You did not give an id to imageView1, so imageView1.getId() returns an invalid id.
On Tue, Jun 16, 2009 at 4:20 PM, JohnJYates <[email protected]> wrote: > > If a RelativeLayout must be generated at run time, what are the > equivalent API calls for the attributes set in the XML Layout editor? > Take for example this very simple RelativeLayout that places the > second ImageView to the right of the first ImageView: > > <?xml version="1.0" encoding="utf-8"?> > <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/ > android" > android:layout_width="fill_parent" > android:layout_height="fill_parent" > android:orientation="horizontal" android:background="@drawable/ > bg_sunrise" android:layout_gravity="center" android:gravity="center"> > > <ImageView android:id="@+id/ImageView01" > android:layout_width="wrap_content" > android:layout_height="wrap_content" android:src="@drawable/icon"></ > ImageView> > > <ImageView android:id="@+id/ImageView02" > android:layout_width="wrap_content" > android:layout_height="wrap_content" android:layout_toRightOf="@id/ > ImageView01" android:src="@drawable/icon"></ImageView> > </RelativeLayout> > > > Of the many, many, many, many variations I tried, I had the most hope > for this one, but it didn't work either: > > protected void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > this.requestWindowFeature(Window.FEATURE_NO_TITLE); > RelativeLayout layout = new RelativeLayout(this); > layout.setLayoutParams( new > ViewGroup.LayoutParams > ( LayoutParams.FILL_PARENT, > LayoutParams.FILL_PARENT ) ); > > ImageView imageView1 = new ImageView(this); > imageView1.setImageResource(R.drawable.icon); > imageView1.setAdjustViewBounds(true); // set the ImageView > bounds > to match the Drawable's dimensions > > RelativeLayout.LayoutParams params1 = new > RelativeLayout.LayoutParams > (LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); > params1.addRule(RelativeLayout.ALIGN_PARENT_TOP); > layout.addView(imageView1, params1); > > ImageView imageView2 = new ImageView(this); > imageView2.setImageResource(R.drawable.icon); > imageView2.setAdjustViewBounds(true); // set the ImageView > bounds > to match the Drawable's dimensions > > RelativeLayout.LayoutParams params2 = new > RelativeLayout.LayoutParams > (LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); > params2.addRule(RelativeLayout.RIGHT_OF, > imageView1.getId()); > layout.addView(imageView2, params2); > this.setContentView(layout); > } > > Can anyone offer the Java equivalent to the above XML? Can anyone > explain why there is no attribute, getter/setter, or method for > accessing the properties that can be set in XML? What is the most > elegant solution for dynamically creating Layouts, Views, and other > Resources on the Android platform when there is no Java programmatic > equivalent? > > > > -- Romain Guy Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support. All such questions should be posted on public forums, where I and others can see and answer them --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
