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Show back button when launcher is disconnected from proxy service

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Whenever service is disconnected, the back button will be shown. Once
the service is connected, launcher will decide whether or not to hide
the back button.

Test: adb shell am force-stop com.google.android.apps.nexuslauncher
Change-Id: Ic947e51c00abd9591c800aa1023b8d9684dc5d93
Fixes: 80098608
This commit is contained in:
Matthew Ng
2018-05-30 11:27:39 -07:00
parent d8f3889b28
commit 53896454ef
1 changed files with 8 additions and 3 deletions
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11
packages/SystemUI/src/com/android/systemui/OverviewProxyService.java
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@@ -166,9 +166,7 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
long token = Binder.clearCallingIdentity();
try {
mHandler.post(() -> {
for (int i = mConnectionCallbacks.size() - 1; i >= 0; --i) {
mConnectionCallbacks.get(i).onBackButtonAlphaChanged(alpha, animate);
}
notifyBackButtonAlphaChanged(alpha, animate);
});
} finally {
Binder.restoreCallingIdentity(token);
@@ -355,10 +353,17 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
mOverviewProxy.asBinder().unlinkToDeath(mOverviewServiceDeathRcpt, 0);
mContext.unbindService(mOverviewServiceConnection);
mOverviewProxy = null;
notifyBackButtonAlphaChanged(1f, false /* animate */);
notifyConnectionChanged();
}
}
private void notifyBackButtonAlphaChanged(float alpha, boolean animate) {
for (int i = mConnectionCallbacks.size() - 1; i >= 0; --i) {
mConnectionCallbacks.get(i).onBackButtonAlphaChanged(alpha, animate);
}
}
private void notifyConnectionChanged() {
for (int i = mConnectionCallbacks.size() - 1; i >= 0; --i) {
mConnectionCallbacks.get(i).onConnectionChanged(mOverviewProxy != null);