我有listview，它有Sr，Itemname，Qty和price.I能够增加和减少它的价格。我有ViewView下面的View.It有两个问题。 1.当我点击它时，即使我搜索2,3或4项，我也可以搜索所需的项目名称，但只能搜索第一个项目名称的价格。我希望它必须取得该项目的价格。 2.搜索仅以第一个字母完成。如果我先写两个字母，则显示空白。 我希望通过2-3个字母进行搜索 这是我的代码 -
MainActivity.java
公共类MainActivity扩展Activity实现SearchView.OnQueryTextListener {
Button show;
ListView list_item;
private ArrayList<Integer> sr;
private ArrayList<String> item;
private ArrayList<Integer> quantity;
private ArrayList<Integer> price;
private ArrayList<Integer> sr1;
private ArrayList<String> item1;
private ArrayList<Integer> price1;
private ArrayList<Integer> data1;
SearchView searchView;
private ArrayList<String> filterlist;
public Custom custom;
int tshirtCount = 0;
int jeansCount = 0;
int shirtCount = 0;
int watchCount=0;
int tshirtPrice = 0;
int jeansPrice = 0;
int shirtPrice = 0;
int watchPrice=0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
list_item = (ListView) findViewById(R.id.listdetails);
searchView= (SearchView) findViewById(R.id.bfsearch);
getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);
show=(Button)findViewById(R.id.btnview);
sr = new ArrayList<>();
item = new ArrayList<>();
quantity = new ArrayList<>();
price = new ArrayList<>();
sr1 = new ArrayList<>();
item1 = new ArrayList<>();
data1= new ArrayList<>();
price1= new ArrayList<>();
filterlist = new ArrayList<>();
item = filterlist;
sr.add(1);
sr.add(2);
sr.add(3);
sr.add(4);
item.add("Tshirt");
item.add("Jeans");
item.add("Shirt");
item.add("Watch");
quantity.add(0);
quantity.add(0);
quantity.add(0);
quantity.add(0);
price.add(200);
price.add(500);
price.add(400);
price.add(650);
Custom c = new Custom(this, sr, item, quantity, price,sr1,item1,data1,price1);
list_item.setAdapter(c);
list_item.setTextFilterEnabled(true);
setUpview();
show.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent=new Intent(MainActivity.this,Trial.class);
Set<Integer> s = new LinkedHashSet<>();
s.addAll(sr);
sr.clear();
sr.addAll(s);
Set<String> ss = new LinkedHashSet<>();
ss.addAll(item);
item.clear();
item.addAll(ss);
data1.clear();
price1.clear();
for(Integer srn: sr){
if(srn==1){
data1.add(tshirtCount);
price1.add(tshirtPrice);
}
if(srn==2){
data1.add(jeansCount);
price1.add(jeansPrice);
}
if(srn==3){
data1.add(shirtCount);
price1.add(shirtPrice);
}
if(srn==4){
data1.add(watchCount);
price1.add(watchPrice);
}
}
intent.putExtra("sr",sr);
intent.putExtra("item",item);
intent.putExtra("qty",data1);
intent.putExtra("price",price1);
startActivity(intent);
}
});
}
public void setUpview(){
searchView.setOnQueryTextListener(this);
searchView.setQueryHint("Search here");
}
@Override
public boolean onQueryTextSubmit(String query) {
return false;
}
@Override
public boolean onQueryTextChange(String newText) {
list_item.setFilterText(newText);
return true;
}
}
Custom.java
public class Custom extends BaseAdapter implements Filterable {
MainActivity a;
public ArrayList<Integer> sr;
public ArrayList<String> item;
public ArrayList<Integer> quantity;
public ArrayList<Integer> price;
public ArrayList<Integer> sr1;
public ArrayList<String> item1;
public ArrayList<Integer> data1;
public ArrayList<Integer> price1;
public ArrayList<String> filterlist;
public Custom(MainActivity a, ArrayList<Integer> sr, ArrayList<String> item, ArrayList<Integer> quantity, ArrayList<Integer> price, ArrayList<Integer> sr1, ArrayList<String> item1, ArrayList<Integer> data1, ArrayList<Integer> price1) {
this.a = a;
this.sr = sr;
this.item = item;
this.quantity = quantity;
this.price = price;
this.sr1 = sr1;
this.item1 = item1;
this.data1 = data1;
this.price1 = price1;
}
@Override
public int getCount() {
return item.size();
}
@Override
public Object getItem(int position) {
return item.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public Filter getFilter() {
return new Filter() {
@Override
protected FilterResults performFiltering(CharSequence constraint) {
FilterResults results = new FilterResults();
String filterstr = constraint.toString().toUpperCase();
ArrayList<String> data = new ArrayList<>();
if (filterlist == null)
filterlist = item;
int count = filterlist.size();
String ft = " ";
for (int i = 0; i < count; i++) {
ft = filterlist.get(i);
if (ft.contains(filterstr)) {
data.add(ft);
}
}
