android-ui

I read article (Android Developers) on 9patch PNG in Android. But I'm not getting what is the real use of it ? If i use Gradient Image then it is going to behave same as 9Patch PNG. I had discussion with my graphics designer, he was telling me that it is same as Image Repeat used in CSS. Is it so ? -Thanks No it's not the same. Think about a button you want to give a new look. With the 9patch way you simply design your button's design in a image editing program like e.g. Photoshop and save it to a png file. After this you open it with the Android SDK's 9patch png tool and define the areas

Is it possible to customize tab bar in android? Customize in the sense, like in iPhone, the tab bar is at the bottom of the screen; in Android, can we place the tab bar at the bottom and its content on top of it? Herry Yes It is Possible to make custom Tab Bar in android like as in iphone you can get that from link . visit here 来源： https://stackoverflow.com/questions/3911887/custom-tab-bar-in-android

I've implemented a DrawerLayout with this tutorial and everything works fine. @Override public boolean onPrepareOptionsMenu(Menu menu) { // if nav drawer is opened, hide the action items boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList); menu.findItem(R.id.action_settings).setVisible(!drawerOpen); return super.onPrepareOptionsMenu(menu); } onPrepareOptionsMenu simply toggles the menu visibility in one shot. But I'd like to slowly animate the alpha value of my menu items as the drawer slides. i want it should be invisible slowly while opening the navigation drawer A really simple way

In the Facebook app v2.3, when you navigate from one activity(or frgament?) to another, the actionbar stays fixed across all activities(or fragments?). For example, If you navigate from you news feed to someone's profile page, then the action bar stays constant, and the page below is refreshed. So my question is, is it possible to have this behavior using only activities? Or should i just have one main activity, and fragments for all sub activities? One activity and as many fragments as you need. the moment you call startActivity(intent); the framework will roll the activity transition

How can I skip some cells in grid view. I mean I have next source: public class ImageAdapter extends BaseAdapter { private Context mContext; public ImageAdapter(Context c) { mContext = c; } public int getCount() { return mThumbIds.length; } public Object getItem(int position) { return null; } public long getItemId(int position) { return 0; } // create a new ImageView for each item referenced by the Adapter public View getView(int position, View convertView, ViewGroup parent) { ImageView imageView; if (convertView == null) { // if it's not recycled, initialize some attributes imageView = new