Android通過構造函數傳遞數據

【聲明】轉載請註明出處，此文出自指尖飛落的博客：http://blog.csdn.net/huntersnail

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界面No.1

List<Integer> redNums=new ArrayList<Integer>();
List<Integer> blueNums=new ArrayList<Integer>();
		
//設置紅球適配器
PoolAdapter redAdapter=new PoolAdapter(context,33,redNums,R.drawable.id_redball);
redContainer.setAdapter(redAdapter);
		
//設置藍球適配器
PoolAdapter blueAdapter=new PoolAdapter(context,16,blueNums,R.drawable.id_blueball);
blueContainer.setAdapter(blueAdapter)

界面No.2

/**
 * 雙色球選號容器GridView的適配器
 * @author Administrator
 * 2015-7-16 16:49:02
 */
public class PoolAdapter extends BaseAdapter {

	private Context context;
	
	private int endNum;

	//選中後的紅籃球的集合
	private List<Integer> selectNums;
	
	private int selectBgResId;
	//通過構造函數傳遞數據
	public PoolAdapter(Context context, int endNum) {
		super();
		this.context = context;
		this.endNum = endNum;
	}		
		
	//通過構造函數傳遞數據
	public PoolAdapter(Context context, int endNum, List<Integer> selectNums) {
		super();
		this.context = context;
		this.endNum = endNum;
		this.selectNums = selectNums;
	}

	public PoolAdapter(Context context, int endNum, List<Integer> selectNums,
			int selectBgResId) {
		super();
		this.context = context;
		this.endNum = endNum;
		this.selectNums = selectNums;
		this.selectBgResId = selectBgResId;
	}

	@Override
	public int getCount() {
		return endNum;
	}

	@Override
	public Object getItem(int position) {
		return position;
	}

	@Override
	public long getItemId(int position) {
		return position;
	}

	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
		TextView ball=new TextView(context);
		//字符串格式化
		DecimalFormat decimalFormat=new DecimalFormat("00");
		//這裏不能直接設置position+1，必須格式化拼接
		ball.setText(decimalFormat.format(position+1));
		
		//設置背景資源
		//彩票選中的球設置成紅色背景
		if (selectNums.contains(position)) {
			ball.setBackgroundResource(selectBgResId);
		}else {
			//沒有選中則是默認背景
			ball.setBackgroundResource(R.drawable.id_defalut_ball);	
		}
		ball.setTextSize(16);
		//文字居中
		ball.setGravity(Gravity.CENTER);
		return ball;
	}
}

O(∩_∩)O哈哈~歡迎各種吐槽、鄙視、指教、交流......

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