Completely rewrite application

src/org/traccar/client/StatusActivity.java

@@ -0,0 +1,88 @@
+/*
+ * Copyright 2012 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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 org.traccar.client;
+
+import java.text.DateFormat;
+import java.util.Date;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Set;
+
+import android.app.ListActivity;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.widget.ArrayAdapter;
+
+public class StatusActivity extends ListActivity {
+
+    private static final List<String> messages = new LinkedList<String>();
+    private static final Set<ArrayAdapter<String>> adapters = new HashSet<ArrayAdapter<String>>();
+
+    private static void notifyAdapters() {
+        for (ArrayAdapter<String> adapter : adapters) {
+            adapter.notifyDataSetChanged();
+        }
+    }
+
+    public static void addMessage(String message) {
+        DateFormat format = DateFormat.getTimeInstance(DateFormat.SHORT);
+        message = format.format(new Date()) + " - " + message;
+        messages.add(message);
+        notifyAdapters();
+    }
+
+    public static void clearMessages() {
+        messages.clear();
+        notifyAdapters();
+    }
+
+    private ArrayAdapter<String> adapter;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.status);
+        adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, android.R.id.text1, messages);
+        setListAdapter(adapter);
+        adapters.add(adapter);
+    }
+
+    @Override
+    protected void onDestroy() {
+        adapters.remove(adapter);
+        super.onDestroy();
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        MenuInflater inflater = getMenuInflater();
+        inflater.inflate(R.menu.status, menu);
+        return super.onCreateOptionsMenu(menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (item.getItemId() == R.id.clear) {
+            clearMessages();
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+}