List of usage examples for android.graphics.drawable Drawable setBounds
public void setBounds(int left, int top, int right, int bottom)
From source file:com.handmark.pulltorefresh.library.internal.LoadingLayout.java
private void rotateArrow() { final Drawable drawable = mHeaderArrow.getDrawable(); final Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Config.ARGB_8888);/*from w w w. jav a 2 s . c o m*/ final Canvas canvas = new Canvas(bitmap); canvas.save(); canvas.rotate(180.0f, canvas.getWidth() / 2.0f, canvas.getHeight() / 2.0f); drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight()); drawable.draw(canvas); canvas.restore(); mHeaderArrow.setImageBitmap(bitmap); }
From source file:app.abhijit.iter.MainActivity.java
private void setupGettingStartedHint() { TextView gettingStartedHint = (TextView) findViewById(R.id.hint_getting_started); int lineHeight = gettingStartedHint.getLineHeight(); Drawable hamburgerIcon = ResourcesCompat.getDrawable(getResources(), R.drawable.ic_hamburger, null); hamburgerIcon.setBounds(0, 0, lineHeight, lineHeight); SpannableStringBuilder hintText = new SpannableStringBuilder(); hintText.append(getResources().getString(R.string.hint_getting_started_1)).append(" "); hintText.setSpan(new ImageSpan(hamburgerIcon), hintText.length() - 1, hintText.length(), 0); hintText.append(getResources().getString(R.string.hint_getting_started_2)); gettingStartedHint.setText(hintText); }
From source file:org.ohmage.app.MainActivity.java
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mNavigationItems = getResources().getStringArray(R.array.navigation_items); mNavigationIcons = getResources().obtainTypedArray(R.array.navigation_icons); mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); mDrawerList = (ListView) findViewById(R.id.left_drawer); // Set the adapter for the list view ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.simple_list_item_activated_1, mNavigationItems) {/*from ww w.j av a 2 s . co m*/ @Override public View getView(int position, View convertView, ViewGroup parent) { // Set the left drawable of the text view to be the icon for that item TextView view = (TextView) super.getView(position, convertView, parent); Drawable d = getResources().getDrawable(mNavigationIcons.getResourceId(position, -1)); if (d != null && view != null) { int bounds = getResources().getDimensionPixelSize(R.dimen.navigation_icon_bounds); d.setBounds(0, 0, bounds, bounds); view.setCompoundDrawables(d, null, null, null); } return view; } }; mDrawerList.setAdapter(adapter); // Set the list's click listener mDrawerList.setOnItemClickListener(this); mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START); mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.drawable.ic_drawer, R.string.drawer_open, R.string.drawer_close); // Set the drawer toggle as the DrawerListener mDrawerLayout.setDrawerListener(mDrawerToggle); getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); if (savedInstanceState == null) { if (getIntent().getBooleanExtra(EXTRA_VIEW_STREAMS, false)) { setFragment(getString(R.string.streams)); } else { if (!handleNewIntent(getIntent())) { setFragment(0); } } } }
From source file:com.geekandroid.sdk.base.BaseActivity.java
private Drawable getDrawable(TextView textView, int resId, int p, int b) { int padding = convertDp(p); int bounds = convertDp(b); Drawable drawable = getResources().getDrawable(resId); if (drawable != null) { if (bounds <= 0) { Bitmap bitmap = BitmapFactory.decodeResource(this.getResources(), resId); int height = bitmap.getHeight(); int width = bitmap.getWidth(); drawable.setBounds(0, 0, width, height); } else {/*from w ww . j ava 2s . co m*/ drawable.setBounds(0, 0, bounds, bounds); } } if (padding > 0) { textView.setCompoundDrawablePadding(padding); } return drawable; }
From source file:tv.acfun.video.CommentsActivity.java
