Initial Contribution

apps/Development/src/com/android/development/ArrayAdapter.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * 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 com.android.development;
+
+import android.content.Context;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.LayoutInflater;
+import android.widget.BaseAdapter;
+
+import java.util.List;
+
+public abstract class ArrayAdapter<E> extends BaseAdapter
+{
+    public ArrayAdapter(Context context, int layoutRes) {
+        mContext = context;
+        mInflater = (LayoutInflater)context.getSystemService(
+            Context.LAYOUT_INFLATER_SERVICE);
+        mLayoutRes = layoutRes;
+    }
+
+    public void setSource(List<E> list) {
+        mList = list;
+    }
+
+    public abstract void bindView(View view, E item);
+
+    public E itemForPosition(int position) {
+        if (mList == null) {
+            return null;
+        }
+
+        return mList.get(position);
+    }
+
+    public int getCount() {
+        return mList != null ? mList.size() : 0;
+    }
+
+    public Object getItem(int position) {
+        return position;
+    }
+
+    public long getItemId(int position) {
+        return position;
+    }
+
+    public View getView(int position, View convertView, ViewGroup parent) {
+        View view;
+        if (convertView == null) {
+            view = mInflater.inflate(mLayoutRes, parent, false);
+        } else {
+            view = convertView;
+        }
+        bindView(view, mList.get(position));
+        return view;
+    }
+
+    private final Context mContext;
+    private final LayoutInflater mInflater;
+    private final int mLayoutRes;
+    private List<E> mList;
+}
+