android: remove MapActivity

- see vtm-android-start for an example use of MapView
- add MapPreferences

- update android-start
- android-example: use appcompat actionbar

vtm-android-example/src/org/oscim/android/test/MapActivity.java

@@ -0,0 +1,53 @@
+package org.oscim.android.test;
+
+import org.oscim.android.MapPreferences;
+import org.oscim.android.MapView;
+import org.oscim.map.Map;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import android.os.Bundle;
+import android.support.v7.app.ActionBarActivity;
+
+public abstract class MapActivity extends ActionBarActivity {
+	public static final Logger log = LoggerFactory.getLogger(MapActivity.class);
+	MapView mMapView;
+	Map mMap;
+	MapPreferences mPrefs;
+
+	protected final int mContentView;
+
+	public MapActivity(int contentView) {
+		mContentView = contentView;
+	}
+
+	public MapActivity() {
+		this(R.layout.activity_map);
+	}
+
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(mContentView);
+
+		mMapView = (MapView) findViewById(R.id.mapView);
+		mMap = mMapView.map();
+		mPrefs = new MapPreferences(MapActivity.class.getName(), this);
+	}
+
+	@Override
+	protected void onResume() {
+		super.onResume();
+
+		mPrefs.load(mMapView.map());
+		mMapView.onResume();
+	}
+
+	@Override
+	protected void onPause() {
+		super.onPause();
+
+		mMapView.onPause();
+		mPrefs.save(mMapView.map());
+	}
+
+}