private void initCommentsBar() { mCommentBar = findViewById(R.id.comments_bar); mBtnSend = (ImageButton) findViewById(R.id.comments_send_btn); mCommentText = (EditText) findViewById(R.id.comments_edit); mBtnEmotion = findViewById(R.id.comments_emotion_btn); mEmotionGrid = (GridView) findViewById(R.id.emotions); mBtnSend.setOnClickListener(this); mBtnEmotion.setOnClickListener(this); mEmotionGrid.setAdapter(mEmotionAdapter); mEmotionGrid.setOnItemClickListener(new OnItemClickListener() { @Override//from ww w . j a va 2s . c om public void onItemClick(AdapterView<?> parent, View view, int position, long id) { int index = mCommentText.getSelectionEnd(); Editable text = mCommentText.getText(); String emotion = parent.getItemAtPosition(position).toString(); text.insert(index, emotion); EmotionView v = (EmotionView) parent.getAdapter().getView(position, null, null); Drawable drawable = TextViewUtils.convertViewToDrawable(v); drawable.setBounds(0, 0, drawable.getIntrinsicWidth() / 2, drawable.getIntrinsicHeight() / 2); text.setSpan(new ImageSpan(drawable), index, index + emotion.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); } }); }
From source file:com.iangclifton.auid.horizontaliconview.HorizontalIconView.java
@Override protected void onDraw(Canvas canvas) { if (mDrawables == null || mDrawables.isEmpty()) { return;//from w ww .ja v a 2 s . c om } final int width = getWidth(); final int paddingBottom = getPaddingBottom(); final int paddingLeft = getPaddingLeft(); final int paddingTop = getPaddingTop(); // Determine edges of visible content final int leftEdge = getScrollX(); final int rightEdge = leftEdge + width; int left = paddingLeft; int top = paddingTop; mSkippedIconCount = 0; final int iconCount = mDrawables.size(); for (int i = 0; i < iconCount; i++) { if (left + mIconSize < leftEdge) { // Icon is too far left to be seen left = left + mIconSize + mIconSpacing; mSkippedIconCount++; continue; } if (left > rightEdge) { // All remaining icons are right of the view break; } // Get a reference to the icon to be drawn final Drawable icon = mDrawables.get(i); icon.setBounds(left, top, left + mIconSize, top + mIconSize); icon.draw(canvas); // Icon was drawn, so track position final int drawnPosition = i - mSkippedIconCount; if (drawnPosition + 1 > mIconPositions.size()) { final Rect rect = icon.copyBounds(); mIconPositions.add(rect); } else { final Rect rect = mIconPositions.get(drawnPosition); icon.copyBounds(rect); } // Update left position left = left + mIconSize + mIconSpacing; } if (mEdgeEffectLeft != null) { if (!mEdgeEffectLeft.isFinished()) { final int restoreCount = canvas.save(); final int height = getHeight() - paddingTop - paddingBottom; canvas.rotate(270); canvas.translate(-height + paddingTop, Math.min(0, leftEdge)); mEdgeEffectLeft.setSize(height, getWidth()); if (mEdgeEffectLeft.draw(canvas)) { postInvalidateOnAnimation(); } canvas.restoreToCount(restoreCount); } if (!mEdgeEffectRight.isFinished()) { final int restoreCount = canvas.save(); final int height = getHeight() - paddingTop - paddingBottom; canvas.rotate(90); canvas.translate(-paddingTop, -(Math.max(mScrollRange, leftEdge) + width)); mEdgeEffectRight.setSize(height, width); if (mEdgeEffectRight.draw(canvas)) { postInvalidateOnAnimation(); } canvas.restoreToCount(restoreCount); } } }
From source file:de.dreier.mytargets.utils.transitions.FabTransform.java
@Override public Animator createAnimator(@NonNull final ViewGroup sceneRoot, final TransitionValues startValues, final TransitionValues endValues) { if (startValues == null || endValues == null) { return null; }/*from w w w . ja va2 s .co m*/ final Rect startBounds = (Rect) startValues.values.get(PROP_BOUNDS); final Rect endBounds = (Rect) endValues.values.get(PROP_BOUNDS); final boolean fromFab = endBounds.width() > startBounds.width(); final View view = endValues.view; final Rect dialogBounds = fromFab ? endBounds : startBounds; final Rect fabBounds = fromFab ? startBounds : endBounds; final Interpolator fastOutSlowInInterpolator = new FastOutSlowInInterpolator(); final long duration = getDuration(); final long halfDuration = duration / 2; final long twoThirdsDuration = duration * 2 / 3; if (!fromFab) { // Force measure / layout the dialog back to it's original bounds