Android微信分享

注意图片大小 

// 分享text

public void wxShareText(JSONObject jsonObj){

try {

Log.d("wxShareText","wxShareText");

String text = jsonObj.getString("text");

int platformID = jsonObj.getInt("shareScene");

WXTextObject textObject = new WXTextObject();

textObject.text = text;

WXMediaMessage msg = new WXMediaMessage();

msg.mediaObject = textObject;

msg.description = text;

SendMessageToWX.Req req = new SendMessageToWX.Req();

req.transaction = "text";

req.message = msg;

req.scene = platformID;

wxApi.sendReq(req);

} catch (JSONException e) {

// TODO Auto-generated catch block

e.printStackTrace();

return;

}

}

// 分享图片（本地图片）

public void wxShareImage(JSONObject jsonObj){

try {

Log.d("wxShareImage","wxShareImage");

String imgName = jsonObj.getString("imgName");

int platformID = jsonObj.getInt("shareScene");

Bitmap bmp = BitmapFactory.decodeFile(imgName);  

       WXImageObject imgObj = new WXImageObject(bmp);  

//         imgObj.setImagePath(imgName);  

       WXMediaMessage msg = new WXMediaMessage();  

       msg.mediaObject = imgObj;  

      

       Bitmap thumbBmp = Bitmap.createScaledBitmap(bmp, 150, 150, true);  

       msg.setThumbImage(thumbBmp);  

//         msg.thumbData = Util.bmpToByteArray(thumbBmp, true);

       

       bmp.recycle();  

       SendMessageToWX.Req req = new SendMessageToWX.Req();  

       req.transaction = String.valueOf(System.currentTimeMillis());  

       req.message = msg;  

       req.scene = platformID;   

             

       wxApi.sendReq(req);       

} catch (JSONException e) {

// TODO Auto-generated catch block

e.printStackTrace();

return;

}

}

private Bitmap decodeUriAsBitmapFromNet(String url) {

   URL fileUrl = null;

   Bitmap bitmap = null;

   try {

       fileUrl = new URL(url);

   } catch (MalformedURLException e) {

       e.printStackTrace();

   }

   try {

       HttpURLConnection conn = (HttpURLConnection) fileUrl

               .openConnection();

       conn.setDoInput(true);

       conn.connect();

       InputStream is = conn.getInputStream();

       bitmap = BitmapFactory.decodeStream(is);

       is.close();

   } catch (IOException e) {

       e.printStackTrace();

   }

   return bitmap;

}

// 分享网页

public void wxShareWeb(JSONObject jsonObj){

try {

Log.d("wxShareWeb","wxShareWeb");

String imgName = jsonObj.getString("imgName");

int platformID = jsonObj.getInt("shareScene");

String title = jsonObj.getString("title");

String text = jsonObj.getString("text");

String targeturl = jsonObj.getString("targeturl");

WXWebpageObject webpage = new WXWebpageObject();  

   webpage.webpageUrl = targeturl;  

   WXMediaMessage msg = new WXMediaMessage(webpage);  

   msg.title = title;  

   msg.description = text;  

   

   if  ( imgName.indexOf("http:") != -1 ){

        

   try{    

   Bitmap thumb = BitmapFactory.decodeStream(new URL(imgName).openStream());

   

//     ByteArrayOutputStream baos = new ByteArrayOutputStream();  

//     thumb.compress(Bitmap.CompressFormat.PNG, 100, baos);  

//     

//     ByteArrayInputStream isBm = new ByteArrayInputStream(baos.toByteArray());  

//     BitmapFactory.Options newOpts = new BitmapFactory.Options();  

//     // 开始读入图片，此时把options.inJustDecodeBounds 设回true了  

//     newOpts.inJustDecodeBounds = true;  

//     Bitmap bitmap = BitmapFactory.decodeStream(isBm, null, newOpts);  

//     newOpts.inJustDecodeBounds = false;  

//

//     newOpts.inSampleSize = 2; // 设置缩放比例  

//   

//     isBm = new ByteArrayInputStream(baos.toByteArray());  

//     bitmap = BitmapFactory.decodeStream(isBm, null, newOpts);  

   

   Bitmap thumbBmp = Bitmap.createScaledBitmap(thumb,150,150,true);

   thumb.recycle();

   

   msg.thumbData = Util.bmpToByteArray(thumbBmp, true);  

   }catch(IOException e) {

    e.printStackTrace();

   }  

   

   }else{

    Bitmap thumb = BitmapFactory.decodeFile(imgName);  

      

       Bitmap thumbBmp = Bitmap.createScaledBitmap(thumb, 150, 150, true);

       thumb.recycle();

       

       msg.setThumbImage(thumbBmp);  

 

       

   }

   

   SendMessageToWX.Req req = new SendMessageToWX.Req();  

   req.transaction = "webpage";  

   req.message = msg;  

   req.scene = platformID;  

   wxApi.sendReq(req);  

} catch (JSONException e) {

// TODO Auto-generated catch block

e.printStackTrace();

return;

}

}