Example usage for android.view SubMenu setHeaderIcon

Introduction

In this page you can find the example usage for android.view SubMenu setHeaderIcon.

Prototype

public SubMenu setHeaderIcon(Drawable icon);

Source Link

Document

Sets the submenu header's icon to the icon given in icon Drawable .

Usage

From source file:com.native5.plugins.ActionBarPlugin.java

private boolean buildMenu(Menu menu, JSONArray definition, String menu_var) {
    // Sadly MenuItem.setIcon and SubMenu.setIcon have conficting return types (for chaining), thus this can't be done w/ generics :(
    class GetMenuItemIconTask extends AsyncTask<String, Void, Drawable> {
        public final MenuItem item;
        public Exception exception = null;

        GetMenuItemIconTask(MenuItem item) {
            this.item = item;
        }//  w ww  .  j  av a 2  s.  com

        @Override
        protected Drawable doInBackground(String... uris) {
            return getDrawableForURI(uris[0]);
        }

        @Override
        protected void onPostExecute(Drawable icon) {
            if (icon != null) {
                item.setIcon(icon);
            }
        }
    }
    ;

    class GetSubMenuIconTask extends AsyncTask<String, Void, Drawable> {
        public final SubMenu item;
        public Exception exception = null;

        GetSubMenuIconTask(SubMenu item) {
            this.item = item;
        }

        @Override
        protected Drawable doInBackground(String... uris) {
            return getDrawableForURI(uris[0]);
        }

        @Override
        protected void onPostExecute(Drawable icon) {
            if (icon != null) {
                item.setIcon(icon);
            }
        }
    }
    ;

    try {
        for (int i = 0; i < definition.length(); ++i) {
            final JSONObject item_def = definition.getJSONObject(i);
            final String text = item_def.isNull("text") ? "" : item_def.getString("text");

            if (!item_def.has("items")) {
                MenuItem item = menu.add(0, i, i, text);
                item.setTitleCondensed(text);
                if (item_def.isNull("icon") == false) {
                    GetMenuItemIconTask task = new GetMenuItemIconTask(item);

                    synchronized (task) {
                        task.execute(item_def.getString("icon"));
                    }
                }

                // Default to MenuItem.SHOW_AS_ACTION_IF_ROOM, otherwise take user defined value.
                item.setShowAsAction(item_def.has("show") ? item_def.getInt("show")
                        : MenuItem.SHOW_AS_ACTION_IF_ROOM | MenuItem.SHOW_AS_ACTION_WITH_TEXT);

                menu_callbacks.put(item,
                        "var item = " + menu_var + "[" + i + "]; if(item.click) item.click();");
            } else {
                SubMenu submenu = menu.addSubMenu(0, i, i, text);
                if (item_def.isNull("icon") == false) {
                    GetSubMenuIconTask task = new GetSubMenuIconTask(submenu);

                    synchronized (task) {
                        task.execute(item_def.getString("icon"));
                    }
                }

                // Set submenu header
                if (item_def.has("header")) {
                    JSONObject header = item_def.getJSONObject("header");

                    if (header.has("title")) {
                        submenu.setHeaderTitle(header.getString("title"));
                    }

                    if (header.has("icon")) {
                        submenu.setHeaderIcon(getDrawableForURI(header.getString("icon")));
                    }
                }

                // Build sub-menu
                buildMenu(submenu, item_def.getJSONArray("items"), menu_var + "[" + i + "].items");
            }
        }
    } catch (JSONException e) {
        return false;
    }

    return true;
}

---