目錄

?準備工作

邏輯

具體實現

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在官方淘寶開放平臺查詢打開淘寶APP文檔，未果。各處查找資料，其中參考了《應用內打開京東、淘寶指定商品或店鋪頁面》；發現未安裝淘寶app時在WebView中打開網頁無法下載，其中參考了《三種方式讓 Android WebView 支持文件下載》。在寫下這邊博文之前，始終覺得這種非官方打開方式存在一定隱患，比如官方需要參數發生改變導致我們Intent.setData()中的uri參數不滿足官方要求，各位有更好的方式請評論處留言。

?準備工作

• 店鋪id或商品id
• 淘寶app包名：com.taobao.taobao
• 淘寶app展示店鋪uri：taobao://shop.m.taobao.com/shop/shop_index.htm?shop_id=%1$s
• 淘寶app展示商品uri：taobao://item.taobao.com/item.htm?id=%1$s
• webView展示店鋪uri：https://shop.m.taobao.com/shop/shop_index.htm?shop_id=%1$s
• webView展示商品uri：https://item.taobao.com/item.htm?id=%1$

邏輯

• 檢測本地是否安裝淘寶app
• 安裝則打開淘寶app，否則打開webView

具體實現

判斷本地是否安裝淘寶客戶端 /*** 檢測該包名所對應的應用是否存在** @param packageName* @return*/private static boolean checkPackage(String packageName) {return new File("/data/data/" + packageName).exists();}

其中packageName傳入值為淘寶app包名（即com.taobao.taobao）

根據判斷打開淘寶app或webView

/*** @param activityOrFragment* @param taoBaoShopId 淘寶店鋪id* @param taoBaoGoodsId 淘寶商品id* @param reqCode*/private static void openTaobao(ComponentCallbacks activityOrFragment, String taoBaoShopId,String taoBaoGoodsId, int reqCode) {boolean shopEmpty = taoBaoShopId == null || TextUtil.isEmpty(taoBaoShopId);boolean goodsEmpty = taoBaoGoodsId == null && TextUtil.isEmpty(taoBaoGoodsId);if (shopEmpty && goodsEmpty) {return;}Context context = null;//獲取Contextif (activityOrFragment instanceof Activity) {context = (Activity) activityOrFragment;} else if (activityOrFragment instanceof Fragment) {context = ((Fragment) activityOrFragment).getContext();} else if (activityOrFragment instanceof android.app.Fragment) {context = ((android.app.Fragment) activityOrFragment).getActivity();}if (checkPackage2(MyApp.getContext().getString(R.string.taobao_package_name))) {//Intent intent = new Intent();intent.setAction(Intent.ACTION_VIEW);String uriString;if (taoBaoShopId != null && TextUtil.isEmpty(taoBaoShopId)) {uriString = MyApp.getContext().getString(R.string.taobao_app_shop, taoBaoShopId);} else {uriString = MyApp.getContext().getString(R.string.taobao_app_goods, taoBaoGoodsId);}Uri uri = Uri.parse(uriString);intent.setData(uri);if (context == null) {return;}//跳轉if (activityOrFragment instanceof Activity) {((Activity) activityOrFragment).startActivityForResult(intent, reqCode);} else if (activityOrFragment instanceof Fragment) {((Fragment) activityOrFragment).startActivityForResult(intent, reqCode);} else if (activityOrFragment instanceof android.app.Fragment) {((android.app.Fragment) activityOrFragment).startActivityForResult(intent, reqCode);}} else {String uriString;if (taoBaoShopId != null && TextUtil.isEmpty(taoBaoShopId)) {uriString = MyApp.getContext().getString(R.string.taobao_web_shop, taoBaoShopId);} else {uriString = MyApp.getContext().getString(R.string.taobao_web_goods, taoBaoGoodsId);}MallDetailActivity.startActivity(activityOrFragment, uriString, reqCode);}}

調用

/*** 查看淘寶商鋪** @param activityOrFragment* @param taoBaoShopId* @param reqCode*/public static void openShopInTaobao(ComponentCallbacks activityOrFragment,String taoBaoShopId, int reqCode) {openTaobao(activityOrFragment, taoBaoShopId, null, reqCode);}/*** 查看淘寶商品** @param activityOrFragment* @param taoBaoGoodsId* @param reqCode*/public static void openGoodsInTaobao(ComponentCallbacks activityOrFragment,String taoBaoGoodsId, int reqCode) {openTaobao(activityOrFragment, null, taoBaoGoodsId, reqCode);}

?

用到資源

<string name="taobao_app_shop">taobao://shop.m.taobao.com/shop/shop_index.htm?shop_id=%1$s</string> <string name="taobao_app_goods">taobao://item.taobao.com/item.htm?id=%1$s</string> <string name="taobao_web_shop">https://shop.m.taobao.com/shop/shop_index.htm?shop_id=%1$s</string> <string name="taobao_web_goods">https://item.taobao.com/item.htm?id=%1$s</string> <string name="taobao_package_name">com.taobao.taobao</string>

?

總結

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