results.values = data;
results.count = data.size();
return results;
}
@Override
protected void publishResults(CharSequence constraint, FilterResults results) {
item = (ArrayList<String>) results.values;
notifyDataSetChanged();
}
};
}
public class Holder{
TextView sr1,item1,qty1,price1;
Button pl,min;
}
public int getViewTypeCount() {
return 2;
}
@Override
public int getItemViewType(int position) {
return position%2;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
final Holder holder;
if (convertView == null) {
LayoutInflater inflater = a.getLayoutInflater();
convertView = inflater.inflate(R.layout.customlist, parent, false);
holder=new Holder();
holder.sr1 = (TextView) convertView.findViewById(R.id.s_no);
holder.item1 = (TextView) convertView.findViewById(R.id.i_name);
holder.qty1 = (TextView) convertView.findViewById(R.id.qty);
holder.price1 = (TextView) convertView.findViewById(R.id.pr);
holder.pl = (Button) convertView.findViewById(R.id.pl);
holder.min = (Button) convertView.findViewById(R.id.min);
convertView.setTag(holder);
} else {
holder = (Holder) convertView.getTag();
}
holder.sr1.setText(String.valueOf(sr.get(position)));
holder.item1.setText(item.get(position));
holder.qty1.setText(String.valueOf(quantity.get(position)));
holder.price1.setText(String.valueOf(price.get(position)));
holder.pl.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
switch (position) {
case 0:
if (a.tshirtCount >= 0) {
a.tshirtCount++;
a.tshirtPrice = a.tshirtPrice + 200;
sr.get(position);
item.get(position);
}
break;
case 1:
if (a.jeansCount >= 0) {
a.jeansCount++;
a.jeansPrice += 500;
sr.get(position);
item.get(position);
}
break;
case 2:
if (a.shirtCount >= 0) {
a.shirtCount++;
a.shirtPrice += 400;
sr.get(position);
item.get(position);
}
break;
case 3:
if(a.watchCount>=0){
a.watchCount++;
a.watchPrice +=650;
sr.get(position);
item.get(position);
}
break;
}
if(position==0)
{
holder.qty1.setText(String.valueOf(a.tshirtCount));
holder.price1.setText(String.valueOf(a.tshirtPrice));
sr1.add(sr.get(position));
item1.add(item.get(position));
data1.add(a.tshirtCount);
price1.add(a.tshirtPrice);
}
else if(position==1)
{
holder.qty1.setText(String.valueOf(a.jeansCount));
holder.price1.setText(String.valueOf(a.jeansPrice));
sr1.add(sr.get(position));
item1.add(item.get(position));
data1.add(a.jeansCount);
price1.add(a.jeansPrice);
}
else if(position==2)
{
holder.qty1.setText(String.valueOf(a.shirtCount));
holder.price1.setText(String.valueOf(a.shirtPrice));
sr1.add(sr.get(position));
item1.add(item.get(position));
data1.add(a.shirtCount);
price1.add(a.shirtPrice);
}
else if(position==3)
{
holder.qty1.setText(String.valueOf(a.watchCount));
holder.price1.setText(String.valueOf(a.watchPrice));
sr1.add(sr.get(position));
item1.add(item.get(position));
data1.add(a.watchCount);
price1.add(a.watchPrice);
}
}
});
holder.min.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
switch (position) {
case 0:
if (a.tshirtCount > 0) {
a.tshirtCount--;
a.tshirtPrice -= 200;
sr.get(position);
item.get(position);
}
break;
case 1:
if (a.jeansCount > 0) {
a.jeansCount--;
a.jeansPrice -= 500;
sr.get(position);
item.get(position);
}
break;
case 2:
if (a.shirtCount > 0) {
a.shirtCount--;
a.shirtPrice -= 400;
sr.get(position);
item.get(position);
}
break;
case 3:
if(a.watchCount > 0){
a.watchCount--;
a.watchPrice-=650;
sr.get(position);
item.get(position);
}
break;
}
if(position==0)
{
holder.qty1.setText(String.valueOf(a.tshirtCount));
holder.price1.setText(String.valueOf(a.tshirtPrice));
sr1.add(sr.get(position));
item1.add(item.get(position));
data1.add(a.tshirtCount);
price1.add(a.tshirtPrice);
}
else if(position==1)
{
holder.qty1.setText(String.valueOf(a.jeansCount));
holder.price1.setText(String.valueOf(a.jeansPrice));
sr1.add(sr.get(position));
item1.add(item.get(position));
data1.add(a.jeansCount);
price1.add(a.jeansPrice);
}
else if(position==2)
{
holder.qty1.setText(String.valueOf(a.shirtCount));
holder.price1.setText(String.valueOf(a.shirtPrice));
sr1.add(sr.get(position));
item1.add(item.get(position));
data1.add(a.shirtCount);
price1.add(a.shirtPrice);
}
else if(position==3)
{
holder.qty1.setText(String.valueOf(a.watchCount));
holder.price1.setText(String.valueOf(a.watchPrice));
