android开机启动应用

今天在网上搜了下开机启动应用的例子,有很多,有些真机还是不行,非要在模似器上才行。把一些我试过的代码上来

下面这是主Activity,一打开让它显示系统的时间

package com.test;

import java.text.SimpleDateFormat;
import java.util.Date;

import android.app.Activity;
import android.app.KeyguardManager;
import android.app.KeyguardManager.KeyguardLock;
import android.graphics.Color;
import android.os.Bundle;
import android.widget.TextView;

public class AtestActivity extends Activity {
    /** Called when the activity is first created. */
    
    private TextView tv;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        tv = (TextView) findViewById(R.id.tv_test);
        Date date = new Date();
        SimpleDateFormat simp = new SimpleDateFormat("yyyy-MM-dd HH-mm-ss");
        String time = simp.format(date);
        tv.setText(time);
        tv.setTextSize(25);
        tv.setTextColor(Color.RED);
        
        KeyguardManager keyguardManager
        = (KeyguardManager)getSystemService(KEYGUARD_SERVICE);
        KeyguardLock lock = keyguardManager.newKeyguardLock(KEYGUARD_SERVICE);
          
        lock.disableKeyguard(); //禁用键盘锁显示如果键盘锁是目前显示隐藏它
         
    }
}

下面这个是从BroadCastReceiver继承的类

package com.test;

import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.SystemClock;
import android.util.Log;

public class StartListenerActivity extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        Log.i("receiver", "onReceiver begin");
        //这是网上有人用的方法,我用真机试过,用不了,可能我的手机被什么阻止了,可能此方法还是可用,不过我觉得能用也觉得麻烦
//        PendingIntent pendingIntent = PendingIntent //不一定发生,不可预测的用此类
//                .getActivity(context, 0, new Intent(context,AtestActivity.class), PendingIntent.FLAG_UPDATE_CURRENT);
//         
//        long time = SystemClock.elapsedRealtime();
//        AlarmManager alarmManager = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
         //网上有人用此方法,只检查一次
//        alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, time, pendingIntent);
        //5秒检查一次,
//        alarmManager.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, time, 5 * 1000, pendingIntent);
//-----------------------------------------------------------------------------------
        //这是另一个方法,我在真机也用不了,模拟器上暂时没试了
//        String category = "android.intent.category.LAUNCHER";
//        String action = "android.intent.action.MAIN";
//        Intent newintent = new Intent(context, AtestActivity.class);
//        newintent.setAction(action);
//        newintent.addCategory(category);
//        newintent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
//----------------------------------------------------------------------
        //我试过的方法,我用我的手机也试不出,在模拟器上可以行得通
        Intent newintent = new Intent(context, AtestActivity.class);
        newintent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(newintent);
        Log.i("receiver","onReceiver over");
    }

}
配置文件


    package="com.test"
    android:versionCode="1"
    android:versionName="1.0" >

   
    
    
    
    
            android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
                    android:name=".AtestActivity"
            android:label="@string/app_name" >
           
               

               
           

       
        
       
            
           
               
               
           

       

   

效果如下

android开机启动应用_第1张图片

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