Android

	final Context context = this;

    public void onCreate(Bundle savedInstanceState) {

		..... 중략 .......
	
		Button btn1 = (Button) findViewById(R.id.button1);

		btn1.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View arg0) {
				

				// custom dialog
				final Dialog dialog = new Dialog(context);
				dialog.setContentView(R.layout.customdialog);
				dialog.setTitle("Title...");

				// set the custom dialog components - text, image and button
				TextView text = (TextView) dialog.findViewById(R.id.text);
				text.setText("Android custom dialog example!");
				ImageView image = (ImageView) dialog.findViewById(R.id.image);
				image.setImageResource(R.drawable.ic_launcher);

				Button dialogButton = (Button) dialog.findViewById(R.id.dialogButtonOK);
				// if button is clicked, close the custom dialog
				dialogButton.setOnClickListener(new OnClickListener() {
					@Override
					public void onClick(View v) {
						dialog.dismiss();
					}
				});

				dialog.show();
				
				
					
			}        	
		});	        
	

	<?xml version="1.0" encoding="utf-8"?>
	<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
		android:layout_width="fill_parent"
		android:layout_height="fill_parent" >
	 
		<ImageView
			android:id="@+id/image"
			android:layout_width="wrap_content"
			android:layout_height="wrap_content" />
	 
		<TextView
			android:id="@+id/text"
			android:layout_width="fill_parent"
			android:layout_height="wrap_content"
			android:layout_alignBottom="@+id/dialogButtonOK"
			android:layout_toRightOf="@+id/image"
			android:textColor="#FFF" />
	 
		 <Button
			 android:id="@+id/dialogButtonOK"
			 android:layout_width="match_parent"
			 android:layout_height="wrap_content"
			 android:layout_alignParentLeft="true"
			 android:layout_below="@+id/image"
			 android:layout_marginTop="34dp"
			 android:text=" Ok " />
	 
	</RelativeLayout>