            WatchManager.PinWatcher watcher = watchManager.getPinWatcher(pin);
            if (watcher == null || pin.isError) {
                continue;
            }
--- a/Clover/app/src/main/java/org/floens/chan/ui/view/MultiImageView.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/view/MultiImageView.java
@ -36,7 +36,6 @@ import com.android.volley.toolbox.ImageLoader;
 import com.android.volley.toolbox.ImageLoader.ImageContainer;
 import com.davemorrissey.labs.subscaleview.ImageSource;

-import org.floens.chan.Chan;
 import org.floens.chan.R;
 import org.floens.chan.core.cache.FileCache;
 import org.floens.chan.core.model.PostImage;
@ -47,9 +46,13 @@ import org.floens.chan.utils.Logger;
 import java.io.File;
 import java.io.IOException;

+import javax.inject.Inject;
+
 import pl.droidsonroids.gif.GifDrawable;
 import pl.droidsonroids.gif.GifImageView;

+import static org.floens.chan.Chan.getGraph;
+
 public class MultiImageView extends FrameLayout implements View.OnClickListener {
    public enum Mode {
        UNLOADED, LOWRES, BIGIMAGE, GIF, MOVIE
@ -57,6 +60,12 @@ public class MultiImageView extends FrameLayout implements View.OnClickListener

    private static final String TAG = "MultiImageView";

+    @Inject
+    FileCache fileCache;
+
+    @Inject
+    ImageLoader imageLoader;
+
    private ImageView playView;

    private PostImage postImage;
@ -89,6 +98,8 @@ public class MultiImageView extends FrameLayout implements View.OnClickListener
    }

    private void init() {
+        getGraph().inject(this);
+
        setOnClickListener(this);

        playView = new ImageView(getContext());
@ -176,7 +187,7 @@ public class MultiImageView extends FrameLayout implements View.OnClickListener
        }

        // Also use volley for the thumbnails
-        thumbnailRequest = Chan.getVolleyImageLoader().get(thumbnailUrl, new ImageLoader.ImageListener() {
+        thumbnailRequest = imageLoader.get(thumbnailUrl, new ImageLoader.ImageListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                thumbnailRequest = null;
@ -214,7 +225,7 @@ public class MultiImageView extends FrameLayout implements View.OnClickListener
        }

        callback.showProgress(this, true);
-        bigImageRequest = Chan.getFileCache().downloadFile(imageUrl, new FileCache.DownloadedCallback() {
+        bigImageRequest = fileCache.downloadFile(imageUrl, new FileCache.DownloadedCallback() {
            @Override
            public void onProgress(long downloaded, long total, boolean done) {
                callback.onProgress(MultiImageView.this, downloaded, total);
@ -256,7 +267,7 @@ public class MultiImageView extends FrameLayout implements View.OnClickListener
        }

        callback.showProgress(this, true);
-        gifRequest = Chan.getFileCache().downloadFile(gifUrl, new FileCache.DownloadedCallback() {
+        gifRequest = fileCache.downloadFile(gifUrl, new FileCache.DownloadedCallback() {
            @Override
            public void onProgress(long downloaded, long total, boolean done) {
                callback.onProgress(MultiImageView.this, downloaded, total);
@ -320,7 +331,7 @@ public class MultiImageView extends FrameLayout implements View.OnClickListener
        }

        callback.showProgress(this, true);
-        videoRequest = Chan.getFileCache().downloadFile(videoUrl, new FileCache.DownloadedCallback() {
+        videoRequest = fileCache.downloadFile(videoUrl, new FileCache.DownloadedCallback() {
            @Override
            public void onProgress(long downloaded, long total, boolean done) {
                callback.onProgress(MultiImageView.this, downloaded, total);
--- a/Clover/app/src/main/java/org/floens/chan/ui/view/ThumbnailView.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/view/ThumbnailView.java
@ -40,9 +40,9 @@ import com.android.volley.TimeoutError;
 import com.android.volley.VolleyError;
 import com.android.volley.toolbox.ImageLoader;

-import org.floens.chan.Chan;
 import org.floens.chan.R;

+import static org.floens.chan.Chan.getGraph;
 import static org.floens.chan.utils.AndroidUtils.getString;
 import static org.floens.chan.utils.AndroidUtils.sp;

@ -105,7 +105,7 @@ public class ThumbnailView extends View implements ImageLoader.ImageListener {
        }

        if (!TextUtils.isEmpty(url)) {
-            container = Chan.getVolleyImageLoader().get(url, this, width, height);
+            container = getGraph().getImageLoader().get(url, this, width, height);
        }
    }

--- a/Clover/app/src/main/java/org/floens/chan/utils/AndroidUtils.java
+++ b/Clover/app/src/main/java/org/floens/chan/utils/AndroidUtils.java
@ -78,11 +78,11 @@ public class AndroidUtils {
    }

    public static Resources getRes() {
-        return Chan.con.getResources();
+        return Chan.getInstance().getResources();
    }

    public static Context getAppContext() {
-        return Chan.con;
+        return Chan.getInstance();
    }

    public static String getString(int res) {
@ -90,7 +90,7 @@ public class AndroidUtils {
    }

    public static SharedPreferences getPreferences() {
-        return PreferenceManager.getDefaultSharedPreferences(Chan.con);
+        return PreferenceManager.getDefaultSharedPreferences(Chan.getInstance());
    }

    /**