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Permission For Marshmallow. 


public class MarshMallowPermission {

    public static final int RECORD_PERMISSION_REQUEST_CODE = 1;
    public static final int EXTERNAL_STORAGE_PERMISSION_REQUEST_CODE = 2;
    public static final int CAMERA_PERMISSION_REQUEST_CODE = 3;
    public static final int GPS_FINE_LOCATION_PERMISSION_REQUEST_CODE = 4;
    public static final int GPS_COARSE_LOCATION_PERMISSION_REQUEST_CODE = 5;
    public static final int PHONE_CALL_PERMISSION_REQUEST_CODE = 6;
    public static final int SEND_SMS_PERMISSION_REQUEST_CODE = 7;


    Activity activity;

    public MarshMallowPermission(Activity activity) {
        this.activity = activity;
    }

    public boolean checkPermissionForRecord() {
        int result = ContextCompat.checkSelfPermission(activity,
         Manifest.permission.RECORD_AUDIO);
        return result == PackageManager.PERMISSION_GRANTED;
    }

    public boolean checkPermissionForExternalStorage() {
        int result = ContextCompat.checkSelfPermission(activity,
 Manifest.permission.WRITE_EXTERNAL_STORAGE);
        return result == PackageManager.PERMISSION_GRANTED;
    }

    public boolean checkPermissionForCamera() {
        int result = ContextCompat.checkSelfPermission(activity,
     Manifest.permission.CAMERA);
        return result == PackageManager.PERMISSION_GRANTED;
    }

    public boolean checkPermissionForFineLocation() {
        int result = ContextCompat.checkSelfPermission(activity, 
Manifest.permission.ACCESS_FINE_LOCATION);
        return result == PackageManager.PERMISSION_GRANTED;
    }

    public boolean checkPermissionForCoarseLocation() {
        int result = ContextCompat.checkSelfPermission(activity, 
      Manifest.permission.ACCESS_COARSE_LOCATION);
        return result == PackageManager.PERMISSION_GRANTED;
    }


    public boolean checkPermissionForDial() {
        int result = ContextCompat.checkSelfPermission(activity, 
      Manifest.permission.CALL_PHONE);
        return result == PackageManager.PERMISSION_GRANTED;
    }

    public boolean checkPermissionForSendSMS() {
        int result = ContextCompat.checkSelfPermission(activity,
     Manifest.permission.SEND_SMS);
        return result == PackageManager.PERMISSION_GRANTED;
    }


    public void requestPermissionForRecord() {
        if (ActivityCompat.shouldShowRequestPermissionRationale(activity,
       Manifest.permission.RECORD_AUDIO)) {
//            Toast.makeText(activity, "Microphone 
    permission needed for recording. Please allow in App Settings for additional 
    functionality.", Toast.LENGTH_LONG).show();

            String message = "You need to grant access to Record feature";
            showMessageOKCancel(message,
                    new DialogInterface.OnClickListener() {
                        @Override

                        public void onClick(DialogInterface dialog, int which) {
                            if (activity == null)
                                return;

                            ActivityCompat.requestPermissions(activity, 
        new String[]{Manifest.permission.RECORD_AUDIO}, RECORD_PERMISSION_REQUEST_CODE);
                        }
                    });
        } else {
            ActivityCompat.requestPermissions(activity, 
     new String[]{Manifest.permission.RECORD_AUDIO}, RECORD_PERMISSION_REQUEST_CODE);
        }
    }

    public void requestPermissionForExternalStorage() {
        if (ActivityCompat.shouldShowRequestPermissionRationale(activity,
        Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
//            Toast.makeText(activity, "External Storage permission needed. 
Please allow in App Settings for additional functionality.", Toast.LENGTH_LONG).show();

            String message = "You need to grant access to Storage";
            showMessageOKCancel(message,
                    new DialogInterface.OnClickListener() {
                        @Override

                        public void onClick(DialogInterface dialog, int which) {
                            if (activity == null)
                                return;

                            ActivityCompat.requestPermissions(activity, 
        new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
        EXTERNAL_STORAGE_PERMISSION_REQUEST_CODE);
                        }
                    });
        } else {
            ActivityCompat.requestPermissions(activity, 
      new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, 
      EXTERNAL_STORAGE_PERMISSION_REQUEST_CODE);
        }
    }

    public void requestPermissionForDial() {
        if (ActivityCompat.shouldShowRequestPermissionRationale(activity, 
        Manifest.permission.CALL_PHONE)) {
//            Toast.makeText(activity, "External Storage permission needed. 
      Please allow in App Settings for additional functionality.", Toast.LENGTH_LONG).show();

            String message = "You need to grant access to Storage";
            showMessageOKCancel(message,
                    new DialogInterface.OnClickListener() {
                        @Override

                        public void onClick(DialogInterface dialog, int which) {
                            if (activity == null)
                                return;

