选项菜单上的android开发
我是使用 PhoneGap 进行 Android 开发的新手,我尝试通过 http://developer.android.com/guide/topics/ui/menus.html,但它总是给出如下错误消息:
[2011-12-20 16:45:28 - HelloPhoneGap] W/ResourceType(23444):错误的 XML 块:标头大小 > 84 或总大小 0 大于数据大小 0 [2011-12-20 16:45:28 - HelloPhoneGap] C:..\workspace\HelloPhoneGap\res\menu\menu.xml:3: >错误:错误:找不到与给定名称匹配的资源(位于 '标题',其值>'@string/new_game')。 [2011-12-20 16:45:28 - HelloPhoneGap] C:..\workspace\HelloPhoneGap\res\menu\menu.xml:5: >错误:错误:找不到与给定名称匹配的资源(位于 ' title' 的值 >'@string/help')。
这是控制台代码:
package com.phonegap.helloworld;
import android.os.Bundle;
import com.phonegap.*;
public class App extends DroidGap {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
super.loadUrl("file:///android_asset/www/jqm/index.htm");
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.game_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle item selection
switch (item.getItemId()) {
case R.id.new_game:
newGame();
return true;
case R.id.help:
showHelp();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@Override
public boolean onKeyDown(int keyCode,KeyEvent event){
if (keyCode == KeyEvent.KEYCODE_MENU) {
return false;
}else{
return super.onKeyDown(keyCode, event);
}
}
}
menu.xml
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/new_game"
android:title="@string/new_game" />
<item android:id="@+id/help"
android:title="@string/help" />
</menu>
有人告诉我导致错误的原因吗?
多谢!
在 string.xml 中定义字符串后,错误消失了,但我遇到了如下新错误
KeyEvent cannot be resolved to a type App.java /HelloPhoneGap/src/com/phonegap/helloworld line 39 Java Problem
KeyEvent cannot be resolved to a variable App.java /HelloPhoneGap/src/com/phonegap/helloworld line 40 Java Problem
Menu cannot be resolved to a type App.java /HelloPhoneGap/src/com/phonegap/helloworld line 17 Java Problem
MenuInflater cannot be resolved to a type App.java /HelloPhoneGap/src/com/phonegap/helloworld line 18 Java Problem
MenuItem cannot be resolved to a type App.java /HelloPhoneGap/src/com/phonegap/helloworld line 24 Java Problem
I am new to Android development by using PhoneGap, I try to build an options menu through a tutorial from http://developer.android.com/guide/topics/ui/menus.html, but it always gave error messages like below:
[2011-12-20 16:45:28 - HelloPhoneGap] W/ResourceType(23444): Bad XML block: header size >84 or total size 0 is larger than data size 0
[2011-12-20 16:45:28 - HelloPhoneGap] C:..\workspace\HelloPhoneGap\res\menu\menu.xml:3: >error: Error: No resource found that matches the given name (at 'title' with value >'@string/new_game').
[2011-12-20 16:45:28 - HelloPhoneGap] C:..\workspace\HelloPhoneGap\res\menu\menu.xml:5: >error: Error: No resource found that matches the given name (at 'title' with value >'@string/help').
Here is console code:
package com.phonegap.helloworld;
import android.os.Bundle;
import com.phonegap.*;
public class App extends DroidGap {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
super.loadUrl("file:///android_asset/www/jqm/index.htm");
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.game_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle item selection
switch (item.getItemId()) {
case R.id.new_game:
newGame();
return true;
case R.id.help:
showHelp();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@Override
public boolean onKeyDown(int keyCode,KeyEvent event){
if (keyCode == KeyEvent.KEYCODE_MENU) {
return false;
}else{
return super.onKeyDown(keyCode, event);
}
}
}
menu.xml
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/new_game"
android:title="@string/new_game" />
<item android:id="@+id/help"
android:title="@string/help" />
</menu>
Did anybody tell what cause the errors?
Thanks a lot!
After define string in string.xml, the error gone away but I've meet new errors like below
KeyEvent cannot be resolved to a type App.java /HelloPhoneGap/src/com/phonegap/helloworld line 39 Java Problem
KeyEvent cannot be resolved to a variable App.java /HelloPhoneGap/src/com/phonegap/helloworld line 40 Java Problem
Menu cannot be resolved to a type App.java /HelloPhoneGap/src/com/phonegap/helloworld line 17 Java Problem
MenuInflater cannot be resolved to a type App.java /HelloPhoneGap/src/com/phonegap/helloworld line 18 Java Problem
MenuItem cannot be resolved to a type App.java /HelloPhoneGap/src/com/phonegap/helloworld line 24 Java Problem
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评论(3)
您必须在参考值中定义字符串
new_game
您可以创建值 xml 文件-
如果您使用的是 eclipse,则右键单击该项目并选择其他,然后选择 android xml 文件,然后在给定窗口中选择资源类型作为值,
you must have define Strings
new_game
in values likerefer this
You can create values xml file -If you are using eclipse then right click on the project and select other and there select android xml file,then given window select resource type as value,
似乎您缺少 /res/values/strings.xml
您的文本应该有字符串标签,例如:
Seems like you are missing your /res/values/strings.xml
There should be the string tags for your texts like:
看起来您在字符串
new_game
和help
中的strings.xml
文件中没有或有一些错误It looks like you don't have or have some errors in
strings.xml
file in stringsnew_game
andhelp