Android关闭所有activity的方法，利用baseActivity

public class TFBaseActivity extends AppCompatActivity {

public final static String INIENT_FINISH = "com.allfinish.method.finish";

@Override

protected void onCreate(@Nullable Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

this.initFinishReceiver();

}

public void initFinishReceiver() {

IntentFilter filter = new IntentFilter();

filter.addAction(INIENT_FINISH);

registerReceiver(mFinishReceiver, filter);

}

public BroadcastReceiver mFinishReceiver = new BroadcastReceiver() {

@Override

public void onReceive(Context context, Intent intent) {

if (INIENT_FINISH.equals(intent.getAction())) {

finish();

}

}

};

}

然后，所有的activity继承这个baseActivity就可以了。如果想退出app，只要发一个广播就可以了

Intent i = new Intent(com.allfinish.method.finish);

sendBroadcast(i);