YCVideoPlayer/MusicPlayer/src/main/java/com/yc/music/utils/NotificationUtils.java

package com.yc.music.utils;

import android.annotation.TargetApi;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.ContextWrapper;
import android.graphics.Color;
import android.net.Uri;
import android.os.Build;
import android.widget.RemoteViews;

import androidx.annotation.RequiresApi;
import androidx.core.app.NotificationCompat;

import static androidx.core.app.NotificationCompat.PRIORITY_DEFAULT;
import static androidx.core.app.NotificationCompat.VISIBILITY_SECRET;

/**
 * <pre>
 *     @author yangchong
 *     blog  : https://www.jianshu.com/p/514eb6193a06
 *     time  : 2018/2/10
 *     desc  : 通知栏工具类
 *     revise:
 * </pre>
 */
public class NotificationUtils extends ContextWrapper {


    public static final String CHANNEL_ID = "default";
    private static final String CHANNEL_NAME = "Default_Channel";
    public static boolean isVibration = false;
    private NotificationManager mManager;
    private int[] flags;

    public NotificationUtils(Context base) {
        super(base);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            //android 8.0以上需要特殊处理，也就是targetSDKVersion为26以上
            createNotificationChannel();
        }
    }

    @TargetApi(Build.VERSION_CODES.O)
    private void createNotificationChannel() {
        //第一个参数：channel_id
        //第二个参数：channel_name
        //第三个参数：设置通知重要性级别
        //注意：该级别必须要在 NotificationChannel 的构造函数中指定，总共要五个级别；
        //范围是从 NotificationManager.IMPORTANCE_NONE(0) ~ NotificationManager.IMPORTANCE_HIGH(4)
        NotificationChannel channel = new NotificationChannel(CHANNEL_ID, CHANNEL_NAME,
                NotificationManager.IMPORTANCE_DEFAULT);
        getManager().createNotificationChannel(channel);
    }

    /**
     * 获取创建一个NotificationManager的对象
     * @return                          NotificationManager对象
     */
    public NotificationManager getManager() {
        if (mManager == null) {
            mManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
        }
        return mManager;
    }

    /**
     * 清空所有的通知
     */
    public void clearNotification(){
        getManager().cancelAll();
    }

    /**
     * 获取Notification
     * @param title                     title
     * @param content                   content
     */
    public Notification getNotification(String title, String content , int icon){
        Notification build;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            //android 8.0以上需要特殊处理，也就是targetSDKVersion为26以上
            //通知用到NotificationCompat()这个V4库中的方法。但是在实际使用时发现书上的代码已经过时并且Android8.0已经不支持这种写法
            Notification.Builder builder = getChannelNotification(title, content, icon);
            build = builder.build();
        } else {
            NotificationCompat.Builder builder = getNotificationCompat(title, content, icon);
            build = builder.build();
        }
        if (flags!=null && flags.length>0){
            for (int a=0 ; a<flags.length ; a++){
                build.flags |= flags[a];
            }
        }
        return build;
    }

    /**
     * 建议使用这个发送通知
     * 调用该方法可以发送通知
     * @param notifyId                  notifyId
     * @param title                     title
     * @param content                   content
     */
    public void sendNotification(int notifyId, String title, String content , int icon) {
        Notification build;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            //android 8.0以上需要特殊处理，也就是targetSDKVersion为26以上
            //通知用到NotificationCompat()这个V4库中的方法。但是在实际使用时发现书上的代码已经过时并且Android8.0已经不支持这种写法
            Notification.Builder builder = getChannelNotification(title, content, icon);
            build = builder.build();
        } else {
            NotificationCompat.Builder builder = getNotificationCompat(title, content, icon);
            build = builder.build();
        }
        if (flags!=null && flags.length>0){
            for (int a=0 ; a<flags.length ; a++){
                build.flags |= flags[a];
            }
        }
        getManager().notify(notifyId, build);
    }

    /**
     * 调用该方法可以发送通知
     * @param notifyId                  notifyId
     * @param title                     title
     * @param content                   content
     */
    public void sendNotificationCompat(int notifyId, String title, String content , int icon) {
        NotificationCompat.Builder builder = getNotificationCompat(title, content, icon);
        Notification build = builder.build();
        if (flags!=null && flags.length>0){
            for (int a=0 ; a<flags.length ; a++){
                build.flags |= flags[a];
            }
        }
        getManager().notify(notifyId, build);
    }


    private NotificationCompat.Builder getNotificationCompat(String title, String content, int icon) {
        NotificationCompat.Builder builder;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            builder = new NotificationCompat.Builder(getApplicationContext(), CHANNEL_ID);
        } else {
            //注意用下面这个方法，在8.0以上无法出现通知栏。8.0之前是正常的。这里需要增强判断逻辑
            builder = new NotificationCompat.Builder(getApplicationContext());
            builder.setPriority(PRIORITY_DEFAULT);
        }
        builder.setContentTitle(title);
        builder.setContentText(content);
        builder.setSmallIcon(icon);
        builder.setPriority(priority);
        builder.setOnlyAlertOnce(onlyAlertOnce);
        builder.setOngoing(ongoing);
        if (remoteViews!=null){
            builder.setContent(remoteViews);
        }
        if (intent!=null){
            builder.setContentIntent(intent);
        }
        if (ticker!=null && ticker.length()>0){
            builder.setTicker(ticker);
        }
        if (when!=0){
            builder.setWhen(when);
        }
        if (sound!=null){
            builder.setSound(sound);
        }
        if (defaults!=0){
            builder.setDefaults(defaults);
        }
        //点击自动删除通知
        builder.setAutoCancel(true);
        return builder;
    }


