Android中使用Kotlin实现Google、FaceBook、Twitter登录的封装

 
 

最近由于项目做国际化,所以需要接入Google、FaceBook、Twitter等各种第三方登录的Api,于是查找官网资料,申请各种key和密钥,最后成功完成了这三个第三方登录Api的功能,但是由于很多地方需要调用,前期做得很粗糙,发现调用很麻烦,于是做了一次封装,总结一下,关于资料的申请这里就不说了,本博客采用的是Kotlin代码,不熟悉Kotlin的同学可以学习一下,直接上封装的代码:

一、接入Google、Facebook、Twitter之前需要安装Google服务,所以首先需要判断用户是否安装Google服务插件,这里说特别说明一下,一定要安装官网的正版Google服务插件,要不然会出现各种问题,这里就不展开了.检测用户是否安装Google服务的方法如下:

/**
 * 检查用户是否安装Google Play 服务
 */

open fun onCheckGooglePlayService(activity:Activity,code:Int){

// 验证是否已在此设备上安装并启用Google Play服务,以及此设备上安装的旧版本是否为此客户端所需的版本
GoogleApiAvailability.getInstance().makeGooglePlayServicesAvailable(activity)
/**
 * 通过isUserResolvableError来确定是否可以通过用户操作解决错误
 */
if (GoogleApiAvailability.getInstance().isUserResolvableError(code)) {
    GoogleApiAvailability.getInstance().getErrorDialog(activity, code, 200).show()
}

}

fun checkGooglePlayServiceExist(activity: Activity): Int {
    return GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(activity)
}

二.Google登录工具类的封装:

/**
 * @author: njb
 * @date: 2021/5/8 14:37
 * @desc: Google登录工具类
 */
open class GoogleLoginUtils(private val activity: Activity, var listener: GoogleSignListener) {
    var requestCode = 10
    private var mGoogleSignInClient: GoogleSignInClient? = null
    private var googleSignListener: GoogleSignListener? = null

    init {
        //初始化谷歌登录服务
        val gso = GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
                .requestEmail()
                .build()
        mGoogleSignInClient = GoogleSignIn.getClient(activity, gso)
    }

    /**
     * 登录
     */
    open fun signIn() {
        val signInIntent: Intent = mGoogleSignInClient!!.signInIntent
        activity.startActivityForResult(signInIntent, requestCode)
    }

    /**
     * 退出登录
     */
    open fun signOut() {
    }


    fun handleSignInResult(completedTask: Task<GoogleSignInAccount>) {
        try {
            val account: GoogleSignInAccount? = completedTask.getResult(ApiException::class.java)
            val status: Task<GoogleSignInAccount> = completedTask
            if (status.isSuccessful) {
                if (account != null) {
                    //ToastUtils.showShort(activity.getString(R.string.login_success))
                    googleSignListener?.googleLoginSuccess(account)
                    LogUtils.d("account" + account?.account)
                } else {
                    googleSignListener?.googleLoginFail(activity.getString(R.string.login_failed))
                }
            }
        } catch (e: ApiException) {
            LogUtils.d("signInResult:failed code=" + e.statusCode)
        }
    }


    open fun setGoogleSignListener(googleSignListener: GoogleSignListener?) {
        this.googleSignListener = googleSignListener
    }

    interface GoogleSignListener {
        fun googleLoginSuccess(account: GoogleSignInAccount)
        fun googleLoginFail(message: String?)
        fun googleLogoutSuccess()
        fun googleLogoutFail()
    }

    /**
     * 检查 Google Play 服务
     */
    open fun onCheckGooglePlayServices(activity: Activity, code: Int) {
        // 验证是否已在此设备上安装并启用Google Play服务,以及此设备上安装的旧版本是否为此客户端所需的版本
        GoogleApiAvailability.getInstance().makeGooglePlayServicesAvailable(activity)
        /**
         * 通过isUserResolvableError来确定是否可以通过用户操作解决错误
         */
        if (GoogleApiAvailability.getInstance().isUserResolvableError(code)) {
            GoogleApiAvailability.getInstance().getErrorDialog(activity, code, 200).show()
        }
    }

    fun checkGooglePlayServiceExist(activity: Activity): Int {
        return GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(activity)
    }
}

三、FaceBook登录工具类的封装:

