Saturday, July 6, 2013

Customize_List_View

Activity_main.xml
=============
<ListView
                android:id="@+id/listView1"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                
                android:layout_marginTop="30dp"
                android:layout_marginBottom="30dp">           
            </ListView>

mainActivity.java
============
public class MainActivity extends Activity {
String fruits[]={"Apple","Orange","Banana","Mango"};
ListView lv;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
                lv=(ListView) findViewById(R.id.listView1);
lv.setAdapter(new MyListAdapter(this,fruits));
  lv.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> adapter, View v, int pos, long id) {
// TODO Auto-generated method stub
Toast.makeText(getApplicationContext(), "You clicked:"+fruits[pos], Toast.LENGTH_SHORT).show();

}

});
       }
}

list_item_view.xml
=============
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal" >

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/home" />

    <TextView
        android:id="@+id/nameView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Name"
        android:layout_marginTop="20dp"
        android:textColor="#008000"
        android:textAppearance="?android:attr/textAppearanceMedium" />

    <TextView
        android:id="@+id/priceView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Price"
        android:layout_marginLeft="150dp"
        android:layout_marginTop="20dp"
        android:textColor="#008000"
        android:textAppearance="?android:attr/textAppearanceMedium" />


</LinearLayout>


MyListAdapter.java
==============

public class MyListAdapter extends BaseAdapter {
private Context context;
private final String[] values;
public MyListAdapter(Context context, String[] values) {
// TODO Auto-generated constructor stub
this.context=context;
this.values=values;
}


@Override
public int getCount() {
// TODO Auto-generated method stub
return values.length;
}



@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub

LayoutInflater inflater=(LayoutInflater) context.getSystemService(context.LAYOUT_INFLATER_SERVICE);
View listView;
if(convertView==null){
listView=new View(context);
listView=inflater.inflate(R.layout.list_item_view, null);
TextView textView1=(TextView) listView.findViewById(R.id.nameView);
TextView textView2=(TextView) listView.findViewById(R.id.priceView);
ImageView imageView=(ImageView) listView.findViewById(R.id.imageView1);
String str=values[position];
if(str.equalsIgnoreCase("Apple")){
imageView.setImageResource(R.drawable.apple);
textView1.setText(values[0]);
textView2.setText("180.00");
}
if(str.equalsIgnoreCase("Orange")){
imageView.setImageResource(R.drawable.orange);
textView1.setText(values[1]);
textView2.setText("80.00");
}
if(str.equalsIgnoreCase("Banana")){
imageView.setImageResource(R.drawable.banana);
textView1.setText(values[2]);
textView2.setText("40.00");
}
if(str.equalsIgnoreCase("Mango")){
imageView.setImageResource(R.drawable.mangos);
textView1.setText(values[3]);
textView2.setText("60.00");
}
}else{
listView=convertView;
}

return listView;
}


@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return null;
}


@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}




}

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