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Hugh GreenbergHugh Greenberg
Hugh Greenberg
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Hugh Greenberg
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‎README.md

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# launchy
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An Android Tv Launcher
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Playstore link: https://play.google.com/store/apps/details?id=com.hugegreenbug.launchy
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#Unsplash API
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My unsplash API key has been removed from UnsplashActivity.kt. It has the format of:
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clientId = "clientId:api_key"
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where api_key is your api key from Unsplash.com

‎app/.gitignore

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/build

‎app/build.gradle

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plugins {
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id 'com.android.application'
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id 'kotlin-android'
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}
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apply plugin: 'kotlin-kapt'
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android {
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signingConfigs {
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'default' {
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storeFile file('/Users/hugh/Documents/androidkeystore/Keystore')
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}
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}
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compileSdk 31
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defaultConfig {
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applicationId "com.hugegreenbug.launchy"
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minSdk 26
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targetSdk 31
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versionCode 8
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versionName "1.0.5"
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}
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buildTypes {
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release {
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minifyEnabled true
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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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buildFeatures {
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viewBinding true
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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.leanback:leanback:1.2.0-alpha01")
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// leanback-preference is an add-on that provides a settings UI for TV apps.
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implementation("androidx.leanback:leanback-preference:1.2.0-alpha01")
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implementation 'androidx.core:core-ktx:1.6.0'
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implementation 'androidx.appcompat:appcompat:1.3.1'
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implementation 'androidx.appcompat:appcompat-resources:1.3.1'
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implementation "androidx.room:room-runtime:2.3.0"
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implementation "com.anggrayudi:storage:0.13.0"
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implementation 'com.google.android.material:material:1.4.0'
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implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
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implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.3.1'
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implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.1'
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implementation 'androidx.navigation:navigation-fragment-ktx:2.3.5'
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implementation 'androidx.navigation:navigation-ui-ktx:2.3.5'
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implementation 'androidx.preference:preference:1.1.1'
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implementation 'com.beust:klaxon:5.5'
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kapt "androidx.room:room-compiler:2.3.0"
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}

‎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

‎app/release/app-release.aab

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‎app/release/app-release.apk

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‎app/release/output-metadata.json

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{
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"version": 3,
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"artifactType": {
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"type": "APK",
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"kind": "Directory"
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},
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"applicationId": "com.hugegreenbug.launchy",
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"variantName": "release",
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"elements": [
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{
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"type": "SINGLE",
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"filters": [],
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"attributes": [],
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"versionCode": 7,
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"versionName": "1.0.4",
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"outputFile": "app-release.apk"
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}
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],
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"elementType": "File"
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}

‎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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package="com.hugegreenbug.launchy"
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android:versionCode="8"
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android:versionName="1.0.5">
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<uses-feature
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android:name="android.software.leanback"
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android:required="true" />
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<uses-feature
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android:name="android.hardware.touchscreen"
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android:required="false" />
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<uses-permission android:name="android.permission.SET_WALLPAPER" />
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<uses-permission android:name="android.permission.SET_WALLPAPER_HINTS" />
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<uses-permission android:name="android.permission.QUERY_ALL_PACKAGES"
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tools:ignore="QueryAllPackagesPermission" />
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<uses-permission android:name="android.permission.INTERNET" />
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<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
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<application
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android:allowBackup="true"
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android:banner="@mipmap/launchy_banner"
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android:icon="@mipmap/launchy_icon"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/launchy_icon_round"
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android:supportsRtl="true"
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tools:ignore="AllowBackup,GoogleAppIndexingWarning">
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<activity
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android:name="com.hugegreenbug.launchy.UnsplashWebview"
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android:theme="@style/Theme.TvPartyLauncher"
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android:launchMode="singleTask"
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android:exported="false"
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android:excludeFromRecents="true"
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>
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</activity>
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<activity
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android:name="com.hugegreenbug.launchy.UnsplashActivity"
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android:theme="@style/Theme.UnsplashList"
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android:launchMode="singleTask"
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android:exported="false"
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android:excludeFromRecents="true"
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>
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</activity>
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<activity android:name=".OnboardingActivity"
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android:enabled="true"
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android:excludeFromRecents="true"
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android:exported="false"
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android:theme="@style/Theme.Leanback.Onboarding" />
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<activity
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android:name="com.hugegreenbug.launchy.MainActivity"
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android:excludeFromRecents="true"
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android:exported="true"
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android:launchMode="singleTask"
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android:stateNotNeeded="true"
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android:theme="@style/Theme.TvPartyLauncher">
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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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<category android:name="android.intent.category.LAUNCHER_APP" />
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<category android:name="android.intent.category.LEANBACK" />
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<category android:name="android.intent.category.LEANBACK_LAUNCHER" />
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<category android:name="android.intent.category.DEFAULT" />
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<category android:name="android.intent.category.HOME" />
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<category android:name="android.intent.category.MONKEY" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎app/src/main/java/com/hugegreenbug/launchy/AppManager.kt

