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Mattias Flodin
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Examples in demo project for single- and multi-choice listview
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‎demo/AndroidManifest.xml

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android:label="Sections" />
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<activity android:name="CursorDSLV"
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android:label="Cursor-backed" />
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<activity android:name="MultipleChoiceListView"
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android:label="Multi-select list" />
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<activity android:name="SingleChoiceListView"
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android:label="Single-choice list" />
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</application>
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</manifest>

‎demo/res/layout/checkable_main.xml

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<?xml version="1.0" encoding="utf-8"?>
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<com.mobeta.android.dslv.DragSortListView xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:dslv="http://schemas.android.com/apk/res/com.mobeta.android.demodslv"
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android:id="@android:id/list"
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android:layout_width="fill_parent"
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android:layout_height="fill_parent"
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android:layout_margin="3dp"
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android:choiceMode="multipleChoice"
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android:dividerHeight="1px"
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android:padding="3dp"
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dslv:click_remove_id="@id/click_remove"
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dslv:collapsed_height="1px"
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dslv:drag_enabled="true"
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dslv:drag_handle_id="@id/drag_handle"
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dslv:drag_scroll_start="0.33"
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dslv:drag_start_mode="onDown"
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dslv:float_alpha="0.6"
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dslv:remove_enabled="true"
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dslv:remove_mode="clickRemove"
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dslv:slide_shuffle_speed="0.3" />
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‎demo/res/layout/list_item_checkable.xml

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<?xml version="1.0" encoding="utf-8"?>
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<com.mobeta.android.demodslv.CheckableLinearLayout
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="fill_parent"
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android:layout_height="@dimen/item_height"
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android:orientation="horizontal">
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<ImageView
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android:id="@id/drag_handle"
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android:background="@drawable/drag"
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android:layout_width="wrap_content"
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android:layout_height="@dimen/item_height"
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android:layout_weight="0" />
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<CheckedTextView
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android:checkMark="?android:attr/listChoiceIndicatorMultiple"
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android:id="@+id/text"
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android:layout_width="wrap_content"
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android:layout_height="@dimen/item_height"
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android:layout_weight="1"
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android:textAppearance="?android:attr/textAppearanceMedium"
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android:gravity="center_vertical"
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android:paddingLeft="8dp" />
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</com.mobeta.android.demodslv.CheckableLinearLayout>

‎demo/res/layout/list_item_radio.xml

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<?xml version="1.0" encoding="utf-8"?>
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<com.mobeta.android.demodslv.CheckableLinearLayout
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="fill_parent"
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android:layout_height="@dimen/item_height"
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android:orientation="horizontal">
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<ImageView
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android:id="@id/drag_handle"
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android:background="@drawable/drag"
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android:layout_width="wrap_content"
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android:layout_height="@dimen/item_height"
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android:layout_weight="0" />
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<CheckedTextView
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android:checkMark="?android:attr/listChoiceIndicatorSingle"
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android:id="@+id/text"
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android:layout_width="wrap_content"
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android:layout_height="@dimen/item_height"
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android:layout_weight="1"
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android:textAppearance="?android:attr/textAppearanceMedium"
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android:gravity="center_vertical"
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android:paddingLeft="8dp" />
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</com.mobeta.android.demodslv.CheckableLinearLayout>

‎demo/res/values/strings.xml

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<item>Background handle</item>
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<item>Sections</item>
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<item>CursorAdapter</item>
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<item>Multiple-choice mode</item>
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<item>Single-choice mode</item>
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</string-array>
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<string-array name="activity_descs">
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<item>
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which abstracts drag-sorts with a remapping of Cursor
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positions to ListView positions.
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</item>
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<item>
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Uses Checkable list items in multiple-choice mode.
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</item>
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<item>
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Uses Checkable list items to allow for selectable radio
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buttons in single-choice mode.
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</item>
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</string-array>
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<string name="ok">OK</string>
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<string name="cancel">Cancel</string>

‎demo/src/com/mobeta/android/demodslv/CheckableLinearLayout.java

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package com.mobeta.android.demodslv;
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import android.content.Context;
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import android.util.AttributeSet;
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import android.widget.Checkable;
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import android.widget.LinearLayout;
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public class CheckableLinearLayout extends LinearLayout implements Checkable {
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private static final int CHECKABLE_CHILD_INDEX = 1;
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private Checkable child;
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public CheckableLinearLayout(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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protected void onFinishInflate() {
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super.onFinishInflate();
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child = (Checkable) getChildAt(CHECKABLE_CHILD_INDEX);
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}
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@Override
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public boolean isChecked() {
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return child.isChecked();
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}
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@Override
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public void setChecked(boolean checked) {
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child.setChecked(checked);
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}
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@Override
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public void toggle() {
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child.toggle();
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}
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}

‎demo/src/com/mobeta/android/demodslv/MultipleChoiceListView.java

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package com.mobeta.android.demodslv;
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import java.util.ArrayList;
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import java.util.Arrays;
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import android.app.ListActivity;
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import android.os.Bundle;
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import android.widget.ArrayAdapter;
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import com.mobeta.android.dslv.DragSortListView;
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public class MultipleChoiceListView extends ListActivity
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{
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private ArrayAdapter<String> adapter;
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private DragSortListView.DropListener onDrop =
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new DragSortListView.DropListener() {
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@Override
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public void drop(int from, int to) {
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if (from != to) {
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DragSortListView list = getListView();
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String item = adapter.getItem(from);
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adapter.remove(item);
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adapter.insert(item, to);
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list.moveCheckState(from, to);
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}
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}
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};
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.checkable_main);
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String[] array = getResources().getStringArray(R.array.jazz_artist_names);
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ArrayList<String> arrayList = new ArrayList<String>(Arrays.asList(array));
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adapter = new ArrayAdapter<String>(this, R.layout.list_item_checkable, R.id.text, arrayList);
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setListAdapter(adapter);
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DragSortListView list = getListView();
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list.setDropListener(onDrop);
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}
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@Override
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public DragSortListView getListView() {
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return (DragSortListView) super.getListView();
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}
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}

‎demo/src/com/mobeta/android/demodslv/SingleChoiceListView.java

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package com.mobeta.android.demodslv;
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import java.util.ArrayList;
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import java.util.Arrays;
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import android.app.ListActivity;
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import android.os.Bundle;
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import android.util.Log;
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import android.widget.ArrayAdapter;
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import android.widget.ListView;
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import com.mobeta.android.dslv.DragSortListView;
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public class SingleChoiceListView extends ListActivity
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{
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private ArrayAdapter<String> adapter;
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private DragSortListView.DropListener onDrop =
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new DragSortListView.DropListener() {
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@Override
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public void drop(int from, int to) {
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if (from != to) {
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DragSortListView list = getListView();
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String item = adapter.getItem(from);
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adapter.remove(item);
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adapter.insert(item, to);
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list.moveCheckState(from, to);
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Log.d("DSLV", "Selected item is " + list.getCheckedItemPosition());
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}
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}
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};
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.checkable_main);
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String[] array = getResources().getStringArray(R.array.jazz_artist_names);
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ArrayList<String> arrayList = new ArrayList<String>(Arrays.asList(array));
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adapter = new ArrayAdapter<String>(this, R.layout.list_item_radio, R.id.text, arrayList);
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setListAdapter(adapter);
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DragSortListView list = getListView();
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list.setDropListener(onDrop);
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list.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
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}
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@Override
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public DragSortListView getListView() {
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return (DragSortListView) super.getListView();
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}
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}

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