view.measure(makeMeasureSpec(startBounds.width(), View.MeasureSpec.EXACTLY), makeMeasureSpec(startBounds.height(), View.MeasureSpec.EXACTLY)); view.layout(startBounds.left, startBounds.top, startBounds.right, startBounds.bottom); } final int translationX = startBounds.centerX() - endBounds.centerX(); final int translationY = startBounds.centerY() - endBounds.centerY(); if (fromFab) { view.setTranslationX(translationX); view.setTranslationY(translationY); } // Add a color overlay to fake appearance of the FAB final ColorDrawable fabColor = new ColorDrawable(color); fabColor.setBounds(0, 0, dialogBounds.width(), dialogBounds.height()); if (!fromFab) { fabColor.setAlpha(0); } view.getOverlay().add(fabColor); // Add an icon overlay again to fake the appearance of the FAB final Drawable fabIcon = ContextCompat.getDrawable(sceneRoot.getContext(), icon).mutate(); final int iconLeft = (dialogBounds.width() - fabIcon.getIntrinsicWidth()) / 2; final int iconTop = (dialogBounds.height() - fabIcon.getIntrinsicHeight()) / 2; fabIcon.setBounds(iconLeft, iconTop, iconLeft + fabIcon.getIntrinsicWidth(), iconTop + fabIcon.getIntrinsicHeight()); if (!fromFab) { fabIcon.setAlpha(0); } view.getOverlay().add(fabIcon); // Circular clip from/to the FAB size final Animator circularReveal; if (fromFab) { circularReveal = ViewAnimationUtils.createCircularReveal(view, view.getWidth() / 2, view.getHeight() / 2, startBounds.width() / 2, (float) Math.hypot(endBounds.width() / 2, endBounds.height() / 2)); circularReveal.setInterpolator(new FastOutLinearInInterpolator()); } else { circularReveal = ViewAnimationUtils.createCircularReveal(view, view.getWidth() / 2, view.getHeight() / 2, (float) Math.hypot(startBounds.width() / 2, startBounds.height() / 2), endBounds.width() / 2); circularReveal.setInterpolator(new LinearOutSlowInInterpolator()); // Persist the end clip i.e. stay at FAB size after the reveal has run circularReveal.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { view.setOutlineProvider(new ViewOutlineProvider() { @Override public void getOutline(View view, Outline outline) { final int left = (view.getWidth() - fabBounds.width()) / 2; final int top = (view.getHeight() - fabBounds.height()) / 2; outline.setOval(left, top, left + fabBounds.width(), top + fabBounds.height()); view.setClipToOutline(true); } }); } }); } circularReveal.setDuration(duration); // Translate to end position along an arc final Animator translate = ObjectAnimator.ofFloat(view, View.TRANSLATION_X, View.TRANSLATION_Y, fromFab ? getPathMotion().getPath(translationX, translationY, 0, 0) : getPathMotion().getPath(0, 0, -translationX, -translationY)); translate.setDuration(duration); translate.setInterpolator(fastOutSlowInInterpolator); // Fade contents of non-FAB view in/out List<Animator> fadeContents = null; if (view instanceof ViewGroup) { final ViewGroup vg = ((ViewGroup) view); fadeContents = new ArrayList<>(vg.getChildCount()); for (int i = vg.getChildCount() - 1; i >= 0; i--) { final View child = vg.getChildAt(i); final Animator fade = ObjectAnimator.ofFloat(child, View.ALPHA, fromFab ? 1f : 0f); if (fromFab) { child.setAlpha(0f); } fade.setDuration(twoThirdsDuration); fade.setInterpolator(fastOutSlowInInterpolator); fadeContents.add(fade); } } // Fade in/out the fab color & icon overlays final Animator colorFade = ObjectAnimator.ofInt(fabColor, "alpha", fromFab ? 0 : 255); final Animator iconFade = ObjectAnimator.ofInt(fabIcon, "alpha", fromFab ? 0 : 255); if (!fromFab) { colorFade.setStartDelay(halfDuration); iconFade.setStartDelay(halfDuration); } colorFade.setDuration(halfDuration); iconFade.setDuration(halfDuration); colorFade.setInterpolator(fastOutSlowInInterpolator); iconFade.setInterpolator(fastOutSlowInInterpolator); // Work around issue with elevation shadows. At the end of the return transition the shared // element's shadow is drawn twice (by each activity) which is jarring. This workaround // still causes the shadow to snap, but it's better than seeing it double drawn. Animator elevation = null; if (!fromFab) { elevation = ObjectAnimator.ofFloat(view, View.TRANSLATION_Z, -view.getElevation()); elevation.setDuration(duration); elevation.setInterpolator(fastOutSlowInInterpolator); } // Run all animations together final AnimatorSet transition = new AnimatorSet(); transition.playTogether(circularReveal, translate, colorFade, iconFade); transition.playTogether(fadeContents); if (elevation != null) { transition.play(elevation); } if (fromFab) { transition.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { // Clean up view.getOverlay().clear(); } }); } return new NoPauseAnimator(transition); }
