mirror of https://github.com/kurisufriend/Clover
Floens
11 years ago
parent
93e8a9aaf5
commit
3e2c34c3bd
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package com.micromobs.android.floatlabel; |
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import org.floens.chan.R; |
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import android.animation.ArgbEvaluator; |
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import android.animation.ValueAnimator; |
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import android.annotation.TargetApi; |
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import android.content.Context; |
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import android.content.res.TypedArray; |
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import android.text.Editable; |
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import android.text.TextWatcher; |
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import android.util.AttributeSet; |
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import android.util.TypedValue; |
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import android.view.LayoutInflater; |
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import android.view.View; |
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import android.view.WindowManager; |
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import android.view.animation.AnimationUtils; |
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import android.widget.EditText; |
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import android.widget.LinearLayout; |
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import android.widget.TextView; |
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@TargetApi(11) |
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public class FloatLabelEditText extends LinearLayout { |
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private int mFocusedColor, mUnFocusedColor, mFitScreenWidth; |
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private final int mCurrentApiVersion = android.os.Build.VERSION.SDK_INT; |
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private float mTextSizeInSp; |
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private String mHintText, mEditText; |
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private AttributeSet mAttrs; |
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private final Context mContext; |
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private EditText mEditTextView; |
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private TextView mFloatingLabel; |
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// -----------------------------------------------------------------------
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// default constructors
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public FloatLabelEditText(Context context) { |
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super(context); |
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mContext = context; |
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initializeView(); |
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} |
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public FloatLabelEditText(Context context, AttributeSet attrs) { |
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super(context, attrs); |
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mContext = context; |
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mAttrs = attrs; |
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initializeView(); |
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} |
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public FloatLabelEditText(Context context, AttributeSet attrs, int defStyle) { |
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super(context, attrs, defStyle); |
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mContext = context; |
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mAttrs = attrs; |
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initializeView(); |
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} |
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// -----------------------------------------------------------------------
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// public interface
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public EditText getEditText() { |
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return mEditTextView; |
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} |
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public String getText() { |
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if (getEditTextString() != null && |
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getEditTextString().toString() != null && |
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getEditTextString().toString().length() > 0) { |
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return getEditTextString().toString(); |
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} |
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return ""; |
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} |
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// -----------------------------------------------------------------------
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// private helpers
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private void initializeView() { |
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if (mContext == null) return; |
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LayoutInflater mInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); |
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mInflater.inflate(R.layout.floatlabel_edittext, this, true); |
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mFloatingLabel = (TextView) findViewById(R.id.floating_label_hint); |
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mEditTextView = (EditText) findViewById(R.id.floating_label_edit_text); |
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getAttributesFromXmlAndStoreLocally(); |
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setupEditTextView(); |
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setupFloatingLabel(); |
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} |
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private void getAttributesFromXmlAndStoreLocally() { |
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TypedArray attributesFromXmlLayout = mContext.obtainStyledAttributes(mAttrs, R.styleable.FloatLabelEditText ); |
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if (attributesFromXmlLayout == null) return; |
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mHintText = attributesFromXmlLayout.getString(R.styleable.FloatLabelEditText_hint); |
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mEditText = attributesFromXmlLayout.getString(R.styleable.FloatLabelEditText_text); |
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mTextSizeInSp = getScaledFontSize(attributesFromXmlLayout.getDimensionPixelSize(R.styleable.FloatLabelEditText_textSize, (int) mEditTextView.getTextSize())); |
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mFocusedColor = attributesFromXmlLayout.getColor(R.styleable.FloatLabelEditText_textColorHintFocused, android.R.color.black); |
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mUnFocusedColor = attributesFromXmlLayout.getColor(R.styleable.FloatLabelEditText_textColorHintUnFocused, android.R.color.darker_gray); |
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mFitScreenWidth = attributesFromXmlLayout.getInt(R.styleable.FloatLabelEditText_fitScreenWidth, 0); |
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attributesFromXmlLayout.recycle(); |
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} |
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private void setupEditTextView() { |
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mEditTextView.setHint(mHintText); |
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mEditTextView.setHintTextColor(mUnFocusedColor); |
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mEditTextView.setText(mEditText); |
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mEditTextView.setTextSize(TypedValue.COMPLEX_UNIT_SP, mTextSizeInSp); |
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mEditTextView.addTextChangedListener(getTextWatcher()); |
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if (mFitScreenWidth > 0) { |
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mEditTextView.setWidth(getSpecialWidth()); |
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} |
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if (mCurrentApiVersion >= android.os.Build.VERSION_CODES.HONEYCOMB) { |
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mEditTextView.setOnFocusChangeListener(getFocusChangeListener()); |
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} |
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} |
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private void setupFloatingLabel() { |
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mFloatingLabel.setText(mHintText); |
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mFloatingLabel.setTextColor(mUnFocusedColor); |
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mFloatingLabel.setTextSize(TypedValue.COMPLEX_UNIT_SP, (float) (mTextSizeInSp / 1.3)); |
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mFloatingLabel.setPadding(mEditTextView.getPaddingLeft(), 0, 0, 0); |
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if (getText().length() > 0) { |
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showFloatingLabel(); |
