1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.app.sdksandbox.sdkprovider; 18 19 import android.annotation.NonNull; 20 import android.app.Activity; 21 import android.os.Build; 22 import android.os.Bundle; 23 import android.os.IBinder; 24 import android.view.View; 25 26 import androidx.annotation.RequiresApi; 27 28 /** 29 * This is used to notify the SDK when an {@link Activity} is created for it. 30 * 31 * <p>When an SDK wants to start an {@link Activity}, it should register an implementation of this 32 * class by calling {@link 33 * SdkSandboxController#registerSdkSandboxActivityHandler(SdkSandboxActivityHandler)} that will 34 * return an {@link android.os.IBinder} identifier for the registered {@link 35 * SdkSandboxActivityHandler} to The SDK. 36 * 37 * <p>The SDK should be notified about the {@link Activity} creation by calling {@link 38 * SdkSandboxActivityHandler#onActivityCreated(Activity)} which happens when the caller app calls 39 * {@link android.app.sdksandbox.SdkSandboxManager#startSdkSandboxActivity(Activity, IBinder)} using 40 * the same {@link IBinder} identifier for the registered {@link SdkSandboxActivityHandler}. 41 */ 42 @RequiresApi(Build.VERSION_CODES.UPSIDE_DOWN_CAKE) 43 public interface SdkSandboxActivityHandler { 44 /** 45 * Notifies SDK when an {@link Activity} gets created. 46 * 47 * <p>This function is called synchronously from the main thread of the {@link Activity} that is 48 * getting created. 49 * 50 * <p>SDK is expected to call {@link Activity#setContentView(View)} to the passed {@link 51 * Activity} object to populate the view. 52 * 53 * <p>If SDK registers lifecycle callbacks over the passed {@link Activity} object using {@link 54 * Activity#registerActivityLifecycleCallbacks( 55 * android.app.Application.ActivityLifecycleCallbacks)}, it is important to note that {@link 56 * android.app.Application.ActivityLifecycleCallbacks#onActivityPreCreated(Activity, Bundle)} 57 * and {@link android.app.Application.ActivityLifecycleCallbacks#onActivityCreated(Activity, 58 * Bundle)} will not be triggered as {@link #onActivityCreated(Activity)} is called at the 59 * {@link Activity} creation stage. Then to know about the Activity state, SDKs should override 60 * {@link android.app.Application.ActivityLifecycleCallbacks#onActivityPostCreated(Activity, 61 * Bundle)}. 62 * 63 * @param activity the {@link Activity} gets created 64 */ onActivityCreated(@onNull Activity activity)65 void onActivityCreated(@NonNull Activity activity); 66 } 67