Android Character Picker Dialog Example

package com.example.characterpickerdialog;
 
import android.app.Activity;
import android.os.Bundle;
import android.text.method.CharacterPickerDialog;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.Toast;
 
public class MainActivity extends Activity {
 
    private CharacterPickerDialog dialog = null;
    String options = "0123456789ABCDEFGHIJ";
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        Button button = (Button) this.findViewById(R.id.button1);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                dialog.show();
            }
        });
        dialog = new CharacterPickerDialog(this, new View(this), null, options,
                false) {
            public void onClick(View v) {
 
                Toast.makeText(getApplicationContext(),
                        "onClick! " + ((Button) v).getText().toString(),
                        Toast.LENGTH_SHORT).show();
                dismiss();
            }
 
            public void onItemClick(AdapterView parent, View view,
                    int position, long id) {
                dismiss();
            }
        };
    }
}