M7350/base/core/java/android/app/ActivityGroup.java

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2024-09-09 08:52:07 +00:00
/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.app;
import java.util.HashMap;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
/**
* A screen that contains and runs multiple embedded activities.
*/
public class ActivityGroup extends Activity {
private static final String TAG = "ActivityGroup";
private static final String STATES_KEY = "android:states";
static final String PARENT_NON_CONFIG_INSTANCE_KEY = "android:parent_non_config_instance";
/**
* This field should be made private, so it is hidden from the SDK.
* {@hide}
*/
protected LocalActivityManager mLocalActivityManager;
public ActivityGroup() {
this(true);
}
public ActivityGroup(boolean singleActivityMode) {
mLocalActivityManager = new LocalActivityManager(this, singleActivityMode);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Bundle states = savedInstanceState != null
? (Bundle) savedInstanceState.getBundle(STATES_KEY) : null;
mLocalActivityManager.dispatchCreate(states);
}
@Override
protected void onResume() {
super.onResume();
mLocalActivityManager.dispatchResume();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
Bundle state = mLocalActivityManager.saveInstanceState();
if (state != null) {
outState.putBundle(STATES_KEY, state);
}
}
@Override
protected void onPause() {
super.onPause();
mLocalActivityManager.dispatchPause(isFinishing());
}
@Override
protected void onStop() {
super.onStop();
mLocalActivityManager.dispatchStop();
}
@Override
protected void onDestroy() {
super.onDestroy();
mLocalActivityManager.dispatchDestroy(isFinishing());
}
/**
* Returns a HashMap mapping from child activity ids to the return values
* from calls to their onRetainNonConfigurationInstance methods.
*
* {@hide}
*/
@Override
public HashMap<String,Object> onRetainNonConfigurationChildInstances() {
return mLocalActivityManager.dispatchRetainNonConfigurationInstance();
}
public Activity getCurrentActivity() {
return mLocalActivityManager.getCurrentActivity();
}
public final LocalActivityManager getLocalActivityManager() {
return mLocalActivityManager;
}
@Override
void dispatchActivityResult(String who, int requestCode, int resultCode,
Intent data) {
if (who != null) {
Activity act = mLocalActivityManager.getActivity(who);
/*
if (Config.LOGV) Log.v(
TAG, "Dispatching result: who=" + who + ", reqCode=" + requestCode
+ ", resCode=" + resultCode + ", data=" + data
+ ", rec=" + rec);
*/
if (act != null) {
act.onActivityResult(requestCode, resultCode, data);
return;
}
}
super.dispatchActivityResult(who, requestCode, resultCode, data);
}
}