我一直在努力,现在就可以开始与Android编程一段时间。我主要是一个.NET开发人员8年没有Java经验的(大学)。
我可以编译和运行样本没有问题,但现在我尝试和失败重命名我的包/类。我相信我已经更新了清单和三重检查它(复制和粘贴的名字,与Eclipse选择了它),但它总是失败,了java.lang.ClassNotFoundException:
九月12号至2日:12:21.088:ERROR / AndroidRuntime(233):未捕获的处理程序:螺纹主力退出,由于未捕获的异常
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):java.lang.RuntimeException的:无法实例活动ComponentInfo {org.anddev.cheesemp.helloandworld / org.anddev.cheesemp.helloandworld.HelloAndEngine}:java.lang中.ClassNotFoundException:org.anddev.cheesemp.helloandworld.HelloAndEngine装载机dalvik.system.PathClassLoader@43d0c0d0
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2417)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在android.app.ActivityThread.access $ 2200(ActivityThread.java:119)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1863)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在android.os.Handler.dispatchMessage(Handler.java:99)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在android.os.Looper.loop(Looper.java:123)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在android.app.ActivityThread.main(ActivityThread.java:4363)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在java.lang.reflect.Method.invokeNative(本机方法)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在java.lang.reflect.Method.invoke(Method.java:521)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:860)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在dalvik.system.NativeStart.main(本机方法)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):抛出java.lang.ClassNotFoundException:产生的原因org.anddev.cheesemp.helloandworld.HelloAndEngine装载机dalvik.system.PathClassLoader@43d0c0d0
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在java.lang.ClassLoader.loadClass(ClassLoader.java:573)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在java.lang.ClassLoader.loadClass(ClassLoader.java:532)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在android.app.Instrumentation.newActivity(Instrumentation.java:1021)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2409)
九月12号至2日:12:21.178:ERROR / AndroidRuntime(233):11 ...更多
清单是在这里:
< XML版本=" 1.0"编码=" UTF-8英寸;>
<舱单的xmlns:安卓=" HTTP://schemas.android.com/apk/res/android"
安卓版code =" 1"
机器人:VERSIONNAME =" 1.0"包=" org.anddev.cheesemp.helloandworld">
<使用-许可安卓名=" android.permission.WAKE_LOCK" />
<应用安卓图标=" @可绘制/图标"机器人:标签=" @字符串/ APP_NAME">
<活动机器人:标签=" @字符串/ APP_NAME"机器人:名称=" org.anddev.cheesemp.helloandworld.HelloAndEngine">
<意向滤光器>
<作用安卓名=" android.intent.action.MAIN" />
<类机器人:名称=" android.intent.category.LAUNCHER" />
&所述; /意图滤光器>
< /活性GT;
< /用途>
<使用-SDK安卓的minSdkVersion =" 4英寸>
< /舱单>
类定义是在这里:
包org.anddev.cheesemp.helloandworld;
进口org.anddev.andengine.engine.Engine;
进口org.anddev.andengine.engine.camera.Camera;
进口org.anddev.andengine.engine.options.EngineOptions;
进口org.anddev.andengine.engine.options.EngineOptions.ScreenOrientation;
进口org.anddev.andengine.engine.options.resolutionpolicy.RatioResolutionPolicy;
进口org.anddev.andengine.entity.scene.Scene;
进口org.anddev.andengine.entity.scene.background.ColorBackground;
进口org.anddev.andengine.entity.text.Text;
进口org.anddev.andengine.entity.util.FPSLogger;
进口org.anddev.andengine.opengl.font.Font;
进口org.anddev.andengine.opengl.texture.Texture;
进口org.anddev.andengine.opengl.texture.TextureOptions;
进口org.anddev.andengine.ui.activity.BaseGameActivity;
进口org.anddev.andengine.util.HorizontalAlign;
进口android.graphics.Color;
进口android.graphics.Typeface;
/ **
* @author尼古拉斯·格拉姆利克
* @Since 11时54分51秒 - 2010年4月3日
* /
公共类HelloAndEngine扩展BaseGameActivity
该样本是从AndEngine,但我已经受够了每次采样我修改了同样的问题。我不禁觉得我已经错过了一些东西并没有什么我发现搜索的帮助。
任何意见AP preciated!
