第三方登录

private static final String TAG = "MainActivity";private static final String APP_ID = "1105602574";//官方获取的APPIDprivate Tencent mTencent;private BaseUiListener mIUiListener;private UserInfo mUserInfo;@Overrideprotected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    //传入参数APPID和全局Context上下文    mTencent = Tencent.createInstance(APP_ID,MainActivity.this.getApplicationContext());  }public void buttonLogin(View v){    /**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(MainActivity.this,"all", mIUiListener);}/** * 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 {    @Override    public void onComplete(Object response) {        Toast.makeText(MainActivity.this, "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(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(MainActivity.this, "授权失败", Toast.LENGTH_SHORT).show();    }    @Override    public void onCancel() {        Toast.makeText(MainActivity.this, "授权取消", Toast.LENGTH_SHORT).show();    }}/** * 在调用Login的Activity或者Fragment中重写onActivityResult方法 * @param requestCode * @param resultCode * @param data */@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {    if(requestCode == Constants.REQUEST_LOGIN){        Tencent.onActivityResultData(requestCode,resultCode,data,mIUiListener);    }    super.onActivityResult(requestCode, resultCode, data);}