Android8.0+ 通知适配实战代码

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {

            NotificationManager notificationManager = (NotificationManager)
                    getSystemService(Context.NOTIFICATION_SERVICE);

            //分组（可选）
            //groupId要唯一
            String groupId = "group_001";
            NotificationChannelGroup group = new NotificationChannelGroup(groupId, "广告");
            String groupId2 = "group_002";
            NotificationChannelGroup group2 = new NotificationChannelGroup(groupId2, "新闻");

            //创建group
            notificationManager.createNotificationChannelGroup(group);
            notificationManager.createNotificationChannelGroup(group2);

            //channelId要唯一
            String channelId = "channel_001";
            NotificationChannel adChannel = new NotificationChannel(channelId,
                    "推广信息", NotificationManager.IMPORTANCE_DEFAULT);
            //补充channel的含义（可选）
            adChannel.setDescription("推广信息");
            //将渠道添加进组（先创建组才能添加）
            //adChannel.setGroup(groupId);
            //创建channel
            notificationManager.createNotificationChannel(adChannel);

            //channelId2要唯一
            String channelId2 = "channel_002";
            NotificationChannel adChannel2 = new NotificationChannel(channelId2,
                    "广告主题", NotificationManager.IMPORTANCE_DEFAULT);
            //补充channel2的含义（可选）
            adChannel2.setDescription("广告主题");
            //将渠道添加进组（先创建组才能添加）
            adChannel2.setGroup(groupId);
            //创建channel2
            notificationManager.createNotificationChannel(adChannel2);

            //channelId3要唯一
            String channelId3 = "channel_003";
            NotificationChannel adChannel3 = new NotificationChannel(channelId3,
                    "新闻资讯", NotificationManager.IMPORTANCE_DEFAULT);
            //补充channel3的含义（可选）
            adChannel3.setDescription("新闻资讯");
            //将渠道添加进组（先创建组才能添加）
            adChannel3.setGroup(groupId2);
            //创建channel3
            notificationManager.createNotificationChannel(adChannel3);

            Intent intent=new Intent(MainActivity.this,TiaoZhuanActivity.class);
            intent.putExtra("param","传递的参数");

            //参数：1：Context  2:一般不用 通常传入0  3：Intent  4:FLAG_CANCEL_CURRENT(),FLAG_NO_CREATE,FLAG_ONE_SHOT,FLAG_UPDATE_CURRENT
            //PendingIntent pendingIntent=PendingIntent.getActivity(MainActivity.this,0,intent,0);//延迟跳转
            int notifyId = (int) System.currentTimeMillis();
            PendingIntent pendingIntent = PendingIntent.getActivity(MainActivity.this, notifyId, intent, PendingIntent.FLAG_UPDATE_CURRENT);//PendingIntent.FLAG_UPDATE_CURRENT
            NotificationManager manager= (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
            Notification notification=new NotificationCompat.Builder(MainActivity.this, channelId)//8.0以上没设置渠道Id无法显示通知的
                    .setContentTitle("紧急通知：")
                    .setContentText("点赞能长高一公分")//显示长文本时，后面省略号代替了
                    .setWhen(System.currentTimeMillis())
                    .setSmallIcon(R.mipmap.ic_launcher)
                    .setLargeIcon(BitmapFactory.decodeResource(getResources(),R.mipmap.ic_launcher))
                    .setContentIntent(pendingIntent)//设置可点击跳转
                    .setAutoCancel(true)//点击后自动取消通知（方法1）
                    .setSound(Uri.fromFile(new File("/system/media/audio/ringtones/Luna.ogg")))//设置声音
                    .setVibrate(new long[] {0, 1000, 1000, 1000})//使震动 数组表示 静止0秒，震动1秒 静止1秒 震动1秒
                    //声明震动的权限 
                    .setLights(Color.GREEN, 1000, 1000)//设置呼吸灯 参数：颜色  亮起时长 暗去时长
                    .setDefaults(NotificationCompat.DEFAULT_ALL)//设置默认
                    //.setStyle(new NotificationCompat.BigTextStyle().bigText("我好帅我好帅我好帅我好帅我好帅我好帅"))//显示长文本
                    .setStyle(new NotificationCompat.BigPictureStyle().bigPicture(BitmapFactory.decodeResource(getResources(),R.mipmap.zachary)))//设置显示大图片
                    .setPriority(NotificationCompat.PRIORITY_MAX)//设置重要程度： PRIORITY_DEFAULT （表示默认）PRIORITY_MIN(表示最低) PRIORITY_LOW （较低）PRIORITY_HIGH （较高）PRIORITY_MAX（最高）
                    .build();
            manager.notify(1,notification);
        }
    }

渠道分类设置.jpg

通知.jpg