一.微信登錄分三個步驟:php
1).微信受權登錄
2).根據受權登錄code 獲取該用戶token
3).根據token獲取用戶資料
4).接收微信的請求及返回值 若是你的程序須要接收微信發送的請求,或者接收發送到微信請求的響應結果,須要下面3步操做:java
a. 在你的包名相應目錄下新建一個wxapi目錄,並在該wxapi目錄下新增一個WXEntryActivity類,該類繼承自Activity(例如應用程序的包名爲net.sourceforge.simcpuxandroid
![1](http://static.javashuo.com/static/loading.gif)
權限:加上exported屬性,設置爲true:api
![2](http://static.javashuo.com/static/loading.gif)
b. 實現IWXAPIEventHandler接口,微信發送的請求將回調到onReq方法,發送到微信請求的響應結果將回調到onResp方法
c. 在WXEntryActivity中將接收到的intent及實現了IWXAPIEventHandler接口的對象傳遞給IWXAPI接口的handleIntent方法,示例以下圖:緩存
![](http://static.javashuo.com/static/loading.gif)
微信官網登錄教程:https://open.weixin.qq.com/cgi-bin/showdocument?action=dir_list&t=resource/res_list&verify=1&id=open1419317851&token=&lang=zh_CN服務器
微信官網接入指南:https://open.weixin.qq.com/cgi-bin/showdocument?action=dir_list&t=resource/res_list&verify=1&id=1417751808&token=&lang=zh_CN微信
二.微信分享直接調用sdk就行,回調跟登錄回調的類是同樣的,根據BaseResp的類型來區分是登錄仍是分享。網絡
三.微信支付app
1).發送一個支付請求curl
2).接收微信支付的返回值(跟接收微信登錄.分享的返回值相似,我就不寫詳細操做步驟了)
官網參考地址:https://pay.weixin.qq.com/wiki/doc/api/app.php?chapter=8_5
四.貼上代碼進行講解
我把微信登錄,分享,支付都封裝到了一個類裏面了,大家能夠參考這個類.封裝了6個方法,我對幾個須要的方法介紹一下
1).構造方法:初始化對象的時候,順便初始化微信對象,把app_id註冊到微信
2).login() 發起一個登錄的請求 在微信登錄監聽Actviity中獲取code
3).getAccessToken(String code) 當你從監聽Activity中獲取了code以後就能夠經過這個方法獲取微信訪問token了
4).getWeiXinUserInfo(final WeiXinToken obj) 獲取微信用戶信息 傳入一個WeiXinToken對象,這個對象是第三步的返回值
5).share(final boolean friendsCircle,final VideoB videoB) 分享給朋友或者朋友圈 若是你有分享圖片,圖片過大的時候必定要通過壓縮,微信官網說明圖片不能大
於32kb
6).isWXAppInstalled() 檢查微信是否安裝
7).wxPay(final BaseActivity activity,String order_id,String payType) 微信支付 咱們項目微信支付的一些參數保存在服務器上,因此我這邊還請求了本身的
服務器,若是大家是放在本地,直接copy回調函數裏面的代碼便可.在微信支付監聽Actviity中獲取支付的狀態碼
PayReq類屬性對應含義請參考微信官方文檔:https://pay.weixin.qq.com/wiki/doc/api/app.php?chapter=9_12
- public class WeiXinPresenter extends Presenter{
- public static final int IMAGE_SIZE=32768;
- public static final String APP_ID = "";
- public static final String SECRET="";
-
- private IWXAPI wxAPI;
- private IView iView;
- private IUserController userController;
-
- @Override
- public IView getIView() {
- return iView;
- }
-
- public WeiXinPresenter(Context context){
- if(context!=null && context instanceof IView)
- iView =(IView) context;
- if(wxAPI==null){
- wxAPI = WXAPIFactory.createWXAPI(context,APP_ID,true);
- wxAPI.registerApp(APP_ID);
- }
- if(null==userController)
- userController=ControllerFactory.getUserController();
- }
-
-
- public void login(){
- SendAuth.Req req = new SendAuth.Req();
- req.scope = "snsapi_userinfo";
- req.state = String.valueOf(System.currentTimeMillis());
- wxAPI.sendReq(req);
- }
-
-
- public void getAccessToken(String code){
- if(!userController.isLogin()){
- userController.getWeiXinAccessToken(APP_ID,SECRET,code,new RequestDataCallback<WeiXinToken>(){
- @Override
- public void dataCallback(WeiXinToken obj){
- if(obj!=null){
- if(obj.getErrcode()==0){
- if(MLog.debug)
- iView.showToast("受權用戶惟一標識:"+obj.getOpenid());
- getWeiXinUserInfo(obj);
