├── .gitignore
├── .idea
├── codeStyles
│ └── Project.xml
├── gradle.xml
├── misc.xml
└── runConfigurations.xml
├── app
├── .gitignore
├── build.gradle
├── proguard-rules.pro
└── src
│ ├── androidTest
│ └── java
│ │ └── com
│ │ └── nopalyer
│ │ └── calculator
│ │ └── ExampleInstrumentedTest.java
│ ├── main
│ ├── AndroidManifest.xml
│ ├── java
│ │ └── com
│ │ │ └── nopalyer
│ │ │ └── calculator
│ │ │ └── MainActivity.java
│ └── res
│ │ ├── drawable-v24
│ │ └── ic_launcher_foreground.xml
│ │ ├── drawable
│ │ └── ic_launcher_background.xml
│ │ ├── font
│ │ └── g_light.otf
│ │ ├── layout
│ │ ├── activity_main.xml
│ │ ├── buttons.xml
│ │ └── input_layout.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
│ └── nopalyer
│ └── calculator
│ └── ExampleUnitTest.java
├── build.gradle
├── gradle.properties
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
└── settings.gradle
/.gitignore:
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1 | *.iml
2 | .gradle
3 | /local.properties
4 | /.idea/caches
5 | /.idea/libraries
6 | /.idea/modules.xml
7 | /.idea/workspace.xml
8 | /.idea/navEditor.xml
9 | /.idea/assetWizardSettings.xml
10 | .DS_Store
11 | /build
12 | /captures
13 | .externalNativeBuild
14 | .cxx
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/.idea/codeStyles/Project.xml:
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/.idea/gradle.xml:
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/.idea/runConfigurations.xml:
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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 29
5 | buildToolsVersion "29.0.2"
6 | defaultConfig {
7 | applicationId "com.nopalyer.calculator"
8 | minSdkVersion 15
9 | targetSdkVersion 29
10 | versionCode 1
11 | versionName "1.0"
12 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
13 | compileOptions {
14 | sourceCompatibility JavaVersion.VERSION_1_8
15 | targetCompatibility JavaVersion.VERSION_1_8
16 | }
17 |
18 | }
19 | buildTypes {
20 | release {
21 | minifyEnabled false
22 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
23 | }
24 | }
25 | }
26 |
27 | dependencies {
28 | implementation fileTree(dir: 'libs', include: ['*.jar'])
29 | implementation 'androidx.appcompat:appcompat:1.1.0'
30 | implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
31 | testImplementation 'junit:junit:4.12'
32 | androidTestImplementation 'androidx.test:runner:1.2.0'
33 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
34 | implementation 'com.faendir.rhino:rhino-android:1.5.2'
35 |
36 | }
37 |
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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/nopalyer/calculator/ExampleInstrumentedTest.java:
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1 | package com.nopalyer.calculator;
2 |
3 | import android.content.Context;
4 |
5 | import androidx.test.platform.app.InstrumentationRegistry;
6 | import androidx.test.ext.junit.runners.AndroidJUnit4;
7 |
8 | import org.junit.Test;
9 | import org.junit.runner.RunWith;
10 |
11 | import static org.junit.Assert.*;
12 |
13 | /**
14 | * Instrumented test, which will execute on an Android device.
15 | *
16 | * @see Testing documentation
17 | */
18 | @RunWith(AndroidJUnit4.class)
19 | public class ExampleInstrumentedTest {
20 | @Test
21 | public void useAppContext() {
22 | // Context of the app under test.
