Android R file not generating

2018-07-02 18:31:08

I know there are a lot of threads about this but I couldn't find one that solved my problem or is a duplicate.

So I was working on an app, accidently made the mistake of cleaning my project. This caused my R.java file to disappear. I tried cleaning my project again, building it again, closing eclipse, deleting the gen folder, checking all of my xml files for errors, all of that.

Problem now is whenever I create a new completely blank application project that doesn't even generate an R file automatically. I'm hoping there is still a way to restore it for my original project but as I stated nothing seems to work.

It could be if you have deleted

  <string name="action_settings">Settings</string>

in the strings.xml, but not deleted main.xml file in the menu folder.

你有没有尝试检查目标API可能api是低尝试做右键点击你的项目>>属性>> andriod >>检查正确的API或检查是否有任何错误，并先修复它们这些步骤使我的r文件产生希望它使你的

I have just had this experience. In my AndroidManifest.xml there was a reference to a theme which didn't exist.

For instance.

<application
    android:allowBackup="true"
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name"
    android:theme="@style/AppTheme_Lorem" >

There wasn't AppTheme_Lorem among the application's themes

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