List of usage examples for android.view ViewGroup getChildCount
public int getChildCount()
From source file:ccv.checkhelzio.nuevaagendacucsh.transitions.FabTransition.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); }/*from w ww.ja v a 2s. 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())); //circularReveal.setInterpolator(new AnimationUtils().loadInterpolator(sceneRoot.getContext(), android.R.interpolator.fast_out_slow_in)); } 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.n3rditorium.pocketdoggie.transitions.FabTransform.java
@Override public Animator createAnimator(final ViewGroup sceneRoot, final TransitionValues startValues, final TransitionValues endValues) { if (startValues == null || endValues == null) { return null; }/* ww w . ja v a2 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 = 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); } 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.width() / 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.width() / 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.efan.notlonely_android.view.PagerSlidingTabStrip.java
private void scrollToChild(int position, int offset) { ViewGroup tabsLayout = getTabsLayout(); if (tabsLayout != null && tabsLayout.getChildCount() > 0 && position < tabsLayout.getChildCount()) { View view = tabsLayout.getChildAt(position); if (view != null) { int newScrollX = view.getLeft() + offset - getLeftMargin(view); if (position > 0 || offset > 0) { newScrollX -= getWidth() / 2 - getOffset(view.getWidth()) / 2; }//from ww w .j a v a2s . c o m if (newScrollX != lastScrollX) { lastScrollX = newScrollX; scrollTo(newScrollX, 0); } } } }
From source file:net.openwatch.acluaz.fragment.FormFragment.java
public void clearForm(ViewGroup container) { View view;/*from www . ja va 2 s . c o m*/ for (int x = 0; x < container.getChildCount(); x++) { view = container.getChildAt(x); if (EditText.class.isInstance(view)) { if (view.getTag() != null) { ((EditText) view).setText(""); } } } }
From source file:com.mishiranu.dashchan.util.DrawerToggle.java
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2) private void setActionBarUpIndicatorObsolete(Drawable upDrawable) { if (C.API_JELLY_BEAN_MR2) { activity.getActionBar().setHomeAsUpIndicator(upDrawable); } else {/*w w w .j a v a 2 s . co m*/ if (upIndicatorView == null) { View home = activity.findViewById(android.R.id.home); if (home == null) { return; } ViewGroup parent = (ViewGroup) home.getParent(); int childCount = parent.getChildCount(); if (childCount != 2) { return; } View first = parent.getChildAt(0); View second = parent.getChildAt(1); View up = first.getId() == android.R.id.home ? second : first; if (up instanceof ImageView) { upIndicatorView = (ImageView) up; } } if (upIndicatorView != null) { upIndicatorView.setImageDrawable(upDrawable); } } }
From source file:net.openwatch.acluaz.fragment.FormFragment.java
public boolean validateForm(ViewGroup container) { View view;/*from w ww.j ava2s . com*/ for (int x = 0; x < container.getChildCount(); x++) { view = container.getChildAt(x); if (ValidatedEditText.class.isInstance(view)) { //Log.i(TAG, "validating field: " + ((EditText)view).getText().toString()); if (((EditText) view).getText().toString().compareTo("") == 0) { //view.requestFocus(); return false; } } } return true; }
From source file:com.bachhuberdesign.deckbuildergwent.util.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 Interpolator fastOutSlowInInterpolator = AnimUtils.getFastOutSlowInInterpolator(); 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); }/*from w ww. j av a 2 s. com*/ 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); // Since the view that's being transition to always seems to be on the top (z-order), we have // to make a copy of the "from" view and put it in the "to" view's overlay, then fade it out. // There has to be another way to do this, right? Drawable dialogView = null; if (!fromFab) { startValues.view.setDrawingCacheEnabled(true); startValues.view.buildDrawingCache(); Bitmap viewBitmap = startValues.view.getDrawingCache(); dialogView = new BitmapDrawable(view.getResources(), viewBitmap); dialogView.setBounds(0, 0, dialogBounds.width(), dialogBounds.height()); view.getOverlay().add(dialogView); } // 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()); } 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()); // 