/**
 *@author: njb
 *@date:   2021/5/8 14:26
 *@desc:   FaceBook登录工具类
 */
open class FacebookLoginUtils(private val activity: Activity) {
    private var loginManager: LoginManager? = null
    private val permissions: List<String>
    private var callbackManager: CallbackManager? = null
    private var requestSuccessCode = 2896
    private var requestCancelCode = 2897
    private var requestFailedCode = 2898
    private var mFaceBookLoginListener: FaceBookLoginListener? = null
    var infoBean: FaceLoginInfoBean? = null

    init {
        //初始化facebook登录服务
        callbackManager = CallbackManager.Factory.create()
        getLoginManager().registerCallback(callbackManager, object : FacebookCallback<LoginResult> {
            override fun onSuccess(result: LoginResult?) {
                activity.setResult(requestSuccessCode)
                getLoginInfo(result?.accessToken)
            }

            override fun onCancel() {
                activity.setResult(requestCancelCode)
                mFaceBookLoginListener?.onLoginCancel(activity.getString(R.string.login_cancel))
            }

            override fun onError(error: FacebookException?) {
                activity.setResult(requestFailedCode)
                mFaceBookLoginListener?.onLoginFail(error?.message)
                LogUtils.d(error?.message)
            }
        })
        permissions = listOf("email", "user_likes", "user_status", "user_photos", "user_birthday", "public_profile", "user_friends");
    }

    /**
     * 登陆
     */
    fun login() {
        getLoginManager().logIn(activity, permissions)
    }

    /**
     * 退出登陆
     */
    fun loginOut() {
        var logout = activity.resources.getString(R.string.com_facebook_loginview_log_out_action)
        var cancel = activity.resources.getString(R.string.com_facebook_loginview_cancel_action)
        val message: String
        val profile: Profile = Profile.getCurrentProfile()
        message = if (profile?.name != null) {
            java.lang.String.format(
                    activity.resources.getString(
                            R.string.com_facebook_loginview_logged_in_as),
                    profile.name)
        } else {
            activity.resources.getString(
                    R.string.com_facebook_loginview_logged_in_using_facebook)
        }
        val builder: AlertDialog.Builder = AlertDialog.Builder(activity)
        builder.setMessage(message)
                .setCancelable(true)
                .setPositiveButton(logout) { _, _ ->
                    getLoginManager().logOut()
                }
                .setNegativeButton(cancel, null)
        builder.create().show()
    }

    /**
     * 获取登录信息
     * @param accessToken
     */
    private fun getLoginInfo(accessToken: AccessToken?) {
        var request = GraphRequest.newMeRequest(accessToken, object : GraphRequest.GraphJSONObjectCallback {
            override fun onCompleted(`object`: JSONObject?, response: GraphResponse?) {

                `object`?.run {
                    val id = optString("id") //比如:13813813888
                    val name = optString("name") //比如:Zhang San
                    val gender = optString("gender") //性别:比如 male (男)  female (女)
                    val email = optString("email") //邮箱:比如:[email protected]
                    //获取用户头像
                    val object_pic = optJSONObject("picture")
                    val object_data = object_pic.optJSONObject("data")
                    val photo = object_data.optString("url")
                    //获取地域信息
                    val locale = optString("locale") //zh_CN 代表中文简体
                    infoBean = FaceLoginInfoBean()
                    infoBean?.id = id
                    infoBean?.name = name
                    infoBean?.email = email
                    infoBean?.gender = gender
                    infoBean?.picture = object_pic.toString()
                    infoBean?.data = object_data.toString()
                    infoBean?.photo = photo
                    infoBean?.locale = locale
                    infoBean?.let { mFaceBookLoginListener?.onLoginSuccess(it) }
                }
            }
        })
        val parameters = Bundle()
        parameters.putString("fields", "id,name,link,gender,birthday,email,picture,locale,updated_time,timezone,age_range,first_name,last_name")
        request.parameters = parameters
        request.executeAsync()
    }

    fun getCallbackManager(): CallbackManager? {
        return callbackManager
    }

    /**
     * 获取loginMananger
     * @return
     */
    private fun getLoginManager(): LoginManager {
        if (loginManager == null) {
            loginManager = LoginManager.getInstance();
        }
        return loginManager!!
    }

    companion object {
        /**
         * 是否处在登陆状态
         */
        fun isLogin(): Boolean {
            val accessToken = AccessToken.getCurrentAccessToken()
            val isLoggedIn = accessToken != null && !accessToken.isExpired
            return isLogin()
        }
    }

    open fun setFaceBookLoginListener(faceBookLoginListener: FaceBookLoginListener?) {
        this.mFaceBookLoginListener = faceBookLoginListener
    }

    interface FaceBookLoginListener {
        fun onLoginSuccess(infoBean: FaceLoginInfoBean)
        fun onLoginCancel(message: String?)
        fun onLoginFail(message: String?)
        fun onLogoutSuccess()
        fun onLogoutFail()
    }
}

四、Twitter登录工具类的封装:

**
 * @author: njb
 * @date: 2021/5/14 10:08
 * @desc: Twitter登录工具类
 */
class TwitterLoginUtils(activity: Activity) {
        private var activityRef: WeakReference<Activity>? = null
        var callback: Callback<TwitterSession>? = null

