Java tutorial
//package com.java2s; /** * Sparse rss * * Copyright (c) 2012 Stefan Handschuh * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * * ============================================================================== * This helper class is needed for older Android versions that verify all * existing references on startup. */ import android.app.Activity; import android.graphics.drawable.Drawable; public class Main { private static final String METHOD_GETACTIONBAR = "getActionBar"; private static final String METHOD_SETICON = "setIcon"; public static void setActionBarDrawable(Activity activity, Drawable drawable) { try { Object actionBar = Activity.class.getMethod(METHOD_GETACTIONBAR).invoke(activity); actionBar.getClass().getMethod(METHOD_SETICON, Drawable.class).invoke(actionBar, drawable); } catch (Exception e) { } } }