Refactor to a completely new Android Java project

* Create a new project in Android Studio 2020.3.1
* Import existing code
* Fix Clipboard read access limitation in Android 10
* Create new adaptive launcher icon
* Update copyright

.gitignore

@@ -1,137 +1,15 @@
-
-# Created by https://www.gitignore.io/api/android,intellij+iml,java,gradle
-
-### Android ###
-# Built application files
-*.apk
-*.ap_
-
-# Files for the ART/Dalvik VM
-*.dex
-
-# Java class files
-*.class
-
-# Generated files
-bin/
-gen/
-out/
-
-# 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/libraries
-
-# Keystore files
-*.jks
-
-# External native build folder generated in Android Studio 2.2 and later
-.externalNativeBuild
-
-### Android Patch ###
-gen-external-apklibs
-
-
-### Intellij+iml ###
-# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
-# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
-
-# User-specific stuff:
-
-# Sensitive or high-churn files:
-.idea/dataSources/
-.idea/dataSources.ids
-.idea/dataSources.xml
-.idea/dataSources.local.xml
-.idea/sqlDataSources.xml
-.idea/dynamic.xml
-.idea/uiDesigner.xml
-
-# Gradle:
-.idea/gradle.xml
-
-# Mongo Explorer plugin:
-.idea/mongoSettings.xml
-
-## File-based project format:
-*.iws
-
-## Plugin-specific files:
-
-# IntelliJ
-/out/
-
-# mpeltonen/sbt-idea plugin
-.idea_modules/
-
-# JIRA plugin
-atlassian-ide-plugin.xml
-
-# Crashlytics plugin (for Android Studio and IntelliJ)
-com_crashlytics_export_strings.xml
-crashlytics.properties
-crashlytics-build.properties
-fabric.properties
-
-### Intellij+iml Patch ###
-# Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-249601023
-
-modules.xml
-.idea/misc.xml
-*.ipr
-
-
-### Java ###
-
-# BlueJ files
-*.ctxt
-
-# Mobile Tools for Java (J2ME)
-.mtj.tmp/
-
-# Package Files #
-*.jar
-*.war
-*.ear
-
-# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
-hs_err_pid*
-
-
-### Gradle ###
 .gradle
-/build/
-
-# Ignore Gradle GUI config
-gradle-app.setting
-
-# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
-!gradle-wrapper.jar
-
-# Cache of project
-.gradletasknamecache
-
-# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
-# gradle/wrapper/gradle-wrapper.properties
-
-# End of https://www.gitignore.io/api/android,intellij+iml,java,gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2014-2016 Appgramming
+Copyright (C) 2014-2021 Tecdrop
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

app/.gitignore

@@ -1 +1 @@
-/build
+/build

app/build.gradle

@@ -1,26 +1,37 @@
-apply plugin: 'com.android.application'
+plugins {
+    id 'com.android.application'
+}
 
-//noinspection GroovyMissingReturnStatement
 android {
-    compileSdkVersion 25
-    buildToolsVersion '25.0.2'
+    compileSdk 31
+
     defaultConfig {
         applicationId "com.appgramming.lonecolor"
-        minSdkVersion 11
-        targetSdkVersion 25
-        versionCode 5
-        versionName '2.0'
+        minSdk 21
+        targetSdk 31
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
+
     buildTypes {
         release {
             minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
-    productFlavors {
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
     }
 }
 
 dependencies {
-    compile fileTree(include: ['*.jar'], dir: 'libs')
-}
+
+    implementation 'androidx.appcompat:appcompat:1.3.1'
+    implementation 'com.google.android.material:material:1.4.0'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+}

app/proguard-rules.pro

@@ -1,17 +1,21 @@
 # Add project specific ProGuard rules here.
-# By default, the flags in this file are appended to flags specified
-# in C:\Users\Dev\AppData\Local\Android\android-studio\sdk/tools/proguard/proguard-android.txt
-# You can edit the include path and order by changing the proguardFiles
-# directive in build.gradle.
+# 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
 
-# Add any project specific keep options here:
-
 # 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