[adapters] 增加小游戏适配部分源码

adapters/platforms/taobao/res/app.js

@@ -0,0 +1,41 @@
+var onShowCB;
+var onHideCB;
+
+App({
+  onLaunch(options) {
+    console.info('App onLaunched');
+    $global.__cocosCallback = function () {
+      require('./ccRequire');
+      require('adapter-js-path');
+      __globalAdapter.init();
+      require('cocos2d-js-path');
+      require('physics-js-path');
+      __globalAdapter.adaptEngine();
+      
+      require('./src/settings');
+      // Introduce Cocos Service here
+      require('./main');  // TODO: move to common
+      
+      // Adjust devicePixelRatio
+      cc.view._maxPixelRatio = 4;
+      
+      // Release Image objects after uploaded gl texture
+      cc.macro.CLEANUP_IMAGE_CACHE = true;
+      
+      window.boot();
+    };
+
+    __globalAdapter.onShow = function (cb) {
+      onShowCB = cb;
+    };
+    __globalAdapter.onHide = function (cb) {
+      onHideCB = cb;
+    };
+  },
+  onShow(options) {
+    onShowCB && onShowCB();
+  },
+  onHide(options) {
+    onHideCB && onHideCB();
+  },
+});