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ViewHolderAdapter

该适配器是通过 ViewHolder 来缓存AdapterView 中视图的适配器,通过简单的封装来达到 AdapterView 性能的提升。

如何使用

点击查看 ViewHolderAdapterSample

核心代码片段 (就是如此简单)

class LampAdapter extends ViewHolderAdapter<Lamp> {

	public LampAdapter(Context context, int layoutRes) {
		super(context, layoutRes);
	}

	@Override
	protected void bindData(int pos, final Lamp itemData) {
		
		// get view from ViewHolder	
		TextView type = getViewFromHolder(R.id.title);
		final CheckBox checkBox= getViewFromHolder(R.id.checkBox);
		
		type.setText(itemData.getType());
		checkBox.setChecked(itemData.isTurnon());
		updateCheckBoxStatus(checkBox, itemData.isTurnon());
		
		checkBox.setOnClickListener(new View.OnClickListener() {
			
			@Override
			public void onClick(View arg0) {
				itemData.setTurnon(!itemData.isTurnon());
				updateCheckBoxStatus(checkBox, itemData.isTurnon());
			}
		});
	}
	
	private void updateCheckBoxStatus(CheckBox checkBox, boolean isTurnOn) {
		checkBox.setText( isTurnOn ? "ON" : "OFF" );
	}

}

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