我MainActivity类引发抛出java.lang.ClassNotFoundException时延伸ActionBarActivity [英] My MainActivity class throws java.lang.ClassNotFoundException when extends ActionBarActivity
问题描述
我随后就如何引入外部库的其他线程指示的指令,但在导入Android的支持-V7-appcompat.jar到我的Android项目的参考库(ADT v.22.0.5)后,我得到的java .lang.ClassNotFoundException:
I followed the instructions indicated in other threads on how to import external libraries, but after importing android-support-v7-appcompat.jar into the Referenced Libraries of my Android project (in ADT v.22.0.5) I get java.lang.ClassNotFoundException:
import android.os.Bundle;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
public class MainActivity extends ActionBarActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ActionBar actionBar = getSupportActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
}
}
有人可以提供一些线索?
Can someone please shed some light?
推荐答案
我修好了以下说明:
-
<一个href="http://wptrafficanalyzer.in/blog/android-setting-up-actionbarcompat-support-library-in-eclipse/"相对=nofollow>如何设置ActionBarCompat在Eclipse
<一个href="http://wptrafficanalyzer.in/blog/implementing-action-bar-using-actionbarcompat-support-library-in-android"相对=nofollow>如何使用来实现操作栏ActionBarCompat
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