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我試圖使用Twitter 4J加載Twitter頁面，但沒有加載Twitter頁面我已經註冊了我的申請，並得到我的消費者密鑰和消費者祕密密鑰這裏是我的代碼Twitter頁面沒有加載
package a.a.a;
import android.app.ListActivity;
import android.content.Intent;
import android.os.Bundle;
public class StatusListActivity extends ListActivity{
private Otweet app;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
app=(Otweet)getApplication();
setContentView(R.layout.main);
}
@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
if(!app.isAuthorized())
{
beginAuthorization();
}
else
{
}
}
public void beginAuthorization()
{
Intent intent=new Intent(StatusListActivity.this,AuthorizationActivity.class);
startActivity(intent);
}
}
這是授權活動
package a.a.a;
import twitter4j.Twitter;
import twitter4j.TwitterFactory;
import android.app.Activity;
import android.os.Bundle;
import android.webkit.WebView;
public class AuthorizationActivity extends Activity{
private Otweet app;
WebView WV;
Twitter twitter;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
app=(Otweet)getApplication();
setContentView(R.layout.authorization_view);
WV=(WebView)findViewById(R.id.web_view);
}
@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
//twitter=new TwitterFactory().getInstance();
//twitter.setOAuthConsumer("C6lqBhtUcC5f9wuauwoxag", "BttswrGyCxaeLgOZAdtfSqlbEg1uiw6xnuXD4y2rcjE");
String authURL=app.BeginAuthorization();
WV.loadUrl(authURL);
}
}
，這是otweet活動
public class Otweet extends Application {
private OAuthHelper authhelper;
private Twitter twitter;
private RequestToken currentRequestToken;
@Override
public void onCreate() {
// TODO Auto-generated method stub
super.onCreate();
authhelper=new OAuthHelper(this);
twitter=new TwitterFactory().getInstance();
authhelper.configureOAuth(twitter);
}
public boolean isAuthorized()
{
return authhelper.hasAccessToken();
}
public String BeginAuthorization()
{
try
{
if(null==currentRequestToken)
{
currentRequestToken=twitter.getOAuthRequestToken();
}
return currentRequestToken.getAuthorizationURL();
}
catch (TwitterException e) {
// TODO: handle exception
e.printStackTrace();
}
return null;
}
}
函數開始授權總是返回null。