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<uses-permission android:name="android.permission.INTERNET"/> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/> <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/> <uses-permission android:name="android.permission.READ_PHONE_STATE"/> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
2. 注册到微信
要使你的程序启动后微信终端能响应你的程序,必须在代码中向微信终端注册你的id。
IWXAPI api = WXAPIFactory.createWXAPI(this,WXEntryActivity.APP_ID); api.registerApp(WXEntryActivity.APP_ID); api.handleIntent(geTintent(),this);
在这之前,由于微信4.2以下版本不支持发送到朋友圈,所以有个检测是否能否发送到朋友圈的方法
private static Boolean checkCanSendToFriend(IWXAPI api){ int wxSdkVersion = api.getWXAppSupportAPI(); if (wxSdkVersion >= TIMELINE_SUPPORTED_VERSION) { return true; } else { return false; } }
private static String buildtransaction(final String typE) { return (type == null) ? String.valueOf(System.currentTimeMillis()) : type + System.currentTimeMillis(); }
//api:IWXAPI的一个实例,已注册到app,mode:发送模式(0为聊天,1为发到朋友圈),smallPng:(缩略图绝对路径),bigPng(大图绝对路径) public static void sendImageWithAPI(IWXAPI api,int mode,String smallPng,String bigPng){ Log.i("wc","smallPng:" + smallPng + " bigPng:" + bigPng); Bitmap bmpsmall = BitmapFactory.decodeFile(smallPng); Bitmap bmpBig = BitmapFactory.decodeFile(bigPng); if(bmpsmall == null){ Log.i("wc","bmp is null"); //Toast.makeText(activity,"image path not find,path:" + smallPng,Toast.LENGTH_LONG).show(); return; } if(bmpBig == null){ Log.i("wc",path:" + bigPng,Toast.LENGTH_LONG).show(); return; } WXImageObject imgObj = new WXImageObject(bmpBig); WXMediamessage msg = new WXMediamessage(); msg.mediaObject = imgObj; msg.thumbData = Util.bR_947_11845@pToByteArray(bmpsmall,truE); // 设置缩略图 SendmessageToWX.Req req = new SendmessageToWX.Req(); req.transaction = buildtransaction("img"); req.message = msg; //聊天 if(mode == 0){ req.scene = SendmessageToWX.Req.WXScenesession; } //朋友圈 else if((mode == 1) && (checkCanSendToFriend(api))) { req.scene = SendmessageToWX.Req.WXSceneTimeline; } else{ req.scene = SendmessageToWX.Req.WXScenesession; } api.sendReq(req); Log.i("wc","send img ok"); }
//api:IWXAPI的实例,png:图片路径,title:标题,desc:描述,url:链接地址,mode:模式(0聊天1朋友圈) public static void sendURLWithAPI(IWXAPI api,String png,String title,String desc,String url,int mode) { Bitmap bmp = BitmapFactory.decodeFile(png); if(bmp == null){ //Toast.makeText(activity,path:" + png,Toast.LENGTH_LONG).show(); return; } WXWebpageObject webpage = new WXWebpageObject(); webpage.webpageUrl = url; WXMediamessage msg = new WXMediamessage(webpagE); msg.title = title; msg.description = desc; Bitmap thumb = bmp; msg.thumbData = Util.bR_947_11845@pToByteArray(thumb,truE); SendmessageToWX.Req req = new SendmessageToWX.Req(); req.transaction = buildtransaction("webpage"); req.message = msg; //聊天 if(mode == 0){ req.scene = SendmessageToWX.Req.WXScenesession; } //朋友圈 else if((mode == 1) && (checkCanSendToFriend(api))) { req.scene = SendmessageToWX.Req.WXSceneTimeline; } else{ req.scene = SendmessageToWX.Req.WXScenesession; } api.sendReq(req); }
至此,所有关键要素都已经说明,如果需要原码,请点击查看http://www.voidcn.com/article/p-kngrlkpy-bdv.html
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