android-genericadapter

Adapters but simple. Save all the boilerplate code.

GenericAdapter provide a powerfull Adapter for ListViews and ExpandableListViews which will save you a lot of time writing common boilerplate code.

'Intelligent ViewHolder'

The intelligent ViewHolder is a construct which will remeber what Views are used on all your inflated layouts in a particular adapter. When inflating a new item this information will be taken and Views will get imported. As a result you don't have to fill a ViewHolder manually.

Layout inheritance

Sometimes you have multiple Classes which inherite from each other. Let's think about a 'Parent' which inherits from a 'GrandParent' class. 'GenericAdapter' will automatically detect that Parent inherits from 'GrandParent' and, if there is no other callback defined for 'Parent' object, they will be rendered like 'GrandParents'.

Usage Example

	adapter = new GenericAdapter();
	// render GrandParents
	adapter.registerGroupView(R.layout.row_family_member, GrandParent.class,
		new IAdapterCallback<GrandParent>() {

			@Override
			public void fillView(GrandParent item, int position, ViewHolder viewHolder) {
				viewHolder.getTextView(R.id.tvRelation).setText("GrandParent");
				viewHolder.getTextView(R.id.tvName).setText(item.getName());
		  	}
	});
			
	// render Parents
	adapter.registerGroupView(R.layout.row_family_member, Parent.class,
		new IAdapterCallback<Parent>() {

			@Override
			public void fillView(Parent item, int position, ViewHolder viewHolder) {
				viewHolder.getTextView(R.id.tvRelation).setText("Parent");
				viewHolder.getTextView(R.id.tvName).setText(item.getName());
			}
	});

Note: Due to layout inheritance, objects from type 'Child' which will inherit from 'Parent' will be rendered as 'Parents' since it's the best approximation. Of course, you can specify a callback for 'Child' objects as well.

Contribute

Feel free to work on GenericAdapter and submit Pull Requests.