Wechat Login

WeChatLogin.java

package net.sourceforge.simcpux.wxapi;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;

import net.sourceforge.simcpux.Constants;

import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import net.sourceforge.simcpux.R;
import com.tencent.mm.sdk.constants.ConstantsAPI;
import com.tencent.mm.sdk.modelbase.BaseReq;
import com.tencent.mm.sdk.modelbase.BaseResp;
import com.tencent.mm.sdk.modelmsg.SendAuth;
import com.tencent.mm.sdk.openapi.IWXAPI;
import com.tencent.mm.sdk.openapi.IWXAPIEventHandler;
import com.tencent.mm.sdk.openapi.WXAPIFactory;

public class WXEntryActivity extends Activity implements IWXAPIEventHandler {

	private static final int TIMELINE_SUPPORTED_VERSION = 0x21020001;

	private Button gotoBtn, regBtn, launchBtn, checkBtn;

	// IWXAPI 是第三方app和微信通信的openapi接口
	private IWXAPI api;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.entry);

		// 通过WXAPIFactory工厂，获取IWXAPI的实例
		api = WXAPIFactory.createWXAPI(this, Constants.APP_ID, false);

		regBtn = (Button) findViewById(R.id.reg_btn);
		regBtn.setOnClickListener(new View.OnClickListener() {

			@Override
			public void onClick(View v) {
				// 将该app注册到微信
				api.registerApp(Constants.APP_ID);

				final SendAuth.Req req = new SendAuth.Req();
				req.scope = "snsapi_userinfo";
				req.state = "none";
				// req.openId = getOpenId();
				api.sendReq(req);
			}
		});

		api.handleIntent(getIntent(), this);
	}

	@Override
	public void onReq(BaseReq req) {
		// TODO Auto-generated method stub
	}

	@Override
	public void onResp(BaseResp resp) {
		int result = 0;
		if (resp.getType() == ConstantsAPI.COMMAND_SENDAUTH) {
			auth(resp);
		}
	}

	@Override
	protected void onNewIntent(Intent intent) {
		super.onNewIntent(intent);

		setIntent(intent);
		api.handleIntent(intent, this);
	}

	private void auth(BaseResp resp) {
		Log.e("tag", "---ErrCode:" + resp.errCode);
		Toast.makeText(this, "code = " + ((SendAuth.Resp) resp).code,
				Toast.LENGTH_SHORT).show();
		final String code = ((SendAuth.Resp) resp).code;
		new Thread() {
			public void run() {
				URL url;
				BufferedReader reader = null;
				String s = "";
				try {
					url = new URL(
							"https://api.weixin.qq.com/sns/oauth2/access_token?appid="
									+ Constants.APP_ID + "&secret="
									+ Constants.secret + "&code=" + code
									+ "&grant_type=authorization_code");
					URLConnection con = url.openConnection();
					reader = new BufferedReader(new InputStreamReader(
							con.getInputStream()));
					String line = reader.readLine().toString();
					s += line;
					while ((line = reader.readLine()) != null) {
						s = s + line;
					}
				} catch (MalformedURLException e) {
					e.printStackTrace();
				} catch (IOException e) {
					e.printStackTrace();
				} catch (Exception e) {
					e.printStackTrace();
				} finally {
					if (reader != null) {
						try {
							reader.close();
						} catch (IOException e) {
							e.printStackTrace();
						}
					}
				}
				Log.i("tag", "response: " + s);
				JSONObject jsonObj;
				String accessToken = "";
				String openId = "";
				try {
					jsonObj = new JSONObject(s);
					accessToken = jsonObj.getString("access_token");
					openId = jsonObj.getString("openid");
					;
				} catch (JSONException e) {
					e.printStackTrace();
				}
				BufferedReader br = null;
				String str = "";
				try {
					URL userUrl = new URL(
							"https://api.weixin.qq.com/sns/userinfo?access_token="
									+ accessToken + "&openid=" + openId);
					URLConnection conn = userUrl.openConnection();
					br = new BufferedReader(new InputStreamReader(
							conn.getInputStream()));
					String tmpStr = br.readLine();
					str = tmpStr;
					if ((tmpStr = br.readLine()) != null) {
						str += tmpStr;
					}
				} catch (MalformedURLException e) {
					e.printStackTrace();
				} catch (IOException e) {
					e.printStackTrace();
				}
				Log.i("tag", str);

			};
		}.start();
	}
}

onReq,onResp never get invoked