Android购物车动态添加
16lz
2021-12-04
public class AddView extends LinearLayout implements View.OnClickListener { private final TextView viewById; private final ImageView btn_jian; private final ImageView btn_add; int max_num=4;//最大值 int min_num=0;//最小值 int deful_num=0;//默认值 /** * 通过默认值与最大值对比 设置默认值 * @param context */// public AddView(Context context) {// this(context,null);// }//// public AddView(Context context, AttributeSet attrs) {// this(context, null,0);// } public AddView(Context context, AttributeSet attrs) { super(context, attrs); View inflate = View.inflate(context, R.layout.addview, this); viewById = (TextView) inflate.findViewById(R.id.tv); btn_jian = ( ImageView) inflate.findViewById(R.id.btn_jian); btn_add = ( ImageView) inflate.findViewById(R.id.btn_add); int deful_num = getDeful_num(); setDeful_num(deful_num); btn_add.setOnClickListener(this); btn_jian.setOnClickListener(this); } public void onClick(View view){ switch (view.getId()){ case R.id.btn_add: // Toast.makeText(getContext(), "----", Toast.LENGTH_SHORT).show(); addNum(view); break; case R.id.btn_jian: //Toast.makeText(getContext(), "----", Toast.LENGTH_SHORT).show(); addJian(view); break; } } private void addJian(View view) { if(deful_num>min_num){ deful_num--; } setDeful_num(deful_num); if(OnListnerChanged!=null){ OnListnerChanged.changedNum(deful_num); } deleteGoods(view); } private void addNum(View view) { if(deful_num
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