实现第三方登录

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一:想要实现QQ的跳转需要到 http://wiki.open.qq.com/wiki/mobile/SDK%E4%B8%8B%E8%BD%BD 下载SDKJar包,然后把刚才下载的SDK解压将jar文件夹中的jar包拷贝到项目libs中
<!--必须加的权限--><uses-permission android:name="android.permission.INTERNET" /><uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /><!-- 注册SDKActivity --><activity    android:name="com.tencent.tauth.AuthActivity"    android:launchMode="singleTask"    android:noHistory="true" >    <intent-filter>        <action android:name="android.intent.action.VIEW" />        <category android:name="android.intent.category.DEFAULT" />        <category android:name="android.intent.category.BROWSABLE" />        <data android:scheme="tencent1105602574" /> <!-- 开放平台获取的APPID -->    </intent-filter></activity><activity android:name="com.tencent.connect.common.AssistActivity"    android:theme="@android:style/Theme.Translucent.NoTitleBar"    android:screenOrientation="portrait"/>
//Activity代码 package freagment;import android.content.Intent;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.Button;import android.widget.TextView;import android.widget.Toast;import com.tencent.connect.UserInfo;import com.tencent.connect.auth.QQToken;import com.tencent.connect.common.Constants;import com.tencent.tauth.IUiListener;import com.tencent.tauth.Tencent;import com.tencent.tauth.UiError;import org.json.JSONException;import org.json.JSONObject;import bwei.com.erzhou2.R;import static android.content.ContentValues.TAG;/** *  */public class UserCenter extends Fragment {    private View view;    private static final String APP_ID = "1105602574";//官方获取的APPID    private Tencent mTencent;    private Button btn_qq;    private BaseUiListener mIUiListener;    private TextView back;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {         view = inflater.inflate(R.layout.layout_usercenter, container, false);        back =(TextView)view.findViewById(R.id.back);        back.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                getActivity().finish();            }        });        //传入参数APPID和全局Context上下文        mTencent = Tencent.createInstance(APP_ID,getActivity().getApplicationContext());        btn_qq =(Button)view.findViewById(R.id.btn_qq);        btn_qq.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                /**通过这句代码，SDK实现了QQ的登录，这个方法有三个参数，第一个参数是context上下文，第二个参数SCOPO 是一个String类型的字符串，表示一些权限                 官方文档中的说明：应用需要获得哪些API的权限，由“，”分隔。例如：SCOPE = “get_user_info,add_t”；所有权限用“all”                 第三个参数，是一个事件监听器，IUiListener接口的实例，这里用的是该接口的实现类 */                mIUiListener = new BaseUiListener();                //all表示获取所有权限                mTencent.login(getActivity(), "all", mIUiListener);            }        });        return view;    }    /**     * 自定义监听器实现IUiListener接口后，需要实现的3个方法     * onComplete完成 onError错误 onCancel取消     */    private class BaseUiListener implements IUiListener {        private UserInfo mUserInfo;        @Override        public void onComplete(Object response) {            Toast.makeText(getActivity(), "授权成功", Toast.LENGTH_SHORT).show();            Log.e(TAG, "response:" + response);            JSONObject obj = (JSONObject) response;            try {                String openID = obj.getString("openid");                String accessToken = obj.getString("access_token");                String expires = obj.getString("expires_in");                mTencent.setOpenId(openID);                mTencent.setAccessToken(accessToken,expires);                QQToken qqToken = mTencent.getQQToken();                mUserInfo = new UserInfo(getActivity().getApplicationContext(),qqToken);                mUserInfo.getUserInfo(new IUiListener() {                    @Override                    public void onComplete(Object response) {                        Log.e(TAG,"登录成功"+response.toString());                    }                    @Override                    public void onError(UiError uiError) {                        Log.e(TAG,"登录失败"+uiError.toString());                    }                    @Override                    public void onCancel() {                        Log.e(TAG,"登录取消");                    }                });            } catch (JSONException e) {                e.printStackTrace();            }        }        @Override        public void onError(UiError uiError) {            Toast.makeText(getActivity(), "授权失败", Toast.LENGTH_SHORT).show();        }        @Override        public void onCancel() {            Toast.makeText(getActivity(), "授权取消", Toast.LENGTH_SHORT).show();        }    }    @Override    public void onActivityResult(int requestCode, int resultCode, Intent data) {        if(requestCode == Constants.REQUEST_LOGIN){            Tencent.onActivityResultData(requestCode,resultCode,data, mIUiListener);        }        super.onActivityResult(requestCode, resultCode, data);    }}
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