DO NOT MERGE Kill most processes when display size changes (d4a38658) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityManagerInternal.java

+5 −0

Original line number	Diff line number	Diff line
		@@ -413,4 +413,9 @@ public abstract class ActivityManagerInternal {
		* @return The intent used to launch the home activity.
		*/
		public abstract Intent getHomeIntent();

		/**
		* WindowManager notifies AM when display size of the default display changes.
		*/
		public abstract void notifyDefaultDisplaySizeChanged();
		}

+15 −0

Original line number	Diff line number	Diff line
		@@ -26739,6 +26739,21 @@ public class ActivityManagerService extends IActivityManager.Stub
		return ActivityManagerService.this.getHomeIntent();
		}
		}

		@Override
		public void notifyDefaultDisplaySizeChanged() {
		synchronized (this) {
		if (mSystemServiceManager.isBootCompleted()) {
		Slog.i(TAG, "Killing processes because of display size change");
		killAllBackgroundProcessesExcept(-1, ActivityManager.PROCESS_STATE_SERVICE);

		// TODO: Ugly hack to unblock the release
		if (mHomeProcess != null) {
		removeProcessLocked(mHomeProcess, false, true, "kill home screen size");
		}
		}
		}
		}
		}

		/**

+7 −2

Original line number	Diff line number	Diff line
		@@ -1775,8 +1775,9 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		final int newDensity = mDisplayInfo.logicalDensityDpi;
		final DisplayCutout newCutout = mDisplayInfo.displayCutout;

		final boolean displayMetricsChanged = mInitialDisplayWidth != newWidth
		\|\| mInitialDisplayHeight != newHeight
		final boolean sizeChanged = mInitialDisplayWidth != newWidth
		\|\| mInitialDisplayHeight != newHeight;
		final boolean displayMetricsChanged = sizeChanged
		\|\| mInitialDisplayDensity != mDisplayInfo.logicalDensityDpi
		\|\| !Objects.equals(mInitialDisplayCutout, newCutout);

		@@ -1798,6 +1799,10 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		mInitialDisplayCutout = newCutout;
		mService.reconfigureDisplayLocked(this);
		}

		if (isDefaultDisplay && sizeChanged) {
		mService.mH.post(mService.mAmInternal::notifyDefaultDisplaySizeChanged);
		}
		}

		/** Sets the maximum width the screen resolution can be */