Add an android dialog 19.04.22

1 Android Layout Files

Two XML files, one for main screen, one for custom dialog.

File : res/layout/main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >
 
    <Button
        android:id="@+id/buttonShowCustomDialog"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Show Custom Dialog" />
         
</LinearLayout>

File : res/layout/custom.xml

<?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"
        android:layout_marginRight="5dp" />

2. Activity

Read the comment and demo in next step, it should be self-explorary.

File : MainActivity.java

package com.mkyong.android;

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.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;

public class MainActivity extends Activity {

final Context context = this;
	private Button button;

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);
		setContentView(R.layout.main);

button = (Button) findViewById(R.id.buttonShowCustomDialog);

// add button listener
		button.setOnClickListener(new OnClickListener() {

@Override
		  public void onClick(View arg0) {

// custom dialog
			final Dialog dialog = new Dialog(context);
			dialog.setContentView(R.layout.custom);
			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();
		  }
		});
	}
}

https://mkyong.com/android/android-custom-dialog-example/

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Add an android dialog 19.04.22

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