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Allow current IME to start background activity

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Current active IME should be always allowed to start activity,
like IME settings.

Bug: 159433730
Bug: 168397303
Test: Click home button, then click on any edit text on home screen and
open IME setting from IME, setting app is not blocked / delayed.

Change-Id: I959cdca58489701453f645a02de0c4879661029b
This commit is contained in:
Ricky Wai
2020-11-16 12:12:57 +00:00
parent 5de129f2a1
commit 142344cc1c
2 changed files with 24 additions and 0 deletions
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9
services/core/java/com/android/server/wm/ActivityStarter.java
View File

@@ -1284,6 +1284,15 @@ class ActivityStarter {
return false;
}
// IME should always be allowed to start activity, like IME settings.
final WindowState imeWindow = mRootWindowContainer.getCurrentInputMethodWindow();
if (imeWindow != null && callingAppId == imeWindow.mOwnerUid) {
if (DEBUG_ACTIVITY_STARTS) {
Slog.d(TAG, "Activity start allowed for active ime (" + callingUid + ")");
}
return false;
}
// App switching will be allowed if BAL app switching flag is not enabled, or if
// its app switching rule allows it.
// This is used to block background activity launch even if the app is still

15
services/tests/wmtests/src/com/android/server/wm/ActivityStarterTests.java
View File

@@ -123,6 +123,7 @@ public class ActivityStarterTests extends WindowTestsBase {
private static final String FAKE_CALLING_PACKAGE = "com.whatever.dude";
private static final int UNIMPORTANT_UID = 12345;
private static final int UNIMPORTANT_UID2 = 12346;
private static final int CURRENT_IME_UID = 12347;
@Before
public void setUp() throws Exception {
@@ -307,6 +308,12 @@ public class ActivityStarterTests extends WindowTestsBase {
return prepareStarter(launchFlags, true /* mockGetLaunchStack */);
}
private void setupImeWindow() {
final WindowState imeWindow = createWindow(null, W_INPUT_METHOD,
"mImeWindow", CURRENT_IME_UID);
mDisplayContent.mInputMethodWindow = imeWindow;
}
/**
* Creates a {@link ActivityStarter} with default parameters and necessary mocks.
*
@@ -638,6 +645,14 @@ public class ActivityStarterTests extends WindowTestsBase {
UNIMPORTANT_UID, false, PROCESS_STATE_TOP + 1,
UNIMPORTANT_UID2, false, PROCESS_STATE_TOP + 1,
false, false, false, false, true);
setupImeWindow();
runAndVerifyBackgroundActivityStartsSubtest(
"disallowed_callingPackageNameIsIme_notAborted", false,
CURRENT_IME_UID, false, PROCESS_STATE_TOP + 1,
UNIMPORTANT_UID2, false, PROCESS_STATE_TOP + 1,
false, false, false, false, false);
}
private void runAndVerifyBackgroundActivityStartsSubtest(String name, boolean shouldHaveAborted,