- }else{
- iView.showToast(obj.getErrmsg());
- }
- }else{
-
- }
- }
- });
- }else{
-
- }
- }
-
-
- private void getWeiXinUserInfo(final WeiXinToken obj){
- userController.getWeiXinUserInfo(obj.getAccess_token(), obj.getOpenid(), new RequestDataCallback<RegisterB>() {
- @Override
- public void dataCallback(RegisterB registerB){
- registerB.setAccess_token(obj.getAccess_token());
- registerB.setToken_expire_at(obj.getExpires_in());
- if(registerB.getErrcode()==0){
- registerB.setThird_type_name(Constants.WEI_XIN);
- thirdLogin(registerB);
- }else{
- iView.showToast(registerB.getErrmsg());
- }
- }
- });
- }
-
-
- private void thirdLogin(RegisterB registerB){
- userController.thirdAuth(registerB,new RequestDataCallback<UserP>(){
- @Override
- public void dataCallback(UserP user){
- if(checkCallbackData(user, true)){
- if(user.getError()==user.ErrorNone){
- iView.showToast(R.string.login_success);
- getAppController().sendLoginChangeIntent();
- userController.saveLoginUser(user,FileUtil.getFilePath());
- ((ILoginView)iView).toMain();
- }else{
- iView.showToast(user.getError_reason());
- }
- }
- }
- });
- }
-
-
- public void share(final boolean friendsCircle,final VideoB videoB){
- new LoadPicThread(videoB.getCover_url(),new Handler(){
- @Override
- public void handleMessage(Message msg) {
- byte[] bytes=(byte[]) msg.obj;
- if(bytes.length>IMAGE_SIZE){
- iView.showToast(R.string.image_no_big);
- return;
- }
- System.out.println("圖片長度:"+bytes.length);
- WXVideoObject videoObject = new WXVideoObject();
- videoObject.videoUrl = videoB.getShare_url() + Constants.WEI_XIN + "&share_from="+com.kaka.utils.Constants.ANDROID;
- WXMediaMessage wxMessage = new WXMediaMessage(videoObject);
- wxMessage.title = videoB.getContent();
- wxMessage.thumbData = bytes;
- SendMessageToWX.Req req = new SendMessageToWX.Req();
-
- req.transaction = String.valueOf(videoB.getId() + System.currentTimeMillis());
- req.message = wxMessage;
- req.scene = friendsCircle ? SendMessageToWX.Req.WXSceneTimeline : SendMessageToWX.Req.WXSceneSession;
- wxAPI.sendReq(req);
- }
- }).start();
- }
-
- private class LoadPicThread extends Thread{
- private String url;
- private Handler handler;
- public LoadPicThread(String url,Handler handler){
- this.url=url;
- this.handler=handler;
- }
-
- @Override
- public void run(){
- try {
- URL picurl = new URL(url);
- HttpURLConnection conn = (HttpURLConnection)picurl.openConnection();
- conn.setConnectTimeout(6000);
- conn.setDoInput(true);
- conn.setUseCaches(false);
- conn.connect();
- Bitmap bmp=BitmapFactory.decodeStream(conn.getInputStream());
-
- ByteArrayOutputStream output = new ByteArrayOutputStream();
-
- bmp.compress(Bitmap.CompressFormat.JPEG, 100, output);
- int options = 100;
- while (output.toByteArray().length > IMAGE_SIZE && options != 10) {
- output.reset();
- bmp.compress(Bitmap.CompressFormat.JPEG, options, output);
- options -= 10;
- }
-
- bmp.recycle();
- byte[] result = output.toByteArray();