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} |
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} |
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private TextWatcher getTextWatcher() { |
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return new TextWatcher() { |
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@Override |
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public void beforeTextChanged(CharSequence s, int start, int count, int after) {} |
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@Override |
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public void onTextChanged(CharSequence s, int start, int before, int count) {} |
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@Override |
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public void afterTextChanged(Editable s) { |
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if (s.length() > 0 && mFloatingLabel.getVisibility() == INVISIBLE) { |
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showFloatingLabel(); |
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} else if (s.length() == 0 && mFloatingLabel.getVisibility() == VISIBLE) { |
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hideFloatingLabel(); |
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} |
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} |
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}; |
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} |
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private void showFloatingLabel() { |
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mFloatingLabel.setVisibility(VISIBLE); |
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mFloatingLabel.startAnimation(AnimationUtils.loadAnimation(getContext(), R.anim.slide_from_bottom)); |
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} |
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private void hideFloatingLabel() { |
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mFloatingLabel.setVisibility(INVISIBLE); |
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mFloatingLabel.startAnimation(AnimationUtils.loadAnimation(getContext(), R.anim.slide_to_bottom)); |
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} |
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private OnFocusChangeListener getFocusChangeListener() { |
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return new OnFocusChangeListener() { |
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ValueAnimator mFocusToUnfocusAnimation, mUnfocusToFocusAnimation; |
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@Override |
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public void onFocusChange(View v, boolean hasFocus) { |
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ValueAnimator lColorAnimation; |
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if (hasFocus) { |
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lColorAnimation = getFocusToUnfocusAnimation(); |
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} else { |
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lColorAnimation = getUnfocusToFocusAnimation(); |
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} |
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lColorAnimation.setDuration(700); |
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lColorAnimation.start(); |
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} |
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private ValueAnimator getFocusToUnfocusAnimation() { |
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if (mFocusToUnfocusAnimation == null) { |
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mFocusToUnfocusAnimation = getFocusAnimation(mUnFocusedColor, mFocusedColor); |
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} |
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return mFocusToUnfocusAnimation; |
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} |
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private ValueAnimator getUnfocusToFocusAnimation() { |
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if (mUnfocusToFocusAnimation == null) { |
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mUnfocusToFocusAnimation = getFocusAnimation(mFocusedColor, mUnFocusedColor); |
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} |
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return mUnfocusToFocusAnimation; |
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} |
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}; |
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} |
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private ValueAnimator getFocusAnimation(int fromColor, int toColor) { |
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ValueAnimator colorAnimation = ValueAnimator.ofObject(new ArgbEvaluator(), fromColor, toColor); |
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colorAnimation.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { |
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@Override |
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public void onAnimationUpdate(ValueAnimator animator) { |
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mFloatingLabel.setTextColor((Integer) animator.getAnimatedValue()); |
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} |
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}); |
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return colorAnimation; |
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} |
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private Editable getEditTextString() { |
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return mEditTextView.getText(); |
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} |
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private float getScaledFontSize(float fontSizeFromAttributes) { |
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float scaledDensity = getContext().getResources().getDisplayMetrics().scaledDensity; |
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return fontSizeFromAttributes/scaledDensity; |
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} |
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@SuppressWarnings({ "deprecation", "unused" }) |
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private int getSpecialWidth() { |
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float screenWidth = ((WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getWidth(); |
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int prevWidth = mEditTextView.getWidth(); |
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switch (mFitScreenWidth) { |
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case 2: |
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return (int) Math.round(screenWidth * 0.5); |
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default: |
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return Math.round(screenWidth); |
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} |
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} |
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} |
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@ -1,12 +0,0 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<set xmlns:android="http://schemas.android.com/apk/res/android"> |
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<translate |
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android:fromYDelta="5%p" |
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android:toYDelta="0" |
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android:duration="350" /> |
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<alpha |
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android:fromAlpha="0.0" |
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android:toAlpha="1.0" |
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android:duration="350" /> |
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</set> |
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@ -1,12 +0,0 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<set xmlns:android="http://schemas.android.com/apk/res/android"> |
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<translate |
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android:fromYDelta="0" |
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android:toYDelta="5%p" |
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android:duration="350" /> |
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<alpha |
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android:fromAlpha="1.0" |
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android:toAlpha="0.0" |
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android:duration="350" /> |
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</set> |
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@ -1,20 +0,0 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:layout_marginTop="5dp" |
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android:orientation="vertical" > |
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<TextView |
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android:id="@+id/floating_label_hint" |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:layout_marginBottom="-8dp" |
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android:visibility="invisible" /> |
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<EditText |
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android:id="@+id/floating_label_edit_text" |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" /> |
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</LinearLayout> |
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