Permission Util #android #utils #permission

PermissionUtil.java

  	@SuppressLint("WrongConstant")
    public static boolean canDrawOverlays(Context context) {
        if (Build.VERSION.SDK_INT >= 23) {
            return Settings.canDrawOverlays(context);
        } else {
            if (Build.MANUFACTURER.equalsIgnoreCase("xiaomi")) {
                return true;
            }
            AppOpsManager appOpsManager = (AppOpsManager) context.getSystemService("appops");
            Method method = null;
            try {
                if (Build.VERSION.SDK_INT >= 19) {
                    method = AppOpsManager.class.getMethod("checkOpNoThrow", Integer.TYPE, Integer.TYPE, String.class);
                }
                method.setAccessible(true);
                return (Integer) method.invoke(appOpsManager, 24, Binder.getCallingUid(), context.getPackageName()) == 0;
            } catch (Exception e) {
                e.printStackTrace();
                return true;
            }
        }
    }
    
     public static boolean openSettingPermission(Context context, Intent intent) {
        if (context.getPackageManager().queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY).size() > 0) {
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            context.startActivity(intent);
            return true;
        }
        new StringBuilder("Intent is not available! ").append(intent);
        return false;
    }
    
    public static boolean allow(Context context, String... permissions) {
        if (Build.VERSION.SDK_INT < 23) {
            return true;
        }
        return PermissionUtils.hasSelfPermissions(context, permissions);
    }

    public static List<String> getPermissionsNotAllow(Context context, String... permissions) {
        List<String> permissionList = new ArrayList<>();
        for (String str : permissions) {
            if (!allow(context, str)) {
                permissionList.add(str);
            }
        }
        return permissionList;
    }