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