SMS Permission Run time Android Studio

AndroidManifest.xml

<uses-permission android:name="android.permission.READ_SMS"></uses-permission>

<uses-permission android:name="android.permission.RECEIVE_SMS"></uses-permission>

MainActivity.java

package com.sjt.smspermissionruntime;




import android.Manifest;

import android.content.DialogInterface;

import android.content.pm.PackageManager;

import android.support.v4.app.ActivityCompat;

import android.support.v4.content.ContextCompat;

import android.support.v7.app.AlertDialog;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.util.Log;




import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;




public class MainActivity extends AppCompatActivity {

    public static final int REQUEST_ID_MULTIPLE_PERMISSIONS = 1;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);




        if (checkAndRequestPermissions()) {

            // carry on the normal flow, as the case of  permissions  granted.

            // Toast.makeText(SignUp.this,"Granted",Toast.LENGTH_LONG).show();

        }







    }




    private  boolean checkAndRequestPermissions() {

        int permissionSendMessage = ContextCompat.checkSelfPermission(this,

                Manifest.permission.READ_SMS);

        int locationPermission = ContextCompat.checkSelfPermission(this, Manifest.permission.RECEIVE_SMS);

        List<String> listPermissionsNeeded = new ArrayList<>();

        if (locationPermission != PackageManager.PERMISSION_GRANTED) {

            listPermissionsNeeded.add(Manifest.permission.READ_SMS);

        }

        if (permissionSendMessage != PackageManager.PERMISSION_GRANTED) {

            listPermissionsNeeded.add(Manifest.permission.RECEIVE_SMS);

        }

        if (!listPermissionsNeeded.isEmpty()) {

            ActivityCompat.requestPermissions(this,

 listPermissionsNeeded.toArray(new String[listPermissionsNeeded.size()]),

                    REQUEST_ID_MULTIPLE_PERMISSIONS);

            return false;

        }

        return true;

    }

    @Override

    public void onRequestPermissionsResult(int requestCode,

                                           String permissions[], int[] grantResults) {

        Log.d("Permission", "Permission callback called-------");

        switch (requestCode) {

            case REQUEST_ID_MULTIPLE_PERMISSIONS: {




                Map<String, Integer> perms = new HashMap<>();

                // Initialize the map with both permissions

                perms.put(Manifest.permission.READ_SMS, PackageManager.PERMISSION_GRANTED);

                perms.put(Manifest.permission.RECEIVE_SMS, PackageManager.PERMISSION_GRANTED);

                // Fill with actual results from user

                if (grantResults.length > 0) {

                    for (int i = 0; i < permissions.length; i++)

                        perms.put(permissions[i], grantResults[i]);

                    // Check for both permissions

                    if (perms.get(Manifest.permission.READ_SMS) == PackageManager.PERMISSION_GRANTED

                            && perms.get(Manifest.permission.RECEIVE_SMS) == PackageManager.PERMISSION_GRANTED) {

                        Log.d("sms", "READ_SMS & RECEIVE_SMS services permission granted");

                        // process the normal flow

                        //else any one or both the permissions are not granted

                    } else {

                        Log.d("Some", "Some permissions are not granted ask again ");

                        //permission is denied (this is the first time, when "never ask again" is not checked) so ask again explaining the usage of permission

//                        // shouldShowRequestPermissionRationale will return true

                        //show the dialog or snackbar saying its necessary and try again otherwise proceed with setup.

                        if (ActivityCompat.shouldShowRequestPermissionRationale(this,

                                Manifest.permission.READ_SMS) ||

                                ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.RECEIVE_SMS)) {

                            showDialogOK("READ_SMS and RECEIVE_SMS Services Permission required for this app",

                                    new DialogInterface.OnClickListener() {

                                        @Override

                                        public void onClick(DialogInterface dialog, int which) {

                                            switch (which) {

                                                case DialogInterface.BUTTON_POSITIVE:

                                                    checkAndRequestPermissions();

                                                    break;

                                                case DialogInterface.BUTTON_NEGATIVE:

                                                    // proceed with logic by disabling the related features or quit the app.

                                                    break;

                                            }

                                        }

                                    });

                        }

                        //permission is denied (and never ask again is  checked)

                        //shouldShowRequestPermissionRationale will return false

                        else {

                            //  Toast.makeText(this, "Go to settings and enable permissions", Toast.LENGTH_LONG).show();

                            //                            //proceed with logic by disabling the related features or quit the app.

                        }

                    }

                }

            }

        }

    }




    private void showDialogOK(String message, DialogInterface.OnClickListener okListener) {

        new AlertDialog.Builder(this)

                .setMessage(message)

                .setPositiveButton("OK", okListener)

                .setNegativeButton("Cancel", okListener)

                .create()

                .show();

    }




}