定義我自己的Android主題的問題

Question

這個XML有什麼問題嗎？我沒有得到任何編譯時錯誤，但是無論何時我嘗試編輯它，Eclipse都會給我一個nullpointerexception。爲什麼？

/res/values/styles.xml

<?xml version="1.0" encoding="utf-8"?> 
    <resources> 
     <!-- Base application theme is the default theme. --> 
     <style name="Theme" parent="android:Theme"> 
     </style> 

     <!-- Variation on our application theme that has a translucent 
    background. --> 
     <style name="Theme.Translucent"> 
     <item name="android:windowBackground">@drawable/translucent_background</item> 
     <item name="android:windowNoTitle">true</item> 
     <item name="android:colorForeground">#fff</item> 
     </style> 

     <!-- Variation on our application theme that has a transparent 
    background; this example completely removes the background, 
    allowing the activity to decide how to composite. --> 
     <style name="Theme.Transparent"> 
     <item name="android:windowBackground">@drawable/transparent_background</item> 
     <item name="android:windowNoTitle">true</item> 
     <item name="android:colorForeground">#fff</item> 
     </style> 
     <style name="TextAppearance.Theme.PlainText" parent="android:TextAppearance.Theme"> 
     <item name="android:textStyle">normal</item> 
     </style> 

    </resources> 

Answer 1

我也看過這種情況。我做了一個Project-> Clean，然後重新啓動了eclipse。當它回來時，問題就消失了。

Answer 2

沒有我彈出向右走，只要確保你在你的文件夾res/drawable和transparent_backgroundtranslucent_background。