Facebook的Andr​​oid SDK中的问题 [英] Facebook Android SDK problems

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本文介绍了Facebook的Andr​​oid SDK中的问题的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我下面的教程我这个网站上找到的http://www.helloandroid.com/tutorials/using-facebook-sdk-android-development-part-2当我插入了2套code段在本教程指定的类，我得到4 SDK的Facebook相关的错误。我插至code段与错误波纹管加粗/出演。

没有人有任何想法，我应该如何解决这些错误？

下面是错误消息，我得到当我将鼠标放在错误，依次是：

1.onCreate（捆绑savedInstanceState）：主要类型的方法的onCreate（捆绑）必须覆盖或实现超法


  1. btnLogin.setOnClickListener（新OnClickListener（）：OnClickListener不能被解析为一个类型


  2. LoginDialogListener：类型FBConnectionActivity.LoginDialogListener必须实现继承的抽象方法Facebook.DialogListener.onComplete（捆绑）


  3. 的onComplete（束值）：类型FBConnectionActivity.LoginDialogListener的方法的onComplete（包）必须覆盖或实现超法


段1（2个错误）：
在这部分的错误是在OnCreate中和onclicklistener 

 包com.outfit.first;进口android.widget.Button;
进口android.widget.ProgressBar;
进口android.widget.TextView;公共类主要扩展FBConnectionActivity {
    私人TextView的txtUserName;
    私人进度pbLogin;
    私人按钮btnLogin;@覆盖
公共无效**的onCreate（捆绑savedInstanceState）** {
    super.onCreate（savedInstanceState）;
    的setContentView（R.layout.main）;    txtUserName =（的TextView）findViewById（R.id.textFacebook）;
    pbLogin =（进度）findViewById（R.id.progressLogin）;
    btnLogin =（按钮）findViewById（R.id.buttonLogin）;
            btnLogin.setOnClickListener（新** ** OnClickListener（）{
                    @覆盖
                    公共无效的onClick（查看为arg0）{
                            pbLogin.setVisibility（ProgressBar.VISIBLE）;
                            setConnection（）;
                            的getID（txtUserName，pbLogin）;
                    }
            }）;
}
}

2段（2个错误）：在这部分的错误是在LoginDialogListener类和类中的onComplete（捆绑值）

 包com.outfit.first;进口com.facebook.android.AsyncFacebookRunner;
进口com.facebook.android.Facebook;
进口android.app.Activity;
进口android.content.Context;
进口android.content.Shared preferences;
。进口的Andr​​oid preference preferenceManager。
进口android.util.Log;
进口android.widget.ProgressBar;
进口android.widget.TextView;公共抽象类FBConnectionActivity延伸活动{
    公共静态最后弦乐TAG =脸谱;
    私人facebook mFacebook;
    公共静态最后弦乐APP_ID =136907069717004;
    私人AsyncFacebookRunner mAsyncRunner;
    私有静态最后的String [] = PERMS新的String [] {read_stream};
    私人共享preferences共享preFS;
    私人语境mContext;    私人TextView的用户名;
    私人进度PB;    公共无效setConnection（）{
            mContext =这一点;
            mFacebook =新的Facebook（APP_ID）;
            mAsyncRunner =新AsyncFacebookRunner（mFacebook）;
    }    公共无效的getID（TextView的txtUserName，进度progbar）{
            用户名= txtUserName;
            PB = progbar;
            如果（isSession（））{
                    Log.d（TAGsessionValid）;
                    。mAsyncRunner ** **的要求（我，新IDRequestListener（））;
            }其他{
                    //没有登录，所以重新登录
                    Log.d（TAG，sessionNOTValid，重新登录）;
                    。mFacebook **授权**（在此，烫发，新LoginDialogListener（））;
            }
    }    公共布尔isSession（）{
            共享preFS = preferenceManager.getDefaultShared preferences（mContext）;
            串的access_token =共享prefs.getString（的access_token，×）;
            龙期满=共享prefs.getLong（access_expires，-1）;
            Log.d（TAG，的access_token）;            如果（ACCESS_TOKEN = NULL＆放大器;！＆安培;！到期= -1）{
                    mFacebook.setAccessToken（的access_token）;
                    mFacebook.setAccessExpires（到期）;
            }
            返回mFacebook.isSessionValid（）;
    }    私有类** ** LoginDialogListener实现DialogListener {            @覆盖
            公共无效**的onComplete（束值）** {
                    Log.d（TAGLoginONComplete）;
                    字符串标记= mFacebook.getAccessToken（）;
                    长token_expires = mFacebook.getAccessExpires（）;
                    Log.d（TAG的accessToken：+令牌）;
                    Log.d（TAG，AccessExpires：+ token_expires）;
                    共享preFS = preferenceManager
                                    .getDefaultShared preferences（mContext）;
                    共享prefs.edit（）。putLong（access_expires，token_expires）
                                    。承诺（）;
                    共享prefs.edit（）putString（的access_token令牌）.commit（）。
                    mAsyncRunner.request（我，新IDRequestListener（））;
            }            @覆盖
            公共无效onFacebookError（FacebookError E）{
                    Log.d（TAGFacebookError：+ e.getMessage（））;
            }            @覆盖
            公共无效onerror的（DialogError E）{
                    Log.d（TAG，错误：+ e.getMessage（））;
            }            @覆盖
            公共无效onCancel（）{
                    Log.d（TAGOnCancel）;
            }
    }    私有类IDRequestListener实现RequestListener {            @覆盖
            公共无效的onComplete（字符串响应，对象的状态）{
                    尝试{
                            Log.d（TAGIDRequestONComplete）;
                            Log.d（TAG，回应：+ response.toString（））;
                            JSONObject的JSON = Util.parseJson（响应）;                            最后弦乐ID = json.getString（ID）;
                            最终的字符串名称= json.getString（名称）;
                            FBConnectionActivity.this.runOnUiThread（新的Runnable（）{
                                    公共无效的run（）{
                                            username.setText（欢迎+姓名+\\ n ID：+身份证）;
                                            pb.setVisibility（ProgressBar.GONE）;                                    }
                            }）;
                    }赶上（JSONException E）{
                            Log.d（TAGJSONException：+ e.getMessage（））;
                    }赶上（FacebookError E）{
                            Log.d（TAGFacebookError：+ e.getMessage（））;
                    }
            }            @覆盖
            公共无效onIOException（IOException异常即对象的状态）{
                    Log.d（TAGIOException异常：+ e.getMessage（））;
            }            @覆盖
            公共无效onFileNotFoundException（FileNotFoundException异常E，
                            对象的状态）{
                    Log.d（TAGFileNotFoundException异常：+ e.getMessage（））;
            }            @覆盖
            公共无效onMalformedURLException（MalformedURLException的E，
                            对象的状态）{
                    Log.d（TAGMalformedURLException的：+ e.getMessage（））;
            }            @覆盖
            公共无效onFacebookError（FacebookError即对象的状态）{
                    Log.d（TAGFacebookError：+ e.getMessage（））;
            }    }    @覆盖
    保护无效的onActivityResult（INT申请code，INT结果code，意图数据）{
            mFacebook.authorizeCallback（要求code，结果code，数据）;
    }
}


