安卓(Android) 怎么判断是否使用AppOpsManager启用通知(Notification)

2019年10月6日22:39:55安卓(Android) 怎么判断是否使用AppOpsManager启用通知(Notification)已关闭评论 508 1427字阅读4分45秒

1.简介

安卓(Android) 怎么判断是否使用AppOpsManager启用通知(Notification)?——请看下文。

2.示例代码

/**
 * 版权所有 编程十万个怎么办(www.tah1986.com)
 */


import android.app.AppOpsManager;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public class Main {
    private static final String CHECK_OP_NO_THROW = "checkOpNoThrow";
    private static final String OP_POST_NOTIFICATION = "OP_POST_NOTIFICATION";

    public static boolean isNotificationEnabled(Context context) {

        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; 

        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 = (int) opPostNotificationValue.get(Integer.class);

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

        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (NoSuchMethodException e) {
            e.printStackTrace();
        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
        return false;
    }
}

 
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