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package com.hugegreenbug.launchy
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import android.annotation.SuppressLint
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import android.content.Context
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import android.content.Intent
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import android.content.pm.ComponentInfo
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import android.content.pm.PackageManager.MATCH_ALL
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import android.graphics.drawable.Drawable
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import android.util.ArrayMap
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class AppManager(private val context: Context) {
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private val cachesize = 400
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private val appIconCache = ArrayMap<String, Drawable>(cachesize)
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private val packageManager = context.packageManager
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@SuppressLint("QueryPermissionsNeeded")
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fun getLaunchableApps(): List<App> {
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val intent = Intent(Intent.ACTION_MAIN, null)
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intent.addCategory(Intent.CATEGORY_LEANBACK_LAUNCHER)
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var list = packageManager.queryIntentActivities(intent, MATCH_ALL)
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.map { it.activityInfo }
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.map { App(it.packageName, it.loadLabel(packageManager).toString(), it, false) }
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val listIter = list.iterator()
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while (listIter.hasNext()) {
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val app = listIter.next()
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val drawable = getAppIcon(app.componentInfo)
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if (drawable == null) {
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list = list.filterIndexed { _, element ->
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element.packageName != app.packageName
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}
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}
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}
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return list
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}
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fun startApp(app: App) {
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val intent = packageManager.getLeanbackLaunchIntentForPackage(app.packageName)
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context.startActivity(intent)
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}
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fun getAppIcon(componentInfo: ComponentInfo): Drawable?
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= appIconCache[componentInfo.packageName] ?: loadAppIcon(componentInfo)
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private fun loadAppIcon(componentInfo: ComponentInfo): Drawable? {
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return try {
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val drawable = componentInfo.loadBanner(packageManager) ?: return null
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drawable
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} catch (e: SecurityException) {
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null
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}
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}
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}

‎app/src/main/java/com/hugegreenbug/launchy/BitmapUtils.kt

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package com.hugegreenbug.launchy
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import android.annotation.SuppressLint
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import android.app.Activity
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import android.app.WallpaperManager
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import android.graphics.Bitmap
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import android.graphics.Canvas
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import android.graphics.Matrix
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import android.graphics.Paint
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import android.graphics.drawable.BitmapDrawable
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import android.graphics.drawable.Drawable
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import java.io.IOException
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import android.util.DisplayMetrics
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import kotlin.concurrent.thread
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class BitmapUtils {
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companion object {
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private fun returnBitmap(displayMetrics: DisplayMetrics, originalImage: Bitmap, width: Int, height: Int): Bitmap? {
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val background = Bitmap.createBitmap(displayMetrics, width, height, Bitmap.Config.ARGB_8888)
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val originalCopy = originalImage.copy(Bitmap.Config.ARGB_8888, true)
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val originalWidth = originalCopy.width.toFloat()
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val originalHeight = originalCopy.height.toFloat()
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val canvas = Canvas(background)
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val scale = width / originalWidth
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val xTranslation = 0.0f
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val yTranslation = (height - originalHeight * scale) / 2.0f
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val transformation = Matrix()
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transformation.postTranslate(xTranslation, yTranslation)
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transformation.preScale(scale, scale)
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val paint = Paint()
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paint.isFilterBitmap = true
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canvas.drawBitmap(originalCopy, transformation, paint)
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return background
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}
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fun toBitmap(drawable:Drawable): Bitmap {
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if (drawable is BitmapDrawable) {
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return drawable.bitmap
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}
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val width = if (drawable.bounds.isEmpty) drawable.intrinsicWidth else drawable.bounds.width()
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val height = if (drawable.bounds.isEmpty) drawable.intrinsicHeight else drawable.bounds.height()
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return Bitmap.createBitmap(width.nonZero(), height.nonZero(), Bitmap.Config.ARGB_8888)
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.also {
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val canvas = Canvas(it)
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drawable.setBounds(0, 0, canvas.width, canvas.height)
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drawable.draw(canvas)
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}
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}
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@SuppressLint("ResourceType")
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fun setWallpaper(drawable:Drawable, activity: Activity) {
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thread {
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val wallpaperManager = WallpaperManager.getInstance(activity.applicationContext)
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try {
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val displayMetrics: DisplayMetrics = activity.applicationContext.resources.displayMetrics
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val wallWidth = displayMetrics.widthPixels
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val wallHeight = displayMetrics.heightPixels
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wallpaperManager.suggestDesiredDimensions(wallWidth, wallHeight)
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val bitmap = toBitmap(drawable)
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val newBmap = returnBitmap(displayMetrics, bitmap, wallWidth, wallHeight)
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if (newBmap != null) {
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wallpaperManager.setBitmap(newBmap)
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}
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bitmap.recycle()
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} catch (e: IOException) {
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e.printStackTrace()
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}
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}
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}
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private fun Int.nonZero() = if (this <= 0) 1 else this
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}
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}

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