微信授权登录demo源码

/** * Project Name:WechatLoginDemo * File Name:WXManager.java * Package Name:com.example.chenzhengjun.wechatlogindemo * Date:11/5/2015 * Copyright (c) 2015, iczjun@gmail.com All Rights Reserved. */ package com.example.chenzhengjun.wechatlogindemo; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.text.TextUtils; import com.tencent.mm.sdk.modelbase.BaseReq; import com.tencent.mm.sdk.modelmsg.SendMessageToWX; import com.tencent.mm.sdk.modelmsg.WXAppExtendObject; import com.tencent.mm.sdk.modelmsg.WXImageObject; import com.tencent.mm.sdk.modelmsg.WXMediaMessage; import com.tencent.mm.sdk.modelmsg.WXTextObject; import com.tencent.mm.sdk.modelmsg.WXVideoObject; import com.tencent.mm.sdk.modelmsg.WXWebpageObject; import com.tencent.mm.sdk.openapi.IWXAPI; import com.tencent.mm.sdk.openapi.IWXAPIEventHandler; import java.io.File; /** * * @author chenzhengjun * */ public class WXManager { private static final String URL_ACCESS_TOKEN = "https://api.weixin.qq.com/sns/oauth2/access_token?"; private static final String URL_REFRESH_TOKEN = "https://api.weixin.qq.com/sns/oauth2/refresh_token?"; private static final int THUMB_SIZE = 150; private static WXManager mWXManager = new WXManager(); private IWXAPI api; public static WXManager instance() { return mWXManager; } /** * @param api * the api to set */ public void setApi(IWXAPI api) { this.api = api; } private String buildTransaction(final String type) { return (type == null) ? String.valueOf(System.currentTimeMillis()) : type + System.currentTimeMillis(); } public boolean handleIntent(Intent arg0, IWXAPIEventHandler arg1) { if (api == null) return false; return api.handleIntent(arg0, arg1); } public boolean isWXAppInstalled() { if (api == null) return false; return api.isWXAppInstalled(); } public boolean isWXAppSupportAPI() { if (api == null) return false; return api.isWXAppSupportAPI(); } public boolean sendReq(BaseReq arg0) { if (api == null) return false; return api.sendReq(arg0); } /** * 分享文本到微信 * * @param isTimelineCb * 是否分享到朋友圈 * @param text * 分享到微信的文本内容 * @return true 成功，false失败 */ public boolean sendTextToWX(boolean isTimelineCb, String text) { if (api == null) return false; if (TextUtils.isEmpty(text)) { return false; } // 初始化一个WXTextObject对象 WXTextObject textObj = new WXTextObject(); textObj.text = text; // 用WXTextObject对象初始化一个WXMediaMessage对象 WXMediaMessage msg = new WXMediaMessage(); msg.mediaObject = textObj; msg.description = text; // 构造一个Req SendMessageToWX.Req req = new SendMessageToWX.Req(); req.transaction = buildTransaction("text"); // transaction字段用于唯一标识一个请求 req.message = msg; req.scene = isTimelineCb ? SendMessageToWX.Req.WXSceneTimeline : SendMessageToWX.Req.WXSceneSession; // 调用api接口发送数据到微信 return api.sendReq(req); } /** * 分享图片 */ public boolean sendImageToWX(boolean isTimelineCb, String imagePath, String imageUrl) { if (api == null) return false; // 本地图片 if (imagePath != null) { File file = new File(imagePath); if (!file.exists()) { return false; } WXImageObject imgObj = new WXImageObject(); imgObj.setImagePath(imagePath); WXMediaMessage msg = new WXMediaMessage(); msg.mediaObject = imgObj; Bitmap bmp = BitmapFactory.decodeFile(imagePath); Bitmap thumbBmp = Bitmap.createScaledBitmap(bmp, THUMB_SIZE, THUMB_SIZE, true); bmp.recycle(); msg.thumbData = Util.bmpToByteArray(thumbBmp, true); SendMessageToWX.Req req = new SendMessageToWX.Req(); req.transaction = buildTransaction("img"); req.message = msg; req.scene = isTimelineCb ? SendMessageToWX.Req.WXSceneTimeline : SendMessageToWX.Req.WXSceneSession; return api.sendReq(req); } return false; } /** * 分享视频到微信 * * @param isTimelineCb * 是否分享到朋友圈 * @return true 成功，false失败 */ public boolean sendVideoToWX(boolean isTimelineCb, String videoLowBandUrl, String videoUrl, String imagePath, String title, String description) { if (api == null) return false; WXVideoObject video = new WXVideoObject(); if (videoUrl != null) { video.videoUrl = videoUrl; } // 低带宽 else { video.videoLowBandUrl = videoLowBandUrl; } WXMediaMessage msg = new WXMediaMessage(video); msg.title = title; msg.description = description; Bitmap thumb = BitmapFactory.decodeFile(imagePath); msg.thumbData = Util.bmpToByteArray(thumb, true); SendMessageToWX.Req req = new SendMessageToWX.Req(); req.transaction = buildTransaction("video"); req.message = msg; req.scene = isTimelineCb ? SendMessageToWX.Req.WXSceneTimeline : SendMessageToWX.Req.WXSceneSession; return api.sendReq(req); } /** * 分享网页到微信 * * @param isTimelineCb * 是否分享到朋友圈 * @param webpageUrl * 网页url * @param imagePath * 网页封面图片路径 * @param title * 分享网页的标题 * @param description * 分享描述文字 * @return true 成功，false失败 */ public boolean sendWebPageToWX(boolean isTimelineCb, String webpageUrl, String imagePath, String title, String description) { if (api == null) return false; WXWebpageObject webpage = new WXWebpageObject(); webpage.webpageUrl = webpageUrl; WXMediaMessage msg = new WXMediaMessage(webpage); msg.title = title; msg.description = description; Bitmap thumb = BitmapFactory.decodeFile(imagePath); msg.thumbData = Util.bmpToByteArray(thumb, true); SendMessageToWX.Req req = new SendMessageToWX.Req(); req.transaction = buildTransaction("webpage"); req.message = msg; req.scene = isTimelineCb ? SendMessageToWX.Req.WXSceneTimeline : SendMessageToWX.Req.WXSceneSession; return api.sendReq(req); } public boolean sendWebPageToWX(boolean isTimelineCb, String webpageUrl, Bitmap image, String title, String description) { if (api == null) return false; WXWebpageObject webpage = new WXWebpageObject(); webpage.webpageUrl = webpageUrl; WXMediaMessage msg = new WXMediaMessage(webpage); msg.title = title; msg.description = description; // Bitmap thumb = BitmapFactory.decodeFile(imagePath); msg.thumbData = Util.bmpToByteArray(image, false); SendMessageToWX.Req req = new SendMessageToWX.Req(); req.transaction = buildTransaction("webpage"); req.message = msg; req.scene = isTimelineCb ? SendMessageToWX.Req.WXSceneTimeline : SendMessageToWX.Req.WXSceneSession; return api.sendReq(req); } public boolean sendAppMsgToWX(boolean isTimelineCb, String webpageUrl, String imageUrl) { if (api == null) return false; final WXAppExtendObject appdata = new WXAppExtendObject(); final String path = "sdcard/test.jpg"; appdata.fileData = Util.readFromFile(path, 0, -1); appdata.extInfo = "this is ext info"; final WXMediaMessage msg = new WXMediaMessage(); msg.setThumbImage(Util.extractThumbNail(path, 150, 150, true)); msg.title = "this is title"; msg.description = "this is description"; msg.mediaObject = appdata; SendMessageToWX.Req req = new SendMessageToWX.Req(); req.transaction = buildTransaction("appdata"); req.message = msg; req.scene = isTimelineCb ? SendMessageToWX.Req.WXSceneTimeline : SendMessageToWX.Req.WXSceneSession; return api.sendReq(req); } public void getAccessToken(String code, WxAccessTokenResp resp)