App Permission

public class AppPermissions {
    private Activity mActivity;


    @Deprecated    public AppPermissions() {
    }

    public AppPermissions(Activity activity) {
        mActivity = activity;
    }

    public boolean hasPermission(String permission) {
        return ActivityCompat.checkSelfPermission(mActivity, permission)
                == PackageManager.PERMISSION_GRANTED;
    }

    public boolean hasPermission(String[] permissionsList) {
        for (String permission : permissionsList) {
            if (ActivityCompat.checkSelfPermission(mActivity, permission)
                    != PackageManager.PERMISSION_GRANTED) {
                return false;
            }
        }
        return true;
    }

    public void requestPermission(String permission, int requestCode) {
        if (ActivityCompat.checkSelfPermission(mActivity, permission)
                != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(mActivity, new String[] { permission }, requestCode);
        }
    }

    public void requestPermission(String[] permissionsList, int requestCode) {
        List<String> permissionNeeded = new ArrayList<>();
        for (String permission : permissionsList) {
            if (ActivityCompat.checkSelfPermission(mActivity, permission)
                    != PackageManager.PERMISSION_GRANTED) {
                permissionNeeded.add(permission);
            }
        }
        if (permissionNeeded.size() > 0) {
            ActivityCompat.requestPermissions(mActivity,
                    permissionNeeded.toArray(new String[permissionNeeded.size()]), requestCode);
        }
    }

    @Deprecated    public boolean hasPermission(Activity activity, String permission) {
        return ActivityCompat.checkSelfPermission(activity, permission)
                == PackageManager.PERMISSION_GRANTED;
    }

    @Deprecated    public boolean hasPermission(Activity activity, String[] permissionsList) {
        for (String permission : permissionsList) {
            if (ActivityCompat.checkSelfPermission(activity, permission)
                    != PackageManager.PERMISSION_GRANTED) {
                return false;
            }
        }
        return true;
    }

    @Deprecated    public void requestPermission(Activity activity, String permission, int requestCode) {
        if (ActivityCompat.checkSelfPermission(activity, permission)
                != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(activity, new String[] { permission }, requestCode);
        }
    }

    @Deprecated    public void requestPermission(Activity activity, String[] permissionsList, int requestCode) {
        List<String> permissionNeeded = new ArrayList<>();
        for (String permission : permissionsList) {
            if (ActivityCompat.checkSelfPermission(activity, permission)
                    != PackageManager.PERMISSION_GRANTED) {
                permissionNeeded.add(permission);
            }
        }
        if (permissionNeeded.size() > 0) {
            ActivityCompat.requestPermissions(activity,
                    permissionNeeded.toArray(new String[permissionNeeded.size()]), requestCode);
        }
    }
}