My application uses a ListView to display a custom TextView as a tree
view, with the text indented according to the item's depth in the
tree. In that indentation, a line drawing denotes the hierarchy. I
tried to use the setPadding() within onDraw() to indent the text, but
that is causing a seemingly endless onDraw() loop ... perhaps due to
layout recalculations. Is there another easy method of adding left
indentation to text that doesn't cause this drawing loop problem?
My onDraw() and row layout XML are as follows:
@Override
protected void onDraw(Canvas canvas) {
// some canvas.drawPath() drawn lines denoting tree hierarchy
// unsuccessful attempt at indenting text according to mLineDepth
(set in ListAdapter)
setPadding(mLineDepth * PIXELS_PER_DEPTH_LAYER +
PIXELS_OFFSET_TO_NAME,0,0,0);
super.onDraw(canvas);
}
- - -
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/
android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<view
class="com.mycom.myapp.TClass$MyUnderlinedTextView"
android:id="@+id/tlist_utext"
android:layout_weight="1"
android:layout_width="0dip"
android:layout_height="fill_parent"
android:textSize="22dip"
android:singleLine="true"
android:ellipsize="marquee"
android:background="@android:color/transparent" />
<ImageView android:id="@+id/icon"
android:layout_width="48dip"
android:layout_height="48dip" />
</LinearLayout>
- - -
Best regards,
Greg
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