23 | Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
24 |
25 | assertEquals("com.nopalyer.calculator", appContext.getPackageName());
26 | }
27 | }
28 |
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/app/src/main/AndroidManifest.xml:
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/app/src/main/java/com/nopalyer/calculator/MainActivity.java:
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1 | package com.nopalyer.calculator;
2 |
3 | import androidx.appcompat.app.AppCompatActivity;
4 |
5 | import android.content.Intent;
6 | import android.os.Bundle;
7 | import android.view.View;
8 | import android.widget.Button;
9 | import android.widget.TextView;
10 |
11 | import com.faendir.rhino_android.RhinoAndroidHelper;
12 |
13 | import org.mozilla.javascript.Context;
14 | import org.mozilla.javascript.Scriptable;
15 | import org.mozilla.javascript.ast.Scope;
16 |
17 | public class MainActivity extends AppCompatActivity {
18 |
19 |
20 | Button btn0,btn1,btn2,btn3,btn4,btn5,btn6,btn7,btn8,btn9,btnPercent,btnPlus,btnMinus,btnMultiply,btnDivision,btnEqual,btnClear,btnDot,btnBracket;
21 | TextView tvInput,tvOutput;
22 | String process;
23 | boolean checkBracket = false;
24 |
25 | @Override
26 | protected void onCreate(Bundle savedInstanceState) {
27 | super.onCreate(savedInstanceState);
28 | setContentView(R.layout.activity_main);
29 |
30 | btn0 = findViewById(R.id.btn0);
31 | btn1 = findViewById(R.id.btn1);
32 | btn2 = findViewById(R.id.btn2);
33 | btn3 = findViewById(R.id.btn3);
34 | btn4 = findViewById(R.id.btn4);
35 | btn5 = findViewById(R.id.btn5);
36 | btn6 = findViewById(R.id.btn6);
37 | btn7 = findViewById(R.id.btn7);
38 | btn8 = findViewById(R.id.btn8);
39 | btn9 = findViewById(R.id.btn9);
40 |
41 | btnPlus = findViewById(R.id.btnPlus);
42 | btnMinus = findViewById(R.id.btnMinus);
43 | btnDivision = findViewById(R.id.btnDivision);
44 | btnMultiply = findViewById(R.id.btnMultiply);
45 |
46 | btnEqual = findViewById(R.id.btnEqual);
47 |
48 | btnClear = findViewById(R.id.btnClear);
49 | btnDot = findViewById(R.id.btnDot);
50 | btnPercent = findViewById(R.id.btnPercent);
51 | btnBracket = findViewById(R.id.btnBracket);
52 |
53 | tvInput = findViewById(R.id.tvInput);
54 | tvOutput = findViewById(R.id.tvOutput);
55 |
56 | btnClear.setOnClickListener(new View.OnClickListener() {
57 | @Override
58 | public void onClick(View v) {
59 | tvInput.setText("");
60 | tvOutput.setText("");
61 | }
62 | });
63 |
64 |
65 | btn0.setOnClickListener(new View.OnClickListener() {
66 | @Override
67 | public void onClick(View v) {
68 | process = tvInput.getText().toString();
69 | tvInput.setText(process + "0");
70 | }
71 | });
72 |
73 | btn1.setOnClickListener(new View.OnClickListener() {
74 | @Override
75 | public void onClick(View v) {
76 | process = tvInput.getText().toString();
77 | tvInput.setText(process + "1");
78 | }
79 | });
80 |
81 | btn2.setOnClickListener(new View.OnClickListener() {
82 | @Override
83 | public void onClick(View v) {
84 | process = tvInput.getText().toString();
85 | tvInput.setText(process + "2");
86 | }
87 | });
88 |
89 | btn3.setOnClickListener(new View.OnClickListener() {
90 | @Override
91 | public void onClick(View v) {
92 | process = tvInput.getText().toString();
93 | tvInput.setText(process + "3");
94 | }
95 | });
96 |
97 | btn4.setOnClickListener(new View.OnClickListener() {
98 | @Override
99 | public void onClick(View v) {
100 | process = tvInput.getText().toString();
101 | tvInput.setText(process + "4");
102 | }
103 | });
104 |
105 | btn5.setOnClickListener(new View.OnClickListener() {
106 | @Override
107 | public void onClick(View v) {
108 | process = tvInput.getText().toString();
109 | tvInput.setText(process + "5");
110 | }
111 | });
112 |
