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Merge "Prevent NPE in NavigationBar" into sc-v2-dev

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This commit is contained in:
Dave Mankoff
2021-09-23 19:53:07 +00:00
committed by Android (Google) Code Review
parent e90025458d eec420a375
commit 43057f8d5c
2 changed files with 24 additions and 5 deletions
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10
packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBar.java
View File

@@ -712,6 +712,7 @@ public class NavigationBar implements View.OnAttachStateChangeListener,
mHandler.removeCallbacks(mAutoDim); mHandler.removeCallbacks(mAutoDim);
mHandler.removeCallbacks(mOnVariableDurationHomeLongClick); mHandler.removeCallbacks(mOnVariableDurationHomeLongClick);
mHandler.removeCallbacks(mEnableLayoutTransitions); mHandler.removeCallbacks(mEnableLayoutTransitions);
mNavigationBarA11yHelper.removeA11yEventListener(mAccessibilityListener);
mFrame = null; mFrame = null;
mNavigationBarView = null; mNavigationBarView = null;
mOrientationHandle = null; mOrientationHandle = null;
@@ -1391,10 +1392,11 @@ public class NavigationBar implements View.OnAttachStateChangeListener,
void updateAccessibilityServicesState() { void updateAccessibilityServicesState() {
int a11yFlags = mNavigationBarA11yHelper.getA11yButtonState(); int a11yFlags = mNavigationBarA11yHelper.getA11yButtonState();
boolean clickable = (a11yFlags & SYSUI_STATE_A11Y_BUTTON_CLICKABLE) != 0; if (mNavigationBarView != null) {
boolean longClickable = (a11yFlags & SYSUI_STATE_A11Y_BUTTON_LONG_CLICKABLE) != 0; boolean clickable = (a11yFlags & SYSUI_STATE_A11Y_BUTTON_CLICKABLE) != 0;
mNavigationBarView.setAccessibilityButtonState(clickable, longClickable); boolean longClickable = (a11yFlags & SYSUI_STATE_A11Y_BUTTON_LONG_CLICKABLE) != 0;
mNavigationBarView.setAccessibilityButtonState(clickable, longClickable);
}
updateSystemUiStateFlags(a11yFlags); updateSystemUiStateFlags(a11yFlags);
} }

19
packages/SystemUI/tests/src/com/android/systemui/navigationbar/NavigationBarTest.java
View File

@@ -56,6 +56,7 @@ import android.testing.TestableLooper.RunWithLooper;
import android.view.Display; import android.view.Display;
import android.view.DisplayInfo; import android.view.DisplayInfo;
import android.view.MotionEvent; import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager; import android.view.WindowManager;
import android.view.WindowMetrics; import android.view.WindowMetrics;
import android.view.accessibility.AccessibilityManager; import android.view.accessibility.AccessibilityManager;
@@ -122,6 +123,8 @@ public class NavigationBarTest extends SysuiTestCase {
EdgeBackGestureHandler.Factory mEdgeBackGestureHandlerFactory; EdgeBackGestureHandler.Factory mEdgeBackGestureHandlerFactory;
@Mock @Mock
EdgeBackGestureHandler mEdgeBackGestureHandler; EdgeBackGestureHandler mEdgeBackGestureHandler;
@Mock
NavigationBarA11yHelper mNavigationBarA11yHelper;
@Rule @Rule
public final LeakCheckedTest.SysuiLeakCheck mLeakCheck = new LeakCheckedTest.SysuiLeakCheck(); public final LeakCheckedTest.SysuiLeakCheck mLeakCheck = new LeakCheckedTest.SysuiLeakCheck();
@@ -256,6 +259,20 @@ public class NavigationBarTest extends SysuiTestCase {
assertFalse((defaultNavBar.getNavigationIconHints() & NAVIGATION_HINT_IME_SHOWN) != 0); assertFalse((defaultNavBar.getNavigationIconHints() & NAVIGATION_HINT_IME_SHOWN) != 0);
} }
@Test
public void testA11yEventAfterDetach() {
View v = mNavigationBar.createView(null);
mNavigationBar.onViewAttachedToWindow(v);
verify(mNavigationBarA11yHelper).registerA11yEventListener(any(
NavigationBarA11yHelper.NavA11yEventListener.class));
mNavigationBar.onViewDetachedFromWindow(v);
verify(mNavigationBarA11yHelper).removeA11yEventListener(any(
NavigationBarA11yHelper.NavA11yEventListener.class));
// Should be safe even though the internal view is now null.
mNavigationBar.updateAccessibilityServicesState();
}
private NavigationBar createNavBar(Context context) { private NavigationBar createNavBar(Context context) {
DeviceProvisionedController deviceProvisionedController = DeviceProvisionedController deviceProvisionedController =
mock(DeviceProvisionedController.class); mock(DeviceProvisionedController.class);
@@ -287,7 +304,7 @@ public class NavigationBarTest extends SysuiTestCase {
mHandler, mHandler,
mock(NavigationBarOverlayController.class), mock(NavigationBarOverlayController.class),
mUiEventLogger, mUiEventLogger,
mock(NavigationBarA11yHelper.class), mNavigationBarA11yHelper,
mock(UserTracker.class))); mock(UserTracker.class)));
} }