Created
March 29, 2011 17:28
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Layout file for creating a simple ListView in an activity
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package com.example.listview; | |
import java.util.ArrayList; | |
import android.content.Context; | |
import android.view.LayoutInflater; | |
import android.view.View; | |
import android.view.ViewGroup; | |
import android.widget.ArrayAdapter; | |
import android.widget.ImageView; | |
import android.widget.TextView; | |
public class CustomAdapter extends ArrayAdapter<Item> { | |
private Context _context; | |
private ArrayList<Item> _items; | |
private int _viewResourceId; | |
public CustomAdapter(Context context, int textViewResourceId, | |
ArrayList<Item> items) { | |
super(context, textViewResourceId, items); | |
this._items = items; | |
this._context = context; | |
this._viewResourceId = textViewResourceId; | |
} | |
@Override | |
public View getView(int position, View convertView, ViewGroup parent) { | |
View v = convertView; | |
if (v == null) { | |
LayoutInflater vi = (LayoutInflater) _context | |
.getSystemService(Context.LAYOUT_INFLATER_SERVICE); | |
v = vi.inflate(_viewResourceId, null); | |
} | |
Item i = _items.get(position); | |
if (i != null) { | |
ImageView image1 = (ImageView) v.findViewById(R.id.image1); | |
ImageView image2 = (ImageView) v.findViewById(R.id.image2); | |
TextView itemtext = (TextView) v.findViewById(R.id.itemtext); | |
if (image1 != null) { | |
image1.setImageResource(R.drawable.icon); | |
} | |
if (image2 != null) { | |
image2.setImageResource(R.drawable.icon); | |
} | |
if (itemtext != null) { | |
itemtext.setText(i.get_name()); | |
} | |
} | |
return v; | |
} | |
} |
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package com.example.listview; | |
import java.util.ArrayList; | |
import android.app.ListActivity; | |
import android.os.Bundle; | |
public class CustomListView extends ListActivity { | |
private CustomAdapter _adapter; | |
private ArrayList<Item> _items; | |
@Override | |
public void onCreate(Bundle savedInstanceState) { | |
super.onCreate(savedInstanceState); | |
setContentView(R.layout.main); | |
_items = new ArrayList<Item>(); | |
// Fill the ArrayList with some items. You should define your own | |
// methods to fill the ArrayList | |
addItems(); | |
// Set the custom adapter as the adapter for the list view | |
this._adapter = new CustomAdapter(this, R.layout.row, _items); | |
setListAdapter(this._adapter); | |
} | |
private void addItems() { | |
for (int i = 0; i < 10; i++) { | |
_items.add(new Item(i, "item " + i)); | |
} | |
} | |
} |
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<?xml version="1.0" encoding="utf-8"?> | |
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" | |
android:orientation="vertical" android:layout_width="fill_parent" | |
android:layout_height="fill_parent"> | |
<ListView android:id="@+id/android:list" android:layout_width="fill_parent" | |
android:layout_height="fill_parent" /> | |
</LinearLayout> |
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<?xml version="1.0" encoding="utf-8"?> | |
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" | |
android:layout_width="fill_parent" android:layout_height="?android:attr/listPreferredItemHeight" | |
android:padding="6dip"> | |
<ImageView android:id="@+id/image1" android:layout_width="wrap_content" | |
android:layout_height="fill_parent" android:layout_marginRight="6dip"/> | |
<ImageView android:id="@+id/image2" android:layout_width="wrap_content" | |
android:layout_height="fill_parent" android:layout_marginRight="6dip"/> | |
<TextView android:id="@+id/itemtext" android:layout_width="fill_parent" | |
android:layout_height="fill_parent"/> | |
</LinearLayout> |
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