How to Build a Dice Game in Java Android?

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target="_self">Beginner's DSA Sheet</a></li><li class="mega-dropdown__list-item" data-child="true" aria-expanded="false" data-expandable="false"><a href="https://www.geeksforgeeks.org/explore?page=1&sprint=50746f92a895c22a50504ac0c1fb9c84&sortBy=submissions&sprint_name=Top 50 Array Problems&itm_source=geeksforgeeks&itm_medium=main_header_outIndia&itm_campaign=DSA_Header" target="_self">Top 50 Array Problems</a></li><li class="mega-dropdown__list-item" data-child="true" aria-expanded="false" data-expandable="false"><a href="https://www.geeksforgeeks.org/explore?page=1&sprint=57184072610b884e5df3584cc534115d&sortBy=submissions&sprint_name=Top 50 String Problems&itm_source=geeksforgeeks&itm_medium=main_header_outIndia&itm_campaign=DSA_Header" target="_self">Top 50 String Problems</a></li><li class="mega-dropdown__list-item" data-child="true" aria-expanded="false" data-expandable="false"><a href="https://www.geeksforgeeks.org/explore?page=1&sprint=93d672753b74440c7427214c8ebf866d&sortBy=submissions&sprint_name=Top 50 DP Problems&itm_source=geeksforgeeks&itm_medium=main_header_outIndia&itm_campaign=DSA_Header" target="_self">Top 50 DP Problems</a></li><li class="mega-dropdown__list-item" data-child="true" aria-expanded="false" data-expandable="false"><a href="https://www.geeksforgeeks.org/explore?page=1&sprint=405e9db0f353691ad3b2d546b19145e9&sortBy=submissions&sprint_name=Top 50 Graph Problems&itm_source=geeksforgeeks&itm_medium=main_header_outIndia&itm_campaign=DSA_Header" target="_self">Top 50 Graph Problems</a></li><li class="mega-dropdown__list-item" data-child="true" aria-expanded="false" data-expandable="false"><a href="https://www.geeksforgeeks.org/explore?page=1&sprint=5f24de84b65bf7c4f4399c8111e26b81&sortBy=submissions&sprint_name=Top 50 Tree Problems&itm_source=geeksforgeeks&itm_medium=main_header_outIndia&itm_campaign=DSA_Header" target="_self">Top 50 Tree Problems</a></li></ul></li></ul></li><li class="mega-dropdown__list-item" data-child="true" aria-expanded="false" data-expandable="false"><a href="https://www.geeksforgeeks.org/competitive-programming-a-complete-guide/?ref=outind" target="_self">Competitive Programming</a></li><li class="mega-dropdown__list-item" data-parent="false" aria-expanded="true" data-expandable="true"><span>Company Wise SDE Sheets</span><i class="gfg-icon gfg-icon_arrow-right"></i><ul class="mega-dropdown Screen_2"><li class="mega-dropdown__list-item" data-child="true" aria-expanded="false" data-expandable="false"><a href="https://www.geeksforgeeks.org/facebookmeta-sde-sheet-interview-questions-and-answers/?ref=outind" target="_self">Facebook SDE Sheet</a></li><li class="mega-dropdown__list-item" data-child="true" aria-expanded="false" data-expandable="false"><a href="https://www.geeksforgeeks.org/amazon-sde-sheet-interview-questions-and-answers/?ref=outind" target="_self">Amazon SDE Sheet</a></li><li 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pid="532983" class="article--viewer_share tooltip"> <div class="three_dot_dropdown_div three_dot_dropdown_share" onmouseleave="closeShareModal()" onmouseenter="openShareModal()"> <div style="display: flex;align-items: center;" class="three_dot_dropdown_inner_div" data-gfg-action="share-article" data-bookmark-value="0"> <i class="gfg-share-icon"></i> <span>Share</span> </div> </div> </div> <div class="article--viewer_report tooltip"> <div class="three_dot_dropdown_div three_dot_dropdown_reportarticle"> <div class="three_dot_dropdown_inner_div" data-gfg-action="report-article" onclick="report_article();"> <i class="gfg-icon gfg-icon_report"></i> <span>Report</span> </div> </div>  </div> <div class="article--viewer_Gnews tooltip"> <a class="three_dot_dropdown_inner_div Gnews_wrapper" href ='https://news.google.com/publications/CAAqBwgKMLTrzwsw44bnAw?hl=en-IN&gl=IN&ceid=IN%3Aen' target="_blank"> <img class="gfg-icon_Gnews no-zoom-in-cursor" src=https://media.geeksforgeeks.org/auth-dashboard-uploads/Google-news.svg loading="lazy" alt="News"></img> <span class='kebab_menu_news_text'>Follow</span> </a> </div> </div> </div> <div class="text"> <p dir="ltr"><span>In this article, we will be building a Dice Game Project using </span><b><strong>Java and XML</strong></b><span> in Android. The Dice Game is based on a two-player game. Both players roll the dice and the player who gets the highest phase value will win the game. There will be a single activity in this application. This activity will show the two player’s name and their dice. The result will be displayed on the top and there will be a roll button at the bottom. A sample GIF is given below to get an idea about what we are going to do in this article. Note that we are going to聽implement this project using the聽</span><b><strong>Java</strong></b><span>聽language.</span></p> <p dir="ltr"><span>In this article, we will create a Java Android app which is Dice Game.