Romain, Just like John and Pavel, I cannot figure out how to set some RelativeLayout XML attributes programmatically in Java.
For example, I cannot find a programmatic way to define "layout_centerVertical=true" with only Java. Here is some example XML from my relativeLayout file: <EditText android:id="@+id/widget29" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="EditText" android:textSize="18sp" android:layout_centerVertical="true" android:layout_centerHorizontal="true" > Thanks, Ben On Jun 25, 10:09 am, Romain Guy <[email protected]> wrote: > I don't know of any XML property that cannot be set via the Java API. > > 2009/6/24 Pavel Lahoda <[email protected]>: > > > > > > > > > Romain, > > > I have a same question as John ? How can I access some properties > > (such as here in RelativeView, but there are plenty of others) through > > the Java API ? It seems that some properties are only possible to set > > when constructing the view from the XML : this is pretty strange. Can > > you comment on that ? Thanks. > > > Pavel > > > On 17 čvn, 19:03, Romain Guy <[email protected]> wrote: > >> 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 > > -- > 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. 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