I have set up a FrameLayout which has a TextView
on top of a ListView
. Now, in the MainActivity
, after executing some code, I check whether the ListView
is empty. If it is, I display the TextView
, if not, I remove the TextView
.
The code is as follows:
Following is the main.xml file:
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/flMain"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/tvAddItem"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="Add some subjects"
android:textSize="20sp" />
<ListView
android:id="@+id/ItemsList"
android:layout_width="match_parent"
android:layout_height="0dip"
android:layout_weight="1" />
</FrameLayout>
In the MainActivity class, I do the following:
MainActivity.java
TextView tvNoItem = (TextView) findViewById(R.id.tvAddItem);
ListView subListView = (ListView) findViewById(R.id.itemsList);
FrameLayout fl = (FrameLayout) findViewById(R.id.flMain);
ArrayList<Item> itemsList;
//some code
if(itemsList.isEmpty()) {
fl.addView(tvNoItem);
} else {
fl.removeView(tvNoItem);
}
Now, when I run it and I add some items to the list, the TextView
(tvNoItem) is removed indeed. But all I see is a blank list - the list items are not visible. [BTW, the list is working fine. When I remove the TextView
from main.xml
, I can see all the list items.] Please help.
txtview.setVisibility(View.GONE) ;
txtview.setVisibility(View.VISIBLE) ;