add Android version

android-app/anter4codeformat/.androidide/editor/openedFiles.json

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+{
+  "allFiles": [
+    {
+      "file": "/storage/emulated/0/AndroidIDEProjects/anter4codeformat/app/build.gradle",
+      "selection": {
+        "end": {
+          "column": 45,
+          "index": 1018,
+          "line": 47
+        },
+        "start": {
+          "column": 45,
+          "index": 1018,
+          "line": 47
+        }
+      }
+    },
+    {
+      "file": "/storage/emulated/0/AndroidIDEProjects/anter4codeformat/app/src/main/java/org/antlr/parser/antlr4/LexerAdaptor.java",
+      "selection": {
+        "end": {
+          "column": 0,
+          "index": 0,
+          "line": 0
+        },
+        "start": {
+          "column": 0,
+          "index": 0,
+          "line": 0
+        }
+      }
+    }
+  ],
+  "selectedFile": "/storage/emulated/0/AndroidIDEProjects/anter4codeformat/app/src/main/java/org/antlr/parser/antlr4/LexerAdaptor.java"
+}

android-app/anter4codeformat/.androidide/editor/openedFiles.json.bak

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+{
+  "allFiles": [
+    {
+      "file": "/storage/emulated/0/AndroidIDEProjects/anter4codeformat/app/build.gradle",
+      "selection": {
+        "end": {
+          "column": 47,
+          "index": 1020,
+          "line": 47
+        },
+        "start": {
+          "column": 47,
+          "index": 1020,
+          "line": 47
+        }
+      }
+    }
+  ],
+  "selectedFile": "/storage/emulated/0/AndroidIDEProjects/anter4codeformat/app/build.gradle"
+}

android-app/anter4codeformat/.gitignore

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+# Built application files
+*.apk
+*.aar
+*.ap_
+*.aab
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+/bin/
+/gen/
+/out/
+#  Uncomment the following line in case you need and you don't have the release build type files in your app
+# Gradle files
+.gradle/
+/build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
+captures/
+
+# IntelliJ
+*.iml
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/gradle.xml
+.idea/assetWizardSettings.xml
+.idea/dictionaries
+.idea/libraries
+# Android Studio 3 in .gitignore file.
+.idea/caches
+.idea/modules.xml
+# Comment next line if keeping position of elements in Navigation Editor is relevant for you
+.idea/navEditor.xml
+
+# Keystore files
+# Uncomment the following lines if you do not want to check your keystore files in.
+#*.jks
+#*.keystore
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+.cxx/
+
+# Google Services (e.g. APIs or Firebase)
+# google-services.json
+
+# Freeline
+freeline.py
+freeline/
+freeline_project_description.json
+
+# fastlane
+fastlane/report.xml
+fastlane/Preview.html
+fastlane/screenshots
+fastlane/test_output
+fastlane/readme.md
+
+# Version control
+vcs.xml
+
+# lint
+lint/intermediates/
+lint/generated/
+lint/outputs/
+lint/tmp/
+# lint/reports/

android-app/anter4codeformat/Readme.md

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+## Android version 
+
+I have produced this version for Android. Please note that you must use the version 1.14.1. You can also use Java files that have been rebuilt for Android. 
+
+### Developer 
+
+Developer account address <a href="https://github.com/appt2"> here </a>

android-app/anter4codeformat/app/.gitignore

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+/build

android-app/anter4codeformat/app/build.gradle

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+
+plugins {
+    id 'com.android.application'
+
+}
+
+android {
+    namespace 'com.example.anter4codeformat'
+    compileSdk 33
+
+    defaultConfig {
+        applicationId "com.example.anter4codeformat"
+        minSdk 21
+        targetSdk 33
+        versionCode 1
+        versionName "1.0"
+
+        vectorDrawables { 
+            useSupportLibrary true
+        }
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled true
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
+    }
+
+    buildFeatures {
+        viewBinding true
+
+    }
+
+}
+
+dependencies {
+
+
+    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
+    implementation("com.google.android.material:material:1.9.0")
+    implementation("androidx.appcompat:appcompat:1.6.1")
+    implementation("org.antlr:antlr4:4.13.1")
+}

android-app/anter4codeformat/app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

android-app/anter4codeformat/app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+
+<manifest 
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <application 
+        android:allowBackup="true" 
+        android:icon="@mipmap/ic_launcher" 
+        android:roundIcon="@mipmap/ic_launcher" 
+        android:label="@string/app_name" 
+        android:supportsRtl="true" 
+        android:theme="@style/AppTheme">
+        <activity 
+            android:name="MainActivity" 
+            android:exported="true">
+            <intent-filter>
+                <action 
+                    android:name="android.intent.action.MAIN" />
+                <category 
+                    android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>

android-app/anter4codeformat/app/src/main/java/com/example/anter4codeformat/MainActivity.java

