Android_第三方登录

现在的第三方登录很普遍如QQ，微博,微信，本篇文章实现了QQ第三方登录

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 

拷贝到libs文件中,还需要在Gradle中添加

compile files('libs/open_sdk_r5886_lite.jar')
compile fileTree(include: ['*.jar'], dir: 'libs')

二:清单文件,加权限,注册SDKActivity

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="activity.example.com.qqloain">
    <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>

三:布局写一个按钮,点击实现第三方登录

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent" tools:context="activity.example.com.qqloain.MainActivity">

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="第三方登录"
        android:background="#00d0ff"
        android:layout_marginTop="50dp"
        android:id="@+id/btn_Login" />

</RelativeLayout>

四:MainActivity中的核心代码

package activity.example.com.qqloain;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
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 Button btn_Login;
    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());

        btn_Login = (Button)findViewById(R.id.btn_Login);
        btn_Login.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(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();

        }

    }

    @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);
    }
}