Add null checks before using mViewMediatorCallback. (7def1db0) · Commits · e / os / android_frameworks_base

policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java

+20 −7

Original line number	Diff line number	Diff line
		@@ -123,8 +123,10 @@ public class KeyguardHostView extends KeyguardViewBase {
		@Override
		protected void dispatchDraw(Canvas canvas) {
		super.dispatchDraw(canvas);
		if (mViewMediatorCallback != null) {
		mViewMediatorCallback.keyguardDoneDrawing();
		}
		}

		private int getWidgetPosition(int id) {
		final int children = mAppWidgetContainer.getChildCount();
		@@ -230,8 +232,10 @@ public class KeyguardHostView extends KeyguardViewBase {
		private KeyguardSecurityCallback mCallback = new KeyguardSecurityCallback() {

		public void userActivity(long timeout) {
		if (mViewMediatorCallback != null) {
		mViewMediatorCallback.pokeWakelock(timeout);
		}
		}

		public void dismiss(boolean authenticated) {
		showNextSecurityScreenOrFinish(authenticated);
		@@ -450,9 +454,11 @@ public class KeyguardHostView extends KeyguardViewBase {
		mLaunchRunnable.run();
		mLaunchRunnable = null;
		}
		if (mViewMediatorCallback != null) {
		mViewMediatorCallback.keyguardDone(true);
		}
		}
		}

		private OnClickHandler mOnClickHandler = new OnClickHandler() {
		@Override
		@@ -541,7 +547,9 @@ public class KeyguardHostView extends KeyguardViewBase {
		oldView.onPause();
		newView.onResume();

		if (mViewMediatorCallback != null) {
		mViewMediatorCallback.setNeedsInput(newView.needsInput());
		}

		// Find and show this child.
		final int childCount = mSecurityViewContainer.getChildCount();
		@@ -624,9 +632,10 @@ public class KeyguardHostView extends KeyguardViewBase {
		if (keyCode == KeyEvent.KEYCODE_MENU && isSecure()) {
		if (DEBUG) Log.d(TAG, "switching screens to unlock screen because wake key was MENU");
		showSecurityScreen(SecurityMode.None);
		mViewMediatorCallback.pokeWakelock();
		} else {
		if (DEBUG) Log.d(TAG, "poking wake lock immediately");
		}
		if (mViewMediatorCallback != null) {
		mViewMediatorCallback.pokeWakelock();
		}
		}
		@@ -635,11 +644,15 @@ public class KeyguardHostView extends KeyguardViewBase {
		public void verifyUnlock() {
		SecurityMode securityMode = mSecurityModel.getSecurityMode();
		if (securityMode == KeyguardSecurityModel.SecurityMode.None) {
		if (mViewMediatorCallback != null) {
		mViewMediatorCallback.keyguardDone(true);
		}
		} else if (securityMode != KeyguardSecurityModel.SecurityMode.Pattern
		&& securityMode != KeyguardSecurityModel.SecurityMode.Password) {
		// can only verify unlock when in pattern/password mode
		if (mViewMediatorCallback != null) {
		mViewMediatorCallback.keyguardDone(false);
		}
		} else {
		// otherwise, go to the unlock screen, see if they can verify it
		mIsVerifyUnlockOnly = true;