first commit

.idea/gradle.xml

           <set>
             <option value="$PROJECT_DIR$" />
             <option value="$PROJECT_DIR$/app" />
+            <option value="$PROJECT_DIR$/lib" />
+            <option value="$PROJECT_DIR$/lib/common" />
           </set>
         </option>
         <option name="resolveModulePerSourceSet" value="false" />

.idea/misc.xml

     <option name="filePathToZoomLevelMap">
       <map>
         <entry key="..\:/Work/XKL/XklLocal/app/src/main/res/layout/activity_fullscreen.xml" value="0.10144927536231885" />
+        <entry key="..\:/Work/XKL/XklLocal/app/src/main/res/layout/activity_main.xml" value="0.1" />
       </map>
     </option>
   </component>

README.md

+
+gradle 版本管理
+ext.android : app版本信息
+ext.version : 依赖包版本信息
+ext.dependencies_required : 必须的依赖项
+ext.dependencies_testImplementation : 测试依赖
+ext.dependencies_androidTestImplementation : 测试依赖
+ext.dependencies_custom : 自己添加的依赖项，按需定制
+
+app：
+module : 按模块进行业务划分
+
+common:
+app: 获取application
+base: 存放业务的基础类
+eventbus： livedata的事件总线
+util : 工具类，包含Kotlin的扩展属性

app/build.gradle

     id 'com.android.application'
     id 'kotlin-android'
 }
-
+def androidConfig = rootProject.ext.android
 android {
-    compileSdk rootProject.ext.compile_sdk_version
+    compileSdk androidConfig.compile_sdk_version
+    buildToolsVersion androidConfig.build_tools_version
 
     defaultConfig {
-        applicationId "com.xkl.cdl"
-        minSdk 21
-        targetSdk 30
-        versionCode 1
-        versionName "1.0"
+        applicationId androidConfig.applicationId
+        minSdk androidConfig.min_sdk_version
+        targetSdk androidConfig.target_sdk_version
+        versionCode androidConfig.version_code
+        versionName androidConfig.version_name
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 }
 
 dependencies {
-
-    implementation 'androidx.core:core-ktx:1.3.2'
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'com.google.android.material:material:1.3.0'
-    testImplementation 'junit:junit:4.+'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+    rootProject.ext.dependencies_required.each{ k, v -> implementation v}
+    testImplementation rootProject.ext.dependencies_testImplementation.junit
+    rootProject.ext.dependencies_androidTestImplementation.each{ k,v -> androidTestImplementation v}
 }

app/src/main/AndroidManifest.xml

         android:supportsRtl="true"
         android:theme="@style/Theme.XklLocal">
         <activity
-            android:name=".FullscreenActivity"
+            android:name=".module.main.MainActivity"
             android:configChanges="orientation|keyboardHidden|screenSize"
-            android:exported="true"
-            android:label="@string/app_name"
-            android:theme="@style/Theme.XklLocal.Fullscreen">
+            android:exported="true" >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>