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) { final ViewOutlineProvider fabOutlineProvider = view.getOutlineProvider(); view.setOutlineProvider(new ViewOutlineProvider() { boolean hasRun = false; @Override public void getOutline(final View view, Outline outline) { final int left = (view.getWidth() - endBounds.width()) / 2; final int top = (view.getHeight() - endBounds.height()) / 2; outline.setOval(left, top, left + endBounds.width(), top + endBounds.height()); if (!hasRun) { hasRun = true; view.setClipToOutline(true); // We have to remove this as soon as it's laid out so we can get the shadow back view.getViewTreeObserver().addOnPreDrawListener(new OnPreDrawListener() { @Override public boolean onPreDraw() { if (view.getWidth() == endBounds.width() && view.getHeight() == endBounds.height()) { view.setOutlineProvider(fabOutlineProvider); view.setClipToOutline(false); view.getViewTreeObserver().removeOnPreDrawListener(this); return true; } return 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); // Run all animations together final AnimatorSet transition = new AnimatorSet(); transition.playTogether(circularReveal, translate, colorFade, iconFade); transition.playTogether(fadeContents); if (dialogView != null) { final Animator dialogViewFade = ObjectAnimator.ofInt(dialogView, "alpha", 0) .setDuration(twoThirdsDuration); dialogViewFade.setInterpolator(fastOutSlowInInterpolator); transition.playTogether(dialogViewFade); } transition.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { // Clean up view.getOverlay().clear(); if (!fromFab) { view.setTranslationX(0); view.setTranslationY(0); view.setTranslationZ(0); view.measure(makeMeasureSpec(endBounds.width(), View.MeasureSpec.EXACTLY), makeMeasureSpec(endBounds.height(), View.MeasureSpec.EXACTLY)); view.layout(endBounds.left, endBounds.top, endBounds.right, endBounds.bottom); } } }); return new AnimUtils.NoPauseAnimator(transition); }
From source file:com.e.library.widget.ESwipeBackLayout.java
/** * Find out the scrollable child view from a ViewGroup. * * @param viewGroup/* w w w .j ava2 s . c o m*/ */ private void findScrollView(ViewGroup viewGroup) { scrollChild = viewGroup; if (viewGroup.getChildCount() > 0) { int count = viewGroup.getChildCount(); View child; for (int i = 0; i < count; i++) { child = viewGroup.getChildAt(i); if (child instanceof RecyclerView || child instanceof AbsListView || child instanceof ScrollView || child instanceof ViewPager || child instanceof WebView) { scrollChild = child; return; } } } }
From source file:android.support.design.widget.TextInputLayout.java
private static void recursiveSetEnabled(final ViewGroup vg, final boolean enabled) { for (int i = 0, count = vg.getChildCount(); i < count; i++) { final View child = vg.getChildAt(i); child.setEnabled(enabled);//from w w w. j av a 2s. c om if (child instanceof ViewGroup) { recursiveSetEnabled((ViewGroup) child, enabled); } } }
From source file:com.efan.notlonely_android.view.PagerSlidingTabStrip.java
@Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); if (disableViewPager) return;/*from w ww.j a va 2 s. c o m*/ ViewGroup tabsLayout = getTabsLayout(); if (tabsLayout != null && tabsLayout.getChildCount() > 0 && slidingBlockDrawable != null) { View currentTab = tabsLayout.getChildAt(currentPosition); if (currentTab != null) { float slidingBlockLeft = currentTab.getLeft() + FirstPositionOffset; float slidingBlockRight = currentTab.getRight() + FirstPositionOffset; if (currentPositionOffset > 0f && currentPosition < tabsLayout.getChildCount() - 1) { View nextTab = tabsLayout.getChildAt(currentPosition + 1); if (nextTab != null) { final float nextTabLeft = nextTab.getLeft() + FirstPositionOffset; final float nextTabRight = nextTab.getRight() + FirstPositionOffset; slidingBlockLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * slidingBlockLeft); slidingBlockRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * slidingBlockRight); } } if (disableTensileSlidingBlock) { int center = (int) (slidingBlockLeft + (slidingBlockRight - slidingBlockLeft) / 2); slidingBlockLeft = center - slidingBlockDrawable.getIntrinsicWidth() / 2; slidingBlockRight = center + slidingBlockDrawable.getIntrinsicWidth() / 2; } slidingBlockDrawable.setBounds((int) slidingBlockLeft, getHeight() - slidingBlockDrawable.getIntrinsicHeight(), (int) slidingBlockRight, getHeight()); slidingBlockDrawable.draw(canvas); } } }