我有與Srno,項目名稱,數量和價格的listview。我想添加價格,並顯示其在下面的文本視圖中的總覽listview.I已經嘗試過,但它顯示我0在我的textview.When我點擊TextView的它給我的Toast.I總價已經使用的setText但總價在Textview.Following不顯示是我的代碼 -爲了得到總價
Trial.java
public class Trial extends Activity {
ListView listnew;
ArrayList<Integer> sr1;
ArrayList<String> item1;
ArrayList<Integer> data;
ArrayList<Integer> price;
TextView textViewTotalAmt,textViewamount;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.trial);
data = new ArrayList<>();
price = new ArrayList<>();
listnew = (ListView) findViewById(R.id.newlist);
textViewTotalAmt=(TextView)findViewById(R.id.total);
textViewamount=(TextView)findViewById(R.id.amountdisplay);
textViewamount.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(Trial.this," "+getTotal(price),Toast.LENGTH_SHORT).show();
}
});
textViewamount.setText(" "+getTotal(price));
Bundle bundle = getIntent().getExtras();
sr1 = bundle.getIntegerArrayList("sr");
item1 = bundle.getStringArrayList("item");
data = bundle.getIntegerArrayList("qty");
price = bundle.getIntegerArrayList("price");
ArrayList<Integer> qty = new ArrayList<>();
ArrayList<String> name = new ArrayList<>();
ArrayList<Integer> srn = new ArrayList<>();
ArrayList<Integer> ps = new ArrayList<>();
for(int i=0;i<data.size();i++){
if(data.get(i)>0){
qty.add(data.get(i));
name.add(item1.get(i));
srn.add(sr1.get(i));
ps.add(price.get(i));
}
}
sr1.clear();
sr1.addAll(srn);
item1.clear();
item1.addAll(name);
data.clear();
data.addAll(qty);
price.clear();
price.addAll(ps);
Custom_Trial ct = new Custom_Trial(this,sr1, item1, data, price);
listnew.setAdapter(ct);
getTotal(price);
}
public int getTotal(ArrayList<Integer> price){
int total=0;
for(int i=0;i<price.size();i++){
total= total+Integer.parseInt(String.valueOf(price.get(i)));
}
return total;
}
}
textViewamount.setText(「」+ getTotal(price));在將任何項目添加到價目表之前調用此方法。設置textViewamount文本後添加價格元素列表, – user7676575
move textViewamount.setText(「」+ getTotal(price));從捆綁價格獲得價格後的行= bundle.getIntegerArrayList(「price」); –