[Solved] get the selected value position

Try this way,hope this will help you to solve you problem.

main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:gravity="center">


    <Button
        android:id="@+id/btnSelectGender"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Select Gender"/>

</LinearLayout>

MyActivity.java

public class MyActivity extends Activity {

    private Button btnSelectGender;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        btnSelectGender = (Button) findViewById(R.id.btnSelectGender);
        btnSelectGender.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                showDialog(MyActivity.this, "Select Gender", getResources().getStringArray(R.array.Gender),new onGenderSelected() {
                    @Override
                    public void genderSelection(int position) {
                        btnSelectGender.setText(getResources().getStringArray(R.array.Gender)[position]);
                        Toast.makeText(MyActivity.this,getResources().getStringArray(R.array.Gender)[position]+" >>> "+getResources().getStringArray(R.array.Gender_id)[position],Toast.LENGTH_SHORT).show();
                        System.out.print("Gender Title : " +getResources().getStringArray(R.array.Gender)[position]);
                        System.out.print("Gender Value : " +getResources().getStringArray(R.array.Gender_id)[position]);
                    }
                });
            }
        });


    }

    public static void showDialog(Context c, String title, final String[] array,final onGenderSelected target) {
        AlertDialog.Builder builder = new AlertDialog.Builder(c);
        builder.setTitle(title);
        builder.setItems(array, new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialogInterface, int i) {
                target.genderSelection(i);
                dialogInterface.dismiss();
            }
        });

        builder.show();


    }
    public interface onGenderSelected{
        public void genderSelection(int position);
    }
}