聽</span></p> <h3><span>Prerequisite of the Android Topics</span></h3><ul><li value="1"><a href="https://www.geeksforgeeks.org/relative-layout-in-android/" rel="noopener" target="_blank"><span>Relative Layout </span></a></li><li value="2"><a href="https://www.geeksforgeeks.org/linearlayout-and-its-important-attributes-with-examples-in-android/" rel="noopener" target="_blank"><span>Linear Layout</span></a></li><li value="3"><a href="https://www.geeksforgeeks.org/working-with-the-textview-in-android/" rel="noopener" target="_blank"><span>TextView</span></a></li><li value="4"><a href="https://www.geeksforgeeks.org/button-in-kotlin/" rel="noopener" target="_blank"><span>Button</span></a></li></ul><img alt="Dice_Game" height="934" src="https://media.geeksforgeeks.org/wp-content/uploads/20240723114834/Dice_Game.png" srcset="https://media.geeksforgeeks.org/wp-content/uploads/20240723114834/Dice_Game.png 474w,https://media.geeksforgeeks.org/wp-content/uploads/20240723114834/Dice_Game-100.png 51w,https://media.geeksforgeeks.org/wp-content/uploads/20240723114834/Dice_Game-200.png 101w,https://media.geeksforgeeks.org/wp-content/uploads/20240723114834/Dice_Game-300.png 152w" width="474"/><p dir="ltr"><br/></p> <h2><span>Step-by-Step Implementation to Create Dice Game in Android Java</span></h2><h3><b><strong>Step 1: Create a New Project</strong></b></h3><p dir="ltr"><span>To create a new project in Android Studio please refer to </span><a href="https://www.geeksforgeeks.org/android-how-to-create-start-a-new-project-in-android-studio/" rel="noopener"><span>How to Create/Start a New Project in Android Studio</span></a><span>. </span></p> <blockquote><p dir="ltr"><span>Note that select </span><b><strong>Java</strong></b><span> as the programming language.</span></p> </blockquote><img alt="File_Structure_of_Project" height="228" loading="lazy" src="https://media.geeksforgeeks.org/wp-content/uploads/20240417111735/File_Directory.png" srcset="https://media.geeksforgeeks.org/wp-content/uploads/20240417111735/File_Directory.png 247w,https://media.geeksforgeeks.org/wp-content/uploads/20240417111735/File_Directory-100.png 100w,https://media.geeksforgeeks.org/wp-content/uploads/20240417111735/File_Directory-200.png 200w" width="247"/><h3><b><strong>Step 2:</strong></b><span> </span><b><strong>Before going to the coding section first you have to do some pre-task</strong></b></h3><h3><b><strong>i). Add Images in the Project</strong></b></h3><p dir="ltr"><span>All the dice images are listed below. Save them in your drawable folder in resources. Go to the </span><b><strong>app > res > drawable </strong></b><span>and paste the following files:</span></p> <ul><li value="1"><a href="https://media.geeksforgeeks.org/wp-content/uploads/20200508141000/dice1.png" rel="noopener"><span>Dice 1</span></a></li><li value="2"><a href="https://media.geeksforgeeks.org/wp-content/uploads/20200508141001/dice2.png" rel="noopener"><span>Dice 2</span></a></li><li value="3"><a href="https://media.geeksforgeeks.org/wp-content/uploads/20200508141003/dice3.png" rel="noopener"><span>Dice 3</span></a></li><li value="4"><a href="https://media.geeksforgeeks.org/wp-content/uploads/20200508141004/dice4.png" rel="noopener"><span>Dice 4</span></a></li><li value="5"><a href="https://media.geeksforgeeks.org/wp-content/uploads/20200508141005/dice5.png" rel="noopener"><span>Dice 5</span></a></li><li value="6"><a href="https://media.geeksforgeeks.org/wp-content/uploads/20200508141006/dice6.png" rel="noopener"><span>Dice 6</span></a></li></ul><p dir="ltr"><br/></p> <h3><b><strong>ii). Modify the colors.xml file:</strong></b></h3><p dir="ltr"><span>Add Color to the color.xml which is located in </span><b><strong>app > res > values</strong></b><span> and update data with the data mentioned below.</span></p> <img alt="color_file" height="199" loading="lazy" src="https://media.geeksforgeeks.org/wp-content/uploads/20240417111839/color_file.png" srcset="https://media.geeksforgeeks.org/wp-content/uploads/20240417111839/color_file.png 285w,https://media.geeksforgeeks.org/wp-content/uploads/20240417111839/color_file-100.png 100w,https://media.geeksforgeeks.org/wp-content/uploads/20240417111839/color_file-200.png 200w" width="285"/><p dir="ltr"><b><strong>Below is what color.xml looks like:</strong></b></p> <gfg-tabs data-run-ide="false"> <gfg-tab slot="tab">color.xml</gfg-tab> <gfg-panel slot="panel" data-code-lang="xml"> <code class="language-xml"><div class=highlight><pre><span></span><span class=cp><?xml version="1.0" encoding="utf-8"?></span> <span class=nt><resources></span> <span class=w> </span><span class=nt><color</span><span class=w> </span><span class=na>name=</span><span class=s>"colorPrimary"</span><span class=nt>></span>#6200EE<span class=nt></color></span> <span class=w> </span><span class=nt><color</span><span class=w> </span><span class=na>name=</span><span class=s>"colorPrimaryDark"</span><span class=nt>></span>#3700B3<span class=nt></color></span> <span class=w> </span><span class=nt><color</span><span class=w> </span><span class=na>name=</span><span class=s>"colorAccent"</span><span class=nt>></span>#03DAC5<span class=nt></color></span> <span class=w> </span><span class=nt><color</span><span class=w> </span><span class=na>name=</span><span class=s>"gradStop"</span><span class=nt>></span>#0F9D58<span class=nt></color></span> <span class=w> </span><span class=nt><color</span><span class=w> </span><span class=na>name=</span><span class=s>"white"</span><span class=nt>></span>#FFFFFF<span class=nt></color></span> <span class=nt></resources></span> </pre></div></code> </gfg-panel></gfg-tabs><h3><span>iii). Create New XML Files needed</span></h3><img alt="background" height="265" loading="lazy" src="https://media.geeksforgeeks.org/wp-content/uploads/20240417112028/background.png" srcset="https://media.geeksforgeeks.org/wp-content/uploads/20240417112028/background.png 286w,https://media.geeksforgeeks.org/wp-content/uploads/20240417112028/background-100.png 100w,https://media.geeksforgeeks.org/wp-content/uploads/20240417112028/background-200.png 200w" width="286"/><blockquote><p dir="ltr"><span>Note: There is no such file name as background.xml or btn_bg.xml . So, Navigate to </span><b><strong>app>res>drawable>Right click on it>New Drawable file </strong></b><span>and name it as background.xml , Similarly create btn_bg.xml.