Fix spacing in activity icon dialog.

MyTracks/res/layout/choose_activity_type.xml

@@ -18,7 +18,6 @@ limitations under the License.
   android:layout_height="wrap_content"
   android:layout_width="match_parent"
   android:numColumns="4"
-  android:paddingBottom="20dp"
-  android:paddingTop="20dp"
-  android:stretchMode="columnWidth"
-  android:verticalSpacing="20dp" />
+  android:padding="4dp"
+  android:stretchMode="spacingWidth"
+  android:verticalSpacing="4dp" />

MyTracks/src/com/google/android/apps/mytracks/fragments/ChooseActivityTypeDialogFragment.java

@@ -22,6 +22,8 @@ import com.google.android.maps.mytracks.R;
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
+import android.graphics.BitmapFactory;
+import android.graphics.BitmapFactory.Options;
 import android.os.Bundle;
 import android.support.v4.app.DialogFragment;
 import android.view.View;
@@ -34,14 +36,14 @@ import java.util.List;
 
 /**
  * A DialogFragment to choose an activity type.
- * 
+ *
  * @author apoorvn
  */
 public class ChooseActivityTypeDialogFragment extends DialogFragment {
 
   /**
    * Interface for caller of this dialog fragment.
-   * 
+   *
    * @author apoorvn
    */
   public interface ChooseActivityTypeCaller {
@@ -69,8 +71,8 @@ public class ChooseActivityTypeDialogFragment extends DialogFragment {
 
   @Override
   public Dialog onCreateDialog(Bundle savedInstanceState) {
-    GridView gridView = (GridView) getActivity()
-        .getLayoutInflater().inflate(R.layout.choose_activity_type, null);
+    GridView gridView =
+        (GridView) getActivity().getLayoutInflater().inflate(R.layout.choose_activity_type, null);
 
     final List<String> iconValues = TrackIconUtils.getAllIconValues();
     List<Integer> imageIds = new ArrayList<Integer>();
@@ -78,11 +80,19 @@ public class ChooseActivityTypeDialogFragment extends DialogFragment {
       imageIds.add(TrackIconUtils.getIconDrawable(iconValue));
     }
 
-    ChooseActivityTypeImageAdapter imageAdapter = new ChooseActivityTypeImageAdapter(
-        getActivity(), imageIds);
+    Options options = new BitmapFactory.Options();
+    options.inJustDecodeBounds = true;
+    BitmapFactory.decodeResource(getResources(), R.drawable.track_airplane, options);
+    int padding = 32;
+    int width = options.outWidth + 2 * padding;
+    int height = options.outHeight + 2 * padding;
+    gridView.setColumnWidth(width);
+
+    ChooseActivityTypeImageAdapter imageAdapter =
+        new ChooseActivityTypeImageAdapter(getActivity(), imageIds, width, height, padding);
     gridView.setAdapter(imageAdapter);
     gridView.setOnItemClickListener(new OnItemClickListener() {
-        @Override
+      @Override
       public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
         dismiss();
         caller.onChooseActivityTypeDone(iconValues.get(position));
@@ -92,4 +102,4 @@ public class ChooseActivityTypeDialogFragment extends DialogFragment {
     return new AlertDialog.Builder(getActivity()).setNegativeButton(R.string.generic_cancel, null)
         .setTitle(R.string.track_edit_activity_type_hint).setView(gridView).create();
   }
-}
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/ChooseActivityTypeImageAdapter.java

@@ -26,17 +26,24 @@ import java.util.List;
 
 /**
  * Image adapter for choosing an activity type.
- * 
+ *
  * @author apoorvn
  */
 public class ChooseActivityTypeImageAdapter extends BaseAdapter {
 
   private final Context context;
   private final List<Integer> imageIds;
+  private final int width;
+  private final int height;
+  private final int padding;
 
-  public ChooseActivityTypeImageAdapter(Context context, List<Integer> imageIds) {
+  public ChooseActivityTypeImageAdapter(
+      Context context, List<Integer> imageIds, int width, int height, int padding) {
     this.context = context;
     this.imageIds = imageIds;
+    this.width = width;
+    this.height = height;
+    this.padding = padding;
   }
 
   @Override
@@ -63,6 +70,9 @@ public class ChooseActivityTypeImageAdapter extends BaseAdapter {
       imageView = (ImageView) convertView;
     }
     imageView.setImageResource(imageIds.get(position));
+    imageView.setMinimumHeight(height);
+    imageView.setMinimumWidth(width);
+    imageView.setPadding(padding, padding, padding, padding);
     return imageView;
   }
 }

MyTracks/src/com/google/android/apps/mytracks/util/TrackIconUtils.java

@@ -27,7 +27,7 @@ import java.util.List;
 