    @RequiresApi(api = Build.VERSION_CODES.O)
    private Notification.Builder getChannelNotification(String title, String content, int icon){
        Notification.Builder builder = new Notification.Builder(getApplicationContext(), CHANNEL_ID);
        Notification.Builder notificationBuilder = builder
                //设置标题
                .setContentTitle(title)
                //消息内容
                .setContentText(content)
                //设置通知的图标
                .setSmallIcon(icon)
                //让通知左右滑的时候是否可以取消通知
                .setOngoing(ongoing)
                //设置优先级
                .setPriority(priority)
                //是否提示一次.true - 如果Notification已经存在状态栏即使在调用notify函数也不会更新
                .setOnlyAlertOnce(onlyAlertOnce)
                .setAutoCancel(true);
        if (remoteViews!=null){
            //设置自定义view通知栏
            notificationBuilder.setContent(remoteViews);
        }
        if (intent!=null){
            notificationBuilder.setContentIntent(intent);
        }
        if (ticker!=null && ticker.length()>0){
            //设置状态栏的标题
            notificationBuilder.setTicker(ticker);
        }
        if (when!=0){
            //设置通知时间，默认为系统发出通知的时间，通常不用设置
            notificationBuilder.setWhen(when);
        }
        if (sound!=null){
            //设置sound
            notificationBuilder.setSound(sound);
        }
        if (defaults!=0){
            //设置默认的提示音
            notificationBuilder.setDefaults(defaults);
        }
        if (pattern!=null){
            //自定义震动效果
            notificationBuilder.setVibrate(pattern);
        }
        return notificationBuilder;
    }



    private boolean ongoing = false;
    private RemoteViews remoteViews = null;
    private PendingIntent intent = null;
    private String ticker = "";
    private int priority = Notification.PRIORITY_DEFAULT;
    private boolean onlyAlertOnce = false;
    private long when = 0;
    private Uri sound = null;
    private int defaults = 0;
    private long[] pattern = null;

    /**
     * 让通知左右滑的时候是否可以取消通知
     * @param ongoing                   是否可以取消通知
     * @return
     */
    public NotificationUtils setOngoing(boolean ongoing){
        this.ongoing = ongoing;
        return this;
    }

    /**
     * 设置自定义view通知栏布局
     * @param remoteViews               view
     * @return
     */
    public NotificationUtils setContent(RemoteViews remoteViews){
        this.remoteViews = remoteViews;
        return this;
    }

    /**
     * 设置内容点击
     * @param intent                    intent
     * @return
     */
    public NotificationUtils setContentIntent(PendingIntent intent){
        this.intent = intent;
        return this;
    }

    /**
     * 设置状态栏的标题
     * @param ticker                    状态栏的标题
     * @return
     */
    public NotificationUtils setTicker(String ticker){
        this.ticker = ticker;
        return this;
    }


    /**
     * 设置优先级
     * 注意：
     * Android 8.0以及上，在 NotificationChannel 的构造函数中指定，总共要五个级别；
     * Android 7.1（API 25）及以下的设备，还得调用NotificationCompat 的 setPriority方法来设置
     *
     * @param priority                  优先级，默认是Notification.PRIORITY_DEFAULT
     * @return
     */
    public NotificationUtils setPriority(int priority){
        this.priority = priority;
        return this;
    }

    /**
     * 是否提示一次.true - 如果Notification已经存在状态栏即使在调用notify函数也不会更新
     * @param onlyAlertOnce             是否只提示一次，默认是false
     * @return
     */
    public NotificationUtils setOnlyAlertOnce(boolean onlyAlertOnce){
        this.onlyAlertOnce = onlyAlertOnce;
        return this;
    }

    /**
     * 设置通知时间，默认为系统发出通知的时间，通常不用设置
     * @param when                      when
     * @return
     */
    public NotificationUtils setWhen(long when){
        this.when = when;
        return this;
    }

    /**
     * 设置sound
     * @param sound                     sound
     * @return
     */
    public NotificationUtils setSound(Uri sound){
        this.sound = sound;
        return this;
    }


    /**
     * 设置默认的提示音
     * @param defaults                  defaults
     * @return
     */
    public NotificationUtils setDefaults(int defaults){
        this.defaults = defaults;
        return this;
    }

    /**
     * 自定义震动效果
     * @param pattern                  pattern
     * @return
     */
    public NotificationUtils setVibrate(long[] pattern){
        this.pattern = pattern;
        return this;
    }

    /**
     * 设置flag标签
     * @param flags                     flags
     * @return
     */
    public NotificationUtils setFlags(int... flags){
        this.flags = flags;
        return this;
    }

}