</span></p> </blockquote><h4><b><strong>-> background.xml file:</strong></b></h4><p dir="ltr"><b><strong>Below is the how background.xml file:</strong></b></p> <gfg-tabs data-run-ide="false"> <gfg-tab slot="tab">background.xml</gfg-tab> <gfg-panel slot="panel" data-code-lang="xml"> <code class="language-xml"><div class=highlight><pre><span></span><span class=cp><?xml version="1.0" encoding="utf-8"?></span> <span class=nt><selector</span><span class=w> </span><span class=na>xmlns:android=</span><span class=s>"http://schemas.android.com/apk/res/android"</span><span class=nt>></span> <span class=w> </span><span class=nt><item></span> <span class=w> </span><span class=nt><shape></span> <span class=w> </span><span class=nt><gradient</span> <span class=w> </span><span class=na>android:angle=</span><span class=s>"90"</span> <span class=w> </span><span class=na>android:startColor=</span><span class=s>"#0E5131"</span> <span class=w> </span><span class=na>android:endColor=</span><span class=s>"#0F9D58"</span> <span class=w> </span><span class=na>android:type=</span><span class=s>"linear"</span><span class=nt>/></span> <span class=w> </span><span class=nt></shape></span> <span class=w> </span><span class=nt></item></span> <span class=nt></selector></span> </pre></div></code> </gfg-panel></gfg-tabs><h4><b><strong>-> btn_bg.xml file:</strong></b></h4><p dir="ltr"><b><strong>Below is the btn_bg.xml file is mentioned below:</strong></b></p> <gfg-tabs data-run-ide="false"> <gfg-tab slot="tab">btn_bg.xml</gfg-tab> <gfg-panel slot="panel" data-code-lang="xml"> <code class="language-xml"><div class=highlight><pre><span></span><span class=nt><shape</span> <span class=w> </span><span class=na>xmlns:android=</span><span class=s>"http://schemas.android.com/apk/res/android"</span> <span class=w> </span><span class=na>android:shape=</span><span class=s>"rectangle"</span><span class=nt>></span> <span class=w> </span><span class=nt><corners</span><span class=w> </span><span class=na>android:topLeftRadius=</span><span class=s>"20dp"</span> <span class=w> </span><span class=na>android:topRightRadius=</span><span class=s>"20dp"</span> <span class=w> </span><span class=na>android:bottomLeftRadius=</span><span class=s>"20dp"</span> <span class=w> </span><span class=na>android:bottomRightRadius=</span><span class=s>"20dp"</span><span class=nt>/></span> <span class=w> </span><span class=nt><stroke</span><span class=w> </span><span class=na>android:color=</span><span class=s>"@color/white"</span> <span class=w> </span><span class=na>android:width=</span><span class=s>"2dp"</span><span class=nt>/></span> <span class=w> </span><span class=nt><solid</span><span class=w> </span><span class=na>android:color=</span><span class=s>"#022127"</span><span class=nt>/></span> <span class=nt></shape></span> </pre></div></code> </gfg-panel></gfg-tabs><p dir="ltr"><br/></p> <h3><b><strong>Step 3: Working with the activity_main.xml file</strong></b></h3><p dir="ltr"><span>The XML codes are used to build the structure of the activity as well as its styling part. It contains a </span><a href="https://www.geeksforgeeks.org/textview-widget-in-android-using-java-with-examples/" rel="noopener"><b><strong>TextView</strong></b></a><span> at the very top of the activity to show the game result. Then it contains two </span><a href="https://www.geeksforgeeks.org/imageview-in-kotlin/" rel="noopener"><b><strong>ImageView</strong></b></a><span>, each with a </span><b><strong>TextView</strong></b><span> for the Player name and the image of the rolled dice. At the bottom of the activity, there is a </span><a href="https://www.geeksforgeeks.org/button-in-kotlin/" rel="noopener"><b><strong>Button</strong></b></a><span> to roll the dice. Below is the code for the </span><b><strong>activity_main.xml</strong></b><span> file.</span></p> <gfg-tabs data-run-ide="false"> <gfg-tab slot="tab">activity_main.xml</gfg-tab> <gfg-panel slot="panel" data-code-lang="xml"> <code class="language-xml"><div class=highlight><pre><span></span><span class=cp><?xml version="1.0" encoding="utf-8"?></span> <span class=nt><RelativeLayout</span><span class=w> </span> <span class=w> </span><span class=na>xmlns:android=</span><span class=s>"http://schemas.android.com/apk/res/android"</span> <span class=w> </span><span class=na>android:layout_width=</span><span class=s>"match_parent"</span> <span class=w> </span><span class=na>android:layout_height=</span><span class=s>"match_parent"</span> <span class=w> </span><span class=na>android:background=</span><span class=s>"@drawable/background"</span> <span class=w> </span><span class=na>android:padding=</span><span class=s>"20dp"</span><span class=nt>></span> <span class=w> </span><span class=nt><TextView</span> <span class=w> </span><span class=na>android:id=</span><span class=s>"@+id/tvVar2"</span> <span class=w> </span><span class=na>android:layout_width=</span><span class=s>"wrap_content"</span> <span class=w> </span><span class=na>android:layout_height=</span><span class=s>"wrap_content"</span> <span class=w> </span><span class=na>android:layout_centerHorizontal=</span><span class=s>"true"</span> <span class=w> </span><span class=na>android:layout_marginBottom=</span><span class=s>"40dp"</span> <span class=w> </span><span class=na>android:fontFamily=</span><span class=s>"sans-serif-black"</span> <span class=w> </span><span class=na>android:gravity=</span><span