该应用的界面如下,界面代码在此不再给出
MainActivity.java
1 public class MainActivity extends Activity { 2 private TextView tvTitle; 3 private TextView tvContent; 4 private Button btnSend; 5 private String title; 6 private String content; 7 8 public void onCreate(Bundle savedInstanceState) { 9 super.onCreate(savedInstanceState); 10 setContentView(R.layout.activity_main); 11 12 tvTitle=(TextView) findViewById(R.id.editText1); 13 tvContent=(TextView) findViewById(R.id.EditText01); 14 btnSend=(Button) findViewById(R.id.btnSend); 15 16 btnSend.setOnClickListener(new OnClickListener(){ 17 18 @Override 19 public void onClick(View v) { 20 // TODO Auto-generated method stub 21 send(); 22 } 23 }); 24 25 } 26 public void send(){ 27 title=tvTitle.getText().toString();//标题 28 content=tvContent.getText().toString();//内容 29 30 //1.得到NotificationManager服务 31 NotificationManager nm=(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); 32 //2.实例化一个通知,指定图标、概要、时间 33 Notification n = new Notification(R.drawable.ic_launcher,"通知",System.currentTimeMillis()); 34 //3.指定通知的标题、内容和intent 35 Intent intent = new Intent(this, MainActivity.class); 36 PendingIntent pi= PendingIntent.getActivity(this, 0, intent, 0); 37 n.setLatestEventInfo(this, title, content, pi); 38 //指定声音 39 //n.defaults = Notification.DEFAULT_SOUND; 40 //4.发送通知 41 nm.notify(1, n); 42 } 43 44 }
点击“发送”按钮,即可在通知栏显示发送的消息!