Fix blank lockscreen. (0a27be89) · Commits · e / os / android_frameworks_base

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

+8 −0

Original line number	Diff line number	Diff line
		@@ -423,6 +423,7 @@ public class KeyguardPageSwipeHelper {
		return;
		}
		if (!animate) {
		view.animate().cancel();
		view.setAlpha(alpha);
		view.setScaleX(scale);
		view.setScaleY(scale);
		@@ -465,6 +466,13 @@ public class KeyguardPageSwipeHelper {
		}

		public void reset() {
		if (mSwipeAnimator != null) {
		mSwipeAnimator.cancel();
		}
		ArrayList<View> targetViews = mCallback.getTranslationViews();
		for (View view : targetViews) {
		view.animate().cancel();
		}
		setTranslation(0.0f, true);
		mSwipingInProgress = false;
		}

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

+47 −0

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@ import android.util.AttributeSet;
		import android.util.Log;
		import android.view.MotionEvent;
		import android.view.ViewConfiguration;
		import android.view.ViewTreeObserver;
		import android.view.animation.AnimationUtils;
		import android.view.animation.Interpolator;
		import android.widget.FrameLayout;
		@@ -67,6 +68,11 @@ public abstract class PanelView extends FrameLayout {
		private VelocityTrackerInterface mVelocityTracker;
		private FlingAnimationUtils mFlingAnimationUtils;

		/**
		* Whether an instant expand request is currently pending and we are just waiting for layout.
		*/
		private boolean mInstantExpanding;

		PanelBar mBar;

		protected int mMaxPanelHeight = -1;
		@@ -128,6 +134,9 @@ public abstract class PanelView extends FrameLayout {

		@Override
		public boolean onTouchEvent(MotionEvent event) {
		if (mInstantExpanding) {
		return false;
		}

		/*
		* We capture touch events here and update the expand height here in case according to
		@@ -263,6 +272,9 @@ public abstract class PanelView extends FrameLayout {

		@Override
		public boolean onInterceptTouchEvent(MotionEvent event) {
		if (mInstantExpanding) {
		return false;
		}

		/*
		* If the user drags anywhere inside the panel we intercept it if he moves his finger
		@@ -556,6 +568,41 @@ public abstract class PanelView extends FrameLayout {
		}
		}

		public void instantExpand() {
		mInstantExpanding = true;
		abortAnimations();
		if (mTracking) {
		onTrackingStopped(true /* expands */); // The panel is expanded after this call.
		onExpandingFinished();
		}
		setVisibility(VISIBLE);

		// Wait for window manager to pickup the change, so we know the maximum height of the panel
		// then.
		getViewTreeObserver().addOnGlobalLayoutListener(
		new ViewTreeObserver.OnGlobalLayoutListener() {
		@Override
		public void onGlobalLayout() {
		if (mStatusBar.getStatusBarWindow().getHeight()
		!= mStatusBar.getStatusBarHeight()) {
		getViewTreeObserver().removeOnGlobalLayoutListener(this);
		setExpandedFraction(1f);
		mInstantExpanding = false;
		}
		}
		});

		// Make sure a layout really happens.
		requestLayout();
		}

		private void abortAnimations() {
		cancelPeek();
		if (mHeightAnimator != null) {
		mHeightAnimator.cancel();
		}
		}

		protected void startUnlockHintAnimation() {

		// We don't need to hint the user if an animation is already running or the user is changing

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

+6 −15

Original line number	Diff line number	Diff line
		@@ -831,6 +831,10 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
		return mStatusBarView;
		}

		public StatusBarWindowView getStatusBarWindow() {
		return mStatusBarWindow;
		}

		@Override
		protected WindowManager.LayoutParams getSearchLayoutParams(LayoutParams layoutParams) {
		boolean opaque = false;
		@@ -2966,22 +2970,9 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,

		private void instantExpandNotificationsPanel() {

		// Make our window larger and the panel visible.
		// Make our window larger and the panel expanded.
		makeExpandedVisible(true);
		mNotificationPanel.setVisibility(View.VISIBLE);

		// Wait for window manager to pickup the change, so we know the maximum height of the panel
		// then.
		mNotificationPanel.getViewTreeObserver().addOnGlobalLayoutListener(
		new ViewTreeObserver.OnGlobalLayoutListener() {
		@Override
		public void onGlobalLayout() {
		if (mStatusBarWindow.getHeight() != getStatusBarHeight()) {
		mNotificationPanel.getViewTreeObserver().removeOnGlobalLayoutListener(this);
		mNotificationPanel.setExpandedFraction(1);
		}
		}
		});
		mNotificationPanel.instantExpand();
		}

		private void instantCollapseNotificationPanel() {