Android example - drawing ink annotations

This commit puts in the UI for drawing with color
and line thickness.  But it does not yet save this to
the document.

1 files changed, 64 insertions, 0 deletions

diff --git a/platform/java/src/kankan/wheel/widget/adapters/WheelViewAdapter.java b/platform/java/src/kankan/wheel/widget/adapters/WheelViewAdapter.java
new file mode 100644
index 00000000..db256570
--- /dev/null
+++ b/platform/java/src/kankan/wheel/widget/adapters/WheelViewAdapter.java
@@ -0,0 +1,64 @@
+/*
+ *  Copyright 2011 Yuri Kanivets
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package kankan.wheel.widget.adapters;
+
+import android.database.DataSetObserver;
+import android.view.View;
+import android.view.ViewGroup;
+
+/**
+ * Wheel items adapter interface
+ */
+public interface WheelViewAdapter {
+	/**
+	 * Gets items count
+	 * @return the count of wheel items
+	 */
+	public int getItemsCount();
+
+	/**
+	 * Get a View that displays the data at the specified position in the data set
+	 *
+	 * @param index the item index
+	 * @param convertView the old view to reuse if possible
+	 * @param parent the parent that this view will eventually be attached to
+	 * @return the wheel item View
+	 */
+	public View getItem(int index, View convertView, ViewGroup parent);
+
+	/**
+	 * Get a View that displays an empty wheel item placed before the first or after
+	 * the last wheel item.
+	 *
+	 * @param convertView the old view to reuse if possible
+	 * @param parent the parent that this view will eventually be attached to
+	 * @return the empty item View
+	 */
+	public View getEmptyItem(View convertView, ViewGroup parent);
+
+	/**
+	 * Register an observer that is called when changes happen to the data used by this adapter.
+	 * @param observer the observer to be registered
+	 */
+	public void registerDataSetObserver(DataSetObserver observer);
+
+	/**
+	 * Unregister an observer that has previously been registered
+	 * @param observer the observer to be unregistered
+	 */
+	void unregisterDataSetObserver (DataSetObserver observer);
+}