├── .gitignore
├── .idea
├── caches
│ └── build_file_checksums.ser
├── codeStyles
│ └── Project.xml
├── gradle.xml
├── misc.xml
└── runConfigurations.xml
├── LICENSE.md
├── ReadMe.md
├── app
├── .gitignore
├── build.gradle
├── proguard-rules.pro
└── src
│ ├── androidTest
│ └── java
│ │ └── com
│ │ └── pd
│ │ └── mlgame
│ │ └── ExampleInstrumentedTest.java
│ ├── main
│ ├── AndroidManifest.xml
│ ├── java
│ │ └── com
│ │ │ └── pd
│ │ │ └── mlgame
│ │ │ └── MainActivity.java
│ └── res
│ │ ├── drawable-v24
│ │ └── ic_launcher_foreground.xml
│ │ ├── drawable
│ │ ├── ic_launcher_background.xml
│ │ ├── icon.gif
│ │ └── logo.jpg
│ │ ├── layout
│ │ └── activity_main.xml
│ │ ├── mipmap-anydpi-v26
│ │ ├── ic_launcher.xml
│ │ └── ic_launcher_round.xml
│ │ ├── mipmap-hdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ ├── mipmap-mdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ ├── mipmap-xhdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ ├── mipmap-xxhdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ ├── mipmap-xxxhdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ └── values
│ │ ├── colors.xml
│ │ ├── strings.xml
│ │ └── styles.xml
│ └── test
│ └── java
│ └── com
│ └── pd
│ └── mlgame
│ └── ExampleUnitTest.java
├── build.gradle
├── gradle.properties
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
└── settings.gradle
/.gitignore:
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4 | /.idea/libraries
5 | /.idea/modules.xml
6 | /.idea/workspace.xml
7 | .DS_Store
8 | /build
9 | /captures
10 | .externalNativeBuild
11 |
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/LICENSE.md:
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1 | MIT License
2 |
3 | Copyright (c) 2019 Pradyuman Dixit
4 |
5 | Permission is hereby granted, free of charge, to any person obtaining a copy
6 | of this software and associated documentation files (the "Software"), to deal
7 | in the Software without restriction, including without limitation the rights
8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 |
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 |
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 |
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/ReadMe.md:
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1 | # Machine Learning Game (Android)
2 |
3 | A simple machine learning ✊ ✋✌️ android game, which becomes unbeatable 😱 as you play (learns from your past moves).
4 |
5 | [](https://github.com/Pradyuman7/MachineLearning-Game)
6 |
7 | ## Finished app looks like this
8 | 
9 | 
10 |
11 | **Read the Hacker Noon post about building this app, [here](https://hackernoon.com/how-to-make-a-machine-learning-android-game-from-scratch-82d9406a7635).**
12 |
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/app/.gitignore:
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1 | /build
2 |
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/app/build.gradle:
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1 | apply plugin: 'com.android.application'
2 |
3 | android {
4 | compileSdkVersion 28
5 | defaultConfig {
6 | applicationId "com.pd.mlgame"
7 | minSdkVersion 15
8 | targetSdkVersion 28
9 | versionCode 1
10 | versionName "1.0"
11 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
12 | }
13 | buildTypes {
14 | release {
15 | minifyEnabled false
16 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
17 | }
18 | }
19 | }
20 |
21 | dependencies {
22 | implementation fileTree(dir: 'libs', include: ['*.jar'])
23 | implementation 'com.android.support:appcompat-v7:28.0.0'
24 | implementation 'com.android.support.constraint:constraint-layout:1.1.3'
25 | testImplementation 'junit:junit:4.12'
26 | androidTestImplementation 'com.android.support.test:runner:1.0.2'
27 | androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
28 | }
29 |
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/app/proguard-rules.pro:
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1 | # Add project specific ProGuard rules here.
2 | # You can control the set of applied configuration files using the
3 | # proguardFiles setting in build.gradle.
4 | #
5 | # For more details, see
6 | # http://developer.android.com/guide/developing/tools/proguard.html
7 |
8 | # If your project uses WebView with JS, uncomment the following
9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | # public *;
13 | #}
14 |
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 |
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile
22 |
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/app/src/androidTest/java/com/pd/mlgame/ExampleInstrumentedTest.java:
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1 | package com.pd.mlgame;
2 |
3 | import android.content.Context;
4 | import android.support.test.InstrumentationRegistry;
5 | import android.support.test.runner.AndroidJUnit4;
6 |
7 | import org.junit.Test;
8 | import org.junit.runner.RunWith;
9 |
10 | import static org.junit.Assert.*;
11 |
12 | /**
13 | * Instrumented test, which will execute on an Android device.