class=s>"center"</span> <span class=w> </span><span class=na>android:text=</span><span class=s>"GFG | Android"</span> <span class=w> </span><span class=na>android:textSize=</span><span class=s>"40dp"</span> <span class=w> </span><span class=na>android:textStyle=</span><span class=s>"bold"</span><span class=w> </span><span class=nt>/></span> <span class=w> </span><span class=nt><TextView</span> <span class=w> </span><span class=na>android:id=</span><span class=s>"@+id/tvVar1"</span> <span class=w> </span><span class=na>android:layout_width=</span><span class=s>"match_parent"</span> <span class=w> </span><span class=na>android:layout_height=</span><span class=s>"60dp"</span> <span class=w> </span><span class=na>android:layout_below=</span><span class=s>"@+id/tvVar2"</span> <span class=w> </span><span class=na>android:fontFamily=</span><span class=s>"sans-serif-smallcaps"</span> <span class=w> </span><span class=na>android:gravity=</span><span class=s>"center"</span> <span class=w> </span><span class=na>android:text=</span><span class=s>"WINNER : Player 1"</span> <span class=w> </span><span class=na>android:textAlignment=</span><span class=s>"center"</span> <span class=w> </span><span class=na>android:textColor=</span><span class=s>"@color/white"</span> <span class=w> </span><span class=na>android:textSize=</span><span class=s>"35dp"</span><span class=w> </span><span class=nt>/></span> <span class=w> </span><span class=nt><LinearLayout</span> <span class=w> </span><span class=na>android:layout_width=</span><span class=s>"match_parent"</span> <span class=w> </span><span class=na>android:layout_height=</span><span class=s>"wrap_content"</span> <span class=w> </span><span class=na>android:layout_below=</span><span class=s>"@+id/tvVar1"</span> <span class=w> </span><span class=na>android:layout_marginTop=</span><span class=s>"40dp"</span> <span class=w> </span><span class=na>android:orientation=</span><span class=s>"vertical"</span><span class=nt>></span> <span class=w> </span><span class=nt><LinearLayout</span> <span class=w> </span><span class=na>android:layout_width=</span><span class=s>"wrap_content"</span> <span class=w> </span><span class=na>android:layout_height=</span><span class=s>"50dp"</span> <span class=w> </span><span class=na>android:layout_gravity=</span><span class=s>"center"</span> <span class=w> </span><span class=na>android:layout_marginBottom=</span><span class=s>"40dp"</span> <span class=w> </span><span class=na>android:orientation=</span><span class=s>"horizontal"</span><span class=nt>></span> <span class=w> </span><span class=nt><TextView</span> <span class=w> </span><span class=na>android:layout_width=</span><span class=s>"140dp"</span> <span class=w> </span><span class=na>android:layout_height=</span><span class=s>"50dp"</span> <span class=w> </span><span class=na>android:layout_gravity=</span><span class=s>"center"</span> <span class=w> </span><span class=na>android:gravity=</span><span class=s>"center"</span> <span class=w> </span><span class=na>android:padding=</span><span class=s>"10dp"</span> <span class=w> </span><span class=na>android:text=</span><span class=s>"Player 1"</span> <span class=w> </span><span class=na>android:textAlignment=</span><span class=s>"center"</span> <span class=w> </span><span class=na>android:textColor=</span><span class=s>"#000000"</span> <span class=w> </span><span class=na>android:textSize=</span><span class=s>"25dp"</span><span class=w> </span><span class=nt>/></span> <span class=w> </span><span class=nt><TextView</span> <span class=w> </span><span class=na>android:layout_width=</span><span class=s>"140dp"</span> <span class=w> </span><span class=na>android:layout_height=</span><span class=s>"50dp"</span> <span class=w> </span><span class=na>android:layout_gravity=</span><span class=s>"center"</span> <span class=w> </span><span class=na>android:gravity=</span><span class=s>"center"</span> <span class=w> </span><span class=na>android:padding=</span><span class=s>"10dp"</span> <span class=w> </span><span class=na>android:text=</span><span class=s>"Player 2"</span> <span class=w> </span><span class=na>android:textAlignment=</span><span class=s>"center"</span> <span class=w> </span><span class=na>android:textColor=</span><span class=s>"#000000"</span> <span class=w> </span><span class=na>android:textSize=</span><span class=s>"25dp"</span><span class=w> </span><span class=nt>/></span> <span class=w> </span><span class=nt></LinearLayout></span> <span class=w> </span><span class=nt><LinearLayout</span> <span class=w> </span><span class=na>android:layout_width=</span><span class=s>"wrap_content"</span> <span class=w> </span><span class=na>android:layout_height=</span><span class=s>"wrap_content"</span> <span class=w> </span><span class=na>android:layout_gravity=</span><span class=s>"center"</span> <span class=w> </span><span class=na>android:orientation=</span><span class=s>"horizontal"</span><span class=nt>></span> <span class=w> </span><span class=nt><ImageView</span> <span class=w> </span><span class=na>android:id=</span><span class=s>"@+id/ivVar1"</span> <span class=w> </span><span class=na>android:layout_width=</span><span class=s>"140dp"</span> <span class=w> </span><span class=na>android:layout_height=</span><span class=s>"140dp"</span> <span class=w> </span><span class=na>android:padding=</span><span class=s>"10dp"</span> <span class=w> </span><span class=na>android:src=</span><span class=s>"@drawable/dice6"</span><span class=w> </span><span class=nt>/></span> <span class=w> </span><span class=nt><ImageView</span> <span class=w> </span><span