private void restoreRotationStateLocked() {
try {
if (mInitialFrozenRotation != INITIAL_FROZEN_ROTATION_UNSPECIFIED) {
// Calling out with a lock held is fine since if the system
// process is gone the client calling in will be killed.
mWindowManager.freezeRotation(mInitialFrozenRotation);
} else {
// Calling out with a lock held is fine since if the system
// process is gone the client calling in will be killed.
mWindowManager.thawRotation();
}
} catch (RemoteException re) {
/* ignore */
}
}
private void handleToggleAutoRotateScreenPreferenceClick() {
boolean enableDefaultRotation = getResources().getBoolean(R.bool.config_enableDefaultRotation);
try {
IWindowManager wm =
IWindowManager.Stub.asInterface(ServiceManager.getService(Context.WINDOW_SERVICE));
if (mToggleAutoRotateScreenPreference.isChecked()) {
wm.thawRotation();
} else {
if (enableDefaultRotation) {
wm.freezeRotation(-1);
} else {
wm.freezeRotation(Surface.ROTATION_0);
}
}
} catch (RemoteException exc) {
Log.w(TAG, "Unable to save auto-rotate setting");
}
}
@Override
public boolean setRotation(int rotation) {
synchronized (mLock) {
throwIfCalledByNotTrustedUidLocked();
throwIfShutdownLocked();
throwIfNotConnectedLocked();
}
final long identity = Binder.clearCallingIdentity();
try {
if (rotation == UiAutomation.ROTATION_UNFREEZE) {
mWindowManager.thawRotation();
} else {
mWindowManager.freezeRotation(rotation);
}
return true;
} catch (RemoteException re) {
/* ignore */
} finally {
Binder.restoreCallingIdentity(identity);
}
return false;
}