notification android原生消息通知代码详解

package us.guaju.notification; import android.app.Activity; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class MainActivity extends Activity { private static final int TAG = 8888; protected static final int REQUESTCODE = 0; private Button send_notification, clear; private NotificationManager notificationManager; private Notification notificastion; private int count = 0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); send_notification = (Button) findViewById(R.id.send_notification); clear = (Button) findViewById(R.id.clear); notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); // 点击button发送通知 send_notification.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { Notification.Builder builder = new Notification.Builder( MainActivity.this); builder.setContentTitle("我是通知"); builder.setContentText("我是通知内容"); builder.setContentInfo("我是通知附加信息" + count); // 创建一个普通的意图，为下方的pendingIntent做准备 Intent intent = new Intent(); intent.setAction(Intent.ACTION_DIAL); // 创建pendingIntent 传入上文定制好的意图 PendingIntent pendingIntent = PendingIntent.getActivity( MainActivity.this, REQUESTCODE, intent, Intent.FLAG_ACTIVITY_NEW_TASK); // 如此点击完成后会跳转到拨号界面 builder.setContentIntent(pendingIntent); builder.setSmallIcon(R.drawable.ic_launcher); notificastion = builder.getNotification(); count++; notificationManager.notify(TAG, notificastion); } }); clear.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { notificationManager.cancelAll(); } }); } } package us.guaju.notification; import android.a