Android之Notification、NotificationChannel、NotificationCompat.Builder弃用与更新

package com.example.notification;import android.app.NotificationChannel;import android.app.NotificationManager;import android.os.Build;import android.support.v4.app.NotificationCompat;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.Button;public class MainActivity extends AppCompatActivity {    Button button1,button2;    NotificationManager manager;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        button1=findViewById(R.id.button1);        button2=findViewById(R.id.button2);        manager= (NotificationManager) getSystemService(NOTIFICATION_SERVICE);        button1.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                //高版本需要渠道                if(Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O){                    //只在Android O之上需要渠道                    NotificationChannel notificationChannel = new NotificationChannel("channelid1","channelname",NotificationManager.IMPORTANCE_HIGH);                    //如果这里用IMPORTANCE_NOENE就需要在系统的设置里面开启渠道，通知才能正常弹出                    manager.createNotificationChannel(notificationChannel);                }                NotificationCompat.Builder builder = new NotificationCompat.Builder(MainActivity.this,"channelid1");                builder.setSmallIcon(R.drawable.ico)                        .setContentTitle("通知标题")                        .setContentText("通知内容")                        .setAutoCancel(true);                manager.notify(0x12,builder.build());            }        });    }}

转载于:https://www.cnblogs.com/chunshu/p/10317960.html

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