    @Volatile
    var authClient: TwitterAuthClient? = null

    companion object {
        const val ERROR_MSG_NO_ACTIVITY = ("TwitterLoginButton requires an activity."
                + " Override getActivity to provide the activity for this button.")
    }

    init {
        activityRef = WeakReference(activity)
        TwitterCore.getInstance()
    }

    fun setOnLoginByTwitterClick(callback: Callback<TwitterSession>?) {
        this.callback = callback
        checkCallback(callback)
        checkActivity(activityRef?.get())
        twitterAuthClient!!.authorize(activityRef?.get(), callback)
    }

    private val twitterAuthClient: TwitterAuthClient?
        get() {
            if (authClient == null) {
                synchronized(TwitterLoginButton::class.java) {
                    if (authClient == null) {
                        authClient = TwitterAuthClient()
                    }
                }
            }
            return authClient
        }

    private fun checkCallback(callback: Callback<*>?) {
        if (callback == null) {
            CommonUtils.logOrThrowIllegalStateException(TwitterCore.TAG,
                    "Callback must not be null, did you call setCallback?")
        }
    }

    private fun checkActivity(activity: Activity?) {
        if (activity == null || activity.isFinishing) {
            CommonUtils.logOrThrowIllegalStateException(TwitterCore.TAG, ERROR_MSG_NO_ACTIVITY)
        }
    }

    /**
     * Call this method when [Activity]
     * is called to complete the authorization flow.
     *
     * @param requestCode the request code used for SSO
     * @param resultCode  the result code returned by the SSO activity
     * @param data        the result data returned by the SSO activity
     */
    fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
        if (requestCode == twitterAuthClient!!.requestCode) {
            twitterAuthClient!!.onActivityResult(requestCode, resultCode, data)
        }
    }
}

 五、具体使用代码如下:

5.1------使用Google登录时需要先判断用户是否安装Google服务,

 5.2------使用具体步骤如下:

 
 

 a. 先声明工具类

private var mGoogleLogin: GoogleLoginUtils? = null
private var mFacebookLoginUtils: FacebookLoginUtils? = null

 b.Google和FaceBook工具类的初始化

private fun initGoogle() {
    mGoogleLogin = GoogleLoginUtils(this, this)
    mGoogleLogin?.setGoogleSignListener(this)
}

private fun initFaceBook() {
    mFacebookLoginUtils = FacebookLoginUtils(this)
    mFacebookLoginUtils?.setFaceBookLoginListener(this)
}

c.点击Google和FaceBook两个按钮分别调用不同的方法

R.id.iv_google -> {//先检查是否安装Google服务
    checkGoogleService()
}
R.id.iv_face_book -> {//检查是否安装FaceBook客户端
    if (!CheckApkExist.checkFacebookExist(this)) {
        ToastUtils.showShort(getString(com.jiaoday.base.R.string.please_install_face_book_first))
    } else {
        mFacebookLoginUtils?.login()
    }
}

private fun checkGoogleService() {
    val code = mGoogleLogin?.checkGooglePlayServiceExist(this)
    if (code == ConnectionResult.SUCCESS) {
        mGoogleLogin?.signIn()
    } else {
        code?.let { mGoogleLogin?.onCheckGooglePlayServices(this, it) }
    }
}

d.Google和FaceBook登录回调,在最开始继承一下登录回调监听方法:

 GoogleLoginUtils.GoogleSignListener, FacebookLoginUtils.FaceBookLoginListener


e.登录成功、失败、取消登录后的回调

override fun googleLoginSuccess(account: GoogleSignInAccount) {
    //google登录成功后返回的信息
    if (account.email != null) {
        thirdAccountLogin(account.email.toString(), account.email.toString(), "4")
    }
}

override fun googleLoginFail(message: String?) {
    ToastUtils.showShort(message)
}

override fun googleLogoutSuccess() {
}

override fun googleLogoutFail() {
}

override fun onLoginSuccess(infoBean: FaceLoginInfoBean) {

//faceBook登录成功后返回的信息

if (infoBean.email.isNotEmpty()) {

thirdAccountLogin(infoBean.email, infoBean.email, "1") }

}

override fun onLoginCancel(message: String?) { ToastUtils.showShort(message) }

override fun onLoginFail(message: String?) { ToastUtils.showShort(message) }

override fun onLogoutSuccess() { }

override fun onLogoutFail() { }

 f.onActivityResult回调结果:

override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
    super.onActivityResult(requestCode, resultCode, data)
    if (requestCode == mGoogleLogin?.requestCode) {
        val task: Task<GoogleSignInAccount> = GoogleSignIn.getSignedInAccountFromIntent(data)
        mGoogleLogin?.handleSignInResult(task)
    }
    mFacebookLoginUtils?.getCallbackManager()?.onActivityResult(requestCode, resultCode, data)
}

 六、登录成功后处理自己的登录逻辑,调用第三方登录接口,这里Google登录使用的是最新的api,如果找不到导包大家可以修改版本,后面会给出源码地址,这里只是简单说出使用步骤,这里基本上三种登录都已经在项目中成功使用,大家可以尝试一下,如有问题,及时提出,我会修改.

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转载自blog.csdn.net/u012556114/article/details/120922501