shikto1

    public class SessionManager {

    private SharedPreferences sharedPreferences;
    private SharedPreferences.Editor editor;
    private final String MY_PREF = "my_preferences";

    public SessionManager(Context context) {
        sharedPreferences = context.getSharedPreferences(MY_PREF, MODE_PRIVATE);
    }

shikto1

public class PermissionManager {
    
    private Context context;
    private SessionManager sessionManager;

    public PermissionManager(Context context){
        this.context = context;
        sessionManager = new SessionManager(context);
    }

shikto1

configurations.all {
    resolutionStrategy.eachDependency{
        DependencyResolveDetails details ->
            def requested=details.requested
            if(requested.group=="com.android.support"){
            if(!requested.name.startsWith("multidex")){
                details.useVersion("26.0.1")
            }
        }
    }

shikto1

   public String getInBangla(String string)
    {
        Character bangla_number[]={'১','২','৩','৪','৫','৬','৭','৮','৯','০'};
        Character eng_number[]={'1','2','3','4','5','6','7','8','9','0'};
        String values = "";
        char[] character = string.toCharArray();
        for (int i=0; i<character.length ; i++) {
            Character c = ' ';
            for (int j = 0; j < eng_number.length; j++) {
                if(character[i]==eng_number[j])

shikto1

public class ApiClient {
 
    public static final String BASE_URL = "http://api.themoviedb.org/3/";
    private static Retrofit retrofit = null;
 
    public static Retrofit getClient() {
        if (retrofit==null) {
            retrofit = new Retrofit.Builder()
                    .baseUrl(BASE_URL)
                    .addConverterFactory(GsonConverterFactory.create())

shikto1

 @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        switch (requestCode) {
            case REQUEST_CAMERA: {
                // If request is cancelled, the result arrays are empty.
                if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    //Permission was granted. Now you can call your method to open camera, fetch contact or whatever
                    openCamera();
                } else {

shikto1

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

  public void askForMultiplePermissions(){
        final int REQUEST_CODE = 13;
        String cameraPermissin = Manifest.permission.CAMERA;
        String readContactsPermission = Manifest.permission.READ_CONTACTS;
        String readExternalStoragePermission = Manifest.permission.READ_EXTERNAL_STORAGE;

shikto1

if (ContextCompat.checkSelfPermission(thisActivity,Manifest.permission.READ_CONTACTS)!= PackageManager.PERMISSION_GRANTED) {
    if (ActivityCompat.shouldShowRequestPermissionRationale(thisActivity,
            Manifest.permission.READ_CONTACTS)) {
        // Show an expanation to the user
    } else {
         if(isFirstTimeAsking(thisActivity, Manifest.permission.READ_CONTACTS){
               firstTimeAsking(thisActivity,Manifest.permission.READ_CONTACTS, false);
               ActivityCompat.requestPermissions(thisActivity,new String[]{Manifest.permission.CAMERA}, REQUEST_CAMERA); 
         } else {

shikto1

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    private PermissionManager permissionManager;
    private Button openCameraButton;
    private ImageView imageView;
    private final int REQUEST_CAMERA = 13;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

shikto1

import io.fabric.sdk.android.Fabric;
import com.crashlytics.android.Crashlytics;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);