NotificationSetUtilDemo【判斷APP通知欄權限是否開啓，以及如何跳轉到應用程序設置界面】

時間 2019-11-06

標籤 notificationsetutildemo 判斷 app 通知權限是否開啓以及如何轉到應用程序設置界面简体版

原文原文鏈接

前言

當APP有推送功能時，須要判斷當前app在手機中是否開啓了容許消息推送，不然即便添加了推送代碼仍然收不到通知。html

效果圖

oppo上的效果：java

使用步驟

1、項目組織結構圖

注意事項：android

一、導入類文件後須要change包名以及從新import R文件路徑api

二、 Values目錄下的文件（strings.xml、dimens.xml、colors.xml等），若是項目中存在，則複製裏面的內容，不要整個覆蓋app

2、導入步驟

一、將NotificationSetUtil.java類複製到項目中ide

package com.why.project.notificationsetutildemo.utils;

import android.app.AppOpsManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.net.Uri;
import android.os.Build;
import android.support.annotation.RequiresApi;
import android.support.v4.app.NotificationManagerCompat;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

/**
 * Created by HaiyuKing
 * Used 判斷是否開啓消息通知，沒有開啓的話跳轉到手機系統設置界面
 * 參考：https://blog.csdn.net/lidayingyy/article/details/81778894
 * https://www.jianshu.com/p/205bc87cac29
 * https://blog.csdn.net/yrmao9893/article/details/74607402/
 * https://www.meiwen.com.cn/subject/qcklpftx.html
 */
public class NotificationSetUtil {

    //判斷是否須要打開設置界面
    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
    public static void OpenNotificationSetting(Context context, OnNextLitener mOnNextLitener) {
        if (!isNotificationEnabled(context)) {
            gotoSet(context);
        } else {
            if (mOnNextLitener != null) {
                mOnNextLitener.onNext();
            }
        }
    }

    //判斷該app是否打開了通知
    /**
     * 能夠經過NotificationManagerCompat 中的 areNotificationsEnabled()來判斷是否開啓通知權限。NotificationManagerCompat 在 android.support.v4.app包中，是API 22.1.0 中加入的。而 areNotificationsEnabled()則是在 API 24.1.0以後加入的。
     * areNotificationsEnabled 只對 API 19 及以上版本有效，低於API 19 會一直返回true
     * */
    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
    public static boolean isNotificationEnabled(Context context) {
        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT){
            NotificationManagerCompat notificationManagerCompat = NotificationManagerCompat.from(context);
            boolean areNotificationsEnabled = notificationManagerCompat.areNotificationsEnabled();
            return areNotificationsEnabled;
        }

        String CHECK_OP_NO_THROW = "checkOpNoThrow";
        String OP_POST_NOTIFICATION = "OP_POST_NOTIFICATION";

        AppOpsManager mAppOps = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
        ApplicationInfo appInfo = context.getApplicationInfo();
        String pkg = context.getApplicationContext().getPackageName();
        int uid = appInfo.uid;

        Class appOpsClass = null;
        /* Context.APP_OPS_MANAGER */
        try {
            appOpsClass = Class.forName(AppOpsManager.class.getName());
            Method checkOpNoThrowMethod = appOpsClass.getMethod(CHECK_OP_NO_THROW, Integer.TYPE, Integer.TYPE,
                    String.class);
            Field opPostNotificationValue = appOpsClass.getDeclaredField(OP_POST_NOTIFICATION);

            int value = (Integer) opPostNotificationValue.get(Integer.class);
            return ((Integer) checkOpNoThrowMethod.invoke(mAppOps, value, uid, pkg) == AppOpsManager.MODE_ALLOWED);

        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;

    }

    //打開手機設置頁面
    /**
     * 假設沒有開啓通知權限，點擊以後就須要跳轉到 APP的通知設置界面，對應的Action是：Settings.ACTION_APP_NOTIFICATION_SETTINGS, 這個Action是 API 26 後增長的
     * 若是在部分手機中沒法精確的跳轉到 APP對應的通知設置界面，那麼咱們就考慮直接跳轉到 APP信息界面，對應的Action是：Settings.ACTION_APPLICATION_DETAILS_SETTINGS*/
    private static void gotoSet(Context context) {

        Intent intent = new Intent();
        if (Build.VERSION.SDK_INT >= 26) {
            // android 8.0引導
            intent.setAction("android.settings.APP_NOTIFICATION_SETTINGS");
            intent.putExtra("android.provider.extra.APP_PACKAGE", context.getPackageName());
        } else if (Build.VERSION.SDK_INT >= 21) {
            // android 5.0-7.0
            intent.setAction("android.settings.APP_NOTIFICATION_SETTINGS");
            intent.putExtra("app_package", context.getPackageName());
            intent.putExtra("app_uid", context.getApplicationInfo().uid);
        } else {
            // 其餘
            intent.setAction("android.settings.APPLICATION_DETAILS_SETTINGS");
            intent.setData(Uri.fromParts("package", context.getPackageName(), null));
        }
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(intent);
    }

    /*=====================添加Listener回調================================*/
    public interface OnNextLitener {
        /**
         * 不須要設置通知的下一步
         */
        void onNext();
    }

    private OnNextLitener mOnNextLitener;

    public void setOnNextLitener(OnNextLitener mOnNextLitener) {
        this.mOnNextLitener = mOnNextLitener;
    }
}

NotificationSetUtil.java

3、使用方法

package com.why.project.notificationsetutildemo;

import android.content.Context;
import android.os.Build;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.Toast;

import com.why.project.notificationsetutildemo.utils.NotificationSetUtil;

public class MainActivity extends AppCompatActivity {

    private Context mContext;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mContext = this;


        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { //判斷是否須要開啓通知欄功能
            NotificationSetUtil.OpenNotificationSetting(mContext, new NotificationSetUtil.OnNextLitener() { @Override public void onNext() { Toast.makeText(mContext,"已開啓通知權限",Toast.LENGTH_SHORT).show(); } }); }
    }
}