class=na>android:id=</span><span class=s>"@+id/ivVar2"</span> <span class=w> </span><span class=na>android:layout_width=</span><span class=s>"140dp"</span> <span class=w> </span><span class=na>android:layout_height=</span><span class=s>"140dp"</span> <span class=w> </span><span class=na>android:padding=</span><span class=s>"10dp"</span> <span class=w> </span><span class=na>android:src=</span><span class=s>"@drawable/dice6"</span><span class=w> </span><span class=nt>/></span> <span class=w> </span><span class=nt></LinearLayout></span> <span class=w> </span><span class=nt><Button</span> <span class=w> </span><span class=na>android:id=</span><span class=s>"@+id/btVar1"</span> <span class=w> </span><span class=na>android:layout_width=</span><span class=s>"wrap_content"</span> <span class=w> </span><span class=na>android:layout_height=</span><span class=s>"65dp"</span> <span class=w> </span><span class=na>android:layout_gravity=</span><span class=s>"center"</span> <span class=w> </span><span class=na>android:layout_marginTop=</span><span class=s>"60dp"</span> <span class=w> </span><span class=na>android:background=</span><span class=s>"@drawable/btn_bg"</span> <span class=w> </span><span class=na>android:gravity=</span><span class=s>"center"</span> <span class=w> </span><span class=na>android:padding=</span><span class=s>"12dp"</span> <span class=w> </span><span class=na>android:text=</span><span class=s>"Roll the Dice"</span> <span class=w> </span><span class=na>android:textAlignment=</span><span class=s>"center"</span> <span class=w> </span><span class=na>android:textColor=</span><span class=s>"#ffffff"</span> <span class=w> </span><span class=na>android:textSize=</span><span class=s>"30dp"</span><span class=w> </span><span class=nt>/></span> <span class=w> </span><span class=nt></LinearLayout></span> <span class=nt></RelativeLayout></span> </pre></div></code> </gfg-panel></gfg-tabs><p dir="ltr"><br/></p> <h3><b><strong>Step 4: Working with the MainActivity.java file</strong></b></h3><p dir="ltr"><span>We will create an array inside the Java file that will contain all the images of the dice. Then we will call </span><a href="https://www.geeksforgeeks.org/handling-click-events-button-android/" rel="noopener" target="_blank"><b><strong>onClickListener()</strong></b></a><span> for the button and generate two random numbers using the </span><b><strong>Random</strong></b><span> function. Then we will check the two numbers and display the result respectively. Also, we will set the two images from the array. Below is the code for the </span><b><strong>MainActivity.java</strong></b><span> file. Comments are added inside the code to understand the code in more detail.</span></p> <gfg-tabs data-run-ide="false"> <gfg-tab slot="tab">MainActivity.java</gfg-tab> <gfg-panel slot="panel" data-code-lang="java"> <code class="language-java"><div class=highlight><pre><span></span><span class=kn>import</span><span class=w> </span><span class=nn>android.os.Bundle</span><span class=p>;</span> <span class=kn>import</span><span class=w> </span><span class=nn>android.view.View</span><span class=p>;</span> <span class=kn>import</span><span class=w> </span><span class=nn>android.widget.Button</span><span class=p>;</span> <span class=kn>import</span><span class=w> </span><span class=nn>android.widget.ImageView</span><span class=p>;</span> <span class=kn>import</span><span class=w> </span><span class=nn>android.widget.TextView</span><span class=p>;</span> <span class=kn>import</span><span class=w> </span><span class=nn>androidx.appcompat.app.AppCompatActivity</span><span class=p>;</span> <span class=kn>import</span><span class=w> </span><span class=nn>java.util.Random</span><span class=p>;</span> <span class=kd>public</span><span class=w> </span><span class=kd>class</span> <span class=nc>MainActivity</span><span class=w> </span><span class=kd>extends</span><span class=w> </span><span class=n>AppCompatActivity</span><span class=w> </span><span class=p>{</span> <span class=w> </span> <span class=w> </span><span class=kd>public</span><span class=w> </span><span class=kd>static</span><span class=w> </span><span class=n>Button</span><span class=w> </span><span class=n>button</span><span class=p>;</span> <span class=w> </span><span class=kd>public</span><span class=w> </span><span class=kd>static</span><span class=w> </span><span class=n>TextView</span><span class=w> </span><span class=n>textView</span><span class=p>;</span> <span class=w> </span><span class=kd>public</span><span class=w> </span><span class=kd>static</span><span class=w> </span><span class=n>ImageView</span><span class=w> </span><span class=n>img1</span><span class=p>,</span><span class=w> </span><span class=n>img2</span><span class=p>;</span> <span class=w> </span><span class=nd>@Override</span> <span class=w> </span><span class=kd>protected</span><span class=w> </span><span class=kt>void</span><span class=w> </span><span class=nf>onCreate</span><span class=p>(</span><span class=n>Bundle</span><span class=w> </span><span class=n>savedInstanceState</span><span class=p>)</span><span class=w> </span><span class=p>{</span> <span class=w> </span><span class=kd>super</span><span class=p>.</span><span class=na>onCreate</span><span class=p>(</span><span class=n>savedInstanceState</span><span class=p>);</span> <span class=w> </span><span class=n>setContentView</span><span class=p>(</span><span class=n>R</span><span class=p>.</span><span class=na>layout</span><span class=p>.