Layout Fails!

droozen · by **droozen** » Thu Feb 26, 2009 5:41 pm

I seem to be having troubles when trying to set this layout in setContextView(). I just fail, but I can't tell any problems with the layout. Any ideas?

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Using xml Syntax Highlighting

 
<?xml version="1.0" encoding="utf-8"?>
 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 
    android:orientation="vertical"
 
    android:padding="10dip"
 
    android:layout_width="fill_parent"
 
    android:layout_height="wrap_content">
 
        <LinearLayout android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content">
 
                <Button android:id ="@+id/startHour"
 
                 android:text="@string/start_time"
 
                 android:layout_width="wrap_content"
 
                 android:layout_height="wrap_content"
 
                />
 
                <Button android:id ="@+id/stopHour"
 
                 android:text="@string/stop_time"
 
                 android:layout_width="wrap_content"
 
                 android:layout_height="wrap_content"
 
                />
 
        </LinearLayout>
 
        <TextView android:id="@+id/startTime"
 
        android:layout_width="fill_parent"
 
        android:layout_height="wrap_content"
 
        android:layout_marginTop="3dip" />
 
    <View
 
        android:layout_width="fill_parent"
 
        android:layout_height="2dip"
 
        android:background="#FFFFFFFF" />
 
    <ListView android:id="@+id/list"
 
        android:layout_width="wrap_content"
 
        android:layout_height="wrap_content"/>
 
</LinearLayout>
 
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mdownie · by **mdownie** » Thu Feb 26, 2009 10:56 pm

Are you getting an error when trying to load it or are you just getting a blank screen?

droozen · by **droozen** » Thu Feb 26, 2009 10:59 pm

An error pops up when the setContentView is called saying that my app quits unexpectedly.

mdownie · by **mdownie** » Thu Feb 26, 2009 11:28 pm

Are you sure that it has the error right when the layout is loaded or some code after you load it? The layout itself loads fine for me.

droozen · by **droozen** » Thu Feb 26, 2009 11:38 pm

It's right when I load it. I've stepped through it with a debugger. I think I've finally figured it out, though.

I think I reread the Notepad tutorial to find something I missed the first time. (I bet your activity doesn't extend ListActivity for it to have run fine.) When your activity extends ListActivity and you try to define a layout for it, the layout must have a ListView with android:id="@android:id/list" parameter. Mine, here, was android:id="@+id/list".

Pretty sure that was my problem. At least it's working for me now.

Layout Fails!

Layout Fails!

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