 /**
  * Utilities for track icon.
- * 
+ *
  * @author Jimmy Shih
  */
 public class TrackIconUtils {
@@ -43,48 +43,52 @@ public class TrackIconUtils {
 
   private TrackIconUtils() {}
 
-  private static LinkedHashMap<String, Pair<Integer, Integer>>
-      map = new LinkedHashMap<String, Pair<Integer, Integer>>();
+  private static LinkedHashMap<String, Pair<Integer, Integer>> map =
+      new LinkedHashMap<String, Pair<Integer, Integer>>();
 
   static {
-    map.put(AIRPLANE,
-        new Pair<Integer, Integer>(R.string.activity_type_airplane, R.drawable.track_airplane));
+    map.put(RUN, new Pair<Integer, Integer>(R.string.activity_type_running, R.drawable.track_run));
+    map.put(
+        WALK, new Pair<Integer, Integer>(R.string.activity_type_walking, R.drawable.track_walk));
     map.put(BIKE, new Pair<Integer, Integer>(R.string.activity_type_biking, R.drawable.track_bike));
-    map.put(BOAT, new Pair<Integer, Integer>(R.string.activity_type_boat, R.drawable.track_boat));
     map.put(
         DRIVE, new Pair<Integer, Integer>(R.string.activity_type_driving, R.drawable.track_drive));
-    map.put(RUN, new Pair<Integer, Integer>(R.string.activity_type_running, R.drawable.track_run));
     map.put(SKI, new Pair<Integer, Integer>(R.string.activity_type_skiing, R.drawable.track_ski));
     map.put(SNOW_BOARDING, new Pair<Integer, Integer>(
         R.string.activity_type_snow_boarding, R.drawable.track_snow_boarding));
-    map.put(
-        WALK, new Pair<Integer, Integer>(R.string.activity_type_walking, R.drawable.track_walk));
+    map.put(AIRPLANE,
+        new Pair<Integer, Integer>(R.string.activity_type_airplane, R.drawable.track_airplane));
+    map.put(BOAT, new Pair<Integer, Integer>(R.string.activity_type_boat, R.drawable.track_boat));
   }
 
-  private static int[] airplane = new int[] { R.string.activity_type_airplane,
-      R.string.activity_type_commercial_airplane, R.string.activity_type_rc_airplane };
-  private static int[] bike = new int[] { R.string.activity_type_biking,
-      R.string.activity_type_cycling, R.string.activity_type_dirt_bike,
-      R.string.activity_type_motor_bike, R.string.activity_type_mountain_biking,
-      R.string.activity_type_road_biking, R.string.activity_type_track_cycling };
-  private static int[] boat = new int[] { R.string.activity_type_boat, R.string.activity_type_ferry,
-      R.string.activity_type_motor_boating, R.string.activity_type_rc_boat };
-  private static int[] drive = new int[] { R.string.activity_type_atv,
-      R.string.activity_type_driving, R.string.activity_type_driving_bus,
-      R.string.activity_type_driving_car };
-  private static int[] run = new int[] { R.string.activity_type_running,
-      R.string.activity_type_street_running, R.string.activity_type_track_running,
-      R.string.activity_type_trail_running };
-  private static int[] ski = new int[] {
-      R.string.activity_type_cross_country_skiing, R.string.activity_type_skiing };
-  private static int[] snowBoarding = new int[] { R.string.activity_type_snow_boarding };
-  private static int[] walk = new int[] { R.string.activity_type_hiking,
+  private static int[] airplane = new int[] {
+      R.string.activity_type_airplane, R.string.activity_type_commercial_airplane,
+      R.string.activity_type_rc_airplane};
+  private static int[] bike = new int[] {R.string.activity_type_biking,
+      R.string.activity_type_cycling,
+      R.string.activity_type_dirt_bike,
+      R.string.activity_type_motor_bike,
+      R.string.activity_type_mountain_biking,
+      R.string.activity_type_road_biking,
+      R.string.activity_type_track_cycling};
+  private static int[] boat = new int[] {R.string.activity_type_boat, R.string.activity_type_ferry,
+      R.string.activity_type_motor_boating, R.string.activity_type_rc_boat};
+  private static int[] drive = new int[] {
+      R.string.activity_type_atv, R.string.activity_type_driving,
+      R.string.activity_type_driving_bus, R.string.activity_type_driving_car};
+  private static int[] run = new int[] {
+      R.string.activity_type_running, R.string.activity_type_street_running,
+      R.string.activity_type_track_running, R.string.activity_type_trail_running};
+  private static int[] ski =
+      new int[] {R.string.activity_type_cross_country_skiing, R.string.activity_type_skiing};
+  private static int[] snowBoarding = new int[] {R.string.activity_type_snow_boarding};
+  private static int[] walk = new int[] {R.string.activity_type_hiking,
       R.string.activity_type_off_trail_hiking, R.string.activity_type_speed_walking,
-      R.string.activity_type_trail_hiking, R.string.activity_type_walking };
+      R.string.activity_type_trail_hiking, R.string.activity_type_walking};
 
   /**
    * Gets the icon drawable.
-   * 
+   *
    * @param iconValue the icon value
    */
   public static int getIconDrawable(String iconValue) {
@@ -97,7 +101,7 @@ public class TrackIconUtils {
 
   /**
    * Gets the icon activity type.
-   * 
+   *
    * @param iconValue the icon value
    */
   public static int getIconActivityType(String iconValue) {
@@ -121,7 +125,7 @@ public class TrackIconUtils {
 
   /**
    * Gets the icon value.
-   * 
+   *
    * @param context the context
    * @param activityType the activity type
    */
@@ -155,7 +159,7 @@ public class TrackIconUtils {
 
   /**
    * Returns true if the activity type is in the list.
-   * 
+   *
    * @param context the context
    * @param activityType the activity type
    * @param list the list