SystemUI: fix calculating alpha for back button in landscape mode. (1fae06e2) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarTransitions.java

+10 −5

Original line number	Diff line number	Diff line
		@@ -110,11 +110,16 @@ public final class NavigationBarTransitions extends BarTransitions {
		float backAlpha = 0;
		backAlpha = maxVisibleQuiescentAlpha(backAlpha, mView.getSearchLight());
		backAlpha = maxVisibleQuiescentAlpha(backAlpha, mView.getCameraButton());
		backAlpha = maxVisibleQuiescentAlpha(backAlpha, mView.findViewWithTag(NavbarEditor.NAVBAR_HOME));
		backAlpha = maxVisibleQuiescentAlpha(backAlpha, mView.findViewWithTag(NavbarEditor.NAVBAR_RECENT));
		backAlpha = maxVisibleQuiescentAlpha(backAlpha, mView.findViewWithTag(NavbarEditor.NAVBAR_CONDITIONAL_MENU));
		backAlpha = maxVisibleQuiescentAlpha(backAlpha, mView.findViewWithTag(NavbarEditor.NAVBAR_ALWAYS_MENU));
		backAlpha = maxVisibleQuiescentAlpha(backAlpha, mView.findViewWithTag(NavbarEditor.NAVBAR_MENU_BIG));
		backAlpha = maxVisibleQuiescentAlpha(backAlpha,
		mView.findButton(NavbarEditor.NAVBAR_HOME));
		backAlpha = maxVisibleQuiescentAlpha(backAlpha,
		mView.findButton(NavbarEditor.NAVBAR_RECENT));
		backAlpha = maxVisibleQuiescentAlpha(backAlpha,
		mView.findButton(NavbarEditor.NAVBAR_CONDITIONAL_MENU));
		backAlpha = maxVisibleQuiescentAlpha(backAlpha,
		mView.findButton(NavbarEditor.NAVBAR_ALWAYS_MENU));
		backAlpha = maxVisibleQuiescentAlpha(backAlpha,
		mView.findButton(NavbarEditor.NAVBAR_MENU_BIG));
		if (backAlpha > 0) {
		setKeyButtonViewQuiescentAlpha(NavbarEditor.NAVBAR_BACK, backAlpha, animate);
		}

packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java

+29 −25

Original line number	Diff line number	Diff line
		@@ -120,9 +120,9 @@ public class NavigationBarView extends LinearLayout {
		@Override
		public void startTransition(LayoutTransition transition, ViewGroup container,
		View view, int transitionType) {
		if (view == findViewWithTag(NavbarEditor.NAVBAR_BACK)) {
		if (view == findButton(NavbarEditor.NAVBAR_BACK)) {
		mBackTransitioning = true;
		} else if (view == findViewWithTag(NavbarEditor.NAVBAR_HOME)
		} else if (view == findButton(NavbarEditor.NAVBAR_HOME)
		&& transitionType == LayoutTransition.APPEARING) {
		mHomeAppearing = true;
		mStartDelay = transition.getStartDelay(transitionType);
		@@ -134,9 +134,9 @@ public class NavigationBarView extends LinearLayout {
		@Override
		public void endTransition(LayoutTransition transition, ViewGroup container,
		View view, int transitionType) {
		if (view == findViewWithTag(NavbarEditor.NAVBAR_BACK)) {
		if (view == findButton(NavbarEditor.NAVBAR_BACK)) {
		mBackTransitioning = false;
		} else if (view == findViewWithTag(NavbarEditor.NAVBAR_HOME)
		} else if (view == findButton(NavbarEditor.NAVBAR_HOME)
		&& transitionType == LayoutTransition.APPEARING) {
		mHomeAppearing = false;
		}
		@@ -145,11 +145,11 @@ public class NavigationBarView extends LinearLayout {
		public void onBackAltCleared() {
		// When dismissing ime during unlock, force the back button to run the same appearance
		// animation as home (if we catch this condition early enough).
		View backView = findViewWithTag(NavbarEditor.NAVBAR_BACK);
		View homeView = findViewWithTag(NavbarEditor.NAVBAR_HOME);
		View backView = findButton(NavbarEditor.NAVBAR_BACK);
		View homeView = findButton(NavbarEditor.NAVBAR_HOME);
		if (!mBackTransitioning && backView != null && backView.getVisibility() == VISIBLE
		&& mHomeAppearing && homeView != null && homeView.getAlpha() == 0) {
		findViewWithTag(NavbarEditor.NAVBAR_BACK).setAlpha(0);
		backView.setAlpha(0);
		ValueAnimator a = ObjectAnimator.ofFloat(backView, "alpha", 0, 1);
		a.setStartDelay(mStartDelay);
		a.setDuration(mDuration);
		@@ -315,19 +315,19 @@ public class NavigationBarView extends LinearLayout {
		}

		protected void updateButtonListeners() {
		View recentView = mCurrentView.findViewWithTag(NavbarEditor.NAVBAR_RECENT);
		View recentView = findButton(NavbarEditor.NAVBAR_RECENT);
		if (recentView != null) {
		recentView.setOnClickListener(mRecentsClickListener);
		recentView.setOnTouchListener(mRecentsPreloadListener);
		}
		View homeView = mCurrentView.findViewWithTag(NavbarEditor.NAVBAR_HOME);
		View homeView = findButton(NavbarEditor.NAVBAR_HOME);
		if (homeView != null) {
		homeView.setOnTouchListener(mHomeSearchActionListener);
		}
		}

