Android通知栏权限是否开启

通知栏权限是否开启

需要分系统版本来操作
4.4版本一下不处理，4.4到8.0,8.0以上

@RequiresApi(api = Build.VERSION_CODES.KITKAT)
public static boolean isNotificationEnabled(Context context) {

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
        //8.0手机以上
        if (((NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE)).getImportance() == NotificationManager.IMPORTANCE_NONE) {
            return false;
        }
    }

    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;

    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;
}

如果解决问题，是不是要打赏一波呢