From source file:com.amitupadhyay.aboutexample.ui.transitions.FabTransform.java
@Override public Animator createAnimator(final ViewGroup sceneRoot, final TransitionValues startValues, final TransitionValues endValues) { if (startValues == null || endValues == null) return null; final Rect startBounds = (Rect) startValues.values.get(PROP_BOUNDS); final Rect endBounds = (Rect) endValues.values.get(PROP_BOUNDS); final boolean fromFab = endBounds.width() > startBounds.width(); final View view = endValues.view; final Rect dialogBounds = fromFab ? endBounds : startBounds; final Rect fabBounds = fromFab ? startBounds : endBounds; final Interpolator fastOutSlowInInterpolator = AnimUtils .getFastOutSlowInInterpolator(sceneRoot.getContext()); final long duration = getDuration(); final long halfDuration = duration / 2; final long twoThirdsDuration = duration * 2 / 3; if (!fromFab) { // Force measure / layout the dialog back to it's original bounds view.measure(makeMeasureSpec(startBounds.width(), View.MeasureSpec.EXACTLY), makeMeasureSpec(startBounds.height(), View.MeasureSpec.EXACTLY)); view.layout(startBounds.left, startBounds.top, startBounds.right, startBounds.bottom); }/* w ww . j a v a2 s . c om*/ final int translationX = startBounds.centerX() - endBounds.centerX(); final int translationY = startBounds.centerY() - endBounds.centerY(); if (fromFab) { view.setTranslationX(translationX); view.setTranslationY(translationY); } // Add a color overlay to fake appearance of the FAB final ColorDrawable fabColor = new ColorDrawable(color); fabColor.setBounds(0, 0, dialogBounds.width(), dialogBounds.height()); if (!fromFab) fabColor.setAlpha(0); view.getOverlay().add(fabColor); // Add an icon overlay again to fake the appearance of the FAB final Drawable fabIcon = ContextCompat.getDrawable(sceneRoot.getContext(), icon).mutate(); final int iconLeft = (dialogBounds.width() - fabIcon.getIntrinsicWidth()) / 2; final int iconTop = (dialogBounds.height() - fabIcon.getIntrinsicHeight()) / 2; fabIcon.setBounds(iconLeft, iconTop, iconLeft + fabIcon.getIntrinsicWidth(), iconTop + fabIcon.getIntrinsicHeight()); if (!fromFab) fabIcon.setAlpha(0); view.getOverlay().add(fabIcon); // Circular clip from/to the FAB size final Animator circularReveal; if (fromFab) { circularReveal = ViewAnimationUtils.createCircularReveal(view, view.getWidth() / 2, view.getHeight() / 2, startBounds.width() / 2, (float) Math.hypot(endBounds.width() / 2, endBounds.height() / 2)); circularReveal.setInterpolator(AnimUtils.getFastOutLinearInInterpolator(sceneRoot.getContext())); } else { circularReveal = ViewAnimationUtils.createCircularReveal(view, view.getWidth() / 2, view.getHeight() / 2, (float) Math.hypot(startBounds.width() / 2, startBounds.height() / 2), endBounds.width() / 2); circularReveal.setInterpolator(AnimUtils.getLinearOutSlowInInterpolator(sceneRoot.getContext())); // Persist the end clip i.e. stay at FAB size after the reveal has run circularReveal.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { view.setOutlineProvider(new ViewOutlineProvider() { @Override public void getOutline(View view, Outline outline) { final int left = (view.getWidth() - fabBounds.width()) / 2; final int top = (view.getHeight() - fabBounds.height()) / 2; outline.setOval(left, top, left + fabBounds.width(), top + fabBounds.height()); view.setClipToOutline(true); } }); } }); } circularReveal.setDuration(duration); // Translate to end position along an arc final Animator translate = ObjectAnimator.ofFloat(view, View.TRANSLATION_X, View.TRANSLATION_Y, fromFab ? getPathMotion().getPath(translationX, translationY, 0, 0) : getPathMotion().getPath(0, 0, -translationX, -translationY)); translate.setDuration(duration); translate.setInterpolator(fastOutSlowInInterpolator); // Fade contents of non-FAB view in/out List<Animator> fadeContents = null; if (view instanceof ViewGroup) { final ViewGroup vg = ((ViewGroup) view); fadeContents = new ArrayList<>(vg.getChildCount()); for (int i = vg.getChildCount() - 1; i >= 0; i--) { final View child = vg.getChildAt(i); final Animator fade = ObjectAnimator.ofFloat(child, View.ALPHA, fromFab ? 