Android Studio实现第三方QQ登录操作代码

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.tangxiaoying.qq2"> <!-- QQ登录授权所需权限 --> <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> <application  android:allowBackup="true"  android:icon="@mipmap/ic_launcher"  android:label="@string/app_name"  android:roundIcon="@mipmap/ic_launcher_round"  android:supportsRtl="true"  android:theme="@style/AppTheme">  <activity android:name=".MainActivity">   <intent-filter>    <action android:name="android.intent.action.MAIN" />    <category android:name="android.intent.category.LAUNCHER" />   </intent-filter>  </activity>  <!-- 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"/> </application></manifest>

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" android:layout_width="match_parent" android:layout_height="match_parent"  > <Button  android:layout_width="match_parent"  android:layout_height="wrap_content"  android:text="点击QQ登录"  android:onClick="buttonLogin"  android:layout_centerInParent="true"  android:textSize="16sp"  android:textColor="#f4736e"/></RelativeLayout>

import android.content.Intent;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.util.Log;import android.view.View;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;public class MainActivity extends AppCompatActivity { private static final String TAG = "MainActivity"; private static final String APP_ID = "1105602574";//官方获取的APPID private Tencent mTencent; private BaseUiListener mIUiListener; private UserInfo mUserInfo; @Override protected 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  */ @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) {  if(requestCode == Constants.REQUEST_LOGIN){   Tencent.onActivityResultData(requestCode,resultCode,data,mIUiListener);  }  super.onActivityResult(requestCode, resultCode, data); }}