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owenthcareyowenthcarey
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Add Android with empty activity
1 parent 7165810 commit 13bd2a4

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‎apps/android_pythonnative_3/.gitignore‎

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*.iml
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.gradle
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/local.properties
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/.idea/caches
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/.idea/libraries
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/.idea/modules.xml
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/.idea/workspace.xml
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/.idea/navEditor.xml
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/.idea/assetWizardSettings.xml
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.DS_Store
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/build
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/captures
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.externalNativeBuild
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.cxx
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local.properties

‎apps/android_pythonnative_3/app/.gitignore‎

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/build

‎apps/android_pythonnative_3/app/build.gradle‎

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plugins {
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id 'com.android.application'
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id 'org.jetbrains.kotlin.android'
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id 'com.chaquo.python'
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}
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android {
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namespace 'com.pythonnative.pythonnative'
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compileSdk 33
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defaultConfig {
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applicationId "com.pythonnative.pythonnative"
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minSdk 24
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targetSdk 33
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
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ndk {
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abiFilters "armeabi-v7a", "arm64-v8a", "x86", "x86_64"
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}
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python {
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pip {
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install "matplotlib"
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install "rubicon-java"
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}
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}
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
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}
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}
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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kotlinOptions {
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jvmTarget = '1.8'
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}
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}
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dependencies {
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implementation 'androidx.core:core-ktx:1.8.0'
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implementation 'androidx.appcompat:appcompat:1.6.1'
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implementation 'com.google.android.material:material:1.5.0'
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implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
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testImplementation 'junit:junit:4.13.2'
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androidTestImplementation 'androidx.test.ext:junit:1.1.5'
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androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
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}

‎apps/android_pythonnative_3/app/proguard-rules.pro‎

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

‎apps/android_pythonnative_3/app/src/androidTest/java/com/pythonnative/pythonnative/ExampleInstrumentedTest.kt‎

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package com.pythonnative.pythonnative
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import androidx.test.platform.app.InstrumentationRegistry
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import org.junit.Test
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import org.junit.runner.RunWith
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import org.junit.Assert.*
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* See [testing documentation](http://d.android.com/tools/testing).
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*/
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@RunWith(AndroidJUnit4::class)
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class ExampleInstrumentedTest {
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@Test
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fun useAppContext() {
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// Context of the app under test.
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val appContext = InstrumentationRegistry.getInstrumentation().targetContext
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assertEquals("com.pythonnative.pythonnative", appContext.packageName)
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}
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}

‎apps/android_pythonnative_3/app/src/main/AndroidManifest.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools">
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<application
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android:allowBackup="true"
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android:dataExtractionRules="@xml/data_extraction_rules"
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android:fullBackupContent="@xml/backup_rules"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/Theme.Pythonnative"
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tools:targetApi="31">
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<activity
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android:name=".MainActivity"
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android:exported="true">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎apps/android_pythonnative_3/app/src/main/java/com/pythonnative/pythonnative/MainActivity.kt‎

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package com.pythonnative.pythonnative
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import android.graphics.BitmapFactory
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import androidx.appcompat.app.AppCompatActivity
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import android.os.Bundle
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import android.util.Log
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import android.widget.ImageView
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import com.chaquo.python.PyException
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import com.chaquo.python.Python
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import com.chaquo.python.android.AndroidPlatform
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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class MainActivity : AppCompatActivity() {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContentView(R.layout.activity_main)
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val imageView = findViewById<ImageView>(R.id.image_home)
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// Initialize Chaquopy
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if (!Python.isStarted()) {
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Python.start(AndroidPlatform(this))
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}
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val py = Python.getInstance()
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val plotModule = py.getModule("plot")
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// val createButtonModule = py.getModule("create_button")
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val xInput = "1 2 3 4 5"
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val yInput = "1 4 9 16 25"
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CoroutineScope(Dispatchers.Main).launch {
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try {
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val bytes = plotModule.callAttr(
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"plot",
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xInput,
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yInput
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).toJava(ByteArray::class.java)
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withContext(Dispatchers.IO) {
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val bitmap = BitmapFactory.decodeByteArray(bytes, 0, bytes.size)
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withContext(Dispatchers.Main) {
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imageView.setImageBitmap(bitmap)
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}
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}
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} catch (e: PyException) {
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Log.e("Python Error", "Error executing Python code", e)
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}
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}
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}
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}

‎apps/android_pythonnative_3/app/src/main/python/create_button.py‎

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from rubicon.java import JavaClass
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Button = JavaClass("android/widget/Button")
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def create_button(context):
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button = Button(context)
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button.setId(hash(button))
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button.setText("Button created in Python")
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return button.getId()

‎apps/android_pythonnative_3/app/src/main/python/plot.py‎

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import io
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import matplotlib.pyplot as plt
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def plot(x, y):
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xa = [float(word) for word in x.split()]
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ya = [float(word) for word in y.split()]
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fig, ax = plt.subplots()
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ax.plot(xa, ya)
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f = io.BytesIO()
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plt.savefig(f, format="png")
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return f.getvalue()

‎apps/android_pythonnative_3/app/src/main/res/drawable-v24/ic_launcher_foreground.xml‎

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<vector xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:aapt="http://schemas.android.com/aapt"
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android:width="108dp"
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android:height="108dp"
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android:viewportWidth="108"
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android:viewportHeight="108">
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<path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
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<aapt:attr name="android:fillColor">
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<gradient
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android:endX="85.84757"
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android:endY="92.4963"
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android:startX="42.9492"
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android:startY="49.59793"
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android:type="linear">
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<item
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android:color="#44000000"
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android:offset="0.0" />
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<item
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android:color="#00000000"
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android:offset="1.0" />
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</gradient>
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</aapt:attr>
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</path>
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<path
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android:fillColor="#FFFFFF"
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android:fillType="nonZero"
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android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
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android:strokeWidth="1"
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android:strokeColor="#00000000" />
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</vector>

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