进度条通知

最新推荐文章于 2024-05-22 09:23:45 发布

原创最新推荐文章于 2024-05-22 09:23:45 发布 · 207 阅读

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CC 4.0 BY-SA版权

本文介绍了一个简单的Android应用示例，展示了如何创建两种类型的通知：普通通知和带进度条的通知。通过按钮触发不同类型的Notification，并利用PendingIntent实现点击通知后的跳转。

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import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.support.annotation.RequiresApi;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.app.NotificationCompat;
import android.view.View;
import android.widget.Button;

public class MainActivity extends AppCompatActivity {
    private Button btn,bent;
    private <strong>Notification</strong>Manager Manager;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        btn= (Button) findViewById(R.id.bnt);
        bent= (Button) findViewById(R.id.btn);

        Manager= (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
        btn.setOnClickListener(new View.OnClickListener() {
            @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN)
            @Override
            public void onClick(View v) {
                Notification.Builder builder=new Notification.Builder(MainActivity.this);
                builder.setContentTitle("通知");
                builder.setContentText("正文");
                builder.setSmallIcon(R.mipmap.ic_launcher);
                //的到PendingIntent（延迟意图）的对象
                PendingIntent pendingIntent =PendingIntent.getActivity(MainActivity.this, 2020,new Intent(MainActivity.this, Main2Activity.class), PendingIntent.FLAG_ONE_SHOT);
                builder.setContentIntent(pendingIntent);
                //点击通知是否消失      该方法与PendingIntent 一起使用才有效果
                builder.setAutoCancel(true);
                Manager.notify(1,builder.build());

            }
        });
        bent.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                final Notification.Builder builder=new Notification.Builder(MainActivity.this);
                builder.setContentTitle("进度条通知");
                builder.setContentText("正在努力加载中。。。");
                builder.setSmallIcon(R.mipmap.ic_launcher);
                new Thread(){
                    @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN)
                    @Override
                    public void run() {
                        super.run();
                        for (int i = 0; i <=100 ; i+=10) {
                            builder.setProgress(100,i,false);
                            Manager.notify(2,builder.build());
                            try {
                                Thread.sleep(200);
                            } catch (InterruptedException e) {
                                e.printStackTrace();
                            }
                        }
                        builder.setContentText("已加载完成");
                        //设置通知正文
                        builder.setContentIntent(PendingIntent.getActivity(MainActivity.this,1010,new Intent(MainActivity.this,Main2Activity.class),PendingIntent.FLAG_ONE_SHOT));
                        builder.setAutoCancel(true);
                        //点击是否消失
                        Manager.notify(2,builder.build());
                    }
                }.start();

            }
        });
    }
}