// AndroidMainifest.xmlÖеÄActivityÅäÖýøÐÐÉèÖÃ

<activity

android:launchMode="singleTask"
//ÊôÐÔ
//standard£º±ê׼ģʽ
//singleTop£ºÕ»¶¥¸´ÓÃģʽ
//singleTask£ºÕ»ÄÚ¸´ÓÃģʽ
//singleInstance£ºµ¥Àýģʽ
//Èç²»ÉèÖã¬ActivityµÄÆô¶¯Ä£Ê½Ä¬ÈÏΪ ±ê׼ģʽ£¨standard£©
</activity>

// Ôڸ÷½·¨´«ÈëÒ»±ê־λ±êʶÊÇ·ñÒªÍ˳öApp & ¹Ø±Õ×ÔÉí
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
if (intent != null) {
// ÊÇ·ñÍ˳öAppµÄ±êʶ
boolean isExitApp = intent.getBooleanExtra("exit", false);
if (isExitApp) {
// ¹Ø±Õ×ÔÉí
this.finish();
}
}
}

private void exitApp() {
Intent intent = new Intent(context, MainActivity.class);
intent.putExtra("exit", true);
context.startActivity(intent);

// ½áÊø½ø³Ì
// System.exit(0);
}

// ÉèÖà °´Å¥ Ìøתµ½Activity2
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
startActivity(new Intent(MainActivity.this, Activity2.class));

}

});
}

// ÔÚonNewIntent£¨£©´«ÈëÒ»±êʶ·û
// ×÷Ó㺱êʶÊÇ·ñÒªÍ˳öApp
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
if (intent != null) {
// ÊÇ·ñÍ˳öAppµÄ±êʶ
boolean isExitApp = intent.getBooleanExtra("exit", false);
if (isExitApp) {
// ¹Ø±Õ×ÔÉí
this.finish();
}
}
// ½áÊø½ø³Ì
// System.exit(0);
}
}

// µ±ÐèÒªÍ˳öʱ£¬Æô¶¯Èë¿ÚActivity
Intent intent = new Intent();
intent.setClass(Activity2.this, MainActivity.class);

// ÉèÖñê¼Çλ
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
// ²½Öè1£º¸Ã±ê¼Çλ×÷ÓãºÏú»ÙÄ¿±êActivityºÍËüÖ®ÉϵÄËùÓÐActivity£¬ÖØд´½¨Ä¿±êActivity

intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
// ²½Öè2£ºÈôÆô¶¯µÄActivityλÓÚÈÎÎñÕ»Õ»¶¥£¬ÄÇô´ËActivityµÄʵÀý¾Í²»»áÖؽ¨£¬¶øÊÇÖØÓÃÕ»¶¥µÄʵÀý( µ÷ÓÃʵÀýµÄ onNewIntent() )

// ÔÚ²½Öè1ÖУºMainActivityµÄÉϲãµÄActivity2»á±»Ïú»Ù£¬´ËʱMainActivityλÓÚÕ»¶¥£»ÓÉÓÚ²½Öè2µÄÉèÖã¬ËùÒÔ²»»áн¨MainActivity¶øÊÇÖØÓÃÕ»¶¥µÄʵÀý&µ÷ÓÃʵonNewIntent()

// ´«Èë×Ô¼ºÉèÖõÄÍ˳öApp±êʶ
intent.putExtra("exit", true);

startActivity(intent);

@TargetApi(Build.VERSION_CODES.LOLLIPOP)

// 1. ͨ¹ýContext»ñÈ¡ActivityManager
ActivityManager activityManager = (ActivityManager) context.getApplicationContext().getSystemService

(Context.ACTIVITY_SERVICE);

// 2. ͨ¹ýActivityManager»ñÈ¡ÈÎÎñÕ»
List<ActivityManager.AppTask> appTaskList = activity

Manager.getAppTasks();

// 3. Öð¸ö¹Ø±ÕActivity
for (ActivityManager.AppTask appTask : appTaskList) {
appTask.finishAndRemoveTask();
}
// 4. ½áÊø½ø³Ì
// System.exit(0);

public class ExitAppReceiver extends BroadcastReceiver {
private Activity activity;

public ExitAppReceiver(Activity activity){
this.activity = activity;
}

@Override
public void onReceive(Context context, Intent intent) {
activity.finish();
}
}

public class Activity extends AppCompatActivity {

private ExitAppReceiver mExitAppReceiver£»

// 1. ÔÚonCreate£¨£©ÖÐ×¢²á¹ã²¥½ÓÊÕÆ÷
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

mExitAppReceiver = new ExitAppReceiver(this);
registerReceiver(mExitAppReceiver,new IntentFilter(BaseApplication.EXIT));
}