                            ActivityCompat.requestPermissions(activity,  
      new String[]{Manifest.permission.CALL_PHONE}, PHONE_CALL_PERMISSION_REQUEST_CODE);
                        }
                    });
        } else {
            ActivityCompat.requestPermissions(activity,
       new String[]{Manifest.permission.CALL_PHONE}, PHONE_CALL_PERMISSION_REQUEST_CODE);
        }
    }

    public void requestPermissionForCamera() {
        if (ActivityCompat.shouldShowRequestPermissionRationale(activity,
      Manifest.permission.CAMERA)) {
//            Toast.makeText(activity, "Camera permission needed. 
      Please allow in App Settings for additional functionality.", Toast.LENGTH_LONG).show();

            String message = "You need to grant access to Camera feature";
            showMessageOKCancel(message,
                    new DialogInterface.OnClickListener() {
                        @Override

                        public void onClick(DialogInterface dialog, int which) {
                            if (activity == null)
                                return;

                            ActivityCompat.requestPermissions(activity,
          new String[]{Manifest.permission.CAMERA}, CAMERA_PERMISSION_REQUEST_CODE);
                        }
                    });
        } else {
            ActivityCompat.requestPermissions(activity,
        new String[]{Manifest.permission.CAMERA}, CAMERA_PERMISSION_REQUEST_CODE);
        }
    }

    public void requestPermissionForGPS() {
        if (ActivityCompat.shouldShowRequestPermissionRationale(activity, 
         Manifest.permission.ACCESS_FINE_LOCATION)) {
//            Toast.makeText(activity, "GPS permission needed. 
      Please allow in App Setting for additional functionality", Toast.LENGTH_LONG).show();

            String message = "You need to grant access to GPS feature";
            showMessageOKCancel(message,
                    new DialogInterface.OnClickListener() {
                        @Override

                        public void onClick(DialogInterface dialog, int which) {
                            if (activity == null)
                                return;

                            ActivityCompat.requestPermissions(activity, 
       new String[]{Manifest.permission.ACCESS_FINE_LOCATION},  
      GPS_FINE_LOCATION_PERMISSION_REQUEST_CODE);
                        }
                    });
        } else {
            ActivityCompat.requestPermissions(activity, 
    new String[]{Manifest.permission.ACCESS_FINE_LOCATION},
      GPS_FINE_LOCATION_PERMISSION_REQUEST_CODE);
        }
    }

    public void requestPermissionForGPS1() {
        if (ActivityCompat.shouldShowRequestPermissionRationale(activity, 
           Manifest.permission.ACCESS_COARSE_LOCATION)) {
//            Toast.makeText(activity, "GPS permission needed. 
     Please allow in App Setting for additional functionality", Toast.LENGTH_LONG).show();

            String message = "You need to grant access to GPS feature";
            showMessageOKCancel(message,
                    new DialogInterface.OnClickListener() {
                        @Override

                        public void onClick(DialogInterface dialog, int which) {
                            if (activity == null)
                                return;

                            ActivityCompat.requestPermissions(activity, 
        new String[]{Manifest.permission.ACCESS_COARSE_LOCATION},
       GPS_COARSE_LOCATION_PERMISSION_REQUEST_CODE);
                        }
                    });
        } else {
            ActivityCompat.requestPermissions(activity,
    new String[]{Manifest.permission.ACCESS_COARSE_LOCATION},
    GPS_COARSE_LOCATION_PERMISSION_REQUEST_CODE);
        }
    }


    public void requestPermissionsForCameraNew() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            ActivityCompat.requestPermissions(activity,
     new String[]{Manifest.permission.CAMERA}, CAMERA_PERMISSION_REQUEST_CODE);
        }
    }

    public void requestPermissionsForExternalStorageNew() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            ActivityCompat.requestPermissions(activity,
    new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
     EXTERNAL_STORAGE_PERMISSION_REQUEST_CODE);
        }
    }

    public void requestPermissionsForDialNew() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            ActivityCompat.requestPermissions(activity,
   new String[]{Manifest.permission.CALL_PHONE}, PHONE_CALL_PERMISSION_REQUEST_CODE);
        }
    }

    public void requestPermissionsForFineLocationNew() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            ActivityCompat.requestPermissions(activity,
   new String[]{Manifest.permission.ACCESS_FINE_LOCATION},
      GPS_FINE_LOCATION_PERMISSION_REQUEST_CODE);
        }
    }

    public void requestPermissionsForSendSmsNew() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            ActivityCompat.requestPermissions(activity,  
          new String[]{Manifest.permission.SEND_SMS}, SEND_SMS_PERMISSION_REQUEST_CODE);
        }
    }


    private void showMessageOKCancel(String message,
      DialogInterface.OnClickListener okListener) {
        if (activity == null)
            return;

        new AlertDialog.Builder(activity)
                .setMessage(message)
                .setPositiveButton("OK", okListener)
                .setNegativeButton("Cancel", null)
                .create()
                .show();
    }

}
 
 
============================================================================================
 
 
 
Access This Class  in Your Class means .Java file 






MarshMallowPermission marshMallowPermission = new MarshMallowPermission(YourActivity.this);

// request cameraif (!marshMallowPermission.checkPermissionForCamera()) {
    marshMallowPermission.requestPermissionForCamera();
    return;
}









































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