package com.huawei.android.hms.agent.common;
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import android.app.Activity;
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import android.app.Application;
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import android.os.Bundle;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Activity Management Class
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* 此类注册了activity的生命周期监听，用来获取最新的activity给后续逻辑处理使用 | This class registers the life cycle monitoring of the activity to obtain the latest activity for subsequent logical processing using
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*/
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public final class ActivityMgr implements Application.ActivityLifecycleCallbacks {
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/**
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* 单实例 | Single Instance
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*/
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public static final ActivityMgr INST = new ActivityMgr();
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private static final Object LOCK_LASTACTIVITIES = new Object();
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/**
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* 应用程序 | application
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*/
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private Application application;
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/**
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* 最新的activity列表，如果没有则为空列表 | Latest list of activity, if no, empty list
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*/
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private List<Activity> curActivities = new ArrayList<Activity>();
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/**
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* activity onResume Event Monitoring
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*/
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private List<IActivityResumeCallback> resumeCallbacks = new ArrayList<IActivityResumeCallback>();
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/**
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* activity onPause Event Monitoring
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*/
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private List<IActivityPauseCallback> pauseCallbacks = new ArrayList<IActivityPauseCallback>();
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/**
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* activity onDestroyed Event Monitoring
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*/
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private List<IActivityDestroyedCallback> destroyedCallbacks = new ArrayList<IActivityDestroyedCallback>();
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/**
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* 私有构造方法 | Private construction methods
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* 防止外面直接创建实例 | Prevent external instances from being created directly
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*/
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private ActivityMgr(){}
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/**
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* 初始化方法 | Initialization method
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* @param app 应用程序 | application
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*/
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public void init(Application app, Activity initActivity) {
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HMSAgentLog.d("init");
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if (application != null) {
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application.unregisterActivityLifecycleCallbacks(this);
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}
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application = app;
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setCurActivity(initActivity);
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app.registerActivityLifecycleCallbacks(this);
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}
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/**
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* 释放资源，一般不需要调用 | Frees resources, and generally does not need to call
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*/
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public void release() {
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HMSAgentLog.d("release");
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if (application != null) {
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application.unregisterActivityLifecycleCallbacks(this);
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}
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clearCurActivities();
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clearActivitResumeCallbacks();
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clearActivitPauseCallbacks();
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application = null;
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}
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/**
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* 注册activity onResume事件回调 | Registering an Activity Onresume event Callback
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* @param callback activity onResume事件回调 | Activity Onresume Event Callback
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*/
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public void registerActivitResumeEvent(IActivityResumeCallback callback) {
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HMSAgentLog.d("registerOnResume:" + StrUtils.objDesc(callback));
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resumeCallbacks.add(callback);
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}
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/**
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* 反注册activity onResume事件回调 | unregistration Activity Onresume Event Callback
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* @param callback 已经注册的 activity onResume事件回调 | Registered Activity Onresume Event callback
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*/
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public void unRegisterActivitResumeEvent(IActivityResumeCallback callback) {
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HMSAgentLog.d("unRegisterOnResume:" + StrUtils.objDesc(callback));
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resumeCallbacks.remove(callback);
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}
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/**
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* 注册activity onPause 事件回调 | Registering an Activity OnPause event Callback
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* @param callback activity onPause 事件回调 | Activity OnPause Event Callback
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*/
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public void registerActivitPauseEvent(IActivityPauseCallback callback) {
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HMSAgentLog.d("registerOnPause:" + StrUtils.objDesc(callback));
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pauseCallbacks.add(callback);
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}
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/**
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* 反注册activity onPause事件回调 | unregistration activity OnPause Event Callback
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* @param callback 已经注册的 activity onPause事件回调 | Registered Activity OnPause Event callback
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*/
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public void unRegisterActivitPauseEvent(IActivityPauseCallback callback) {
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HMSAgentLog.d("unRegisterOnPause:" + StrUtils.objDesc(callback));
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pauseCallbacks.remove(callback);
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}
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/**
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* 注册activity onDestroyed 事件回调 | Registering an Activity ondestroyed event Callback
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* @param callback activity onDestroyed 事件回调 | Activity Ondestroyed Event Callback
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*/
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public void registerActivitDestroyedEvent(IActivityDestroyedCallback callback) {
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HMSAgentLog.d("registerOnDestroyed:" + StrUtils.objDesc(callback));
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destroyedCallbacks.add(callback);
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}
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/**
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* 反注册activity onDestroyed 事件回调 | unregistration Activity ondestroyed Event Callback
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* @param callback 已经注册的 activity onDestroyed事件回调 | Registered Activity ondestroyed Event callback
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*/
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public void unRegisterActivitDestroyedEvent(IActivityDestroyedCallback callback) {
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HMSAgentLog.d("unRegisterOnDestroyed:" + StrUtils.objDesc(callback));
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destroyedCallbacks.remove(callback);
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}
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/**
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* 清空 activity onResume事件回调 | Clear Activity Onresume Event callback
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*/
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public void clearActivitResumeCallbacks() {
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HMSAgentLog.d("clearOnResumeCallback");
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resumeCallbacks.clear();
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}
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/**
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* 清空 activity onPause 事件回调 | Clear Activity OnPause Event callback
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*/
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public void clearActivitPauseCallbacks() {
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HMSAgentLog.d("clearOnPauseCallback");
