initial

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 27
+    defaultConfig {
+        applicationId "com.foamyguy.circuitpythoneditor"
+        minSdkVersion 15
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    implementation 'com.github.felHR85:UsbSerial:5.0.0'
+    compile 'com.github.kbiakov:CodeView-android:1.3.1'
+}

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

app/src/androidTest/java/com/foamyguy/circuitpythoneditor/ExampleInstrumentedTest.java

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+package com.foamyguy.circuitpythoneditor;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.foamyguy.circuitpythoneditor", appContext.getPackageName());
+    }
+}

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"
+    package="com.foamyguy.circuitpythoneditor">
+
+    <uses-feature
+        android:name="android.hardware.usb.host"
+        android:required="true" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity
+            android:name=".MainActivity"
+            android:screenOrientation="portrait"
+            android:theme="@style/Theme.AppCompat.Light.NoActionBar"
+            android:windowSoftInputMode="adjustResize">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <service
+            android:name=".UsbService"
+            android:enabled="true"></service>
+        <service
+            android:name=".SyncUsbService"
+            android:enabled="true"
+            android:exported="true"></service>
+    </application>
+
+</manifest>

app/src/main/java/com/foamyguy/circuitpythoneditor/LineNumberEditText.java

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+package com.foamyguy.circuitpythoneditor;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.util.AttributeSet;
+import android.widget.EditText;
+import android.widget.TextView;
+
+/**
+ * Created by o_0 on 11/24/2018.
+ */
+
+@SuppressLint("AppCompatCustomView")
+public class LineNumberEditText extends EditText {
+    private TextView lineNumbersText;
+
+    public LineNumberEditText(Context context) {
+        super(context);
+    }
+
+    public LineNumberEditText(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public LineNumberEditText(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+
+    public void setLineNumbersText(TextView lineNumbers){
+        this.lineNumbersText = lineNumbers;
+    }
+
+
+    @Override
+    protected void onScrollChanged(int horiz, int vert, int oldHoriz, int oldVert) {
+        if (lineNumbersText != null){
+            lineNumbersText.scrollBy(0, 0-(oldVert-vert));
+        }
+        super.onScrollChanged(horiz, vert, oldHoriz, oldVert);
+    }
+
+
+}