app/src/main/java/com/xkl/cdl/FullscreenActivity.kt

-package com.xkl.cdl
-
-import androidx.appcompat.app.AppCompatActivity
-import android.annotation.SuppressLint
-import android.os.Build
-import android.os.Bundle
-import android.os.Handler
-import android.view.MotionEvent
-import android.view.View
-import android.view.WindowInsets
-import android.widget.LinearLayout
-import android.widget.TextView
-import com.xkl.cdl.databinding.ActivityFullscreenBinding
-
-/**
- * An example full-screen activity that shows and hides the system UI (i.e.
- * status bar and navigation/system bar) with user interaction.
- */
-class FullscreenActivity : AppCompatActivity() {
-
-    private lateinit var binding: ActivityFullscreenBinding
-    private lateinit var fullscreenContent: TextView
-    private lateinit var fullscreenContentControls: LinearLayout
-    private val hideHandler = Handler()
-
-    @SuppressLint("InlinedApi")
-    private val hidePart2Runnable = Runnable {
-        // Delayed removal of status and navigation bar
-        if (Build.VERSION.SDK_INT >= 30) {
-            fullscreenContent.windowInsetsController?.hide(WindowInsets.Type.statusBars() or WindowInsets.Type.navigationBars())
-        } else {
-            // Note that some of these constants are new as of API 16 (Jelly Bean)
-            // and API 19 (KitKat). It is safe to use them, as they are inlined
-            // at compile-time and do nothing on earlier devices.
-            fullscreenContent.systemUiVisibility =
-                    View.SYSTEM_UI_FLAG_LOW_PROFILE or
-                            View.SYSTEM_UI_FLAG_FULLSCREEN or
-                            View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
-                            View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY or
-                            View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or
-                            View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
-        }
-    }
-    private val showPart2Runnable = Runnable {
-        // Delayed display of UI elements
-        supportActionBar?.show()
-        fullscreenContentControls.visibility = View.VISIBLE
-    }
-    private var isFullscreen: Boolean = false
-
-    private val hideRunnable = Runnable { hide() }
-
-    /**
-     * Touch listener to use for in-layout UI controls to delay hiding the
-     * system UI. This is to prevent the jarring behavior of controls going away
-     * while interacting with activity UI.
-     */
-    private val delayHideTouchListener = View.OnTouchListener { view, motionEvent ->
-        when (motionEvent.action) {
-            MotionEvent.ACTION_DOWN -> if (AUTO_HIDE) {
-                delayedHide(AUTO_HIDE_DELAY_MILLIS)
-            }
-            MotionEvent.ACTION_UP -> view.performClick()
-            else -> {
-            }
-        }
-        false
-    }
-
-    @SuppressLint("ClickableViewAccessibility")
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-
-        binding = ActivityFullscreenBinding.inflate(layoutInflater)
-        setContentView(binding.root)
-
-        supportActionBar?.setDisplayHomeAsUpEnabled(true)
-
-        isFullscreen = true
-
-        // Set up the user interaction to manually show or hide the system UI.
-        fullscreenContent = binding.fullscreenContent
-        fullscreenContent.setOnClickListener { toggle() }
-
-        fullscreenContentControls = binding.fullscreenContentControls
-
-        // Upon interacting with UI controls, delay any scheduled hide()
-        // operations to prevent the jarring behavior of controls going away
-        // while interacting with the UI.
-        binding.dummyButton.setOnTouchListener(delayHideTouchListener)
-    }
-
-    override fun onPostCreate(savedInstanceState: Bundle?) {
-        super.onPostCreate(savedInstanceState)
-
-        // Trigger the initial hide() shortly after the activity has been
-        // created, to briefly hint to the user that UI controls
-        // are available.
-        delayedHide(100)
-    }
-
-    private fun toggle() {
-        if (isFullscreen) {
-            hide()
-        } else {
-            show()
-        }
-    }
-
-    private fun hide() {
-        // Hide UI first
-        supportActionBar?.hide()
-        fullscreenContentControls.visibility = View.GONE
-        isFullscreen = false
-
-        // Schedule a runnable to remove the status and navigation bar after a delay
-        hideHandler.removeCallbacks(showPart2Runnable)
-        hideHandler.postDelayed(hidePart2Runnable, UI_ANIMATION_DELAY.toLong())
-    }
-
-    private fun show() {
-        // Show the system bar
-        if (Build.VERSION.SDK_INT >= 30) {
-            fullscreenContent.windowInsetsController?.show(WindowInsets.Type.statusBars() or WindowInsets.Type.navigationBars())
-        } else {
-            fullscreenContent.systemUiVisibility =
-                    View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN or
-                            View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
-        }
-        isFullscreen = true
-
-        // Schedule a runnable to display UI elements after a delay
-        hideHandler.removeCallbacks(hidePart2Runnable)
-        hideHandler.postDelayed(showPart2Runnable, UI_ANIMATION_DELAY.toLong())
-    }
-
-    /**
-     * Schedules a call to hide() in [delayMillis], canceling any
-     * previously scheduled calls.
-     */
-    private fun delayedHide(delayMillis: Int) {
-        hideHandler.removeCallbacks(hideRunnable)
-        hideHandler.postDelayed(hideRunnable, delayMillis.toLong())
-    }
-
-    companion object {
-        /**
-         * Whether or not the system UI should be auto-hidden after
-         * [AUTO_HIDE_DELAY_MILLIS] milliseconds.
-         */
-        private const val AUTO_HIDE = true
-
-        /**
-         * If [AUTO_HIDE] is set, the number of milliseconds to wait after
-         * user interaction before hiding the system UI.
-         */
-        private const val AUTO_HIDE_DELAY_MILLIS = 3000
-
-        /**
-         * Some older devices needs a small delay between UI widget updates
-         * and a change of the status and navigation bar.
-         */
-        private const val UI_ANIMATION_DELAY = 300
-    }
-}