// 1. ÔÚonDestroy£¨£©ÖÐ×¢Ïú¹ã²¥½ÓÊÕÆ÷
protected void onDestroy() {
super.onDestroy();
unregisterReceiver(mExitAppReceive);
}

context.sendBroadcast(new Intent(BaseApplication.EXIT));
// ×¢£º´Ë´¦²»ÄÜʹÓãºSystem.exit(0);½áÊø½ø³Ì
// Ô­Òò£º·¢Ë͹㲥Õâ¸ö·½·¨Ö®ºó£¬²»»áµÈµ½¹ã²¥½ÓÊÕÆ÷ÊÕµ½¹ã²¥£¬³ÌÐò¾Í¿ªÊ¼Ö´ÐÐÏÂÒ»¾äSystem.exit(0)£¬È»ºó¾ÍÖ±½Ó±ä³ÉÖ´ÐÐSystem.exit(0)µÄЧ¹ûÁË¡£

public class Carson_BaseApplicaiton extends Application {

// ´Ë´¦²ÉÓà LinkedList×÷ΪÈÝÆ÷£¬ÔöɾËٶȿì
public static LinkedList<Activity> activityLinkedList;

@Override
public void onCreate() {
super.onCreate();

activityLinkedList = new LinkedList<>();

registerActivityLifecycleCallbacks(new ActivityLifecycleCallbacks() {
@Override
public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
Log.d(TAG, "onActivityCreated: " + activity.getLocalClassName());
activityLinkedList.add(activity);
// ÔÚActivityÆô¶¯Ê±£¨onCreate()£© дÈëActivityʵÀýµ½ÈÝÆ÷ÄÚ
}

@Override
public void onActivityDestroyed(Activity activity) {
Log.d(TAG, "onActivityDestroyed: " + activity.getLocalClassName());
activityLinkedList.remove(activity);
// ÔÚActivity½áÊøʱ£¨Destroyed£¨£©£© д³öActivityʵÀý
}

@Override
public void onActivityStarted(Activity activity) {
}

@Override
public void onActivityResumed(Activity activity) {
}

@Override
public void onActivityPaused(Activity activity) {
}

@Override
public void onActivityStopped(Activity activity) {
}

@Override
public void onActivitySaveInstanceState(Activity activity, Bundle outState) {

}

});
}

public void exitApp() {

Log.d(TAG, "ÈÝÆ÷ÄÚµÄActivityÁбíÈçÏ ");
// ÏÈ´òÓ¡µ±Ç°ÈÝÆ÷ÄÚµÄActivityÁбí
for (Activity activity : activityLinkedList) {
Log.d(TAG, activity.getLocalClassName());
}

Log.d(TAG, "ÕýÖð²½Í˳öÈÝÆ÷ÄÚËùÓÐActivity");

// Öð¸öÍ˳öActivity
for (Activity activity : activityLinkedList) {
activity.finish();
}

// ½áÊø½ø³Ì
// System.exit(0);
}
}

// ¼ÇµÃÔÚManifest.xmlÖÐÌí¼Ó
<application
android:name=".Carson_BaseApplicaiton"
....
</application>

private Carson_BaseApplicaiton app;

app = (Carson_BaseApplicaiton)getApplication();
app.exitApp();

public class Activity extends AppCompatActivity {
private Disposable disposable;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity2);

// ×¢²áRxBus¶©ÔÄ
disposable = RxBus.getInstance().toObservable(String.class)
.subscribe(new Consumer<String>() {
@Override
public void accept(String s) throws Exception {
// ÏìÓ¦¶¯×÷ = ¹Ø±Õ×ÔÉí
if (s.equals("exit")){
finish();
}
}
});
}

// ×¢ÒâÒ»¶¨ÒªÈ¡Ïû¶©ÔÄ
@Override
protected void onDestroy() {
if (!disposable.isDisposed()){
disposable.dispose();;
}
}

RxBus.getInstance().post("exit");
System.exit(0);

// ·½Ê½1£ºandroid.os.Process.killProcess£¨£©
android.os.Process.killProcess(android.os.

Process.myPid()) £»

// ·½Ê½2£ºSystem.exit()
// System.exit() = JavaÖнáÊø½ø³ÌµÄ·½·¨£º

¹Ø±Õµ±Ç°JVMÐéÄâ»ú
System.exit(0);

// System.exit(0)ºÍSystem.exit(1)µÄÇø±ð
// 1. System.exit(0)£ºÕý³£Í˳ö£»
// 2. System.exit(1)£º·ÇÕý³£Í˳ö£¬Í¨³£ÕâÖÖÍ˳ö·½Ê½

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