Drag and drop listview android

Drag and drop listview android:

The main use of the Drag and drop listview android  is you can re-arrange the listview by drag and drop in listview items.

Readmore :Drag and drop listview android.

Steps to follow inDrag and drop listview android:

Step 1:

Create new project dropdownlistview.

Import Drag and drop listview android in your project.

Now,Create new class TouchListViewDemo,

TouchListViewDemo.Java

publicclass TouchListViewDemo extends ListActivity {

String[] head_list={"A","B","C","D","E","F","G","H","I"};

private IconicAdapter adapter=null;

private ArrayList<String> array=new ArrayList<String>(Arrays.asList(head_list));

@Override

publicvoid onCreate(Bundle icicle) {

super.onCreate(icicle);

this.requestWindowFeature(Window.FEATURE_NO_TITLE);

setContentView(R.layout.main);

TouchListView tlv=(TouchListView)getListView();

adapter=new IconicAdapter();

setListAdapter(adapter);

tlv.setDropListener(onDrop);

tlv.setOnItemClickListener(new OnItemClickListener()

{

@Override

publicvoid onItemClick(AdapterView<?> arg0, View arg1, int position,

long arg3) {

}

});

}

private TouchListView.DropListener onDrop=new TouchListView.DropListener() {

@Override

publicvoid drop(int from, int to) {

String item=adapter.getItem(from);

adapter.remove(item);

adapter.insert(item, to);

}

};

class IconicAdapter extends ArrayAdapter<String> {

IconicAdapter() {

super(TouchListViewDemo.this, R.layout.row2, array);

}

public View getView(int position, View convertView,

ViewGroup parent) {

View row=convertView;

if (row==null) {

LayoutInflater inflater=getLayoutInflater();

row=inflater.inflate(R.layout.row2, parent, false);

}

TextView label=(TextView)row.findViewById(R.id.label);

label.setText(array.get(position));

return(row);

}

}

}

main.xml:

<?xml version="1.0" encoding="utf-8"?>

<com.commonsware.cwac.tlv.TouchListView

xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tlv="http://schemas.android.com/apk/res/com.vel.dropanddownlistview"

android:id="@android:id/list"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:drawSelectorOnTop="false"

tlv:normal_height="64dip"

tlv:expanded_height="128dip"

tlv:grabber="@+id/icon"

tlv:remove_mode="slideRight"

/>

Then Create row.xml for set adapter for the listview,

row.xml

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="fill_parent"

android:layout_height="64dip"

android:gravity="center_vertical"

android:ignoreGravity="@+id/icon">

<ImageView android:id="@+id/icon"

android:layout_alignParentLeft="true"

android:layout_alignParentTop="true"

android:layout_alignParentBottom="true"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:src="@drawable/grabber"

/>

<TextView android:id="@+id/label"

android:textAppearance="?android:attr/textAppearanceMedium"

android:layout_width="wrap_content"

android:paddingLeft="9dip"

android:layout_height="wrap_content"

android:layout_alignWithParentIfMissing="true"

android:layout_toRightOf="@id/icon"

android:layout_centerVertical="true"

android:ellipsize="marquee"

android:singleLine="true"

/>

</RelativeLayout>

Output of the Drag and drop listview android is:

Drag and drop listview android

Drag and drop listview android

Here B moved to the top in the listview.

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