Lance, Thanks for your reply. Finally I could track down the problem. "<PreferenceCategory>" was the root of the issue! For whatever reason, that exception occurs when I build against v1.6 and run it under v1.5 or when I build it against v1.5 and run it under v1.6... The problem vanishes when I remove my PreferenceCategory's from "preferences.xml".
Can you reproduce this with your code? As for the cause, when I tracked it even further, I found out that when a <PreferencesCategory> is inflated using the default layout, it's using "preference_category.xml" layout from platform (you can find it under "<ANDROID_SDK_HOME>/platforms/android-1.x/data/res/layout"). You'll find the following block inside the file (both for v1.5 and v1.6): <TextView xmlns:android="http://schemas.android.com/apk/res/android"; style="?android:attr/listSeparatorTextViewStyle" android:id="@+android:id/title" /> And obviously it includes neither "layout_height" not "layout_width" attribute! As a solution (maybe temporary!), I copied this file to my project's "layout/" directory and added the above missing parameters to it. And in my "preferences.xml" I assigned android:layout="@layout/preference_category" attribute to all of the <PreferenceCategory> tags. The problem resolved!!! But I'm still in wonder with such missing parameter, why it works flawlessly when I build and run the project under the same Android version?? Best Regards, Armond ----- Original Message ---- > From: Lance Nanek <lna...@gmail.com> > To: Android Developers <android-developers@googlegroups.com> > Sent: Wed, November 4, 2009 3:44:20 AM > Subject: [android-developers] Re: Problem running a > compiled/packaged-with-v1.6 application on v1.5 > > Hmm, I have an app that similarly uses a PreferenceActivity and build > target 1.6, but it runs fine on the 1.5 emulator. I wonder what we are > doing different. > > Is your activity just the basic form like this? > public class Preferences extends PreferenceActivity { > @Override > protected void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > addPreferencesFromResource(R.xml.preferences); > } > } > > Are you calling Preference#setLayoutResource in any way? Seems like > that could change the XML file being used. I think I found the default > one in the Android source, but don't see the missing attribute in it. > > On Nov 3, 5:03 pm, "Armond Avanes" wrote: > > Hi Guys, > > > > I have an application which is based Android 1.5 but for enabling different > > screen types support I have to compile and package it with v1.6. When I > > install and run the resulted APK on my 1.5 emulator, everything works fine > > except that "Preferences" activity crashes every time I launch it! > > > > When I revert back my API dependency to 1.5 and remove a few 1.6 specific > > config blocks from AndroidManifest.xml and compile/package it with 1.5, > > everything works just fine!! > > > > Below is the exception I get when it crashes. I will highly appreciate any > > help on this: > > > > D/AndroidRuntime( 985): Shutting down VM > > W/dalvikvm( 985): threadid=3: thread exiting with uncaught exception > > (group=0x4000fe70) > > E/AndroidRuntime( 985): Uncaught handler: thread main exiting due to > > uncaught exception > > E/AndroidRuntime( 985): java.lang.RuntimeException: Binary XML file line > > #18: You must supply a layout_width attribute. > > E/AndroidRuntime( 985): at > > android.content.res.TypedArray.getLayoutDimension(TypedArray.java:438) > > E/AndroidRuntime( 985): at > > android.view.ViewGroup$LayoutParams.setBaseAttributes(ViewGroup.java:3319) > > E/AndroidRuntime( 985): at > > android.view.ViewGroup$LayoutParams.(ViewGroup.java:3274) > > E/AndroidRuntime( 985): at > > android.widget.AbsListView$LayoutParams.(AbsListView.java:3242) > > E/AndroidRuntime( 985): at > > android.widget.AbsListView.generateLayoutParams(AbsListView.java:3123) > > E/AndroidRuntime( 985): at > > android.widget.AbsListView.generateLayoutParams(AbsListView.java:69) > > E/AndroidRuntime( 985): at > > android.view.LayoutInflater.inflate(LayoutInflater.java:395) > > E/AndroidRuntime( 985): at > > android.view.LayoutInflater.inflate(LayoutInflater.java:320) > > E/AndroidRuntime( 985): at > > android.preference.Preference.onCreateView(Preference.java:412) > > E/AndroidRuntime( 985): at > > android.preference.Preference.getView(Preference.java:389) > > E/AndroidRuntime( 985): at > > android.preference.PreferenceGroupAdapter.getView(PreferenceGroupAdapter.jav > > a:187) > > E/AndroidRuntime( 985): at > > android.widget.AbsListView.obtainView(AbsListView.java:1269) > > E/AndroidRuntime( 985): at > > android.widget.ListView.makeAndAddView(ListView.java:1623) > > E/AndroidRuntime( 985): at > > android.widget.ListView.fillDown(ListView.java:607) > > E/AndroidRuntime( 985): at > > android.widget.ListView.fillFromTop(ListView.java:664) > > E/AndroidRuntime( 985): at > > android.widget.ListView.layoutChildren(ListView.java:1481) > > E/AndroidRuntime( 985): at > > android.widget.AbsListView.onLayout(AbsListView.java:1113) > > E/AndroidRuntime( 985): at android.view.View.layout(View.java:6133) > > E/AndroidRuntime( 985): at > > android.widget.FrameLayout.onLayout(FrameLayout.java:333) > > E/AndroidRuntime( 985): at android.view.View.layout(View.java:6133) > > E/AndroidRuntime( 985): at > > android.widget.LinearLayout.setChildFrame(LinearLayout.java:1119) > > E/AndroidRuntime( 985): at > > android.widget.LinearLayout.layoutVertical(LinearLayout.java:998) > > E/AndroidRuntime( 985): at > > android.widget.LinearLayout.onLayout(LinearLayout.java:918) > > E/AndroidRuntime( 985): at android.view.View.layout(View.java:6133) > > E/AndroidRuntime( 985): at > > android.widget.FrameLayout.onLayout(FrameLayout.java:333) > > E/AndroidRuntime( 985): at android.view.View.layout(View.java:6133) > > E/AndroidRuntime( 985): at > > android.view.ViewRoot.performTraversals(ViewRoot.java:929) > > E/AndroidRuntime( 985): at > > android.view.ViewRoot.handleMessage(ViewRoot.java:1482) > > E/AndroidRuntime( 985): at > > android.os.Handler.dispatchMessage(Handler.java:99) > > E/AndroidRuntime( 985): at android.os.Looper.loop(Looper.java:123) > > E/AndroidRuntime( 985): at > > android.app.ActivityThread.main(ActivityThread.java:3948) > > E/AndroidRuntime( 985): at > > java.lang.reflect.Method.invokeNative(Native Method) > > E/AndroidRuntime( 985): at > > java.lang.reflect.Method.invoke(Method.java:521) > > E/AndroidRuntime( 985): at > > com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:7 > > 82) > > E/AndroidRuntime( 985): at > > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) > > E/AndroidRuntime( 985): at dalvik.system.NativeStart.main(Native > > Method) > > > > Best Regards, > > Armond > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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