Examples in demo project for single- and multi-choice listview

demo/AndroidManifest.xml

@@ -28,5 +28,9 @@
                   android:label="Sections" />
         <activity android:name="CursorDSLV"
                   android:label="Cursor-backed" />
+        <activity android:name="MultipleChoiceListView"
+                  android:label="Multi-select list" />
+        <activity android:name="SingleChoiceListView"
+                  android:label="Single-choice list" />
     </application>
 </manifest> 

demo/res/layout/checkable_main.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.mobeta.android.dslv.DragSortListView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:dslv="http://schemas.android.com/apk/res/com.mobeta.android.demodslv"
+    android:id="@android:id/list"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    android:layout_margin="3dp"
+    android:choiceMode="multipleChoice"
+    android:dividerHeight="1px"
+    android:padding="3dp"
+    dslv:click_remove_id="@id/click_remove"
+    dslv:collapsed_height="1px"
+    dslv:drag_enabled="true"
+    dslv:drag_handle_id="@id/drag_handle"
+    dslv:drag_scroll_start="0.33"
+    dslv:drag_start_mode="onDown"
+    dslv:float_alpha="0.6"
+    dslv:remove_enabled="true"
+    dslv:remove_mode="clickRemove"
+    dslv:slide_shuffle_speed="0.3" />
+

demo/res/layout/list_item_checkable.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.mobeta.android.demodslv.CheckableLinearLayout
+  xmlns:android="http://schemas.android.com/apk/res/android"
+  android:layout_width="fill_parent"
+  android:layout_height="@dimen/item_height"
+  android:orientation="horizontal">
+  <ImageView
+    android:id="@id/drag_handle"
+    android:background="@drawable/drag"
+    android:layout_width="wrap_content"
+    android:layout_height="@dimen/item_height"
+    android:layout_weight="0" />
+  <CheckedTextView
+    android:checkMark="?android:attr/listChoiceIndicatorMultiple"
+    android:id="@+id/text"
+    android:layout_width="wrap_content"
+    android:layout_height="@dimen/item_height"
+    android:layout_weight="1"
+    android:textAppearance="?android:attr/textAppearanceMedium"
+    android:gravity="center_vertical"
+    android:paddingLeft="8dp" />
+</com.mobeta.android.demodslv.CheckableLinearLayout>

demo/res/layout/list_item_radio.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.mobeta.android.demodslv.CheckableLinearLayout
+  xmlns:android="http://schemas.android.com/apk/res/android"
+  android:layout_width="fill_parent"
+  android:layout_height="@dimen/item_height"
+  android:orientation="horizontal">
+  <ImageView
+    android:id="@id/drag_handle"
+    android:background="@drawable/drag"
+    android:layout_width="wrap_content"
+    android:layout_height="@dimen/item_height"
+    android:layout_weight="0" />
+  <CheckedTextView
+    android:checkMark="?android:attr/listChoiceIndicatorSingle"
+    android:id="@+id/text"
+    android:layout_width="wrap_content"
+    android:layout_height="@dimen/item_height"
+    android:layout_weight="1"
+    android:textAppearance="?android:attr/textAppearanceMedium"
+    android:gravity="center_vertical"
+    android:paddingLeft="8dp" />
+</com.mobeta.android.demodslv.CheckableLinearLayout>

demo/res/values/strings.xml

@@ -8,6 +8,8 @@
         <item>Background handle</item>
         <item>Sections</item>
         <item>CursorAdapter</item>
+        <item>Multiple-choice mode</item>
+        <item>Single-choice mode</item>
     </string-array>
     <string-array name="activity_descs">
         <item>
@@ -38,6 +40,13 @@
             which abstracts drag-sorts with a remapping of Cursor
             positions to ListView positions.
         </item>
+        <item>
+            Uses Checkable list items in multiple-choice mode.
+        </item>
+        <item>
+            Uses Checkable list items to allow for selectable radio
+            buttons in single-choice mode.
+        </item>
     </string-array>
     <string name="ok">OK</string>
     <string name="cancel">Cancel</string>

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

@@ -0,0 +1,38 @@
+package com.mobeta.android.demodslv;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.widget.Checkable;
+import android.widget.LinearLayout;
+
+public class CheckableLinearLayout extends LinearLayout implements Checkable {
+
+    private static final int CHECKABLE_CHILD_INDEX = 1;
+    private Checkable child;
+
+    public CheckableLinearLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        child = (Checkable) getChildAt(CHECKABLE_CHILD_INDEX);
+    }
+
+    @Override
+    public boolean isChecked() {
+        return child.isChecked(); 
+    }
+
+    @Override
+    public void setChecked(boolean checked) {
+        child.setChecked(checked);
+    }
+
+    @Override
+    public void toggle() {
+        child.toggle();
+    }
+
+}

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

@@ -0,0 +1,52 @@
+package com.mobeta.android.demodslv;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+import android.app.ListActivity;
+import android.os.Bundle;
+import android.widget.ArrayAdapter;
+
+import com.mobeta.android.dslv.DragSortListView;
+
+
+public class MultipleChoiceListView extends ListActivity
+{
+    private ArrayAdapter<String> adapter;
+
+    private DragSortListView.DropListener onDrop =
+        new DragSortListView.DropListener() {
+            @Override
+            public void drop(int from, int to) {
+                if (from != to) {
+                    DragSortListView list = getListView();
+                    String item = adapter.getItem(from);
+                    adapter.remove(item);
+                    adapter.insert(item, to);
+                    list.moveCheckState(from, to);
+                }
+            }
+        };
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.checkable_main);
+
+        String[] array = getResources().getStringArray(R.array.jazz_artist_names);
+        ArrayList<String> arrayList = new ArrayList<String>(Arrays.asList(array));
+
+        adapter = new ArrayAdapter<String>(this, R.layout.list_item_checkable, R.id.text, arrayList);
+
+        setListAdapter(adapter);
+
+        DragSortListView list = getListView();
+        list.setDropListener(onDrop);
+   }
+
+    @Override
+    public DragSortListView getListView() {
+        return (DragSortListView) super.getListView();
+    }
+
+}

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

@@ -0,0 +1,56 @@
+package com.mobeta.android.demodslv;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+import android.app.ListActivity;
+import android.os.Bundle;
+import android.util.Log;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+
+import com.mobeta.android.dslv.DragSortListView;
+
+
+public class SingleChoiceListView extends ListActivity
+{
+    private ArrayAdapter<String> adapter;
+
+    private DragSortListView.DropListener onDrop =
+        new DragSortListView.DropListener() {
+            @Override
+            public void drop(int from, int to) {
+                if (from != to) {
+                    DragSortListView list = getListView();
+                    String item = adapter.getItem(from);
+                    adapter.remove(item);
+                    adapter.insert(item, to);
+                    list.moveCheckState(from, to);
+                    Log.d("DSLV", "Selected item is " + list.getCheckedItemPosition());
+                }
+            }
+        };
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.checkable_main);
+
+        String[] array = getResources().getStringArray(R.array.jazz_artist_names);
+        ArrayList<String> arrayList = new ArrayList<String>(Arrays.asList(array));
+
+        adapter = new ArrayAdapter<String>(this, R.layout.list_item_radio, R.id.text, arrayList);
+
+        setListAdapter(adapter);
+
+        DragSortListView list = getListView();
+        list.setDropListener(onDrop);
+        list.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
+   }
+
+    @Override
+    public DragSortListView getListView() {
+        return (DragSortListView) super.getListView();
+    }
+
+}