- output.close();
-
- Message message=handler.obtainMessage();
- message.obj=result;
- message.sendToTarget();
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- }
-
-
- public boolean isWXAppInstalled(){
- return wxAPI.isWXAppInstalled();
- }
-
-
- public void wxPay(final BaseActivity activity,String order_id,String payType){
- activity.showProgress("");
- ControllerFactory.getWalletsController().getPayments(order_id, payType, new RequestDataCallback<PaymentsP>() {
- @Override
- public void dataCallback(PaymentsP obj) {
- if(checkCallbackData(obj, true)){
- if(obj.getError()==obj.ErrorNone){
- PayReq req = new PayReq();
-
- req.appId = obj.getAppid();
- req.nonceStr=obj.getNoncestr();
- req.packageValue=obj.getPackage_value();
- req.sign=obj.getSign();
- req.partnerId=obj.getPartnerid();
- req.prepayId=obj.getPrepayid();
- req.timeStamp=obj.getTimestamp();
-
- wxAPI.registerApp(obj.getAppid());
- wxAPI.sendReq(req);
-
- MLog.i("ansen", "開始進行微信支付..");
- iView.showToast("開始進行微信支付..");
- }
- }else{
- iView.showToast(obj.getError_reason());
- }
- activity.hideProgress();
- }
- });
- }
- }
微信登錄以及分享 請求跟返回值的接收 我這邊登錄.分享的狀態都是發送廣播出去,而後結束當前的Activity.
- public class WXEntryActivity extends Activity implements IWXAPIEventHandler{
- private IWXAPI wxAPI;
-
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
-
- if(MLog.debug)
- System.out.println("WXEntryActivity onCreate");
-
- wxAPI = WXAPIFactory.createWXAPI(this,WeiXinPresenter.APP_ID,true);
- wxAPI.registerApp(WeiXinPresenter.APP_ID);
-
- wxAPI.handleIntent(getIntent(), this);
- }
-
- @Override
- protected void onNewIntent(Intent intent){
- super.onNewIntent(intent);
- wxAPI.handleIntent(getIntent(),this);
- if(MLog.debug)
- System.out.println("WXEntryActivity onNewIntent");
- }
-
- @Override
- public void onReq(BaseReq arg0) {
- if(MLog.debug)
- System.out.println("WXEntryActivity onReq:"+arg0);
- if(MLog.debug)
- Toast.makeText(this, "onReq 方法運行", 0).show();
- }
-
- @Override
- public void onResp(BaseResp resp){
- MLog.d("ansen", "onResp.....");
- if(MLog.debug)
- Toast.makeText(this,"onResp 方法運行", 0).show();
- if(resp.getType()==ConstantsAPI.COMMAND_SENDMESSAGE_TO_WX){
- switch (resp.errCode){
- case BaseResp.ErrCode.ERR_OK:
- if(MLog.debug)
- Toast.makeText(WXEntryActivity.this, "分享成功!", Toast.LENGTH_SHORT).show();
- break;
- case BaseResp.ErrCode.ERR_USER_CANCEL:
- break;
- case BaseResp.ErrCode.ERR_AUTH_DENIED:
-
- break;
- }
- Intent intent = new Intent();
- intent.setAction(APIDefineConst.BROADCAST_ACTION_WEIXIN_SHARE);
- LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
- lbm.sendBroadcast(intent);
- }else if(resp.getType()==ConstantsAPI.COMMAND_SENDAUTH){
- SendAuth.Resp authResp = (Resp) resp;
- String code = authResp.code;
- Intent intent = new Intent();
- intent.setAction(APIDefineConst.BROADCAST_ACTION_WEIXIN_TOKEN);
- intent.putExtra("errCode", authResp.errCode);
- if (authResp.errCode == BaseResp.ErrCode.ERR_OK){