		private void setButtonWithTagVisibility(Object tag, boolean visible) {
		View findView = mCurrentView.findViewWithTag(tag);
		private void setButtonVisibility(NavbarEditor.ButtonInfo info, boolean visible) {
		View findView = findButton(info);
		if (findView != null) {
		findView.setVisibility(visible ? View.VISIBLE : View.INVISIBLE);
		}
		@@ -347,7 +347,7 @@ public class NavigationBarView extends LinearLayout {
		mBackIcon = res.getDrawable(R.drawable.ic_sysbar_back);
		mBackLandIcon = res.getDrawable(R.drawable.ic_sysbar_back_land);
		mBackAltIcon = res.getDrawable(R.drawable.ic_sysbar_back_ime);
		mBackAltLandIcon = res.getDrawable(R.drawable.ic_sysbar_back_ime);
		mBackAltLandIcon = res.getDrawable(R.drawable.ic_sysbar_back_ime_land);
		mRecentIcon = res.getDrawable(R.drawable.ic_sysbar_recent);
		mRecentLandIcon = res.getDrawable(R.drawable.ic_sysbar_recent_land);
		}
		@@ -414,8 +414,8 @@ public class NavigationBarView extends LinearLayout {

		mNavigationIconHints = hints;

		ImageView backView = (ImageView) findViewWithTag(NavbarEditor.NAVBAR_BACK);
		ImageView recentView = (ImageView) findViewWithTag(NavbarEditor.NAVBAR_RECENT);
		ImageView backView = (ImageView) findButton(NavbarEditor.NAVBAR_BACK);
		ImageView recentView = (ImageView) findButton(NavbarEditor.NAVBAR_RECENT);

		if (backView != null) {
		backView.setImageDrawable(backAlt
		@@ -466,13 +466,13 @@ public class NavigationBarView extends LinearLayout {
		}
		}

		setButtonWithTagVisibility(NavbarEditor.NAVBAR_BACK, !disableBack);
		setButtonWithTagVisibility(NavbarEditor.NAVBAR_HOME, !disableHome);
		setButtonWithTagVisibility(NavbarEditor.NAVBAR_RECENT, !disableRecent);
		setButtonWithTagVisibility(NavbarEditor.NAVBAR_RECENT, !disableRecent);
		setButtonWithTagVisibility(NavbarEditor.NAVBAR_ALWAYS_MENU, !disableRecent);
		setButtonWithTagVisibility(NavbarEditor.NAVBAR_MENU_BIG, !disableRecent);
		setButtonWithTagVisibility(NavbarEditor.NAVBAR_SEARCH, !disableRecent);
		setButtonVisibility(NavbarEditor.NAVBAR_BACK, !disableBack);
		setButtonVisibility(NavbarEditor.NAVBAR_HOME, !disableHome);
		setButtonVisibility(NavbarEditor.NAVBAR_RECENT, !disableRecent);
		setButtonVisibility(NavbarEditor.NAVBAR_RECENT, !disableRecent);
		setButtonVisibility(NavbarEditor.NAVBAR_ALWAYS_MENU, !disableRecent);
		setButtonVisibility(NavbarEditor.NAVBAR_MENU_BIG, !disableRecent);
		setButtonVisibility(NavbarEditor.NAVBAR_SEARCH, !disableRecent);

		final boolean showSearch = disableHome && !disableSearch;
		final boolean showCamera = showSearch && !mCameraDisabledByDpm
		@@ -532,7 +532,7 @@ public class NavigationBarView extends LinearLayout {

		mShowMenu = show;

		setButtonWithTagVisibility(NavbarEditor.NAVBAR_CONDITIONAL_MENU, mShowMenu);
		setButtonVisibility(NavbarEditor.NAVBAR_CONDITIONAL_MENU, mShowMenu);
		}

		@Override
		@@ -631,6 +631,10 @@ public class NavigationBarView extends LinearLayout {
		setNavigationIconHints(mNavigationIconHints, true);
		}

		View findButton(NavbarEditor.ButtonInfo info) {
		return mCurrentView.findViewWithTag(info);
		}

		@Override
		protected void onLayout(boolean changed, int l, int t, int r, int b) {
		super.onLayout(changed, l, t, r, b);
		@@ -738,9 +742,9 @@ public class NavigationBarView extends LinearLayout {
		mVertical ? "true" : "false",
		mShowMenu ? "true" : "false"));

		dumpButton(pw, "back", mCurrentView.findViewWithTag(NavbarEditor.NAVBAR_BACK));
		dumpButton(pw, "home", mCurrentView.findViewWithTag(NavbarEditor.NAVBAR_HOME));
		dumpButton(pw, "rcnt", mCurrentView.findViewWithTag(NavbarEditor.NAVBAR_RECENT));
		dumpButton(pw, "back", findButton(NavbarEditor.NAVBAR_BACK));
		dumpButton(pw, "home", findButton(NavbarEditor.NAVBAR_HOME));
		dumpButton(pw, "rcnt", findButton(NavbarEditor.NAVBAR_RECENT));
		dumpButton(pw, "srch", getSearchLight());
		dumpButton(pw, "cmra", getCameraButton());