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  • 通过 ANE(Adobe Native Extension) 启动Andriod服务 推送消息(一)

     项目组用air来开发手游, 但有些在原生应用里很容易实现的功能没有办法在air中直接调用,比如说震动,服务等等。但Adobe 提供了一种方法让air间接调用本地代码(java,object-c...),就是接下来要介绍的ANE(Adobe Native Extension) 也叫本地扩展。

     查了下资料,早在2011年11月 Adobe 官方就发一篇介绍ANE的文章附一个简单的例子, 在去年八月份Adobe 开发者中心 开始发一系列较为详尽的文章, 有兴趣可以阅读下:

    http://www.adobe.com/cn/devnet/air/articles/developing-native-extensions-air.html

    http://www.adobe.com/cn/devnet/air/air_for_android.html

    一、 HellAndriod Service

      先看一个原生态的android例子:

    package com.wenbo.helloandriod;
    
    import android.app.Notification;
    
    public class BackgroundService extends Service {
    
        private NotificationManager notificationMgr;
        private Thread mthr;
        private int mCount=0;
        private Boolean mSend=true;
        @Override
        public void onCreate() {
            super.onCreate();
            notificationMgr = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
            displayNotificationMessage("starting Background Service");
            
            if(mthr == null || mSend == false) 
            {
                mSend=true;
                mthr = new Thread(null, new ServiceWorker(), "Background Service");
                mthr.start();
            }
            
        }
        
        @Override
        public void onDestroy()
        {
            super.onDestroy();
            mSend = false;
        }
    
        @Override
        public IBinder onBind(Intent arg0) {
            // TODO Auto-generated method stub
            return null;
        }
        
        class ServiceWorker implements Runnable {
            @Override
            public void run() {
                // do background processing here.....
                // stop the service when done...
                // BackgroundService.this.stopSelf()
                while(mSend)
                {
                    try{
                        Thread.sleep(1000);
                        Log.d("", "runnable" + mCount);
                        displayNotificationMessage("runnable" + mCount);
                    }
                    catch (InterruptedException e)
                    {
                        e.printStackTrace();
                    }
                }
            }
        }
    
        private void displayNotificationMessage(String message) {
            Log.d("", message);
            mCount++;
            @SuppressWarnings("deprecation")
            Notification notification = new Notification(R.drawable.ic_launcher, message,
                    System.currentTimeMillis());
            
            PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, MainActivity.class), 0);
            
            notification.setLatestEventInfo(this, "女神之贱", message, contentIntent);
            
            notificationMgr.notify(R.id.app_notification_id, notification);
        }
    }

    在服务里开个线程,每隔一秒发一个后台通知。 然后我们建立一个入口启动它。

    package com.wenbo.helloandriod;
    
    import android.os.Bundle;
    
    public class MainActivity extends Activity {
        private static final String TAG = "MainActivity";
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            
            Log.d(TAG, "starting service");
            
            Button bindBtn = (Button) findViewById(R.id.start);
            bindBtn.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    // TODO Auto-generated method stub
                    startService(new Intent(MainActivity.this,
                            BackgroundService.class)); 
                }
            });
            
            Button unbindBtn = (Button) findViewById(R.id.stop);
            unbindBtn.setOnClickListener(new OnClickListener() {
                
                @Override
                public void onClick(View v) {
                    // TODO Auto-generated method stub
                    stopService(new Intent(MainActivity.this, BackgroundService.class));
                }
            });
        }
    
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
            // Inflate the menu; this adds items to the action bar if it is present.
            getMenuInflater().inflate(R.menu.main, menu);
            return true;
        }
    
    }

    做完这些,别忘了配置权限, 在AndroidManifest.xml的<activity></activity>后面添加

    <service android:name="BackgroundService"/> 

    安装到模拟器上或真实机器上 打开程序启动后就可以看到每隔一秒后台消息便会更新一次。按下stop后停止更新。

    好了,下一节我将要按照ANE的要求改造它。

    由于不能上传附件,我将另两个关键文件也贴出来。

    一个是res/layout/activity_main.xml

    <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"
        android:paddingBottom="@dimen/activity_vertical_margin"
        android:paddingLeft="@dimen/activity_horizontal_margin"
        android:paddingRight="@dimen/activity_horizontal_margin"
        android:paddingTop="@dimen/activity_vertical_margin"
        tools:context=".MainActivity" >
    
        <TextView
            android:id="@+id/textView1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/hello_world" />
    
        <Button
            android:id="@+id/start"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignLeft="@+id/textView1" 
            android:layout_below="@+id/textView1"
            android:text="start" />
    
        <Button
            android:id="@+id/stop"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignLeft="@+id/start"
            android:layout_below="@+id/start"
            android:layout_marginTop="15dp"
            android:text="stop" />
    
    </RelativeLayout>

    另一个是AndroidManifest.xml

    <?xml version="1.0" encoding="utf-8"?>
    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
        package="com.wenbo.helloandriod"
        android:versionCode="1"
        android:versionName="1.0" >
    
        <uses-sdk
            android:minSdkVersion="8"
            android:targetSdkVersion="17" />
    
        <application
            android:allowBackup="true"
            android:icon="@drawable/ic_launcher"
            android:label="@string/app_name"
            android:theme="@style/AppTheme" >
            <activity
                android:name="com.wenbo.helloandriod.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>
            <service android:name="BackgroundService"/> 
        </application>
    
    </manifest>
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  • 原文地址:https://www.cnblogs.com/Free-Thinker/p/3273202.html
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