sr1.add(sr.get(position));
item1.add(item.get(position));
data1.add(a.watchCount);
price1.add(a.watchPrice);
}
}
});
return convertView;
}
}
activity_main.xml中
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.abc.logic.MainActivity">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/item_name"
android:orientation="horizontal"
android:layout_toRightOf="@+id/sr_no"
>
<TextView
android:layout_width="150dp"
android:layout_height="50dp"
android:layout_toRightOf="@+id/srno"
android:layout_below="@+id/breakfast"
android:text="ITEM NAME"
android:id="@+id/itemname"
android:gravity="center"
android:textStyle="bold"
android:textColor="#000"
/>
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/qtity"
android:orientation="horizontal"
android:layout_toRightOf="@+id/item_name"
>
<TextView
android:layout_width="40dp"
android:layout_height="50dp"
android:layout_toRightOf="@+id/itemname"
android:layout_below="@+id/lunch"
android:text="QTY"
android:id="@+id/quantity"
android:gravity="center"
android:textStyle="bold"
android:textColor="#000"
/>
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:id="@+id/count"
android:layout_toRightOf="@+id/qtity"
>
<TextView
android:layout_width="50dp"
android:layout_height="50dp" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/rate"
android:orientation="horizontal"
android:layout_toRightOf="@+id/count"
>
<TextView
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_toRightOf="@+id/quantity"
android:layout_below="@+id/snacks"
android:text="PRICE"
android:id="@+id/price"
android:gravity="center"
android:textStyle="bold"
android:textColor="#000"
/>
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/sr_no"
android:orientation="horizontal"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true">
<TextView
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_below="@+id/breakfast"
android:layout_margin="2dp"
android:layout_marginTop="10dp"
android:text="SR.NO"
android:gravity="center"
android:textStyle="bold"
android:textColor="#000"
android:id="@+id/srno"
/>
</LinearLayout>
<ListView
android:layout_width="match_parent"
android:layout_height="150dp"
android:id="@+id/listdetails"
android:scrollbars="vertical"
android:layout_below="@+id/item_name"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true">
</ListView>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/btnview"
android:text="View"
android:layout_below="@+id/listdetails"
android:clickable="true">
</Button>
<android.support.v7.widget.SearchView
android:layout_width="match_parent"
android:layout_height="50dp"
android:id="@+id/bfsearch"
android:layout_marginLeft="3dp"
android:queryHint="Search"
android:layout_below="@+id/btnview"
android:layout_gravity="center"
/>
</RelativeLayout>
customlist.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:layout_width="50dp"
android:layout_height="50dp"
android:id="@+id/s_no"
android:layout_marginTop="5dp"
android:gravity="center"
android:textColor="#000"
android:textStyle="bold"
/>
<TextView
android:layout_width="150dp"
android:layout_height="50dp"
android:gravity="center"
android:textColor="#000"
android:textStyle="bold"
android:id="@+id/i_name"
android:layout_marginTop="5dp"
android:layout_toRightOf="@+id/s_no"
/>
<Button
android:layout_width="25dp"
android:layout_height="25dp"
android:id="@+id/pl"
android:layout_marginTop="5dp"
android:layout_toRightOf="@+id/qty"
android:background="@drawable/plus1"
/>
<TextView
android:layout_width="50dp"
android:layout_height="50dp"
android:id="@+id/qty"
android:layout_toRightOf="@id/i_name"
android:gravity="center"
android:textColor="#000"
android:textStyle="bold"
android:layout_marginTop="5dp"
/>
<Button
android:layout_width="25dp"
android:layout_height="25dp"
android:id="@+id/min"
android:layout_marginTop="3dp"
android:layout_below="@id/pl"
android:layout_toRightOf="@id/qty"
android:background="@drawable/minus1"
/>
<TextView
android:layout_width="60dp"
android:layout_height="50dp"
android:id="@+id/pr"
android:gravity="center"
android:textColor="#000"
android:textStyle="bold"
android:layout_marginLeft="10dp"
android:layout_alignBottom="@+id/min"
android:layout_toRightOf="@+id/pl"
android:layout_toEndOf="@+id/pl" />
</RelativeLayout>