Notification之适配总结

11. android通知栏8.0系统报错误：

NotificationService: No Channel found for pkg=xxx.xxx.xxx, channelId=12345, id=12345, tag=null, opPkg=xxx.xxx.xxx, callingUid=10085, userId=0, incomingUserId=0, notificationUid=10085, notification=Notification…

/**
 * Notification:8.0系统和8.0系统之下的逻辑
 */
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN)
public void postNotification(Context context) {
    int channelId = 0x22222;
    Notification.Builder builder;
    NotificationManager manager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
    //NotificationManagerCompat managerCompat= (NotificationManagerCompat) context.getSystemService(Context.NOTIFICATION_SERVICE);
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {//8.0系统之上
        NotificationChannel channel = new NotificationChannel(String.valueOf(channelId), "chanel_name", NotificationManager.IMPORTANCE_HIGH);
        manager.createNotificationChannel(channel);
        builder = new Notification.Builder(context, String.valueOf(channelId));
        //或者
        //builder = new Notification.Builder(context);
        //builder.setChannelId(String.valueOf(channelId)); //创建通知时指定channelId
    } else {
        builder = new Notification.Builder(context);
    }
    //需要跳转指定的页面
    Intent intent = new Intent(context, MainActivity.class);
    PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
    builder.setContentIntent(pendingIntent);

    builder.setTicker("new message")
            .setSmallIcon(R.drawable.ic_launcher_background)
            .setContentTitle("标题")
            .setContentText("内容")
            .setContentIntent(pendingIntent);
    manager.notify(channelId, builder.build());
}

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