小记：安卓发送通知栏通知

package com.lixu.tongzhi;

import android.app.Activity;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.NotificationCompat;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.RemoteViews;
import android.widget.Toast;

public class MainActivity extends Activity {

    private static final int ID = 1987;
    private static final int REQUEST_CODE = 123;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Button btn1 = (Button) findViewById(R.id.fasong);
        Button btn2 = (Button) findViewById(R.id.qingchu);

        btn1.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                send();

                Toast.makeText(getApplicationContext(), "发送通知成功！", 0).show();

            }
        });

        btn2.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {

                delete();

                Toast.makeText(getApplicationContext(), "清除通知成功！", 0).show();

            }
        });

    }

    private void send() {
        // 获取通知管理器
        NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

        NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this);
        // 设置通知栏图片
        mBuilder.setSmallIcon(R.drawable.sdfdf);

        Notification notification = mBuilder.build();
        // RemoteViews中自定义Notification布局

        RemoteViews cv = new RemoteViews(getApplicationContext().getPackageName(), R.layout.list);
        // 设置下拉后通知栏图片
        cv.setImageViewResource(R.id.image, R.drawable.meimei);
        // 设置内容
        cv.setTextViewText(R.id.tv1, "我是小超人");
        cv.setTextViewText(R.id.tv2, "我是小超人，主人有什么事情要吩咐。");
        notification.contentView = cv;

        // 设置通知声音或者震动或闪光。
        notification.defaults = Notification.DEFAULT_SOUND | Notification.DEFAULT_VIBRATE;
        // 通知时间
        notification.when = System.currentTimeMillis();

        // 需要注意的是，作为选项，此处可以设置MainActivity的启动模式为singleTop，避免重复新建onCreate()。
        Intent intent = new Intent(getApplicationContext(), MainActivity.class);
        // 当用户点击通知栏的Notification时候，切换回MainActivity。
        PendingIntent pi = PendingIntent.getActivity(getApplicationContext(), REQUEST_CODE, intent,
                PendingIntent.FLAG_UPDATE_CURRENT);
        notification.contentIntent = pi;

        // 通过特定id来发送这个通知
        manager.notify(ID, notification);

    }

    private void delete() {
        // 获取通知管理器
        NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
        manager.cancel(ID);

    }

}