Android关闭应用中的所有Activity(二)

来源：互联网发布：在淘宝卖食品需要什么编辑：程序博客网时间：2024/05/18 02:56

BaseActivity如下:

package cn.testmanageactivity;import android.app.Activity;import android.os.Bundle;/** * Demo描述: * 通过继承BaseActivity,在某个Activity中按下Back * 键时关闭所有Activity,从而退出应用 * 主要方法: * 在BaseActivity的onRestart()生命周期方法中 * 调用finish(). */public class BaseActivity extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);}@Overrideprotected void onRestart() {super.onRestart();finish();}}

FirstActivity如下:

package cn.testmanageactivity;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class FirstActivity extends BaseActivity {   private Button mButton;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.firstactivity);init();}private void init(){mButton=(Button) findViewById(R.id.firstButton);mButton.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View view) {                Intent intent=new Intent(FirstActivity.this,SecondActivity.class);                startActivityForResult(intent, 9527);}});}@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {super.onActivityResult(requestCode, resultCode, data);System.out.println("FirstActivity 执行方法onActivityResult()," +"此时收到来自SecondActivity消亡时传回的数据:test="+data.getStringExtra("test"));}@Overrideprotected void onDestroy() {super.onDestroy();System.out.println("onDestroy()--->"+this.toString());}}

SecondActivity如下:

package cn.testmanageactivity;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class SecondActivity extends BaseActivity {   private Button mButton;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.secondactivity);init();}private void init(){mButton=(Button) findViewById(R.id.secondButton);mButton.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View view) {                Intent intent=new Intent(SecondActivity.this,ThirdActivity.class);                startActivity(intent);}});}/** * 注意: * 在此要先完成业务操作 * 再调用super.onRestart(); * 若先调用super.onRestart(); * 那么就直接finish了,业务逻辑 * 也就无法执行 */@Overrideprotected void onRestart() {Intent intent = new Intent();intent.putExtra("test", "hello everyone");setResult(111, intent);System.out.println("SecondActivity执行覆写后的finish()同时setResult给FirstActivity传值");System.out.println("onDestroy()--->"+this.toString());super.onRestart();}@Overrideprotected void onDestroy() {super.onDestroy();System.out.println("onDestroy()--->"+this.toString());}}

ThirdActivity如下:

package cn.testmanageactivity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class ThirdActivity extends BaseActivity {   private Button mButton;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.thirdactivity);init();}private void init(){mButton=(Button) findViewById(R.id.thirdButton);mButton.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View view) {                finish();}});}@Overrideprotected void onDestroy() {super.onDestroy();System.out.println("onDestroy()--->"+this.toString());}}

firstactivity如下:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    >    <Button        android:id="@+id/firstButton"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="跳转到第二个Activity"        android:layout_centerInParent="true"        /></RelativeLayout>

secondactivity如下:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    >    <Button        android:id="@+id/secondButton"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="跳转到第三个Activity"        android:layout_centerInParent="true"        /></RelativeLayout>

thirdactivity如下:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    >    <Button        android:id="@+id/thirdButton"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="关闭该Activity"        android:layout_centerInParent="true"        /></RelativeLayout>