android: Custom Alert Dialog

layout/custom_dialog.xml


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="250dp"
    android:layout_height="match_parent"
    android:background="@drawable/alertstyle"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/text"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:gravity="center_horizontal"
        android:text="List Name"
        android:padding="5dp"
        android:textAppearance="?android:attr/textAppearanceLarge" />

    <View
        android:layout_width="fill_parent"
        android:layout_height="1dp"
        android:background="#FFFFFF" />
    
     <EditText
        android:id="@+id/text"
        android:hint="Enter List Name"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:padding="5dp" />

    <Button
        android:id="@+id/restart"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Save" 
        android:layout_gravity="center_horizontal"/>

</LinearLayout>

HomeActivity

package com.kubical.customalert.app;

import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.Button;

public class HomeActivity extends Activity {
private static final int DIALOG_GAME_RESTART = 0;
Dialog dialog;


    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        ((Button) findViewById(R.id.button1))
.setOnClickListener(new OnClickListener() {
@SuppressWarnings("deprecation")
@Override
public void onClick(View v) {
showDialog(DIALOG_GAME_RESTART);
}
});
    }
    
    @Override
    protected Dialog onCreateDialog(int id) {
       switch (id) {
       case DIALOG_GAME_RESTART:
         Context context=HomeActivity.this;
         dialog=new Dialog(context);
         dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
         dialog.setContentView(R.layout.custom_dialog);
         dialog.setTitle("hai");
         
         Button restart=(Button)dialog.findViewById(R.id.restart);

         restart.setOnClickListener(new OnClickListener() {
         @Override
         public void onClick(View v) {
            dialog.dismiss();

            //whatever code you want to execute on restart
         }
         });
       break;

       default: break;
       }
       return dialog;
    }
}



drawable/alertstyle.xml


<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle" >

    <gradient android:angle="90" android:endColor="#88a912" android:startColor="#88a912" />

</shape>