Why nobody answer it? I meet the same question. Have you resolved it? Henrik Gustafsson wrote: > Hi all! > > This was originally posted as a StackOverflow question ( > http://stackoverflow.com/questions/549451 > ), but following advice from #android I will also post the question > here. > > I have two Android projects, a 'library project' containing a custom > layout, and an 'application project' containing an application which > uses the layout. > > Everything seems to build and execute fine, except that the visual > layout editor throws a ClassNotFoundException (which I assume is a bug > in the plug-in), but when I try to start to make use of the attributes > I defined for the custom layout in the xml, the build fails. That is; > this works: > > <?xml version="1.0" encoding="utf-8"?> > <se.fnord.android.layout.PredicateLayout > xmlns:android="http://schemas.android.com/apk/res/android"; > android:layout_width="fill_parent" > android:layout_height="fill_parent"> > <TextView > android:layout_width="wrap_content" > android:layout_height="wrap_content" > android:text="asdfasdf" > /> > </se.fnord.android.layout.PredicateLayout> > > Whereas this does not: > > <?xml version="1.0" encoding="utf-8"?> > <se.fnord.android.layout.PredicateLayout > xmlns:android="http://schemas.android.com/apk/res/android"; > xmlns:fnord="http://schemas.android.com/apk/res/se.fnord.android > " > android:layout_width="fill_parent" > android:layout_height="fill_parent"> > <TextView > fnord:layout_horizontalSpacing="1px" > android:layout_width="wrap_content" > android:layout_height="wrap_content" > android:text="asdfasdf" > /> > </se.fnord.android.layout.PredicateLayout> > > The build fails with a message from aapt: > > ERROR No resource identifier found for attribute > 'layout_horizontalSpacing' in package 'se.fnord.android' > > The resource identifier does exist in the R-file and attrs.xml > contained the library project, and if I put the layout code and > resources directly in the application project everything works fine. > The layout_horizontalSpacing attribute (and layout_verticalSpacing) is > a custom attribute used in the PredicateLayout.LayoutParam class to > specify the distance to the next widget. > > So far I've tried the standard eclipse ways by specifying project > references and build path project dependencies. I was also told to try > the <uses-library> tag in the application manifest, which did not help. > > So, what do I need to do for the references in the xml-file to work? > > I don't know if it's relevant, but the 'library' manifest looks like > this: > > <?xml version="1.0" encoding="utf-8"?> > <manifest xmlns:android="http://schemas.android.com/apk/res/ > android" > package="se.fnord.android" > android:versionCode="1" android:versionName="1.0.0"> > </manifest> > > The 'application' manifest like this: > > <?xml version="1.0" encoding="utf-8"?> > <manifest xmlns:android="http://schemas.android.com/apk/res/ > android" > package="se.fnord.appname" > android:versionCode="1" android:versionName="1.0.0"> > <application android:icon="@drawable/icon" > android:label="@string/app_name"> > <activity android:name=".AppName" > android:label="@string/app_name"> > <intent-filter> > <action > android:name="android.intent.action.MAIN" /> > <category > android:name="android.intent.category.LAUNCHER" /> > </intent-filter> > </activity> > </application> > </manifest> > > 'se.fnord.android.layout.PredicateLayout', btw, is a cleaned-up > version of the layout posted at http://stackoverflow.com/questions/549451 > . > > Thanks! > > // Henrik --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