1f : 0f); if (fromFab) { child.setAlpha(0f); } fade.setDuration(twoThirdsDuration); fade.setInterpolator(fastOutSlowInInterpolator); fadeContents.add(fade); } } // Fade in/out the fab color & icon overlays final Animator colorFade = ObjectAnimator.ofInt(fabColor, "alpha", fromFab ? 0 : 255); final Animator iconFade = ObjectAnimator.ofInt(fabIcon, "alpha", fromFab ? 0 : 255); if (!fromFab) { colorFade.setStartDelay(halfDuration); iconFade.setStartDelay(halfDuration); } colorFade.setDuration(halfDuration); iconFade.setDuration(halfDuration); colorFade.setInterpolator(fastOutSlowInInterpolator); iconFade.setInterpolator(fastOutSlowInInterpolator); // Work around issue with elevation shadows. At the end of the return transition the shared // element's shadow is drawn twice (by each activity) which is jarring. This workaround // still causes the shadow to snap, but it's better than seeing it double drawn. Animator elevation = null; if (!fromFab) { elevation = ObjectAnimator.ofFloat(view, View.TRANSLATION_Z, -view.getElevation()); elevation.setDuration(duration); elevation.setInterpolator(fastOutSlowInInterpolator); } // Run all animations together final AnimatorSet transition = new AnimatorSet(); transition.playTogether(circularReveal, translate, colorFade, iconFade); transition.playTogether(fadeContents); if (elevation != null) transition.play(elevation); if (fromFab) { transition.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { // Clean up view.getOverlay().clear(); } }); } return new AnimUtils.NoPauseAnimator(transition); }
From source file:com.github.pedrovgs.nox.NoxView.java
/** * Draws a NoxItem drawable during the onDraw method given a canvas object and all the * information needed to draw the Drawable passed as parameter. *///from w ww .j a v a 2s. c o m private void drawNoxItemDrawable(Canvas canvas, int left, int top, Drawable drawable) { if (drawable != null) { int itemSize = (int) noxConfig.getNoxItemSize(); drawable.setBounds(left, top, left + itemSize, top + itemSize); drawable.draw(canvas); } }
From source file:com.hitomi.circlemenu.transtion.FabTransform.java
@Override public Animator createAnimator(final ViewGroup sceneRoot, final TransitionValues startValues, final TransitionValues endValues) { if (startValues == null || endValues == null) return null; final Rect startBounds = (Rect) startValues.values.get(PROP_BOUNDS); final Rect endBounds = (Rect) endValues.values.get(PROP_BOUNDS); final boolean fromFab = endBounds.width() > startBounds.width(); final View view = endValues.view; final Rect dialogBounds = fromFab ? endBounds : startBounds; final Rect fabBounds = fromFab ? startBounds : endBounds; final Interpolator fastOutSlowInInterpolator = AnimUtils .getFastOutSlowInInterpolator(sceneRoot.getContext()); final long duration = getDuration(); final long halfDuration = duration / 2; final long twoThirdsDuration = duration * 2 / 3; if (!fromFab) { // Force measure / layout the dialog back to it'page_two original bounds view.measure(makeMeasureSpec(startBounds.width(), View.MeasureSpec.EXACTLY), makeMeasureSpec(startBounds.height(), View.MeasureSpec.EXACTLY)); view.layout(startBounds.left, startBounds.top, startBounds.right, startBounds.bottom); }// w w w . ja v a 2 s .c om final int translationX = startBounds.centerX() - endBounds.centerX(); final int translationY = startBounds.centerY() - endBounds.centerY(); if (fromFab) { view.setTranslationX(translationX); view.setTranslationY(translationY); } // Add a color overlay to fake appearance of the FAB final ColorDrawable fabColor = new ColorDrawable(color); fabColor.setBounds(0, 