New cache system

Refactoring
Separation into libraries

concurrent/.gitignore

@@ -0,0 +1 @@
+/build

concurrent/build.gradle

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+plugins {
+    id 'com.android.library'
+    id 'kotlin-android'
+}
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.3"
+
+    defaultConfig {
+        minSdkVersion 21
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles "consumer-rules.pro"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+}

concurrent/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

concurrent/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.meloda.concurrent">
+
+</manifest>

concurrent/src/main/java/com/meloda/concurrent/EventInfo.kt

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+package com.meloda.concurrent
+
+class EventInfo<T> constructor(var key: String, var data: T? = null)

concurrent/src/main/java/com/meloda/concurrent/LowThread.kt

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+package com.meloda.concurrent
+
+import android.os.Process
+
+class LowThread(runnable: Runnable?) : Thread(runnable) {
+
+    override fun run() {
+        Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND)
+        super.run()
+    }
+
+}

concurrent/src/main/java/com/meloda/concurrent/TaskManager.kt

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+package com.meloda.concurrent
+
+object TaskManager {
+
+    private const val TAG = "TaskManager"
+
+    private val listeners = arrayListOf<OnEventListener>()
+
+    fun addOnEventListener(listener: OnEventListener) {
+        listeners.add(listener)
+    }
+
+    fun removeOnEventListener(listener: OnEventListener?) {
+        listeners.remove(listener)
+    }
+
+    fun execute(runnable: Runnable?) {
+        LowThread(runnable).start()
+    }
+
+    fun sendEvent(eventInfo: EventInfo<*>) {
+        for (listener in listeners) {
+            listener.onNewEvent(eventInfo)
+        }
+    }
+
+    interface OnEventListener {
+        fun onNewEvent(info: EventInfo<*>)
+    }
+}