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Turn off predictive back

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Test: m -j. Test back in apps that opt-in, opt-out & sysUI
Bug: 222170518

Change-Id: I97ae7769ff2e04eb7fb39c49e025b255cdba057f
This commit is contained in:
Shan Huang
2022-03-02 00:04:13 +00:00
parent bb72d0febd
commit ad89a82145
5 changed files with 19 additions and 4 deletions
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2
core/java/android/window/WindowOnBackInvokedDispatcher.java
View File

@@ -54,7 +54,7 @@ public class WindowOnBackInvokedDispatcher implements OnBackInvokedDispatcher {
private static final String TAG = "WindowOnBackDispatcher";
private static final String BACK_PREDICTABILITY_PROP = "persist.debug.back_predictability";
private static final boolean IS_BACK_PREDICTABILITY_ENABLED = SystemProperties
.getInt(BACK_PREDICTABILITY_PROP, 1) > 0;
.getInt(BACK_PREDICTABILITY_PROP, 0) > 0;
/** Convenience hashmap to quickly decide if a callback has been added. */
private final HashMap<OnBackInvokedCallback, Integer> mAllCallbacks = new HashMap<>();

3
libs/WindowManager/Shell/src/com/android/wm/shell/back/BackAnimationController.java
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@@ -52,6 +52,9 @@ import com.android.wm.shell.common.annotations.ShellMainThread;
*/
public class BackAnimationController implements RemoteCallable<BackAnimationController> {
private static final String BACK_PREDICTABILITY_PROP = "persist.debug.back_predictability";
public static final boolean IS_ENABLED = SystemProperties
.getInt(BACK_PREDICTABILITY_PROP, 0) > 0;
private static final String BACK_PREDICTABILITY_PROGRESS_THRESHOLD_PROP =
"persist.debug.back_predictability_progress_threshold";
private static final int PROGRESS_THRESHOLD = SystemProperties

7
libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellBaseModule.java
View File

@@ -699,7 +699,10 @@ public abstract class WMShellBaseModule {
Context context,
@ShellMainThread ShellExecutor shellExecutor
) {
return Optional.of(
new BackAnimationController(shellExecutor, context));
if (BackAnimationController.IS_ENABLED) {
return Optional.of(
new BackAnimationController(shellExecutor, context));
}
return Optional.empty();
}
}

9
packages/SystemUI/src/com/android/systemui/navigationbar/gestural/EdgeBackGestureHandler.java
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@@ -263,6 +263,15 @@ public class EdgeBackGestureHandler extends CurrentUserTracker
// Notify FalsingManager that an intentional gesture has occurred.
// TODO(b/186519446): use a different method than isFalseTouch
mFalsingManager.isFalseTouch(BACK_GESTURE);
// Only inject back keycodes when ahead-of-time back dispatching is disabled.
if (mBackAnimation == null) {
boolean sendDown = sendEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_BACK);
boolean sendUp = sendEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_BACK);
if (DEBUG_MISSING_GESTURE) {
Log.d(DEBUG_MISSING_GESTURE_TAG, "Triggered back: down="
+ sendDown + ", up=" + sendUp);
}
}
mOverviewProxyService.notifyBackAction(true, (int) mDownPoint.x,
(int) mDownPoint.y, false /* isButton */, !mIsOnLeftEdge);

2
services/core/java/com/android/server/wm/BackNavigationController.java
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@@ -53,7 +53,7 @@ class BackNavigationController {
* Returns true if the back predictability feature is enabled
*/
static boolean isEnabled() {
return SystemProperties.getInt(BACK_PREDICTABILITY_PROP, 1) > 0;
return SystemProperties.getInt(BACK_PREDICTABILITY_PROP, 0) > 0;
}
static boolean isScreenshotEnabled() {