每天进步一点----- Service
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package com.example.servicetest; import android.app.Notification; import android.app.PendingIntent; import android.app.Service; import android.content.Intent; import android.os.Binder; import android.os.IBinder; import android.util.Log; public class MyService extends Service { private DownloadBinder mBinder = new DownloadBinder(); class DownloadBinder extends Binder { public void startDownload() { new Thread(new Runnable() { @Override public void run() { // start downloading } }).start(); Log.d("MyService", "startDownload executed"); } public int getProgress() { Log.d("MyService", "getProgress executed"); return 0; } } @Override public IBinder onBind(Intent intent) { Log.d("MyService", "onBind executed"); return mBinder; } @Override public void onCreate() { super.onCreate(); Notification notification = new Notification(R.drawable.ic_launcher, "Notification comes", System.currentTimeMillis()); Intent notificationIntent = new Intent(this, MainActivity.class); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0); notification.setLatestEventInfo(this, "This is title", "This is content", pendingIntent); startForeground(1, notification); Log.d("MyService", "onCreate executed"); } @Override public int onStartCommand(Intent intent, int flags, int startId) { Log.d("MyService", "onStartCommand executed"); new Thread(new Runnable() { @Override public void run() { // do something here } }).start(); return super.onStartCommand(intent, flags, startId); } @Override public void onDestroy() { super.onDestroy(); Log.d("MyService", "onDestroy executed"); } }
package com.example.servicetest; import android.app.Activity; import android.content.ComponentName; import android.content.Intent; import android.content.ServiceConnection; import android.os.Bundle; import android.os.IBinder; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class MainActivity extends Activity implements OnClickListener { private Button startService; private Button stopService; private Button bindService; private Button unbindService; private Button startIntentService; private MyService.DownloadBinder downloadBinder; private ServiceConnection connection = new ServiceConnection() { @Override public void onServiceDisconnected(ComponentName name) { } @Override public void onServiceConnected(ComponentName name, IBinder service) { downloadBinder = (MyService.DownloadBinder) service; downloadBinder.startDownload(); downloadBinder.getProgress(); } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); startService = (Button) findViewById(R.id.start_service); stopService = (Button) findViewById(R.id.stop_service); bindService = (Button) findViewById(R.id.bind_service); unbindService = (Button) findViewById(R.id.unbind_service); startIntentService = (Button) findViewById(R.id.start_intent_service); startService.setOnClickListener(this); stopService.setOnClickListener(this); bindService.setOnClickListener(this); unbindService.setOnClickListener(this); startIntentService.setOnClickListener(this); } @Override public void onClick(View v) { switch (v.getId()) { case R.id.start_service: Intent startIntent = new Intent(this, MyService.class); startService(startIntent); break; case R.id.stop_service: Intent stopIntent = new Intent(this, MyService.class); stopService(stopIntent); break; case R.id.bind_service: Intent bindIntent = new Intent(this, MyService.class); bindService(bindIntent, connection, BIND_AUTO_CREATE); break; case R.id.unbind_service: unbindService(connection); break; case R.id.start_intent_service: Log.d("MainActivity", "Thread id is " + Thread.currentThread().getId()); Intent intentService = new Intent(this, MyIntentService.class); startService(intentService); break; default: break; } } }
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.servicetest" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="14" 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.example.servicetest.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=".MyService" > </service> <service android:name=".MyIntentService"></service> </application> </manifest>
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