「Update」

1、换肤SDK兼容 targetSdkVersion >= 29
2、优化代码结构

libraries/mogo-skin/src/main/java/com/mogo/skin/SkinManager.java

@@ -15,13 +15,12 @@ import com.mogo.skin.net.DownloadManager;
 import com.mogo.skin.utils.FileUtils;
 import com.mogo.skin.utils.SkinPreference;
 import com.mogo.skin.utils.SkinResources;
+import com.mogo.skin.utils.SkinUtils;
 
 import java.io.File;
 import java.lang.reflect.Method;
 import java.util.Observable;
 
-import dalvik.system.DexClassLoader;
-
 /**
  * donghongyu
  */
@@ -31,9 +30,17 @@ public class SkinManager extends Observable {
 
     private static Application mApplication;
     private static SkinManager instance;
+    /**
+     * Activity生命周期回调
+     */
     private SkinActivityLifecycle skinActivityLifecycle;
     private Application application;
 
+    /**
+     * 注意首次初始化时需要从配置文件读取使用哪个皮肤,然后应用
+     *
+     * @param application
+     */
     public static void init(Application application) {
         synchronized (SkinManager.class) {
             if (null == instance) {
@@ -50,9 +57,11 @@ public class SkinManager extends Observable {
 
     private SkinManager(Application application) {
         this.application = application;
+        //记录当前使用的皮肤
         SkinPreference.init(application);
+        //资源管理类 用于从 app/皮肤 中加载资源
         SkinResources.init(application);
-        //注册Activity生命周期回调
+        //注册Activity生命周期,并设置被观察者
         skinActivityLifecycle = new SkinActivityLifecycle();
         application.registerActivityLifecycleCallbacks(skinActivityLifecycle);
 
@@ -61,23 +70,24 @@ public class SkinManager extends Observable {
     }
 
     /**
-     * 加载皮肤包 并 更新
+     * 记载皮肤并应用
      *
-     * @param skinPath 皮肤包路径
+     * @param skinPath 皮肤路径 如果为空则使用默认皮肤
      */
     public void loadSkin(String skinPath) {
         Log.d(TAG, "加载皮肤路径：" + skinPath);
-        //还原默认皮肤包
+
         if (TextUtils.isEmpty(skinPath)) {
+            //还原默认皮肤包
             SkinPreference.getInstance().setSkin("");
             SkinResources.getInstance().reset();
         }
         // 加载指定目录下的皮肤
         else {
             try {
-                // 通过反射获取AssetManager
+                //反射创建AssetManager 与 Resource
                 AssetManager assetManager = AssetManager.class.newInstance();
-                // 获取插件APK的AssetManager
+                // 资源路径设置 目录或压缩包
                 Method addAssetPath = assetManager.getClass().getMethod("addAssetPath", String.class);
                 addAssetPath.setAccessible(true);
                 int result = (int) addAssetPath.invoke(assetManager, skinPath);
@@ -87,13 +97,14 @@ public class SkinManager extends Observable {
 
                 // 获取当前Resources
                 Resources resources = application.getResources();
-                // 获取皮肤插件的 Resources 横竖、语言
+                //根据当前的设备显示器信息 与 配置(横竖屏、语言等) 创建Resources
                 Resources skinResource = new Resources(assetManager, resources.getDisplayMetrics(), resources.getConfiguration());
                 // 获取外部Apk(皮肤包) 包名
                 PackageManager mPm = application.getPackageManager();
                 PackageInfo info = mPm.getPackageArchiveInfo(skinPath, PackageManager.GET_ACTIVITIES);
                 String packageName = info.packageName;
                 SkinResources.getInstance().applySkin(skinResource, packageName);
+
                 //保存当前使用的皮肤包
                 SkinPreference.getInstance().setSkin(skinPath);
             } catch (Exception e) {
@@ -155,7 +166,7 @@ public class SkinManager extends Observable {
                     if (TextUtils.equals(SkinUtils.getSkinMD5(skinFile), skin.md5)) {
                         Log.d("SkinActivity", "校验成功,修改文件名。");
                         // 校验文件签名没问题后删除其他主题
-                        deleteFilesExcept(theme,skin.file.getName());
+                        deleteFilesExcept(theme, skin.file.getName());
                     } else {
                         Log.e("SkinActivity", "皮肤文件校验出错,本地文件MD5 与云端文件MD5 不一致。");
                         Toast.makeText(mApplication, "皮肤文件校验出错,本地文件MD5 与云端文件MD5 不一致。", Toast.LENGTH_SHORT).show();
@@ -172,7 +183,6 @@ public class SkinManager extends Observable {
                 // 下载失败后的处理
                 Log.e("DownloadManager", "onDownloadFailed");
                 e.printStackTrace();
-
             }
 
             @Override