- intent.putExtra("code", code);
- }
-
- if(MLog.debug)
- Toast.makeText(this, "WXEntryActivity 發送登錄廣播!!!!", 0).show();
- if (android.os.Build.VERSION.SDK_INT >= 12) {
- intent.setFlags(32);
- }
- LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
- lbm.sendBroadcast(intent);
- }
- finish();
- }
- }
微信支付 請求跟返回值的接收 微信支付也是發送廣播,若是大家還有需求判斷支付成功或者失敗,能夠在廣播的intent中進行傳參
- public class WXPayEntryActivity extends Activity implements IWXAPIEventHandler{
- private IWXAPI wxAPI;
-
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- wxAPI = WXAPIFactory.createWXAPI(this, WeiXinPresenter.APP_ID);
- wxAPI.handleIntent(getIntent(), this);
- }
-
- @Override
- protected void onNewIntent(Intent intent){
- super.onNewIntent(intent);
- setIntent(intent);
- wxAPI.handleIntent(intent, this);
- }
-
- @Override
- public void onReq(BaseReq arg0) {
- }
-
- @Override
- public void onResp(BaseResp resp) {
- MLog.i("微信支付回調..", "ansen onResp");
- if (resp.getType() == ConstantsAPI.COMMAND_PAY_BY_WX){
- if(resp.errCode==BaseResp.ErrCode.ERR_OK){
- Intent intent = new Intent();
- intent.setAction(APIDefineConst.BROADCAST_ACTION_WEIXIN_PAY);
- LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
- lbm.sendBroadcast(intent);
-
- }else{
- }
- }
- finish();
- }
強調一點,必定要注意 接收微信的請求及返回值 的包名跟類名,包名是應用程序的包名+".wxapi" 類名必須是微信指定的類名 而且這兩個Activity必定要在AndroidManifest.xml中註冊,上傳一張是我作的app中包名跟類名的截圖
![4](http://static.javashuo.com/static/loading.gif)
如何在activity中調用微信登錄
1).登錄廣播監聽內部類 若是接收到了廣播就去獲取微信token
- private class WXEntryReceiver extends BroadcastReceiver {
- @Override
- public void onReceive(Context context, Intent intent){
- MLog.i("WXEntryReceiver", "接收微信登錄廣播");
- if(MLog.debug)
- showToast("接收微信登錄廣播");
- if(intent.getAction().equals(APIDefineConst.BROADCAST_ACTION_WEIXIN_TOKEN)){
- int errCode = intent.getExtras().getInt("errCode");
- if(MLog.debug)
- System.out.println("獲取錯誤碼:"+errCode);
- if(errCode==BaseResp.ErrCode.ERR_USER_CANCEL||errCode==BaseResp.ErrCode.ERR_AUTH_DENIED){
- requestDataFinish();
- }else{
- String code = intent.getExtras().getString("code");
- xinTestPresenter.getAccessToken(code);
- }
- }
- }
- }
2).定義成員變量
- private WXEntryReceiver wxEntryReceiver=null;
3).在oncreate中註冊廣播
- wxEntryReceiver= new WXEntryReceiver();
- LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
- IntentFilter filter = new IntentFilter();
- filter.addAction(APIDefineConst.BROADCAST_ACTION_WEIXIN_TOKEN);
- lbm.registerReceiver(wxEntryReceiver,filter);
4).調用微信登錄
- WeiXinPresenter xinTestPresenter=new WeiXinPresenter(this);
- xinTestPresenter.login();
在Activity中調用微信分享跟調用微信支付的代碼我就不貼出來了,我這篇博客只是給你們一個參考的地方,遇到問題仍是建議第一時間看官方文檔.
說說我在作微信登錄碰到的問題
1.微信登錄、分享、支付 回調的activity 包名跟類名必定要嚴格按照要求去寫
2.接收回調的是activity 必定要在AndroidManifest.xml中註冊
3.WeiXinPresenter中有兩個常量 APP_ID跟SECRET 要去微信申請的時候纔有的.大家copy代碼的時候要給這兩個常量賦值
4.可能訪問網絡神馬的還須要一些權限 記得在AndroidManifest.xml添加權限
5.調用微信的登錄、分享、支付 你的安裝包必定要有簽名,簽名信息必定要跟你在微信官網上申請時簽名信息一致
6.微信沒有客服支持。。。。。若是出了問題看官方demo 或者 官方API
7.微信sdk常常升級,若是你開發的時候有最新的就用最新的吧....