Java Android:创建菜单时出错
我正在尝试创建一个菜单按钮,以将项目添加到购物列表中,但我一直遇到以下错误:Java Android:创建菜单时出错,java,android,Java,Android,我正在尝试创建一个菜单按钮,以将项目添加到购物列表中,但我一直遇到以下错误: 04-12 12:15:57.585 1995-1995/com.example.ShoppingList D/AndroidRuntime﹕ Shutting down VM 04-12 12:15:57.585 1995-1995/com.example.ShoppingList W/dalvikvm﹕ threadid=1: thread exiting with uncaught e
04-12 12:15:57.585 1995-1995/com.example.ShoppingList D/AndroidRuntime﹕ Shutting down VM
04-12 12:15:57.585 1995-1995/com.example.ShoppingList W/dalvikvm﹕ threadid=1: thread exiting with uncaught exception (group=0xb0d8cb20)
04-12 12:15:57.585 1995-1995/com.example.ShoppingList E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.example.ShoppingList, PID: 1995
java.lang.RuntimeException: Unable to start activity ComponentInfo {com.example.ShoppingList/com.example.ShoppingList.MyActivity}: android.view.InflateException: Binary XML file line #8: Error inflating class menu
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
at android.app.ActivityThread.access$800(ActivityThread.java:135)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5017)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.view.InflateException: Binary XML file line #8: Error inflating class menu
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:707)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:290)
at android.app.Activity.setContentView(Activity.java:1929)
at com.example.ShoppingList.MyActivity.onCreate(MyActivity.java:13)
at android.app.Activity.performCreate(Activity.java:5231)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
at android.app.ActivityThread.access$800(ActivityThread.java:135)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5017)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.ClassNotFoundException: Didn't find class "android.view.menu" on path: DexPathList[[zip file "/data/app/com.example.ShoppingList-2.apk"],nativeLibraryDirectories= [/data/app- lib/com.example.ShoppingList-2, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:497)
at java.lang.ClassLoader.loadClass(ClassLoader.java:457)
at android.view.LayoutInflater.createView(LayoutInflater.java:559)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:652)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:66)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:669)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:694)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:290)
at android.app.Activity.setContentView(Activity.java:1929)
at com.example.ShoppingList.MyActivity.onCreate(MyActivity.java:13)
at android.app.Activity.performCreate(Activity.java:5231)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
at android.app.ActivityThread.access$800(ActivityThread.java:135)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5017)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
at dalvik.system.NativeStart.main(Native Method)
它必须执行编译器无法找到的主菜单类。我的main.xml文件如下所示:
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/action_add"
android:title="Add"
android:showAsAction="always" />
</menu>
package com.example.ShoppingList;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.ListView;
import android.widget.TextView;
import java.util.ArrayList;
public class MyActivity extends Activity {
/**
* Called when the activity is first created.
*/
public static final int ADD_ITEM_REQUEST =1;
private ListView shoppingList;
private ArrayList<ItemParcel> itemParcels;
@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
shoppingList= (ListView)findViewById(R.id.listViewAddItem);
itemParcels= new ArrayList<ItemParcel>();
ItemListAdaptor adaptor = new ItemListAdaptor(this, itemParcels);
shoppingList.setAdapter(adaptor);
updateItemCount();
}
@Override
public boolean onCreateOptionsMenu(Menu menu){
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main,menu);
return super.onCreateOptionsMenu(menu);
}
我的代码如下:
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/action_add"
android:title="Add"
android:showAsAction="always" />
</menu>
package com.example.ShoppingList;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.ListView;
import android.widget.TextView;
import java.util.ArrayList;
public class MyActivity extends Activity {
/**
* Called when the activity is first created.
*/
public static final int ADD_ITEM_REQUEST =1;
private ListView shoppingList;
private ArrayList<ItemParcel> itemParcels;
@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
shoppingList= (ListView)findViewById(R.id.listViewAddItem);
itemParcels= new ArrayList<ItemParcel>();
ItemListAdaptor adaptor = new ItemListAdaptor(this, itemParcels);
shoppingList.setAdapter(adaptor);
updateItemCount();
}
@Override
public boolean onCreateOptionsMenu(Menu menu){
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main,menu);
return super.onCreateOptionsMenu(menu);
}
package com.example.ShoppingList;
导入android.app.Activity;
导入android.content.Intent;
导入android.os.Bundle;
导入android.view.Menu;
导入android.view.MenuInflater;
导入android.view.MenuItem;
导入android.widget.ListView;
导入android.widget.TextView;
导入java.util.ArrayList;
公共类MyActivity扩展了活动{
/**
*在首次创建活动时调用。
*/
公共静态最终整数添加项请求=1;
私有ListView购物列表;
私人ArrayList项目包裹;
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
shoppingList=(ListView)findViewById(R.id.listViewAddItem);
itemParcels=新的ArrayList();
ItemListAdapter=新的ItemListAdapter(这是itemParcels);
购物清单。设置适配器(适配器);
updateItemCount();
}
@凌驾
公共布尔onCreateOptions菜单(菜单){
MenuInflater充气机=getMenuInflater();
充气机。充气(右菜单。主菜单);
返回super.onCreateOptions菜单(菜单);
}
我的项目结构如下:
请查看并让我知道问题可能在哪里。我检查了链接,但没有发现任何可疑之处。问题是由于函数中的变量传递了错误的参数,而函数在特定布局中找不到列表。通过使用正确的布局和布局上的正确id修复了此问题,并且艺术作品