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+package com.example.anter4codeformat;
+
+import android.view.View;
+import androidx.appcompat.app.AppCompatActivity;
+import android.os.Bundle;
+import com.example.anter4codeformat.databinding.ActivityMainBinding;
+import com.khubla.antlr4formatter.Antlr4Formatter;
+import com.khubla.antlr4formatter.Antlr4FormatterException;
+
+public class MainActivity extends AppCompatActivity implements View.OnClickListener {
+  private ActivityMainBinding binding;
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    // Inflate and get instance of binding
+    binding = ActivityMainBinding.inflate(getLayoutInflater());
+
+    // set content view to binding's root
+    setContentView(binding.getRoot());
+    binding.btnFormat.setOnClickListener(this);
+  }
+
+  @Override
+  protected void onDestroy() {
+    super.onDestroy();
+    this.binding = null;
+  }
+
+  public String g4format(String code) throws Antlr4FormatterException {
+    return Antlr4Formatter.format(code);
+  }
+
+  @Override
+  public void onClick(View arg0) {
+    // TODO: Implement this method
+    try {
+      binding.format.setText(g4format(binding.format.getText().toString()));
+    } catch (Antlr4FormatterException err) {
+      binding.format.setText(err.getLocalizedMessage());
+    }
+  }
+}

android-app/anter4codeformat/app/src/main/java/com/khubla/antlr4formatter/Antlr4Formatter.java

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+/*
+ * Antlr4Formatter Copyright 2015, khubla.com
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.khubla.antlr4formatter;
+
+import java.io.*;
+import java.nio.charset.*;
+import java.nio.file.*;
+import java.util.*;
+
+import org.antlr.parser.antlr4.*;
+import org.antlr.parser.antlr4.ANTLRv4Parser.*;
+import org.antlr.v4.runtime.*;
+import org.antlr.v4.runtime.tree.*;
+
+import com.khubla.antlr4formatter.listener.*;
+
+/**
+ * @author Tom Everett
+ */
+public class Antlr4Formatter {
+
+  public static String format(String string) throws Antlr4FormatterException {
+    try {
+      if (null != string) {
+        final StringWriter writer = new StringWriter();
+        final CodePointCharStream input = CharStreams.fromString(string);
+        formatGrammar(input, writer);
+        return writer.toString();
+      } else {
+        return "";
+      }
+    } catch (final Exception e) {
+      throw new Antlr4FormatterException("Exception reading and parsing file", e);
+    }
+  }
+
+  private static void formatGrammar(CharStream input, Writer output) {
+    final ANTLRv4Lexer lexer = new ANTLRv4Lexer(input);
+    final CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
+    final ANTLRv4Parser parser = new ANTLRv4Parser(commonTokenStream);
+    final GrammarSpecContext grammarSpecContext = parser.grammarSpec();
+    ParseTreeWalker.DEFAULT.walk(
+        new FormatterParseTreeListenerImpl(
+            new Antlr4FormatterListenerImpl(output), commonTokenStream),
+        grammarSpecContext);
+  }
+
+  private Antlr4Formatter() {}
+}

android-app/anter4codeformat/app/src/main/java/com/khubla/antlr4formatter/Antlr4FormatterException.java

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+/*
+ * Antlr4Formatter Copyright 2018, khubla.com
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.khubla.antlr4formatter;
+
+public class Antlr4FormatterException extends Exception {
+	private static final long serialVersionUID = 1L;
+
+	public Antlr4FormatterException(Exception e) {
+		super(e);
+	}
+
+	public Antlr4FormatterException(String message) {
+		super(message);
+	}
+
+	public Antlr4FormatterException(String message, Exception e) {
+		super(message, e);
+	}
+}