修复稳定

proj.android/src/com/jxkh/queyi/wxapi/WXEntryActivity.java

@@ -48,7 +48,7 @@ public class WXEntryActivity extends Activity implements IWXAPIEventHandler{
     //public static final String AppSecret = "85dda78b3fdf3cb6619526fabf089863";
 
 	
-    // IWXAPI 鏄涓夋柟app鍜屽井淇￠<EFBFBD>氫俊鐨刼penapi鎺ュ彛
+    // IWXAPI 是第三方app和微信通信的openapi接口
     private static IWXAPI 			  api;
 
 	private static final int SceneSession = 0;
@@ -72,9 +72,9 @@ public class WXEntryActivity extends Activity implements IWXAPIEventHandler{
 	        
 			Intent intent = getIntent();
 
-			// 閫氳繃WXAPIFactory宸ュ巶锛岃幏鍙朓WXAPI鐨勫疄渚<EFBFBD>
+			// 通过WXAPIFactory工厂，获取IWXAPI的实例
 	    	api = WXAPIFactory.createWXAPI(this,APP_ID, true);
-	    	// 灏嗚app娉ㄥ唽鍒板井淇<EFBFBD>
+		// 将该app注册到微信
 		    api.registerApp(APP_ID);
 	        api.handleIntent(intent, this);
 	        
@@ -136,14 +136,22 @@ public class WXEntryActivity extends Activity implements IWXAPIEventHandler{
 		if (!file.exists()) 
 		{
 		    Log.d(Tag,"reqShare file not exists:"+ImgPath);
+		    finish();
 		    return;
 		}
 
 		Bitmap bmp = BitmapFactory.decodeFile(ImgPath);
+		if (bmp == null) {
+			Log.e(Tag, "reqShare decode bitmap failed: " + ImgPath);
+			finish();
+			return;
+		}
 		
-		// 璁＄畻缂╂斁姣斾緥  
+		// 计算缩放比例
 		int scaleWidth = (int)(bmp.getWidth() * 0.5);
 		int scaleHeight = (int)(bmp.getHeight() * 0.5);
+		if (scaleWidth <= 0) scaleWidth = 1;
+		if (scaleHeight <= 0) scaleHeight = 1;
 		Bitmap newBmp = Bitmap.createScaledBitmap(bmp, scaleWidth, scaleHeight, true);
 		WXImageObject imgObj = new WXImageObject(newBmp);
 		
@@ -257,7 +265,7 @@ public class WXEntryActivity extends Activity implements IWXAPIEventHandler{
 	    Log.d(Tag,"reqShareTxtCB Ok:"+text);
     }
     
- // 寰俊鍙戦<EFBFBD>佽姹傚埌绗笁鏂瑰簲鐢ㄦ椂锛屼細鍥炶皟鍒拌鏂规硶
+ // 微信发送请求到第三方应用时，会回调到该方法
 	@Override
 	public void onReq(BaseReq req) 
 	{
@@ -277,7 +285,7 @@ public class WXEntryActivity extends Activity implements IWXAPIEventHandler{
 	    Log.d(Tag,"onReq:"+req.getType());
 	}
 
-	// 绗笁鏂瑰簲鐢ㄥ彂閫佸埌寰俊鐨勮姹傚鐞嗗悗鐨勫搷搴旂粨鏋滐紝浼氬洖璋冨埌璇ユ柟娉<EFBFBD>
+	// 第三方应用发送到微信的请求处理后的响应结果，会回调到该方法
 	@Override
 	public void onResp(BaseResp resp) {