好吧所以我一直在搞乱Twitter API，突然间，当我尝试输入我的登录框登录Twitter的Activity时，我开始得到ClassNotFoundException错误代码。
这是错误代码。
2398-2398/josh.com.twitterapi E/dalvikvm﹕ Could not find class 'josh.com.twitterapi.LoginActivity', referenced from method josh.com.twitterapi.NavigationDrawerFragment.selectItem
07-05 02:19:30.138 2398-2398/josh.com.twitterapi E/AndroidRuntime﹕ FATAL EXCEPTION: main
java.lang.NoClassDefFoundError: josh.com.twitterapi.LoginActivity
at josh.com.twitterapi.NavigationDrawerFragment.selectItem(NavigationDrawerFragment.java:204)
at josh.com.twitterapi.NavigationDrawerFragment.access$000(NavigationDrawerFragment.java:32)
at josh.com.twitterapi.NavigationDrawerFragment$1.onItemClick(NavigationDrawerFragment.java:99)
at android.widget.AdapterView.performItemClick(AdapterView.java:301)
at android.widget.AbsListView.performItemClick(AbsListView.java:1280)
at android.widget.AbsListView$PerformClick.run(AbsListView.java:3071)
at android.widget.AbsListView$1.run(AbsListView.java:3973)
at android.os.Handler.handleCallback(Handler.java:615)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4867)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1007)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:774)
at dalvik.system.NativeStart.main(Native Method)
07-05 02:21:03.973 3223-3223/josh.com.twitterapi E/dalvikvm﹕ Could not find class 'josh.com.twitterapi.LoginActivity', referenced from method josh.com.twitterapi.NavigationDrawerFragment.selectItem
这是我的LoginActivity.java。
package josh.com.socialme;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import com.codepath.oauth.OAuthLoginActivity;
public class LoginActivity extends OAuthLoginActivity<TwitterClient> {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
}
// Inflate the menu; this adds items to the action bar if it is present.
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.login, menu);
return true;
}
// OAuth authenticated successfully, launch primary authenticated activity
// i.e Display application "homepage"
@Override
public void onLoginSuccess() {
// Intent i = new Intent(this, PhotosActivity.class);
// startActivity(i);
}
// OAuth authentication flow failed, handle the error
// i.e Display an error dialog or toast
@Override
public void onLoginFailure(Exception e) {
e.printStackTrace();
}
// Click handler method for the button used to start OAuth flow
// Uses the client to initiate OAuth authorization
// This should be tied to a button used to login
public void loginToRest(View view) {
getClient().connect();
}
}
This is my AndroidManifest.
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="josh.com.socialme" >
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/Theme.AppCompat.Light.DarkActionBar" >
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<activity
android:name=".Hub"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".Feed"
android:label="@string/title_activity_feed" >
</activity>
<activity
android:name=".LoginActivity"
android:label="@string/app_name" >
</activity>
</application>
</manifest>
这是我用来参加活动的方法。
private void selectItem(int position) {
// Handle Navigation Options
Intent intent;
switch (position) {
case 1:
intent = new Intent(getActivity(), Feed.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
getActivity().startActivity(intent);
break;
case 2:
intent = new Intent(getActivity(), LoginActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
getActivity().startActivity(intent);
break;
}
}
如果有人能指出我正确的方向，我将不胜感激。
亲切的问候， 约什
（根据要求提供AndroidManifest.xml）
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="josh.com.socialme" >
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/Theme.AppCompat.Light.DarkActionBar" >
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<activity
android:name=".Hub"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".Feed"
android:label="@string/title_activity_feed" >
</activity>
<activity
android:name=".LoginActivity"
android:label="@string/title_login_activity" >
</activity>
</application>
</manifest>