app/src/main/res/layout/activity_fullscreen.xml

-<?xml version="1.0" encoding="utf-8"?>
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:background="?attr/fullscreenBackgroundColor"
-    android:theme="@style/ThemeOverlay.XklLocal.FullscreenContainer"
-    tools:context=".FullscreenActivity">
-
-    <!-- The primary full-screen view. This can be replaced with whatever view
-         is needed to present your content, e.g. VideoView, SurfaceView,
-         TextureView, etc. -->
-    <TextView
-        android:id="@+id/fullscreen_content"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:gravity="center"
-        android:keepScreenOn="true"
-        android:text="@string/dummy_content"
-        android:textColor="?attr/fullscreenTextColor"
-        android:textSize="50sp"
-        android:textStyle="bold" />
-
-    <!-- This FrameLayout insets its children based on system windows using
-         android:fitsSystemWindows. -->
-    <FrameLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:fitsSystemWindows="true">
-
-        <LinearLayout
-            android:id="@+id/fullscreen_content_controls"
-            style="@style/Widget.Theme.XklLocal.ButtonBar.Fullscreen"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_gravity="bottom|center_horizontal"
-            android:orientation="horizontal"
-            tools:ignore="UselessParent">
-
-            <Button
-                android:id="@+id/dummy_button"
-                style="?android:attr/buttonBarButtonStyle"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="@string/dummy_button" />
-
-        </LinearLayout>
-    </FrameLayout>
-
-</FrameLayout>

app/src/main/res/values-night/themes.xml

         <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
-
-    <style name="ThemeOverlay.XklLocal.FullscreenContainer" parent="">
-        <item name="fullscreenBackgroundColor">@color/light_blue_900</item>
-        <item name="fullscreenTextColor">@color/light_blue_A400</item>
-    </style>
 </resources>

app/src/main/res/values/strings.xml

     <string name="app_name">XklLocal</string>
     <string name="dummy_button">Dummy Button</string>
     <string name="dummy_content">DUMMY\nCONTENT</string>
+    <!-- TODO: Remove or change this placeholder text -->
+    <string name="hello_blank_fragment">Hello blank fragment</string>
 </resources>

app/src/main/res/values/styles.xml

 <resources>
 
-    <style name="Widget.Theme.XklLocal.ActionBar.Fullscreen" parent="Widget.AppCompat.ActionBar">
-        <item name="android:background">@color/black_overlay</item>
-    </style>
-
-    <style name="Widget.Theme.XklLocal.ButtonBar.Fullscreen" parent="">
-        <item name="android:background">@color/black_overlay</item>
-        <item name="android:buttonBarStyle">?android:attr/buttonBarStyle</item>
-    </style>
 </resources>

app/src/main/res/values/themes.xml

         <!-- Customize your theme here. -->
     </style>
 
-    <style name="Theme.XklLocal.Fullscreen" parent="Theme.XklLocal">
-        <item name="android:actionBarStyle">@style/Widget.Theme.XklLocal.ActionBar.Fullscreen</item>
-        <item name="android:windowActionBarOverlay">true</item>
-        <item name="android:windowBackground">@null</item>
-    </style>
-
-    <style name="ThemeOverlay.XklLocal.FullscreenContainer" parent="">
-        <item name="fullscreenBackgroundColor">@color/light_blue_600</item>
-        <item name="fullscreenTextColor">@color/light_blue_A200</item>
-    </style>
 </resources>

build.gradle

 
 //在项目级别定义某些属性并在所有模块之间共享这些属性
 ext {
-    compile_sdk_version = 30        //使用rootProject.ext.compile_sdk_version
+    android = [
+            compile_sdk_version: 30,        //使用rootProject.ext.android.compile_sdk_version
+            build_tools_version: "30.0.2",
+            min_sdk_version    : 21,
+            target_sdk_version : 30,
+            version_code       : 100,
+            version_name       : "100",
+            applicationId      : "com.xkl.cdl"
+    ]
+    versions = [
+            core_ktx_version : "1.3.2",
+            appcompat_version: "1.2.0",
+            material_version : "1.3.0",
+    ]
+    //必须依赖
+    dependencies_required = [
+            //为属于Android框架的通用库提供扩展程序
+            core_ktx : "androidx.core:core-ktx:${versions.core_ktx_version}",
+            //Androidx 依赖
+            appcompat: "androidx.appcompat:appcompat:${versions.appcompat_version}",
+            //material_design
+            material : "com.google.android.material:material:${versions.material_version}",
+    ]
+    dependencies_testImplementation = [
+            junit: "junit:junit:4.+"
+    ]
+    dependencies_androidTestImplementation = [
+            test_ext_junit     : "androidx.test.ext:junit:1.1.2",
+            test_espresson_core: "androidx.test.espresso:espresso-core:3.3.0"
+    ]
+    //按需依赖项
+    dependencies_custom = []
+
+
 }

settings.gradle

 }
 rootProject.name = "XklLocal"
 include ':app'
+include ':lib:common'