12 StatusBar
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
1 package com.szy.status; 2 3 import android.app.IntentService; 4 import android.app.Notification; 5 import android.app.NotificationManager; 6 import android.app.PendingIntent; 7 import android.content.Intent; 8 import android.util.Log; 9 10 /** 11 * @author coolszy 12 * @blog http://blog.csdn.net/coolszy 13 */ 14 public class StatusService extends IntentService 15 { 16 private static final String TAG = "StatusService"; 17 18 // private static final int KUKA = 0; 19 20 public StatusService() 21 { 22 super("StatusService"); 23 } 24 25 @Override 26 protected void onHandleIntent(Intent intent) 27 { 28 Log.i(TAG, "开始下载...."); 29 showNotification(false); 30 try 31 { 32 Thread.sleep(10000); 33 showNotification(true); 34 } catch (InterruptedException e) 35 { 36 e.printStackTrace(); 37 } 38 Log.i(TAG, "程序下载完毕"); 39 } 40 41 private void showNotification(boolean finish) 42 { 43 Notification notification; 44 NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); 45 Intent intent = new Intent(this, MainActivity.class); 46 PendingIntent contentIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); 47 if (!finish) 48 { 49 notification = new Notification(R.drawable.head, "开始下载", System.currentTimeMillis()); 50 notification.setLatestEventInfo(this, "下载", "正在下载中", contentIntent); 51 } 52 else 53 { 54 notification = new Notification(R.drawable.head, "下载完毕", System.currentTimeMillis()); 55 notification.setLatestEventInfo(this, "下载", "程序下载完毕", contentIntent); 56 } 57 notification.defaults=Notification.DEFAULT_ALL; 58 manager.notify(R.layout.main, notification); 59 60 } 61 62 }
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
1 package com.szy.status; 2 3 import android.app.Activity; 4 import android.app.NotificationManager; 5 import android.content.Intent; 6 import android.os.Bundle; 7 import android.view.View; 8 import android.view.View.OnClickListener; 9 import android.widget.Button; 10 11 public class MainActivity extends Activity 12 { 13 private Button btnStartService; 14 @Override 15 public void onCreate(Bundle savedInstanceState) 16 { 17 super.onCreate(savedInstanceState); 18 setContentView(R.layout.main); 19 btnStartService=(Button)findViewById(R.id.btnStartService); 20 btnStartService.setOnClickListener(new OnClickListener() 21 { 22 @Override 23 public void onClick(View v) 24 { 25 Intent intent=new Intent(MainActivity.this, StatusService.class); 26 startService(intent); 27 } 28 }); 29 } 30 31 @Override 32 protected void onStart() 33 { 34 super.onStart(); 35 NotificationManager manager=(NotificationManager)getSystemService(NOTIFICATION_SERVICE); 36 manager.cancel(R.layout.main); 37 } 38 39 40 }