購物車的主方法——————————————購物車
public class MainActivity extends AppCompatActivity implements BaseView<String> {
private RecyclerView mRlvShopcart; /** * 全選 */ private TextView mTvShopcartAddselect; /** * 總價：¥0 */ private TextView mTvShopcartTotalprice; /** * 共0件商品 */ private TextView mTvShopcartTotalnum; /** * 去結算 */ private TextView mTvShopcartSubmit; private LinearLayout mLlPay; private RelativeLayout mRlShopcartHave; private PresenetrImpl presenetr; private boolean flag; private GouAdapter gouAdapter; private List<NewaBean.DataBean> data; private int total = 0;
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // 初始化控制元件 initView();
// 註冊Eventbus EventBus.getDefault().register(this);
// 初始化P層 presenetr = new PresenetrImpl();
// 繫結 presenetr.onAttachView(this);
presenetr.getData();
}
private void initView() { mRlvShopcart = findViewById(R.id.rlv_shopcart); mTvShopcartAddselect = (TextView) findViewById(R.id.tv_shopcart_addselect); mTvShopcartTotalprice = (TextView) findViewById(R.id.tv_shopcart_totalprice); mTvShopcartTotalnum = (TextView) findViewById(R.id.tv_shopcart_totalnum); mTvShopcartSubmit = (TextView) findViewById(R.id.tv_shopcart_submit); mLlPay = (LinearLayout) findViewById(R.id.ll_pay); mRlShopcartHave = (RelativeLayout) findViewById(R.id.rl_shopcart_have); }
@Override public void onSuccess(final String s) { runOnUiThread(new Runnable() { @Override public void run() { // Toast.makeText(MainActivity.this, s, Toast.LENGTH_SHORT).show();
// 獲取Bean Gson gson = new Gson(); NewaBean newaBean = gson.fromJson(s, NewaBean.class); data = newaBean.getData();
// 展示 mRlvShopcart.setLayoutManager(new LinearLayoutManager(MainActivity.this)); gouAdapter = new GouAdapter(MainActivity.this, data); mRlvShopcart.setAdapter(gouAdapter);
selectAll(data);
mTvShopcartAddselect.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { flag = !flag;
selectAll(data); } });
} }); }
private void selectAll(List<NewaBean.DataBean> data) { if (flag){ mTvShopcartAddselect.setCompoundDrawablesWithIntrinsicBounds(R.drawable.shopcart_selected,0,0,0); for (int i = 0; i < data.size(); i++) { for (int j = 0; j < data.get(i).getList().size(); j++) { data.get(i).setSelect(true); data.get(i).getList().get(j).setSelected(1); } } }else{ mTvShopcartAddselect.setCompoundDrawablesWithIntrinsicBounds(R.drawable.shopcart_unselected,0,0,0); for (int i = 0; i < data.size(); i++) { for (int j = 0; j < data.get(i).getList().size(); j++) { data.get(i).setSelect(false); data.get(i).getList().get(j).setSelected(0); } } } EventBus.getDefault().post(new MyMessage("2")); gouAdapter.notifyDataSetChanged(); }
@Override public void onErrer() {
}
// 銷燬
@Override protected void onDestroy() { super.onDestroy();
if (presenetr.isAttachView()){ presenetr.onDestory(); }
if (EventBus.getDefault().isRegistered(this)){ EventBus.getDefault().unregister(this); } }
@Subscribe(threadMode = ThreadMode.MAIN) public void AllPrice(MyMessage myMessage){
total = 0; for (int i = 0; i < data.size(); i++) { for (int j = 0; j < data.get(i).getList().size(); j++) {
if (data.get(i).getList().get(j).getSelected() % 2 ==1){ total += (int) (data.get(i).getList().get(j).getNum() * data.get(i).getList().get(j).getPrice()); }
} }
mTvShopcartTotalprice.setText(String.valueOf(total)); }
}