Clean up settings shortcuts

- Remove some bad entries
 - Fix icons to be top-level item specific
 - Add memory

Bug: 20632230
Change-Id: I067b467b9ee354b52ef61b312dc5a89fd7eae2ac

src/com/android/settings/CreateShortcut.java

@@ -17,18 +17,33 @@
 package com.android.settings;
 
 import android.app.LauncherActivity;
+import android.content.Context;
 import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
+import android.graphics.Bitmap;
+import android.graphics.Bitmap.Config;
+import android.graphics.Canvas;
+import android.view.ContextThemeWrapper;
+import android.view.LayoutInflater;
 import android.view.View;
+import android.view.View.MeasureSpec;
+import android.widget.ImageView;
 import android.widget.ListView;
 
 import com.android.settings.Settings.TetherSettingsActivity;
+import com.android.settings.dashboard.DashboardCategory;
+import com.android.settings.dashboard.DashboardTile;
 import com.android.settingslib.TetherUtil;
 
+import java.util.ArrayList;
 import java.util.List;
 
 public class CreateShortcut extends LauncherActivity {
 
+    private static final String TOP_LEVEL_HEADER = "com.android.settings.TOP_LEVEL_HEADER_ID";
+
     @Override
     protected Intent getTargetIntent() {
         Intent targetIntent = new Intent(Intent.ACTION_MAIN, null);
@@ -46,10 +61,45 @@ public class CreateShortcut extends LauncherActivity {
                 Intent.ShortcutIconResource.fromContext(this, R.mipmap.ic_launcher_settings));
         intent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
         intent.putExtra(Intent.EXTRA_SHORTCUT_NAME, itemForPosition(position).label);
+        ResolveInfo resolveInfo = itemForPosition(position).resolveInfo;
+        ActivityInfo activityInfo = resolveInfo.activityInfo;
+        if (activityInfo.metaData != null && activityInfo.metaData.containsKey(TOP_LEVEL_HEADER)) {
+            int topLevelId = activityInfo.metaData.getInt(TOP_LEVEL_HEADER);
+            int resourceId = getDrawableResource(topLevelId);
+            intent.putExtra(Intent.EXTRA_SHORTCUT_ICON, createIcon(resourceId));
+        }
         setResult(RESULT_OK, intent);
         finish();
     }
 
+    private Bitmap createIcon(int resource) {
+        Context context = new ContextThemeWrapper(this, android.R.style.Theme_Material_Light);
+        View view = LayoutInflater.from(context).inflate(R.layout.shortcut_badge, null);
+        ((ImageView) view.findViewById(android.R.id.icon)).setImageResource(resource);
+
+        int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
+        view.measure(spec, spec);
+        Bitmap bitmap = Bitmap.createBitmap(view.getMeasuredWidth(), view.getMeasuredHeight(),
+                Config.ARGB_8888);
+        Canvas canvas = new Canvas(bitmap);
+        view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
+        view.draw(canvas);
+        return bitmap;
+    }
+
+    private int getDrawableResource(int topLevelId) {
+        ArrayList<DashboardCategory> categories = new ArrayList<>();
+        SettingsActivity.loadCategoriesFromResource(R.xml.dashboard_categories, categories, this);
+        for (DashboardCategory category : categories) {
+            for (DashboardTile tile : category.tiles) {
+                if (tile.id == topLevelId) {
+                    return tile.iconRes;
+                }
+            }
+        }
+        return 0;
+    }
+
     @Override
     protected boolean onEvaluateShowIcons() {
         return false;
@@ -60,7 +110,8 @@ public class CreateShortcut extends LauncherActivity {
      * implementation queries for activities.
      */
     protected List<ResolveInfo> onQueryPackageManager(Intent queryIntent) {
-        List<ResolveInfo> activities = super.onQueryPackageManager(queryIntent);
+        List<ResolveInfo> activities = getPackageManager().queryIntentActivities(queryIntent,
+                PackageManager.GET_META_DATA);
         if (activities == null) return null;
         for (int i = activities.size() - 1; i >= 0; i--) {
             ResolveInfo info = activities.get(i);