</span><span class=na>activity_main</span><span class=p>);</span> <span class=w> </span> <span class=w> </span><span class=c1>// array to store dice images</span> <span class=w> </span><span class=kd>final</span><span class=w> </span><span class=kt>int</span><span class=w> </span><span class=n>dice</span><span class=o>[]</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=p>{</span><span class=n>R</span><span class=p>.</span><span class=na>drawable</span><span class=p>.</span><span class=na>dice1</span><span class=p>,</span><span class=w> </span><span class=n>R</span><span class=p>.</span><span class=na>drawable</span><span class=p>.</span><span class=na>dice2</span><span class=p>,</span><span class=w> </span><span class=n>R</span><span class=p>.</span><span class=na>drawable</span><span class=p>.</span><span class=na>dice3</span><span class=p>,</span><span class=w> </span> <span class=w> </span><span class=n>R</span><span class=p>.</span><span class=na>drawable</span><span class=p>.</span><span class=na>dice4</span><span class=p>,</span><span class=w> </span><span class=n>R</span><span class=p>.</span><span class=na>drawable</span><span class=p>.</span><span class=na>dice5</span><span class=p>,</span><span class=w> </span><span class=n>R</span><span class=p>.</span><span class=na>drawable</span><span class=p>.</span><span class=na>dice6</span><span class=p>};</span> <span class=w> </span> <span class=w> </span><span class=c1>// linking the roll button from its id..</span> <span class=w> </span><span class=n>button</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>findViewById</span><span class=p>(</span><span class=n>R</span><span class=p>.</span><span class=na>id</span><span class=p>.</span><span class=na>btVar1</span><span class=p>);</span> <span class=w> </span> <span class=w> </span><span class=c1>// linking the result textview from its id..</span> <span class=w> </span><span class=n>textView</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>findViewById</span><span class=p>(</span><span class=n>R</span><span class=p>.</span><span class=na>id</span><span class=p>.</span><span class=na>tvVar1</span><span class=p>);</span> <span class=w> </span> <span class=w> </span><span class=c1>// linking both the imageView of </span> <span class=w> </span><span class=c1>// the dice images from its id..</span> <span class=w> </span><span class=n>img1</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>findViewById</span><span class=p>(</span><span class=n>R</span><span class=p>.</span><span class=na>id</span><span class=p>.</span><span class=na>ivVar1</span><span class=p>);</span> <span class=w> </span><span class=n>img2</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>findViewById</span><span class=p>(</span><span class=n>R</span><span class=p>.</span><span class=na>id</span><span class=p>.</span><span class=na>ivVar2</span><span class=p>);</span> <span class=w> </span> <span class=w> </span><span class=c1>// call the on click function</span> <span class=w> </span><span class=n>button</span><span class=p>.</span><span class=na>setOnClickListener</span><span class=p>(</span><span class=k>new</span><span class=w> </span><span class=n>View</span><span class=p>.</span><span class=na>OnClickListener</span><span class=p>()</span><span class=w> </span><span class=p>{</span> <span class=w> </span><span class=nd>@Override</span> <span class=w> </span><span class=kd>public</span><span class=w> </span><span class=kt>void</span><span class=w> </span><span class=nf>onClick</span><span class=p>(</span><span class=n>View</span><span class=w> </span><span class=n>v</span><span class=p>)</span><span class=w> </span><span class=p>{</span> <span class=w> </span> <span class=w> </span><span class=c1>// generate two random numbers </span> <span class=w> </span><span class=c1>// using Random function</span> <span class=w> </span><span class=n>Random</span><span class=w> </span><span class=n>random</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=k>new</span><span class=w> </span><span class=n>Random</span><span class=p>();</span> <span class=w> </span><span class=kt>int</span><span class=w> </span><span class=n>num1</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>random</span><span class=p>.</span><span class=na>nextInt</span><span class=p>(</span><span class=mi>6</span><span class=p>);</span> <span class=w> </span><span class=n>Random</span><span class=w> </span><span class=n>random1</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=k>new</span><span class=w> </span><span class=n>Random</span><span class=p>();</span> <span class=w> </span><span class=kt>int</span><span class=w> </span><span class=n>num2</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>random</span><span class=p>.</span><span class=na>nextInt</span><span class=p>(</span><span class=mi>6</span><span class=p>);</span> <span class=w> </span> <span class=w> </span><span class=c1>// the bigger number will be displayed in the</span> <span class=w> </span><span class=c1>// textView as the winner otherwise draw..</span> <span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>num1</span><span class=w> </span><span class=o>></span><span class=w> </span><span class=n>num2</span><span class=p>)</span><span class=w> </span><span class=p>{</span> <span class=w> </span><span class=n>textView</span><span class=p>.</span><span class=na>setText</span><span class=p>(</span><span class=s>"WINNER : Player 1"</span><span class=p>);</span> <span class=w> </span><span class=p>}</span><span class=w> </span><span class=k>else</span><span class=w> </span><span class=k>if</span><span class=w> </span><span class=p>(</span><span class=n>num2</span><span class=w> </span><span class=o>></span><span class=w> </span><span class=n>num1</span><span class=p>)</span><span class=w> </span><span class=p>{</span> <span class=w> </span><span class=n>textView</span><span class=p>.