Android 自带图标库(转)

摘要： Android™ 2.1 android.R.drawable Icon ResourcesThis is a list of resources in Android 2.1's android.R.drawable that might be useful as icons in your Android applications. You can use them like this:Java Usage example:myMenuItem.setIcon(android.R.drawable.ic_menu_save);Resource Usage example:andro 阅读全文
posted @ 2012-12-31 11:57 Fish753 阅读(304) 评论(0) 推荐(0)

Android 两次按Back键退出应用(转)

摘要： private long exitTime = 0; @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if(keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_DOWN){ if((System.currentTimeMillis()-exitTime) > 2000){ Toast.makeText(getApplicationContext(), "再按一次退出程序", T 阅读全文
posted @ 2012-12-31 11:43 Fish753 阅读(153) 评论(0) 推荐(0)