介绍 package com.itheima74.broadcastbestpractice;
import android.content.Intent;
import android.os.Bundle;
import android.os.SystemClock;
import android.support.v4.content.LocalBroadcastManager;
import android.view.View;/* *
,*模拟强制下线通知
,* 1。登录成功后10秒发送一条本地自定义无序广播
*大敌;2。接收到广播后弹出对话框(不可取消)
*大敌;3。点击对话框确定按钮重新返回登陆界面
,*/public class MainActivity extends BaseActivity {
@Override才能
protected 才能;void onCreate (Bundle savedInstanceState), {
,,,super.onCreate (savedInstanceState);
,,,setContentView (R.layout.activity_main);
,,,//,启动一个子线程,10秒发送一条本地无序广播
,,,new 线程(new Runnable (), {
,,,,@Override
,,,,,public void 运行(),{
,,,,,,,SystemClock.sleep (1000, *, 10);
,,,,,,,LocalBroadcastManager LocalBroadcastManager =, LocalBroadcastManager.getInstance (getApplicationContext ());
,,,,,,,localBroadcastManager.sendBroadcast (new 意图(“com.itheima74.broadcastbestpractice.FORCE_OFFLINE"));
,,,,,}
,,,}).start ();
,,}//,才能点击按钮,启动Main2Activity
public 才能;void 单击(View 视图),{
,,,startActivity (new 意图(,,Main2Activity.class));
,,}
} package com.itheima74.broadcastbestpractice;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;/* *
,* Created by My 提醒2017/3/6。
,*/public class LoginActivity extends AppCompatActivity {
private 才能;EditText et_username;
private 才能;EditText et_password;
@Override才能
protected 才能;void onCreate (@Nullable Bundle savedInstanceState), {
,,,super.onCreate (savedInstanceState);
,,,setContentView (R.layout.activity_login);
,,,et_username =, (EditText), findViewById (R.id.et_username);
,,,et_password =, (EditText), findViewById (R.id.et_password);
,,}//,才能点击按钮,进行登录
public 才能;void 登录(View 视图),{
,,,String username =, et_username.getText () .toString () .trim ();
,,,String password =, et_password.getText () .toString () .trim ();
,,,if (“admin" .equals(用户名),,,,“123456“.equals(密码)),{
,,,,,Toast.makeText (,,“login success",, Toast.LENGTH_SHORT),告诉();
,,,,,startActivity (new 意图(,,MainActivity.class));
,,,},{else
,,,,,Toast.makeText (,,“login fail",, Toast.LENGTH_SHORT),告诉();
,,,}
,,}
} package com.itheima74.broadcastbestpractice;
import android.app.AlertDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.content.LocalBroadcastManager;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import java.util.ArrayList;/* *
,* BaseActivity
,* 1。记录所有新创建的活动
*大敌;2。随时销毁所有活动
*大敌;3。所有子类获取焦点注册广播接收者,失去焦点取消注册
*大敌;4。收到强制下线广播,弹出对话框,结束所有活动,重新启动LoginActivity
,* Created by My 提醒2017/3/6。
,*/public class BaseActivity extends AppCompatActivity {
protected 才能static ArrayList< BaseActivity>, activityList =, new ArrayList<在();
private 才能;LocalBroadcastManager localBroadcastManager;
private 才能;OffLineReceiver offLineReceiver;
private 才能;IntentFilter intentFilter;
@Override才能
protected 才能;void onCreate (@Nullable Bundle savedInstanceState), {
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这篇文章将为大家详细讲解有关怎么在Android项目中添加一个强制下线通知功能,文章内容质量较高,因此小编分享给大家做个参考,希望大家阅读完这篇文章后对相关知识有一定的了解。
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