</span><span class=na>setText</span><span class=p>(</span><span class=s>"WINNER : Player 2"</span><span class=p>);</span> <span class=w> </span><span class=p>}</span><span class=w> </span><span class=k>else</span><span class=w> </span><span class=p>{</span> <span class=w> </span><span class=n>textView</span><span class=p>.</span><span class=na>setText</span><span class=p>(</span><span class=s>"RESULT : Draw"</span><span class=p>);</span> <span class=w> </span><span class=p>}</span> <span class=w> </span><span class=c1>// set the images from the array by the index</span> <span class=w> </span><span class=c1>// position of the numbers generated</span> <span class=w> </span><span class=n>img1</span><span class=p>.</span><span class=na>setImageResource</span><span class=p>(</span><span class=n>dice</span><span class=o>[</span><span class=n>num1</span><span class=o>]</span><span class=p>);</span> <span class=w> </span><span class=n>img2</span><span class=p>.</span><span class=na>setImageResource</span><span class=p>(</span><span class=n>dice</span><span class=o>[</span><span class=n>num2</span><span class=o>]</span><span class=p>);</span> <span class=w> </span><span class=p>}</span> <span class=w> </span><span class=p>});</span> <span class=w> </span><span class=p>}</span> <span class=p>}</span> </pre></div></code> </gfg-panel></gfg-tabs><h3><span>Final Result of the Java Android Application Created:</span></h3><div style="width: 640px;" class="wp-video"><video class="wp-video-shortcode" id="video-532983-2" width="640" height="360" preload="metadata" controls="controls"><source type="video/mp4" src="https://media.geeksforgeeks.org/wp-content/uploads/20240723114708/ezgif-6-b5f0962e02.mp4?_=2" /><a 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// gtag('config', 'AW-474915276'); gtag('config', 'G-DWCCJLKX3X'); gtag('config', 'AW-796001856'); </script>  <div id="GFG_AD_Desktop_Stickyunit_1x1"></div>   <style> :root { --com-extra-icons-mobile-image: url(https://media.geeksforgeeks.org/auth-dashboard-uploads/Com-Extra-Icons13.svg); --write-experience-card-1: #ECF5F5; --write-experience-card-icon-1: #21898C; --write-experience-card-2: #EAF2F7; --write-experience-card-icon-2: #3079AC; --write-experience-card-3: #FDEFE6; --write-experience-card-icon-3: #F5A572; --write-experience-card-4: #F1F8F5; --write-experience-card-icon-4: #91C4AD; --write-experience-card-5: #EEE7FF; --write-experience-card-icon-5: #8B72C9; --write-experience-card-6: #F2F8E6; --write-experience-card-icon-6: #78C57F; --editor-button-text-color: #6E6E73; --write-modal-background: #fefefe; --experience-sidebar: #000; --left-bar-background: #FFFFFF; --write-redirect-container:#EAF2F7; --write-redirect-container-hover:#d6e7f2; } /* Dark Mode */ body[data-dark-mode="true"] { --write-modal-background: #161c23; --experience-sidebar: #000; --left-bar-background: #F0F3F5; } .popup-main { padding: 20px 18px 20px 18px; border-radius: 8px; } .popup-main .popup-heading { display: flex; align-items: center; color: #E9E9EA; margin-bottom: 10px; justify-content: space-between; } .popup-main .close-icon { background-image: var(--com-extra-icons-mobile-image);background-position: -15px -1651px;height: 22px;width: 22px;transform: scale(1); margin-bottom: 12px; cursor: pointer; } .popup-main .experience-card { color: #000; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; /* margin-bottom:10px; */ } .popup-main a:hover, .popup-main a:active, .popup-main a:visited { color: inherit; text-decoration: none; } .popup-main .exp-card1, .popup-main .exp-card2, .popup-main .exp-card3, .popup-main .exp-card4, .popup-main .exp-card5, .popup-main .exp-card6 { display: flex; align-items: center; border-radius: 10px; cursor: pointer; } .popup-main .exp-card1 .icon1, .popup-main .exp-card2 .icon2, .popup-main .exp-card3 .icon3, .popup-main .exp-card4 .icon4, .popup-main .exp-card5 .icon5, .popup-main .exp-card6 .icon6 { width: 80px; height: 80px; border-radius: 10px 0px 0px 10px; display: flex; align-items: center; justify-content: center; background: var(--write-experience-card-icon-1); } .popup-main .exp-card1 .icon1, .popup-main .exp-card2 .icon2, .popup-main .exp-card3 .icon3, .popup-main .exp-card4 .icon4, .popup-main .exp-card5 .icon5, .popup-main .exp-card6 .icon6 { width: 80px; height: 80px; border-radius: 10px 0px 0px 10px; display: flex; align-items: center; justify-content: center; } .popup-main .exp-card1 .icon1 { background: var(--write-experience-card-icon-1); } .popup-main .exp-card2 .icon2 { background: var(--write-experience-card-icon-2); } .popup-main .exp-card3 .icon3 { background: var(--write-experience-card-icon-3); } .popup-main .exp-card4 .icon4 { background: var(--write-experience-card-icon-4); } .popup-main .exp-card5 .icon5 { background: var(--write-experience-card-icon-5); } .popup-main .exp-card6 .icon6 { background: var(--write-experience-card-icon-6); } .popup-main .exp-card6 .icon6-image { background-image: url(https://media.geeksforgeeks.org/auth-dashboard-uploads/compass.svg); width: 46px; height: 30px; background-size: 30px; background-repeat: no-repeat; background-position: center; } .popup-main .exp-card1 .icon1-image { background-image: var(--com-extra-icons-mobile-image); width: 46px; height: 28px; background-position: -4px -812px; } .popup-main .exp-card2 .icon2-image { background-image: var(--com-extra-icons-mobile-image); width: 46px; height: 28px; background-position: -4px -888px; } .popup-main .exp-card3 .icon3-image { background-image: var(--com-extra-icons-mobile-image); width: 46px; height: 28px; background-position: -4px -848px; } .popup-main .exp-card4 .icon4-image { background-image: url(https://media.geeksforgeeks.org/auth-dashboard-uploads/competitive.svg); width: 46px; height: 30px; background-size: 30px; background-repeat: no-repeat; background-position: center; } .popup-main .exp-card5 .icon5-image { background-image: var(--com-extra-icons-mobile-image); width: 46px; height: 33px; background-position: -4px -1217px; } .popup-main .exp-card1 .exp-card1-text, .popup-main .exp-card2 .exp-card2-text, .popup-main .exp-card3 .exp-card3-text, .popup-main .exp-card4 .exp-card4-text, .popup-main .exp-card5 .exp-card5-text, .popup-main .exp-card6 .exp-card6-text { display: flex; align-items: center; border-radius: 0px 10px 10px 0px; height: 80px; width: calc(100% - 80px); } .popup-main .exp-card1 { justify-content: flex-start; background: var(--write-experience-card-1); } .popup-main .exp-card2 { justify-content: flex-start; background: var(--write-experience-card-2); } .popup-main .exp-card3 { justify-content: flex-start; background: var(--write-experience-card-3); } .popup-main .exp-card4 { justify-content: flex-start; background: var(--write-experience-card-4); } .popup-main .exp-card5 { justify-content: flex-start; background: var(--write-experience-card-5); } .popup-main .exp-card6 { justify-content: flex-start; background: var(--write-experience-card-6); } .popup-main span { font-family: var(--font-primary); font-size: 14px; font-style: normal; font-weight: 500; line-height: normal; padding-left: 5px; padding-right: 5px; } #popup { display: none; background-color: var(--write-modal-background); padding: 20px; text-align: center; position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 1026; width: min(650px, calc(100% - 20px)); } .link-container-write{ display:flex; flex-direction:column; } .link-container-write > a { margin:7px 0px; } .phrase__container{ color:var(--color-gfg); border-radius: 6px; width: 100%; background-color:var(--write-redirect-container); padding: 15px; text-align: justify; font-size:14px; } .phrase__container:hover { color:var(--color-gfg) !important; background-color:var(--write-redirect-container-hover); } </style> <div class="popup-container"> <div id="popup" accesskey="" class="popup-main"> <div class="popup-heading"> <h2>What kind of Experience do you want to share?</h2> <div class="close-icon share-experience-modal-close"></div> </div>  <div class="experience-card"> <a class="exp-card5" href= "https://write.geeksforgeeks.org/posts-new?cid=e8fc46fe-75e7-4a4b-be3c-0c862d655ed0" target="_blank"> <div class="icon5"> <div class="icon5-image"></div> </div> <div class="exp-card5-text"> <span style="color: #000;">Interview Experiences</span> </div> </a> <a class="exp-card1" href="https://write.geeksforgeeks.org/posts-new?cid=82536bdb-84e6-4661-87c3-e77c3ac04ede" target="_blank"> <div class="icon1"> <div class="icon1-image"></div> </div> <div class="exp-card1-text"> <span style="color: #000;">Admission Experiences</span> </div> </a> <a class="exp-card6" href= "https://write.geeksforgeeks.org/posts-new?cid=5219b0b2-7671-40a0-9bda-503e28a61c31" target="_blank"> <div class="icon6"> <div class="icon6-image"></div> </div> <div class="exp-card6-text"> <span style="color: #000;">Career Journeys</span> </div> </a> <a class="exp-card2" href="https://write.geeksforgeeks.org/posts-new?cid=22ae3354-15b6-4dd4-a5b4-5c7a105b8a8f" target="_blank"> <div class="icon2"> <div class="icon2-image"></div> </div> <div class="exp-card2-text"> <span style="color: #000;">Work Experiences</span> </div> </a> <a class="exp-card3" href= "https://write.geeksforgeeks.org/posts-new?cid=c5e1ac90-9490-440a-a5fa-6180c87ab8ae" target="_blank"> <div class="icon3"> <div class="icon3-image"></div> </div> <div class="exp-card3-text"> <span style="color: #000;">Campus Experiences</span> </div> </a> <a class="exp-card4" href= "https://write.geeksforgeeks.org/posts-new?cid=5ebb8fe9-b980-4891-af07-f2d62a9735f2" target="_blank"> <div class="icon4"> <div class="icon4-image"></div> </div> <div class="exp-card4-text"> <span style="color: #000;">Competitive Exam Experiences</span> </div> </a> </div>  </div> <div id="overlay" onclick="toggleExperiencePopup()" style="display: block;min-height: 100vh;min-width: 100vw;position: fixed;top: 0;bottom: 0;right: 0;left: 0;display: none;justify-content: center;align-items: center;background: rgba(0,0,0,.702);z-index: 1025 !important;backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);word-break: keep-all;"></div> </div> <script> $('.share-experience-modal').click(function(e){ e.preventDefault(); var link = $(this).attr('href'); toggleExperiencePopup(link); }); function toggleExperiencePopup(link) { var popup = document.getElementById("popup"); var overlay = document.getElementById("overlay"); if (window.innerWidth < 992) { window.location.href = link; } else { popup.style.display = (popup.style.display === "block") ? "none" : "block"; overlay.style.display = (overlay.style.display === "block") ? "none" : "block"; } } $('.share-experience-modal-close').click(function(e){ var popup = document.getElementById("popup"); popup.style.display = 'none'; var overlay = document.getElementById("overlay"); overlay.style.display = 'none'; }); </script> </div> </body> </html>

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