解决方案试试这个。
<活动机器人:标签=@字符串/ APP_NAME机器人:名称=。HelloAndEngine>
您不必完全限定类名。此外,如果你正在使用Eclipse和重命名一个包去项目
→清除
,让它清理项目,固定起来引用等如果有什么坏了。
I've been trying to get started with Android programming for a while now. I'm mainly a .NET developer with no Java experience for 8 years (university).
I can compile and run samples no problem but the moment I try and rename my package/class it fails. I believe I've updated the manifest and triple checked it (Copied and pasted name, selected it with Eclipse) yet it always fails with a java.lang.ClassNotFoundException:
12-02 09:12:21.088: ERROR/AndroidRuntime(233): Uncaught handler: thread main exiting due to uncaught exception
12-02 09:12:21.178: ERROR/AndroidRuntime(233): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{org.anddev.cheesemp.helloandworld/org.anddev.cheesemp.helloandworld.HelloAndEngine}: java.lang.ClassNotFoundException: org.anddev.cheesemp.helloandworld.HelloAndEngine in loader dalvik.system.PathClassLoader@43d0c0d0
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2417)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at android.app.ActivityThread.access$2200(ActivityThread.java:119)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at android.os.Handler.dispatchMessage(Handler.java:99)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at android.os.Looper.loop(Looper.java:123)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at android.app.ActivityThread.main(ActivityThread.java:4363)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at java.lang.reflect.Method.invokeNative(Native Method)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at java.lang.reflect.Method.invoke(Method.java:521)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at dalvik.system.NativeStart.main(Native Method)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): Caused by: java.lang.ClassNotFoundException: org.anddev.cheesemp.helloandworld.HelloAndEngine in loader dalvik.system.PathClassLoader@43d0c0d0
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at java.lang.ClassLoader.loadClass(ClassLoader.java:573)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at java.lang.ClassLoader.loadClass(ClassLoader.java:532)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2409)
12-02 09:12:21.178: ERROR/AndroidRuntime(233): ... 11 more
Manifest is here:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
android:versionCode="1"
android:versionName="1.0" package="org.anddev.cheesemp.helloandworld">
<uses-permission android:name="android.permission.WAKE_LOCK"/>
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:label="@string/app_name" android:name="org.anddev.cheesemp.helloandworld.HelloAndEngine">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-sdk android:minSdkVersion="4" >
</manifest>
Class definition is here:
package org.anddev.cheesemp.helloandworld;
import org.anddev.andengine.engine.Engine;
import org.anddev.andengine.engine.camera.Camera;
import org.anddev.andengine.engine.options.EngineOptions;
import org.anddev.andengine.engine.options.EngineOptions.ScreenOrientation;
import org.anddev.andengine.engine.options.resolutionpolicy.RatioResolutionPolicy;
import org.anddev.andengine.entity.scene.Scene;
import org.anddev.andengine.entity.scene.background.ColorBackground;
import org.anddev.andengine.entity.text.Text;
import org.anddev.andengine.entity.util.FPSLogger;
import org.anddev.andengine.opengl.font.Font;
import org.anddev.andengine.opengl.texture.Texture;
import org.anddev.andengine.opengl.texture.TextureOptions;
import org.anddev.andengine.ui.activity.BaseGameActivity;
import org.anddev.andengine.util.HorizontalAlign;
import android.graphics.Color;
import android.graphics.Typeface;
/**
* @author Nicolas Gramlich
* @since 11:54:51 - 03.04.2010
*/
public class HelloAndEngine extends BaseGameActivity
This sample is from AndEngine but I've had the same issue with every sample I modify. I can't help but feel I've missed something and nothing I found searching has helped.
Any advice appreciated!
解决方案Try this.
<activity android:label="@string/app_name" android:name=".HelloAndEngine">
You don't need the fully qualified class name. Also, if you are working with Eclipse and rename a package go to Project
→ Clean
and let it clean up your project, fixing up references and so on if anything is broken.
相关推荐
最新文章