Adding item to view programmatically in Android

Question

I am trying to find out how I can add an item (from xml drawable/workaround_item.xml) in a LinearLayout that is vertically aligned.

<RelativeLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="fill_parent"
  android:layout_height="100dip"
  android:layout_marginTop="5dip"
  android:paddingTop="5dip"
  android:paddingBottom="5dip"
  android:orientation="horizontal">

    <LinearLayout
        android:layout_width="100dp"
        android:layout_height="fill_parent"
        android:orientation="vertical"
        android:layout_alignParentLeft="true"
        android:gravity="center_vertical">            
        <ImageView 
            android:id="@+id/home_image"
            android:layout_width="fill_parent" 
            android:layout_height="wrap_content"
            android:layout_centerHorizontal="true" />           
        <TextView
            android:id="@+id/home_team" 
            android:layout_width="fill_parent" 
            android:layout_height="wrap_content"
            android:layout_centerHorizontal="true" 
            android:gravity="center_horizontal"
            android:textStyle="bold"
            android:textSize="12sp"
            android:textColor="#fff"/>          
    </LinearLayout>

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="fill_parent"
        android:orientation="vertical"
        android:gravity="center_vertical"
        android:layout_centerHorizontal="true">
        <TextView 
            android:id="@+id/game_cship" 
            android:layout_width="fill_parent" 
            android:layout_height="wrap_content"
            android:layout_centerHorizontal="true" 
            android:gravity="center_horizontal|center_vertical"
            android:textStyle="bold"
            android:textSize="10sp"/>               
        <TextView 
            android:id="@+id/game_score" 
            android:layout_width="fill_parent" 
            android:layout_height="wrap_content"
            android:layout_centerHorizontal="true" 
            android:gravity="center_horizontal"
            android:textStyle="bold"
            android:textColor="#fff" android:textSize="24sp"/>          
        <TextView 
            android:id="@+id/game_date" 
            android:layout_width="fill_parent" 
            android:layout_height="wrap_content"
            android:layout_centerHorizontal="true" 
            android:gravity="center_horizontal"
            android:textStyle="bold"
            android:textSize="10sp"/>           
    </LinearLayout>

    <LinearLayout
        android:layout_width="100dp"
        android:layout_height="fill_parent"
        android:orientation="vertical"
        android:gravity="center_vertical"
        android:layout_alignParentRight="true">                       
        <ImageView 
            android:id="@+id/away_image"
            android:layout_width="fill_parent" 
            android:layout_height="wrap_content"
            android:layout_centerHorizontal="true" />           
        <TextView 
            android:id="@+id/away_team" 
            android:layout_width="fill_parent" 
            android:layout_height="wrap_content"
            android:layout_centerHorizontal="true"
            android:gravity="center_horizontal"
            android:textStyle="bold"
            android:textSize="12sp"
            android:textColor="#fff" />     
    </LinearLayout>
</RelativeLayout>

At the beginning I was trying to use a ListView but as far I as know there is a bug using listview inside a scrollview. I was doing this because I have more components on the view that should be scrolled together with the list view. So I decided to remove the listview and implement a simple linear layout where i will be adding each element below other and so on.

The layout for the activity is as follow (layout/workaround.xml) and I would like to start adding the elements below the top bar.

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"    
android:id="@+id/linearid" >

</LinearLayout>

That's my Java code:

public class DemoActivity3 extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.workaround);

    LayoutInflater inflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    LinearLayout ll = (LinearLayout) this.findViewById(R.id.linearid);

    for(int i = 1; i< 15; i++) {        
        View item = inflater.inflate(R.layout.workaround_item, null);
        TextView x = (TextView) item.findViewById(R.id.game_score);
        x.setText("Score" + i);
        TextView ht = (TextView) item.findViewById(R.id.home_team);
        ht.setText("HomeTeam" + i);
        TextView at = (TextView) item.findViewById(R.id.away_team);
        at.setText("AwayTeam"+i);
        ImageView hi = (ImageView) item.findViewById(R.id.home_image);
        hi.setImageResource(R.drawable.gremio);
        ImageView ai = (ImageView) item.findViewById(R.id.away_image);
        ai.setImageResource(R.drawable.goias);
        ll.addView(item,ViewGroup.LayoutParams.WRAP_CONTENT);
    }
}

That's the result I am getting: http://twitpic.com/3562yu

Does Android allow us to do this? If so, Hoe can I add the elements and set their values? (this layout will be displaying results of soccer games).

Please post the full XML for your "workaround_item" - what you've posted is invalid XML as you have three LinearLayouts that are not contained in anything. — dominicoder
– dominicoder, Commented Sep 15, 2019 at 23:40

Cheryl Simon · Accepted Answer · 2010-11-08 22:10:33Z

1

You can use the LayoutInflater to create an instance of an xml layout file.

Then just call addView on your LinearLayout.

answered Nov 8, 2010 at 22:10

Cheryl Simon

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7 Comments

Thiago Over a year ago

I am inflating my item and adding it 15 times to the linear layout. However, i only see the first one right in the middle of the screen. I was trying to get the "list" of items in the screen, but no success.

Cheryl Simon Over a year ago

You added the same item 15 times? You need to create 15 different objects and add them..

Thiago Over a year ago

Thats what i am doing. I have a loop for 15 elements and I am adding them. I am trying to paste my code here in the comment section, but no way.

Cheryl Simon Over a year ago

You should be able to edit your question with additional details.

Thiago Over a year ago

Done. I edited my question adding the java code and the result, as you can see, i see only one result instead of 15.

|

Kevin Gaudin · Accepted Answer · 2010-11-09 00:07:21Z

1

There's no "bug" about ListView in ScrollView, this is just nonsense.

There's a feature in ListView that allow you to add header/footer views which would allow you to place anything above and below the regular items of your ListView.

answered Nov 9, 2010 at 0:07

Kevin Gaudin

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3 Comments

Thiago Over a year ago

Sorry for saying "bug" but I have seen a lot of threads/posts saying to not use listview inside a header view. Is there any sample code available for adding header to a listview? Thanks

Thiago Over a year ago

Buy the way, the header will not scroll along with the list itens.

Kevin Gaudin Over a year ago

So you just need to define a vertical linear layout containing your Header and then a ListView.

Jonathon Horsman · Accepted Answer · 2011-08-29 14:08:26Z

1

As Kevin said you're better to use a list view with a header. The header will scroll with the list.

However if you're programatically adding views to a layout, you're code should work. Try adding them with a LayoutParam object:

LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
ll.addView(item, params);

answered Aug 29, 2011 at 14:08

Jonathon Horsman

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