refactor(download): 重构下载模块代码格式和逻辑实现

- 格式化 ChildHandleDialog 类代码缩进和空行
- 优化 ChildHandleDialog 中的 onClick 方法使用 if-else 替代 switch
- 格式化 M3U8LiveDLoadActivity 类代码缩进和空行
- 优化 M3U8LiveDLoadActivity 中的菜单点击事件处理逻辑
- 格式化 M3U8VodDLoadActivity 类代码缩进和空行
- 添加必要的 import 语句和空行分隔
- 统一代码风格和提高可读性

SFtpComponent/build.gradle

@@ -1,44 +1,53 @@
 apply plugin: 'com.android.library'
 
 android {
-  compileSdkVersion rootProject.ext.compileSdkVersion
-  buildToolsVersion rootProject.ext.buildToolsVersion
+    namespace "com.arialyy.aria.sftp"
 
-  defaultConfig {
-    minSdkVersion rootProject.ext.minSdkVersion
-    targetSdkVersion rootProject.ext.targetSdkVersion
-    versionCode rootProject.ext.versionCode
-    versionName rootProject.ext.versionName
+    compileSdkVersion rootProject.ext.compileSdkVersion
+    buildToolsVersion rootProject.ext.buildToolsVersion
 
-    testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-    consumerProguardFiles 'consumer-rules.pro'
-  }
+    defaultConfig {
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        versionCode rootProject.ext.versionCode
+        versionName rootProject.ext.versionName
 
-  buildTypes {
-    debug{
-      debuggable true
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles 'consumer-rules.pro'
     }
-    release {
-      minifyEnabled false
-      proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+
+    lintOptions {
+        abortOnError false
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    buildTypes {
+        debug {
+            debuggable true
+        }
+
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
     }
-  }
-  lintOptions {
-    abortOnError false
-  }
 
 }
 
 dependencies {
-  implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
 
-  api "com.jcraft:jsch:0.1.55"
-  api "com.jcraft:jzlib:1.1.3"
-  implementation project(path: ':PublicComponent')
+    api "com.jcraft:jsch:0.1.55"
+    api "com.jcraft:jzlib:1.1.3"
+    implementation project(path: ':PublicComponent')
 }
 
 //apply from: 'bintray-release.gradle'
-ext{
-  PUBLISH_ARTIFACT_ID = 'sftp'
+ext {
+    PUBLISH_ARTIFACT_ID = 'sftp'
 }
 apply from: '../gradle/mavenCentral-release.gradle'