14 | *
15 | * @see Testing documentation
16 | */
17 | @RunWith(AndroidJUnit4.class)
18 | public class ExampleInstrumentedTest {
19 | @Test
20 | public void useAppContext() {
21 | // Context of the app under test.
22 | Context appContext = InstrumentationRegistry.getTargetContext();
23 |
24 | assertEquals("com.pd.mlgame", appContext.getPackageName());
25 | }
26 | }
27 |
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/app/src/main/AndroidManifest.xml:
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/app/src/main/java/com/pd/mlgame/MainActivity.java:
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1 | package com.pd.mlgame;
2 |
3 | import android.support.v7.app.AppCompatActivity;
4 | import android.os.Bundle;
5 | import android.view.View;
6 | import android.widget.Button;
7 | import android.widget.TextView;
8 |
9 |
10 | public class MainActivity extends AppCompatActivity {
11 |
12 | /*first two are for previous result second two are for recent result
13 | *results[0][x][0][x] 0 at index 0 or 2 is a win
14 | *results[1][x][1][x] 1 at index 0 or 2 is a tie
15 | *results[2][x][2][x] 2 at index 0 or 2 is a loss
16 | *results[x][0][x][0] 0 at index 1 or 3 is for rock
17 | *results[x][1][x][1] 1 at index 1 or 3 is for scissors
18 | *results[x][2][x][2] 2 at index 1 or 3 is for paper*/
19 |
20 | private int[][][][][][] results6D=new int[3][3][3][3][3][3];
21 | private int[][][][] results4D=new int[3][3][3][3];
22 | private int[][] results2D= new int [3][3];
23 |
24 | private int lastResult=-1;
25 | private int lastCompMove=-1;
26 |
27 | private int secondResult=-1;
28 | private int secondCompMove=-1;
29 |
30 | private int status=0;
31 |
32 | @Override
33 | protected void onCreate(Bundle savedInstanceState) {
34 | super.onCreate(savedInstanceState);
35 | setContentView(R.layout.activity_main);
36 |
37 | }
38 |
39 | public void userMove(View v) {
40 |
41 | int userMoveInt;
42 | Button b=(Button) v;
43 | String name=b.getText().toString();
44 | switch (name) {
45 | case ("Rock"): {
46 | userMoveInt = 0;
47 | break;
48 | }
49 | case ("Paper"): {
50 | userMoveInt = 1;
51 | break;
52 | }
53 | default:
54 | userMoveInt = 2;
55 | }
56 |
57 | int compMoveInt;
58 | String compMoveStr;
59 | int resultStatus;
60 | compMoveInt=nextCompMove();
61 |
62 | if (compMoveInt==0)
63 | compMoveStr="rock";
64 |
65 | else if (compMoveInt==1)
66 | compMoveStr="paper";
67 |
68 | else if (compMoveInt==2)
69 | compMoveStr="scissors";
70 |
71 | else
72 | compMoveStr="nothing";
73 |
74 | String text="I drew "+compMoveStr+", ";
75 | resultStatus=checkResult(compMoveInt,userMoveInt);
76 |
77 | if (resultStatus==0)
78 | text+="You Win!";
79 |
80 | else if (resultStatus==1)
81 | text+="It's a Tie.";
82 |
83 | else if (resultStatus==2)
84 | text+="You Lose!";
85 |
86 | TextView output= findViewById(R.id.output);
87 | output.setText(text);
88 | trainModel(resultStatus,compMoveInt);
89 |
90 | float[] percentages=analyzeResults();
91 | int[] changes=changes(percentages);
92 | int rockChance=changes[0];
93 | int paperChance=changes[1];
94 |
95 | text = "Rock: "+String.valueOf(rockChance)+"%";
96 | ((TextView) findViewById(R.id.rPer)).setText(text);
97 | text = "Paper: "+String.valueOf(paperChance)+"%";
98 | ((TextView) findViewById(R.id.pPer)).setText(text);
99 | text = "Scissors: "+String.valueOf(100-rockChance-paperChance)+"%";
100 | ((TextView) findViewById(R.id.sPer)).setText(text);
101 |
102 | int top=Math.max(rockChance,Math.max(paperChance,100-rockChance-paperChance));
103 | text = "Confidence\n"+String.valueOf(Math.round(2*(top-50)))+"%";
104 | ((TextView) findViewById(R.id.confidence)).setText(text);
105 | }
106 |
107 | private int nextCompMove() {
108 |
109 | if (lastResult==-1)
110 | return 1;
111 |
112 | int chanceOneHundred=(int)(Math.random()*99)+1;
113 | float[] percentages=analyzeResults();
114 | int[] changes=changes(percentages);
115 | int rockChance=changes[0];
116 | int paperChance=changes[1];
117 | int compMove;
118 |
119 | if (chanceOneHundred
7 |
12 |
13 |
19 |