Facebook Android SDK问题
我正在遵循我在这个网站上找到的教程,当我在教程指定的类中插入2组代码段时,我得到了4个与facebook sdk相关的错误。我在下面的代码段中插入了粗体/星号错误 有人知道我如何修复这些错误吗 以下是我将鼠标悬停在错误上时收到的错误消息,顺序如下: 1.onCreate(Bundle savedInstanceState):main类型的onCreate(Bundle)方法必须重写或实现超类型方法Facebook Android SDK问题,android,facebook,Android,Facebook,我正在遵循我在这个网站上找到的教程,当我在教程指定的类中插入2组代码段时,我得到了4个与facebook sdk相关的错误。我在下面的代码段中插入了粗体/星号错误 有人知道我如何修复这些错误吗 以下是我将鼠标悬停在错误上时收到的错误消息,顺序如下: 1.onCreate(Bundle savedInstanceState):main类型的onCreate(Bundle)方法必须重写或实现超类型方法 btnLogin.setOnClickListener(新OnClickListener():On
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);
}
});
}
}
段2(2个错误):在本部分中,错误位于LoginDialGlistener类和该类中的onComplete(捆绑值)
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);
}
}
Ctrl-Shift-o,一切正常(至少对我来说是这样) 第一个活动所需的导入:
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;
第二点:
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;
你能展示一下logcat,让我们看看错误是怎么说的吗?嗯,当然。虽然我从来没有试过运行这个程序,但我在编写代码的时候在eclipse中看到了错误。哦,当你鼠标悬停在代码上时,它会说什么?我在原始问题的顶部添加了鼠标悬停消息。对于按钮,你应该导入android.view.view.OnClickListener;事实上,尝试按ctrl-shift键或点击其他键,这真是太棒了!这是我在这里得到的最快的修复。那么,当我鼠标悬停错误时,为什么这些导入没有显示出来呢?嘿,还有一个问题,我希望你不介意。当我将连接活动添加到清单时,我得到的是错误,“在此行找到多个批注:-元素类型“activity”后面必须跟属性规范“>”或“/>”-属性“/”没有值-属性“”没有值“删除中间的分号-只与SaleBTW分开,因为我有问题之前,我喜欢以这种方式添加活动:点击AndroidManifest.xml,你应该带到XML文件。在文件下面你应该看到标签(清单,应用程序,权限,…)。。单击应用程序并向下滚动,单击添加并选择活动,然后突出显示新活动并单击蓝色字段名称*-只需填写名称和任何其他信息,它就会为您添加所有内容谢谢。现在我已经设置了这两个类、清单和xml,我希望能够从我的主活动启动facebook sdk我试图使用此代码
Intent myIntent=newintent(view.getContext(),FBConnectionActivity.class);startActivityForResult(myIntent,0);
,但我在logcat中遇到各种错误,它崩溃了。还有其他方法可以做到这一点吗?