Actually I have tried first to change it for any child view.Same result...
On Sun, Jan 11, 2009 at 12:42 AM, hmmm <akul...@mail.ru> wrote:
>
> Might it be because as stated in the docs for setLayoutParams() "These
> supply parameters to the parent of this view specifying how it should be
> arranged." and in this case there's no parent of the view, so the attempted
> operation is not valid.
> You might want to try the same with some child view and probably will
> work...
>
> ----- Original Message -----
> From: "EvgenyV" <evgen...@gmail.com>
> To: "Android Developers" <android-developers@googlegroups.com>
> Sent: Sunday, January 11, 2009 1:13 AM
> Subject: [android-developers] Change linear layout programmatically -
> problem
>
>
> >
> > Hi!
> >
> > I'm trying to change height layout from "wrap_content" to
> > "fill_parent" from code. Using landscape mode.
> > public class BBB extends Activity
> > {
> > @Override
> > public void onCreate(Bundle savedInstanceState) {
> > super.onCreate(savedInstanceState);
> > setContentView(R.layout.bbb);
> > LinearLayout layout = (LinearLayout)findViewById(R.id.mainZZZ);
> >
> > LayoutParams params = new LayoutParams
> > (LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
> > layout.setLayoutParams(params);
> > }
> > }
> > I have bbb.xml layout file
> > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/
> > android"
> > android:orientation="vertical"
> > android:id="@+id/mainZZZ"
> > android:layout_width="fill_parent"
> > android:layout_height="wrap_content">
> > </LinearLayout>
> >
> > Why the activity can't be loaded after run-time changes?
> > Missing I something?
> >
> > Thanks in advance,
> > Evgeny
> >
> > Stack error:
> > 01-10 21:53:41.570: WARN/dalvikvm(1680): threadid=3: thread exiting
> > with uncaught exception (group=0x40010e28)
> > 01-10 21:53:41.581: ERROR/AndroidRuntime(1680): Uncaught handler:
> > thread main exiting due to uncaught exception
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680):
> > java.lang.ClassCastException: android.view.ViewGroup$LayoutParams
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.widget.LinearLayout.measureVertical(LinearLayout.java:323)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.widget.LinearLayout.onMeasure(LinearLayout.java:275)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.view.View.measure(View.java:6621)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:2791)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.widget.FrameLayout.onMeasure(FrameLayout.java:208)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.view.View.measure(View.java:6621)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.widget.LinearLayout.measureVertical(LinearLayout.java:461)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.widget.LinearLayout.onMeasure(LinearLayout.java:275)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.view.View.measure(View.java:6621)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:2791)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.widget.FrameLayout.onMeasure(FrameLayout.java:208)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.view.View.measure(View.java:6621)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.view.ViewRoot.performTraversals(ViewRoot.java:620)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.view.ViewRoot.handleMessage(ViewRoot.java:1103)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.os.Handler.dispatchMessage(Handler.java:88)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.os.Looper.loop(Looper.java:123)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > android.app.ActivityThread.main(ActivityThread.java:3742)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > java.lang.reflect.Method.invokeNative(Native Method)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > java.lang.reflect.Method.invoke(Method.java:515)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run
> > (ZygoteInit.java:739)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:497)
> > 01-10 21:53:41.841: ERROR/AndroidRuntime(1680): at
> > dalvik.system.NativeStart.main(Native Method)
> >
> >
> >
> >
> > >
>
>
> >
>
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