解决方案

按Ctrl-Shift-O组合，一切都应该工作（它为我ATLEAST）

需要先进口活动：

 进口android.app.Activity;
进口android.os.Bundle;
进口android.view.View;
进口android.view.View.OnClickListener;
进口android.widget.Button;
进口android.widget.ProgressBar;
进口android.widget.TextView;

和第二：

 进口java.io.FileNotFoundException;
进口java.io.IOException异常;
进口java.net.MalformedURLException;进口org.json.JSONException;
进口org.json.JSONObject;进口android.app.Activity;
进口android.content.Context;
进口android.content.Intent;
进口android.content.Shared preferences;
进口android.os.Bundle;
。进口的Andr​​oid preference preferenceManager。
进口android.util.Log;
进口android.widget.ProgressBar;
进口android.widget.TextView;进口com.facebook.android.AsyncFacebookRunner;
进口com.facebook.android.AsyncFacebookRunner.RequestListener;
进口com.facebook.android.DialogError;
进口com.facebook.android.Facebook;
进口com.facebook.android.Facebook.DialogListener;
进口com.facebook.android.FacebookError;
进口com.facebook.android.Util;

I'm following a tutorial I found on this website http://www.helloandroid.com/tutorials/using-facebook-sdk-android-development-part-2 and when I inserted the 2 sets of code segments in the classes the tutorial specifies I get 4 facebook sdk related errors. I inserted to the code segments bellow with the errors bold/starred.

Does anyone have any idea how I can fix these errors?

Here are the error messages i get when i mouse over the errors, in order:

1.onCreate(Bundle savedInstanceState) : The method onCreate(Bundle) of type main must override or implement a supertype method

  1. btnLogin.setOnClickListener(new OnClickListener() : OnClickListener cannot be resolved to a type

  2. LoginDialogListener : The type FBConnectionActivity.LoginDialogListener must implement the inherited abstract method Facebook.DialogListener.onComplete(Bundle)

  3. onComplete(Bundle values) : The method onComplete(Bundle) of type FBConnectionActivity.LoginDialogListener must override or implement a supertype method

Segment 1 (2 errors) : In this part the errors are at the oncreate and the onclicklistener

  package com.outfit.first;

import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.TextView;

public class main extends FBConnectionActivity {
    private TextView txtUserName;
    private ProgressBar pbLogin;
    private Button btnLogin;

@Override
public void **onCreate(Bundle savedInstanceState)** {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    txtUserName = (TextView) findViewById(R.id.textFacebook);
    pbLogin = (ProgressBar) findViewById(R.id.progressLogin);
    btnLogin = (Button) findViewById(R.id.buttonLogin);
            btnLogin.setOnClickListener(new **OnClickListener**() {
                    @Override
                    public void onClick(View arg0) {
                            pbLogin.setVisibility(ProgressBar.VISIBLE);
                            setConnection();
                            getID(txtUserName, pbLogin);
                    }
            });
}
}