113 | btn6.setOnClickListener(new View.OnClickListener() {
114 | @Override
115 | public void onClick(View v) {
116 | process = tvInput.getText().toString();
117 | tvInput.setText(process + "6");
118 | }
119 | });
120 |
121 | btn6.setOnClickListener(new View.OnClickListener() {
122 | @Override
123 | public void onClick(View v) {
124 | process = tvInput.getText().toString();
125 | tvInput.setText(process + "6");
126 | }
127 | });
128 |
129 | btn7.setOnClickListener(new View.OnClickListener() {
130 | @Override
131 | public void onClick(View v) {
132 | process = tvInput.getText().toString();
133 | tvInput.setText(process + "7");
134 | }
135 | });
136 |
137 | btn8.setOnClickListener(new View.OnClickListener() {
138 | @Override
139 | public void onClick(View v) {
140 | process = tvInput.getText().toString();
141 | tvInput.setText(process + "8");
142 | }
143 | });
144 |
145 | btn9.setOnClickListener(new View.OnClickListener() {
146 | @Override
147 | public void onClick(View v) {
148 | process = tvInput.getText().toString();
149 | tvInput.setText(process + "9");
150 | }
151 | });
152 |
153 | btnPlus.setOnClickListener(new View.OnClickListener() {
154 | @Override
155 | public void onClick(View v) {
156 | process = tvInput.getText().toString();
157 | tvInput.setText(process + "+");
158 | }
159 | });
160 |
161 |
162 | btnMinus.setOnClickListener(new View.OnClickListener() {
163 | @Override
164 | public void onClick(View v) {
165 | process = tvInput.getText().toString();
166 | tvInput.setText(process + "-");
167 | }
168 | });
169 |
170 | btnMultiply.setOnClickListener(new View.OnClickListener() {
171 | @Override
172 | public void onClick(View v) {
173 | process = tvInput.getText().toString();
174 | tvInput.setText(process + "×");
175 | }
176 | });
177 |
178 | btnDivision.setOnClickListener(new View.OnClickListener() {
179 | @Override
180 | public void onClick(View v) {
181 | process = tvInput.getText().toString();
182 | tvInput.setText(process + "÷");
183 | }
184 | });
185 |
186 | btnDot.setOnClickListener(new View.OnClickListener() {
187 | @Override
188 | public void onClick(View v) {
189 | process = tvInput.getText().toString();
190 | tvInput.setText(process + ".");
191 | }
192 | });
193 |
194 | btnPercent.setOnClickListener(new View.OnClickListener() {
195 | @Override
196 | public void onClick(View v) {
197 | process = tvInput.getText().toString();
198 | tvInput.setText(process + "%");
199 | }
200 | });
201 |
202 | btnBracket.setOnClickListener(new View.OnClickListener() {
203 | @Override
204 | public void onClick(View v) {
205 |
206 | if (checkBracket){
207 | process = tvInput.getText().toString();
208 | tvInput.setText(process + ")");
209 | checkBracket = false;
210 | }else{
211 | process = tvInput.getText().toString();
212 | tvInput.setText(process + "(");
213 | checkBracket = true;
214 | }
215 |
216 | }
217 | });
218 |
219 | btnEqual.setOnClickListener(new View.OnClickListener() {
220 | @Override
221 | public void onClick(View v) {
222 | process = tvInput.getText().toString();
223 |
224 | process = process.replaceAll("×","*");
225 | process = process.replaceAll("%","/100");
226 | process = process.replaceAll("÷","/");
227 |
228 | Context rhino = Context.enter();
229 |
230 | rhino.setOptimizationLevel(-1);
231 |
232 | String finalResult = "";
233 |
234 | try {
235 | Scriptable scriptable = rhino.initStandardObjects();
236 | finalResult = rhino.evaluateString(scriptable,process,"javascript",1,null).toString();
237 | }catch (Exception e){
238 | finalResult="0";
239 | }
240 |
241 | tvOutput.setText(finalResult);
242 | }
243 | });
244 |
245 |
246 | }
247 | }
248 |
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/app/src/main/res/drawable-v24/ic_launcher_foreground.xml:
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