本文是將微信網址分享的圖片改為用戶頭像，通過頭像的url獲取

public static void share(String CustomEventData,String title,String titlle_detail,String imgUrl)throwsMalformedURLException {

Log.e(TAG,"share##########################");

Log.e(TAG,imgUrl);

WXWebpageObject webpage =newWXWebpageObject();

webpage.webpageUrl="https://fir.im/5et2";

WXMediaMessage msg =newWXMediaMessage(webpage);

msg.title= title;

msg.description= titlle_detail;

//加載本地圖片

//? ? ? ? Bitmap thumb = BitmapFactory.decodeResource(getContext().getResources(), R.drawable.zhuye_tip);

//? ? ? ? msg.setThumbImage(thumb);

//? ? ? ? thumb.recycle();

//加載網絡圖片********

//注意下方的壓縮

try{

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

//注意下面的這句壓縮，120，150是長寬。

//一定要壓縮，不然會分享失敗

Bitmap thumbBmp = Bitmap.createScaledBitmap(thumb,120,150,true);

//Bitmap回收

thumb.recycle();

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

//? ? ? ? ? ? msg.setThumbImage(thumb);

}catch(IOException e) {

e.printStackTrace();

}

Log.e(TAG,msg.title);

Log.e(TAG,msg.description);

//構造Req

SendMessageToWX.Req req =newSendMessageToWX.Req();

req.transaction=buildTransaction("webpage");

req.message= msg;

Log.e(TAG,CustomEventData);

if(Integer.parseInt(CustomEventData) ==0){

req.scene= SendMessageToWX.Req.WXSceneSession;

}

else{

req.scene= SendMessageToWX.Req.WXSceneTimeline;

}

api.sendReq(req);//發送到微信

Log.e(TAG,"share###### END ####################");

}