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pauseCallbacks.clear();
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}
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/**
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* 获取最新的activity | Get the latest activity
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* @return 最新的activity | Latest activity
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*/
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public Activity getLastActivity() {
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return getLastActivityInner();
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}
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/**
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* activity onCreate 监听回调 | Activity OnCreate Listener Callback
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* @param activity 发生onCreate事件的activity | Activity that occurs OnCreate events
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* @param savedInstanceState 缓存状态数据 | Cached state data
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*/
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@Override
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public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
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HMSAgentLog.d("onCreated:" + StrUtils.objDesc(activity));
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setCurActivity(activity);
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}
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/**
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* activity onStart 监听回调 | Activity OnStart Listener Callback
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* @param activity 发生onStart事件的activity | Activity that occurs OnStart events
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*/
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@Override
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public void onActivityStarted(Activity activity) {
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HMSAgentLog.d("onStarted:" + StrUtils.objDesc(activity));
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setCurActivity(activity);
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}
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/**
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* activity onResume 监听回调 | Activity Onresume Listener Callback
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* @param activity 发生onResume事件的activity | Activity that occurs Onresume events
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*/
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@Override
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public void onActivityResumed(Activity activity) {
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HMSAgentLog.d("onResumed:" + StrUtils.objDesc(activity));
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setCurActivity(activity);
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List<IActivityResumeCallback> tmdCallbacks = new ArrayList<IActivityResumeCallback>(resumeCallbacks);
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for (IActivityResumeCallback callback : tmdCallbacks) {
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callback.onActivityResume(activity);
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}
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}
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/**
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* activity onPause 监听回调 | Activity OnPause Listener Callback
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* @param activity 发生onPause事件的activity | Activity that occurs OnPause events
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*/
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@Override
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public void onActivityPaused(Activity activity) {
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HMSAgentLog.d("onPaused:" + StrUtils.objDesc(activity));
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List<IActivityPauseCallback> tmdCallbacks = new ArrayList<IActivityPauseCallback>(pauseCallbacks);
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for (IActivityPauseCallback callback : tmdCallbacks) {
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callback.onActivityPause(activity);
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}
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}
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/**
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* activity onStop 监听回调 | Activity OnStop Listener Callback
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* @param activity 发生onStop事件的activity | Activity that occurs OnStop events
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*/
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@Override
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public void onActivityStopped(Activity activity) {
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HMSAgentLog.d("onStopped:" + StrUtils.objDesc(activity));
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}
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/**
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* activity onSaveInstanceState 监听回调 | Activity Onsaveinstancestate Listener Callback
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* @param activity 发生 onSaveInstanceState 事件的activity | Activity that occurs onsaveinstancestate events
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*/
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@Override
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public void onActivitySaveInstanceState(Activity activity, Bundle outState) {
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}
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/**
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* activity onDestroyed 监听回调 | Activity Ondestroyed Listener Callback
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* @param activity 发生 onDestroyed 事件的activity | Activity that occurs ondestroyed events
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*/
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@Override
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public void onActivityDestroyed(Activity activity) {
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HMSAgentLog.d("onDestroyed:" + StrUtils.objDesc(activity));
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removeActivity(activity);
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// activity onDestroyed 事件回调 | Activity Ondestroyed Event Callback
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List<IActivityDestroyedCallback> tmdCallbacks = new ArrayList<IActivityDestroyedCallback>(destroyedCallbacks);
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for (IActivityDestroyedCallback callback : tmdCallbacks) {
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callback.onActivityDestroyed(activity, getLastActivityInner());
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}
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}
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/**
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* 移除当前activity | Remove Current Activity
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* @param curActivity 要移除的activity | Activity to remove
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*/
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private void removeActivity(Activity curActivity) {
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synchronized (LOCK_LASTACTIVITIES) {
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curActivities.remove(curActivity);
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}
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}
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/**
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* 设置最新的activity | Set up the latest activity
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* @param curActivity 最新的activity | Latest activity
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*/
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private void setCurActivity(Activity curActivity) {
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synchronized (LOCK_LASTACTIVITIES) {
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int idxCurActivity = curActivities.indexOf(curActivity);
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if (idxCurActivity == -1) {
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curActivities.add(curActivity);
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} else if (idxCurActivity < curActivities.size()-1){
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curActivities.remove(curActivity);
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curActivities.add(curActivity);
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}
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}
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}
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/**
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* 获取最新的activity，如果没有则返回null | Gets the latest activity and returns null if not
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* @return 最新的activity | Latest activity
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*/
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private Activity getLastActivityInner(){
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synchronized (LOCK_LASTACTIVITIES) {
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if (curActivities.size() > 0) {
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return curActivities.get(curActivities.size()-1);
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} else {
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return null;
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}
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}
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}
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/**
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* 清理activities | Clean activities
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*/
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private void clearCurActivities(){
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synchronized (LOCK_LASTACTIVITIES) {
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curActivities.clear();
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}
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}
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}
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