在按下通知时创建操作，Android

问：

所以似乎无法对其进行配置或正常运行。

尝试获取打开 MainActivity3 文件的通知，然后让它随心所欲地运行，目前只是为了让它播放声音。

对 android 开发完全陌生，但我认为我走对了路。 你会看到我有两种方法，但不能让任何一种方法起作用。

MainActivity.java

package com.example.firstapp;

import android.media.MediaPlayer;
//import android.media.RingtoneManager;
import android.os.Bundle;
import android.os.Vibrator;
import android.app.Activity;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.support.v4.app.NotificationCompat;
import android.view.Menu;
//import android.app.*;
import android.view.*;
import android.widget.*;

public class MainActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    //vibrate controls

    //Notification
    NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this)
        .setSmallIcon(R.drawable.follownavi)
            .setContentTitle("Hey")
            .setContentText("");   

    PendingIntent pendingIntent;
    //Intent intent = new Intent();

   Intent intent= new Intent(MainActivity3.onNewIntent(), MainActivity3.class);
   intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_SINGLE_TOP);

   //intent.setClass(getApplicationContext(),MainActivity3.class);
   pendingIntent =  PendingIntent.getActivity(getApplicationContext(), 0, intent, 0);
   mBuilder.addAction(R.drawable.follownavi,"LISTEN",pendingIntent);
   mBuilder.setContentIntent(pendingIntent);

   NotificationManager notificationManager = (NotificationManager)     getSystemService(Context.NOTIFICATION_SERVICE);
   notificationManager.notify(1, mBuilder.build());



@Override
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.activity_main, menu);
    return true;
}

@Override
public boolean onTouchEvent(MotionEvent event) {
    //get touch location
    int x = (int)event.getX();
    int y = (int)event.getY();
    //put on screen
    TextView tester = (TextView) findViewById(R.id.textView1);
    tester.setText("this is x:" + x + " and this is y:" + y);

    //move image
    ImageView iv = (ImageView) findViewById(R.id.NaviFollow);

    if(y > 222)
    {
    iv.setX(x - 125);
    iv.setY(y - 350);


    //cause vibration
    Vibrator v = (Vibrator) getSystemService(VIBRATOR_SERVICE);
    v.vibrate(300);
    }

return true;
}



}

一旦通知被调用并出现，它就意味着运行此文件 主活动3

 package com.example.firstapp;


import android.app.Activity;
import android.media.MediaPlayer;
import android.os.Bundle;

public class MainActivity3 extends Activity {

protected Context onNewIntent()
{
MediaPlayer mp2 = MediaPlayer.create(getApplicationContext(), R.raw.listen);
 mp2.start();
return null;


}
}

错误似乎是调用是静态的，但它想要无效，非常混乱 错误代码

无法对类型为 MainActivity3 MainActivity 的非静态方法 onNewIntent（） 进行静态引用.java /firstApp/src/com/example/firstapp 第 38 行

如果我将方法更改为适合，那么 mediaplayer getApplicationContext 将不起作用

在做了更多的研究之后，我觉得清单可能会阻止它，但仍然不确定 android 的结构。

清单

 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 package="com.example.firstapp"
 android:versionCode="1"
 android:versionName="1.0" >
 <uses-permission android:name="android.permission.VIBRATE"/>
 <uses-sdk
    android:minSdkVersion="14"
    android:targetSdkVersion="17" />


<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />



<application
    android:allowBackup="true"
    android:icon="@drawable/navibutton"
    android:label="Navi"
    android:theme="@style/AppTheme" >



    <activity
        android:name="com.example.firstapp.MainActivity"
        android:label="@string/app_name" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>

    </activity>
            <receiver android:enabled="true" android:name=".BootUpReceiver"
    android:permission="android.permission.RECEIVE_BOOT_COMPLETED">
                                <intent-filter>
            <action android:name="android.intent.action.BOOT_COMPLETED" />
            <category android:name="android.intent.category.DEFAULT" />
    </intent-filter>    
    </receiver>
    </application>

</manifest>

请帮忙，因为真的陷入困境并想放弃