0, dialogBounds.width(), dialogBounds.height()); if (!fromFab) fabColor.setAlpha(0); view.getOverlay().add(fabColor); // Add an icon overlay again to fake the appearance of the FAB final Drawable fabIcon = ContextCompat.getDrawable(sceneRoot.getContext(), icon).mutate(); final int iconLeft = (dialogBounds.width() - fabIcon.getIntrinsicWidth()) / 2; final int iconTop = (dialogBounds.height() - fabIcon.getIntrinsicHeight()) / 2; fabIcon.setBounds(iconLeft, iconTop, iconLeft + fabIcon.getIntrinsicWidth(), iconTop + fabIcon.getIntrinsicHeight()); if (!fromFab) fabIcon.setAlpha(0); view.getOverlay().add(fabIcon); // Circular clip from/to the FAB size final Animator circularReveal; if (fromFab) { circularReveal = ViewAnimationUtils.createCircularReveal(view, view.getWidth() / 2, view.getHeight() / 2, startBounds.width() / 2, (float) Math.hypot(endBounds.width() / 2, endBounds.height() / 2)); circularReveal.setInterpolator(AnimUtils.getFastOutLinearInInterpolator(sceneRoot.getContext())); } else { circularReveal = ViewAnimationUtils.createCircularReveal(view, view.getWidth() / 2, view.getHeight() / 2, (float) Math.hypot(startBounds.width() / 2, startBounds.height() / 2), endBounds.width() / 2); circularReveal.setInterpolator(AnimUtils.getLinearOutSlowInInterpolator(sceneRoot.getContext())); // Persist the end clip i.e. stay at FAB size after the reveal has run circularReveal.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { view.setOutlineProvider(new ViewOutlineProvider() { @Override public void getOutline(View view, Outline outline) { final int left = (view.getWidth() - fabBounds.width()) / 2; final int top = (view.getHeight() - fabBounds.height()) / 2; outline.setOval(left, top, left + fabBounds.width(), top + fabBounds.height()); view.setClipToOutline(true); } }); } }); } circularReveal.setDuration(duration); // Translate to end position along an arc final Animator translate = ObjectAnimator.ofFloat(view, View.TRANSLATION_X, View.TRANSLATION_Y, fromFab ? getPathMotion().getPath(translationX, translationY, 0, 0) : getPathMotion().getPath(0, 0, -translationX, -translationY)); translate.setDuration(duration); translate.setInterpolator(fastOutSlowInInterpolator); // Fade contents of non-FAB view in/out List<Animator> fadeContents = null; if (view instanceof ViewGroup) { final ViewGroup vg = ((ViewGroup) view); fadeContents = new ArrayList<>(vg.getChildCount()); for (int i = vg.getChildCount() - 1; i >= 0; i--) { final View child = vg.getChildAt(i); final Animator fade = ObjectAnimator.ofFloat(child, View.ALPHA, fromFab ? 1f : 0f); if (fromFab) { child.setAlpha(0f); } fade.setDuration(twoThirdsDuration); fade.setInterpolator(fastOutSlowInInterpolator); fadeContents.add(fade); } } // Fade in/out the fab color & icon overlays final Animator colorFade = ObjectAnimator.ofInt(fabColor, "alpha", fromFab ? 0 : 255); final Animator iconFade = ObjectAnimator.ofInt(fabIcon, "alpha", fromFab ? 0 : 255); if (!fromFab) { colorFade.setStartDelay(halfDuration); iconFade.setStartDelay(halfDuration); } colorFade.setDuration(halfDuration); iconFade.setDuration(halfDuration); colorFade.setInterpolator(fastOutSlowInInterpolator); iconFade.setInterpolator(fastOutSlowInInterpolator); // Work around issue with elevation shadows. At the end of the return transition the shared // element'page_two shadow is drawn twice (by each activity) which is jarring. This workaround // still causes the shadow to snap, but it'page_two better than seeing it double drawn. Animator elevation = null; if (!fromFab) { elevation = ObjectAnimator.ofFloat(view, View.TRANSLATION_Z, -view.getElevation()); elevation.setDuration(duration); elevation.setInterpolator(fastOutSlowInInterpolator); } // Run all animations together final AnimatorSet transition = new AnimatorSet(); transition.playTogether(circularReveal, translate, colorFade, iconFade); transition.playTogether(fadeContents); if (elevation != null) transition.play(elevation); if (fromFab) { transition.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { // Clean up view.getOverlay().clear(); } }); } return new AnimUtils.NoPauseAnimator(transition); }