public void changeSkin(Object ob, int skinRes, Resources resources) {View view = null;if (null != ob) {if (ob instanceof Activity) { // 普通的 Activity支持Activity activity = (Activity) ob;Drawable drawable = getAttrDrawable(activity, activity.getTheme(), R.attr.tvui_commonItem_detailColor);activity.getWindow().setBackgroundDrawable(drawable);// 获取 content view.view = activity.findViewById(android.R.id.content);} else if (ob instanceof Dialog) { // 系统设置5.0 - Dialog 主题切换支持Window window = ((Dialog) ob).getWindow();if (window != null) {view = window.getDecorView();}} else if (ob instanceof View) { // 普通的 View 主题切换支持view = (View) ob;}mResources = resources != null ? resources : view.getResources();if (null != view) {// 切换主题样式theme = mResources.newTheme();theme.applyStyle(skinRes, true);// 设置背景颜色ColorStateList bgColorStateList = getAttrColorStateList(mContext, theme, R.attr.tvui_main_layout_background_color);view.setBackgroundColor(bgColorStateList.getDefaultColor());// 切换主题样式，遍历所有子View...setThemeDatas(view, skinRes, theme);}}
}// 遍历Views切换主题样式
private void setThemeDatas(View view, int skinRes, Resources.Theme theme) {applyTheme(view, skinRes, theme);if (view instanceof ViewGroup) {ViewGroup viewGroup = (ViewGroup) view;for (int i = 0; i < viewGroup.getChildCount(); i++) {setThemeDatas(viewGroup.getChildAt(i), skinRes, theme);}}
}private void applyTheme(View view, int skinRes, Resources.Theme theme) {if (view instanceof Button) {((Button)view).setTextColor(getAttrColorStateList(mContext, theme, R.attr.tvui_text_color).getDefaultColor());}
}// 添加了测试的 背景颜色与文本颜色
<attr name="tvui_main_layout_background_color" format="color"/>
<attr name="tvui_text_color" format="color"/><style name="NewAppTheme" parent="xxxx"><item name="tvui_main_layout_background_color">#FF0000</item><item name="tvui_text_color">#0000FF</item>
</style>// 切换主题
SkinManager.getInstance(AnimHomeActivity.this).changeSkin(AnimHomeActivity.this, R.style.NewAppTheme);

public void changeSkin(Object ob, int skinRes, Resources resources) {View view = null;... ...view.setBackgroundColor(bgColorStateList.getDefaultColor());// 新增 随意一个都可以，设置后，后续新出来的控件都是现在切换的主题样式view.getContext().setTheme(skinRes);//view.getContext().getTheme().setTo(theme);
}// 主题 style
<attr name="TVUIRoundButtonStyle" format="reference"/>
<declare-styleable name="UIRoundButton"><attr name="tvui_text_color"/>
</declare-styleable>// 默认主题使用
<style name="TVUITheme.UIRoundButton"><item name="tvui_text_color">#FFEB3B</item>
</style>// NewAppTheme 使用
<style name="TVUITheme.UIRoundButton.New"><item name="tvui_text_color">#2196F3</item>
</style><style name="NewAppTheme" parent="xxxxx"><item name="tvui_main_layout_background_color">#FF0000</item><item name="tvui_text_color">#0000FF</item><item name="TVUIRoundButtonStyle">@style/TVUITheme.UIRoundButton.New</item>
</style>// 测试UIButton代码
public class TVUIButton extends Button {public TVUIButton(Context context) {this(context, null);}public TVUIButton(Context context, AttributeSet attrs) {this(context, attrs, R.attr.TVUIRoundButtonStyle);}public TVUIButton(Context context, AttributeSet attrs, int defStyleAttr) {super(context, attrs, defStyleAttr);TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.UIRoundButton, defStyleAttr, 0);int textColor = ta.getColor(R.styleable.UIRoundButton_tvui_text_color, Color.BLACK);setTextColor(textColor);setTextSize(152);ta.recycle();}
}

<attr name="tvui_text_color" format="color"/><style name="NewAppTheme" parent="xxxx"><item name="tvui_text_color">#0000FF</item>
</style>// 布局里面使用
android:textColor="?attr/tvui_text_color"
// 代码中使用
ColorStateList textColor = SkinManager.getAttrColorStateList(getContext(), R.attr.tvui_text_color);

// 这里会有点卡，建议放在异步线程里面执行相关操作
String skinPkgPath = "皮肤的apk路径";
File file = new File(skinPkgPath);
if(file == null || !file.exists()){return null;
}PackageManager mPm = context.getPackageManager();
// getPackageArchiveInfo文章: https://blog.csdn.net/qq379454816/article/details/50402805?locationNum=10&fps=1
PackageInfo mInfo = mPm.getPackageArchiveInfo(skinPkgPath, PackageManager.GET_ACTIVITIES);
skinPackageName = mInfo.packageName;AssetManager assetManager = AssetManager.class.newInstance();
// 调用addAssetPath方法将皮肤包加载进内存
Method addAssetPath = assetManager.getClass().getMethod("addAssetPath", String.class);
addAssetPath.invoke(assetManager, skinPkgPath);Resources superRes = context.getResources();
Resources skinResource = new Resources(assetManager, superRes.getDisplayMetrics(),superRes.getConfiguration()); // apk皮肤包的资源句柄skinPath = skinPkgPath;
isDefaultSkin = false;return skinResource;

public class SkinInflaterFactory implements Factory {public View onCreateView(String name, Context context, AttributeSet attrs) {view = LayoutInflater.from(context).createView(name, "android.view.", attrs);// 创建 view.view = LayoutInflater.from(context).createView(name, null, attrs);// 这里可以判断 view 的 name，是不是 原生的，你也可以替换成你的//return view;}// 解析view的 attrs 的属性，保存view的相关信息private void parseSkinAttr(Context context, AttributeSet attrs, View view) {}
}// Activity或者其它地方如何使用？？
getLayoutInflater().setFactory(new SkinInflaterFactory());

// 获取颜色值 比如 <color name="tvui_bg_color">#ecf0f1</color>
public int getColor(int resId){int originColor = context.getResources().getColor(resId);// 如果APK资源 mResources为空 或 使用默认的，就返回当前APP默认的资源if(mResources == null || isDefaultSkin) {return originColor;}// 获取 ID 的字符串名称  ，这里返回的是 tvui_bg_colorString resName = context.getResources().getResourceEntryName(resId);// getResourceTypeName(resId) 获取 color, drawable 等类型，这里返回的就是 color// 通过APK资源的 mResources 获取APK 相关的资源.(类型，名字相关，值不一样的)// 比如APK资源里面是这样：<color name="tvui_bg_color">#FF0000</color>int trueResId = mResources.getIdentifier(resName, "color", skinPackageName);int trueColor = 0;try{trueColor = mResources.getColor(trueResId);} catch(NotFoundException e) {e.printStackTrace();trueColor = originColor;}return trueColor;
}
// 获取Drawble
getDrawable... ...

 public Resources getResources() {Resources resources = SkinManagerApk.getInstance().getResources();if (null != resources) {return resources;}return super.getResources();
}
// getResources().getColorStateList(R.color.news_item_text_color_selector);