Segment 2 (2 errors): In this part the errors are at the LoginDialogListener class and the onComplete(Bundle values) inside that class.

package com.outfit.first;

import com.facebook.android.AsyncFacebookRunner;
import com.facebook.android.Facebook;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import android.util.Log;
import android.widget.ProgressBar;
import android.widget.TextView;

public abstract class FBConnectionActivity extends Activity {
    public static final String TAG = "FACEBOOK";
    private Facebook mFacebook;
    public static final String APP_ID = "136907069717004";
    private AsyncFacebookRunner mAsyncRunner;
    private static final String[] PERMS = new String[] { "read_stream" };
    private SharedPreferences sharedPrefs;
    private Context mContext;

    private TextView username;
    private ProgressBar pb;

    public void setConnection() {
            mContext = this;
            mFacebook = new Facebook(APP_ID);
            mAsyncRunner = new AsyncFacebookRunner(mFacebook);
    }

    public void getID(TextView txtUserName, ProgressBar progbar) {
            username = txtUserName;
            pb = progbar;
            if (isSession()) {
                    Log.d(TAG, "sessionValid");
                    mAsyncRunner.**request**("me", new IDRequestListener());
            } else {
                    // no logged in, so relogin
                    Log.d(TAG, "sessionNOTValid, relogin");
                    mFacebook.**authorize**(this, PERMS, new LoginDialogListener());
            }
    }

    public boolean isSession() {
            sharedPrefs = PreferenceManager.getDefaultSharedPreferences(mContext);
            String access_token = sharedPrefs.getString("access_token", "x");
            Long expires = sharedPrefs.getLong("access_expires", -1);
            Log.d(TAG, access_token);

            if (access_token != null && expires != -1) {
                    mFacebook.setAccessToken(access_token);
                    mFacebook.setAccessExpires(expires);
            }
            return mFacebook.isSessionValid();
    }

    private class **LoginDialogListener** implements DialogListener {

            @Override
            public void **onComplete(Bundle values)** {
                    Log.d(TAG, "LoginONComplete");
                    String token = mFacebook.getAccessToken();
                    long token_expires = mFacebook.getAccessExpires();
                    Log.d(TAG, "AccessToken: " + token);
                    Log.d(TAG, "AccessExpires: " + token_expires);
                    sharedPrefs = PreferenceManager
                                    .getDefaultSharedPreferences(mContext);
                    sharedPrefs.edit().putLong("access_expires", token_expires)
                                    .commit();
                    sharedPrefs.edit().putString("access_token", token).commit();
                    mAsyncRunner.request("me", new IDRequestListener());
            }

            @Override
            public void onFacebookError(FacebookError e) {
                    Log.d(TAG, "FacebookError: " + e.getMessage());
            }

            @Override
            public void onError(DialogError e) {
                    Log.d(TAG, "Error: " + e.getMessage());
            }

            @Override
            public void onCancel() {
                    Log.d(TAG, "OnCancel");
            }
    }

    private class IDRequestListener implements RequestListener {

            @Override
            public void onComplete(String response, Object state) {
                    try {
                            Log.d(TAG, "IDRequestONComplete";);
                            Log.d(TAG, "Response: " + response.toString());
                            JSONObject json = Util.parseJson(response);

                            final String id = json.getString("id");
                            final String name = json.getString("name");
                            FBConnectionActivity.this.runOnUiThread(new Runnable() {
                                    public void run() {
                                            username.setText("Welcome: " + name+"\n ID: "+id);
                                            pb.setVisibility(ProgressBar.GONE);

                                    }
                            });
                    } catch (JSONException e) {
                            Log.d(TAG, "JSONException: " + e.getMessage());
                    } catch (FacebookError e) {
                            Log.d(TAG, "FacebookError: " + e.getMessage());
                    }
            }

            @Override
            public void onIOException(IOException e, Object state) {
                    Log.d(TAG, "IOException: " + e.getMessage());
            }

            @Override
            public void onFileNotFoundException(FileNotFoundException e,
                            Object state) {
                    Log.d(TAG, "FileNotFoundException: " + e.getMessage());
            }

            @Override
            public void onMalformedURLException(MalformedURLException e,
                            Object state) {
                    Log.d(TAG, "MalformedURLException: " + e.getMessage());
            }

            @Override
            public void onFacebookError(FacebookError e, Object state) {
                    Log.d(TAG, "FacebookError: " + e.getMessage());
            }

    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
            mFacebook.authorizeCallback(requestCode, resultCode, data);
    }
}

解决方案

Ctrl-Shift-o and everything should work(it does for me atleast)

Imports needed for first activity:

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.TextView;

And for the second :

import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.MalformedURLException;

import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
import android.widget.ProgressBar;
import android.widget.TextView;

import com.facebook.android.AsyncFacebookRunner;
import com.facebook.android.AsyncFacebookRunner.RequestListener;
import com.facebook.android.DialogError;
import com.facebook.android.Facebook;
import com.facebook.android.Facebook.DialogListener;
import com.facebook.android.FacebookError;
import com.facebook.android.Util;

这篇关于Facebook的Andr​​oid SDK中的问题的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！

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