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Unverified Commit 0198ea53 authored by Jesse Chan's avatar Jesse Chan Committed by Michael Bestas
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Add an option to force pre-O apps to use full screen aspect ratio 

When an app target pre-O releases, the default max aspect ratio
is 1.86:1 which leads to ugly black areas on devices that have
screens with higher aspect ratio (for example Galaxy S8/S9).

This change adds an option to allow users to change aspect ratio
for pre-O apps to full screen aspect ratio.

Change-Id: I41d5408841593a12443be885e11959bffaebb67b
parent 039169e3

services/core/java/com/android/server/wm/ActivityRecord.java

+3 −1
Original line number Diff line number Diff line
@@ -9317,7 +9317,9 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A 
        int activityHeight = containingAppHeight;



        if (containingRatio - desiredAspectRatio > ASPECT_RATIO_ROUNDING_TOLERANCE) {

            if (containingAppWidth < containingAppHeight) {

            if (mAtmService.shouldForceLongScreen(packageName)) {

                // Use containingAppWidth/Height for maxActivityWidth/Height when force long screen

            } else if (containingAppWidth < containingAppHeight) {

                // Width is the shorter side, so we use that to figure-out what the max. height

                // should be given the aspect ratio.

                activityHeight = (int) ((activityWidth * desiredAspectRatio) + 0.5f);

services/core/java/com/android/server/wm/ActivityTaskManagerService.java

+13 −0
Original line number Diff line number Diff line
@@ -280,6 +280,8 @@ import com.android.server.uri.NeededUriGrants; 
import com.android.server.uri.UriGrantsManagerInternal;

import com.android.server.wallpaper.WallpaperManagerInternal;



import org.lineageos.internal.applications.LineageActivityManager;



import java.io.BufferedReader;

import java.io.File;

import java.io.FileDescriptor;
@@ -790,6 +792,9 @@ public class ActivityTaskManagerService extends IActivityTaskManager.Stub { 


    private Set<Integer> mProfileOwnerUids = new ArraySet<Integer>();



    // Lineage sdk activity related helper

    private LineageActivityManager mLineageActivityManager;



    private final class SettingObserver extends ContentObserver {

        private final Uri mFontScaleUri = Settings.System.getUriFor(FONT_SCALE);

        private final Uri mHideErrorDialogsUri = Settings.Global.getUriFor(HIDE_ERROR_DIALOGS);
@@ -887,6 +892,10 @@ public class ActivityTaskManagerService extends IActivityTaskManager.Stub { 


    public void installSystemProviders() {

        mSettingsObserver = new SettingObserver();



        // LineageActivityManager depends on settings so we can initialize only

        // after providers are available.

        mLineageActivityManager = new LineageActivityManager(mContext);

    }



    public void retrieveSettings(ContentResolver resolver) {
@@ -7141,4 +7150,8 @@ public class ActivityTaskManagerService extends IActivityTaskManager.Stub { 
            ActivityTaskManagerService.this.unregisterTaskStackListener(listener);

        }

    }



    public boolean shouldForceLongScreen(String packageName) {

        return mLineageActivityManager.shouldForceLongScreen(packageName);

    }

}