在Android中使用Google API的“我的活动”中出现错误java.lang.ClassNotFoundException
我为我的大学做了一个测试,在一个教程之后使用谷歌地图。我做的一切都和教程中的一样,但我的应用程序在显示任何带有消息的内容之前就崩溃了。不幸的是,SocialFoot已经停止。我试图调试,但它似乎在进入onCreate方法之前就崩溃了。这是我的代码:在Android中使用Google API的“我的活动”中出现错误java.lang.ClassNotFoundException,android,google-maps,Android,Google Maps,我为我的大学做了一个测试,在一个教程之后使用谷歌地图。我做的一切都和教程中的一样,但我的应用程序在显示任何带有消息的内容之前就崩溃了。不幸的是,SocialFoot已经停止。我试图调试,但它似乎在进入onCreate方法之前就崩溃了。这是我的代码: package it.univpm.dii.socialfoot; import com.actionbarsherlock.app.SherlockMapActivity; import android.os.Bundle; public cl
package it.univpm.dii.socialfoot;
import com.actionbarsherlock.app.SherlockMapActivity;
import android.os.Bundle;
public class SocialFootActivity extends SherlockMapActivity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
@Override
protected boolean isRouteDisplayed() {
// TODO Auto-generated method stub
return false;
}
}
日志:
05-18 19:29:59.343: E/AndroidRuntime(3405): FATAL EXCEPTION: main
05-18 19:29:59.343: E/AndroidRuntime(3405): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{it.univpm.dii.socialfoot/it.univpm.dii.socialfoot.activities.SocialFootActivity}: java.lang.ClassNotFoundException: it.univpm.dii.socialfoot.activities.SocialFootActivity
05-18 19:29:59.343: E/AndroidRuntime(3405): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1880)
05-18 19:29:59.343: E/AndroidRuntime(3405): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
05-18 19:29:59.343: E/AndroidRuntime(3405): at android.app.ActivityThread.access$600(ActivityThread.java:123)
05-18 19:29:59.343: E/AndroidRuntime(3405): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
05-18 19:29:59.343: E/AndroidRuntime(3405): at android.os.Handler.dispatchMessage(Handler.java:99)
05-18 19:29:59.343: E/AndroidRuntime(3405): at android.os.Looper.loop(Looper.java:137)
05-18 19:29:59.343: E/AndroidRuntime(3405): at android.app.ActivityThread.main(ActivityThread.java:4424)
05-18 19:29:59.343: E/AndroidRuntime(3405): at java.lang.reflect.Method.invokeNative(Native Method)
05-18 19:29:59.343: E/AndroidRuntime(3405): at java.lang.reflect.Method.invoke(Method.java:511)
05-18 19:29:59.343: E/AndroidRuntime(3405): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
05-18 19:29:59.343: E/AndroidRuntime(3405): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
05-18 19:29:59.343: E/AndroidRuntime(3405): at dalvik.system.NativeStart.main(Native Method)
05-18 19:29:59.343: E/AndroidRuntime(3405): Caused by: java.lang.ClassNotFoundException: it.univpm.dii.socialfoot.activities.SocialFootActivity
05-18 19:29:59.343: E/AndroidRuntime(3405): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
05-18 19:29:59.343: E/AndroidRuntime(3405): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
05-18 19:29:59.343: E/AndroidRuntime(3405): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
05-18 19:29:59.343: E/AndroidRuntime(3405): at android.app.Instrumentation.newActivity(Instrumentation.java:1023)
05-18 19:29:59.343: E/AndroidRuntime(3405): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1871)
05-18 19:29:59.343: E/AndroidRuntime(3405): ... 11 more
舱单:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="it.univpm.dii.socialfoot"
android:versionCode="1"
android:versionName="1.0" >
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_GPS" />
<uses-sdk android:minSdkVersion="15" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/Theme.Sherlock" >
<uses-library android:name="com.google.android.maps" />
<activity
android:name=".SocialFootActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
布局:日志表明应用程序正在尝试启动它。univpm.dii.socialfoot.activities.SocialFootActivity,但SocialFootActivity在包it.univpm.dii.socialfoot中。如果在应用程序启动时发生这种情况,因为该活动被设置为启动活动,我将尝试清理和重建项目,然后重试。SherlockMapActivity扩展了MapActivity?给出相同的错误。SherlockMapActivity是一个扩展本机MapActivity的库,它可以清理您的项目..您有了它。univpm.dii.socialfoot.activities.SocialFootActivity?