如何实现搜索功能中的GridView在android系统 [英] how to implement search functionality in Gridview in android
本文介绍了如何实现搜索功能中的GridView在android系统的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
在我的应用我有一个网格视图中显示他们的名字形象，现在我想要实现搜索功能的搜索选项卡。我在谷歌一直在寻找过去两天，但我没有得到任何解决方案。任何想法或教程0R我怎么能做到这一点？
任何人帮助我。
先谢谢了。
mainactivity
进口的java.util.ArrayList;进口org.json.JSONArray;
进口org.json.JSONException;
进口org.json.JSONObject;进口android.app.Activity;
进口android.app.ProgressDialog;
进口android.os.AsyncTask;
进口android.os.Bundle;
进口android.text.Editable;
进口android.text.TextWatcher;
进口android.view.View;
进口android.view.View.OnClickListener;
进口android.widget.AdapterView;
进口android.widget.AdapterView.OnItemClickListener;
进口android.widget.Button;
进口android.widget.EditText;
进口android.widget.GridView;
进口android.widget.ImageButton;进口com.example.diceapp.R;公共类SearchActivity扩展活动
{
JSONArray结果; 的JSONObject jobj; SearchCustomAdapter适配器1; 的ImageButton IB; ArrayList的＆LT;串GT; A1，A2，A3，A4; ArrayList的＆LT;串GT; NAME =新的ArrayList＆LT;串GT;（）; ArrayList的＆LT;串GT;说明=新的ArrayList＆LT;串GT;（）; ArrayList的＆LT;串GT;图像=新的ArrayList＆LT;串GT;（）; ArrayList的＆LT;串GT;价格=新的ArrayList＆LT;串GT;（）; 按钮添加; 串PID; GridView控件gView; SRC的EditText; INT长度限制：Textlength = 0; ArrayList的＆LT;串GT; p_name =新的ArrayList＆LT;串GT;（）;
ArrayList的＆LT;串GT; p_image =新的ArrayList＆LT;串GT;（）;
@覆盖
保护无效的onCreate（捆绑savedInstanceState）
{ // TODO自动生成方法存根
super.onCreate（savedInstanceState）; 的setContentView（R.layout.search_activity）; A1 =新的ArrayList＆LT;串GT;（）; A2 =新的ArrayList＆LT;串GT;（）; A3 =新的ArrayList＆LT;串GT;（）; A4 =新的ArrayList＆LT;串GT;（）; SRC =（EditText上）findViewById（R.id.srcetxt）; /*src.addTextChangedListener(new TextWatcher（）
{ @覆盖
公共无效onTextChanged（CharSequence的CS，INT ARG1，ARG2 INT，INT ARG3）{
//当用户更改文本
。SearchActivity.this.adapter1.getFilter（）过滤器（CS）;
} @覆盖
公共无效beforeTextChanged（CharSequence的为arg0，ARG1 INT，INT ARG2，
INT ARG3）{
// TODO自动生成方法存根 } @覆盖
公共无效afterTextChanged（编辑为arg0）{
// TODO自动生成方法存根
}
}）; * / 新Searchtask（）执行（）; gView =（GridView控件）findViewById（R.id.gridView1）; gView.setOnItemClickListener（新OnItemClickListener（）{ @覆盖
公共无效onItemClick（适配器视图＆LT;＆GT;为arg0，ARG1查看，INT位置，
长ARG3）{
// TODO自动生成方法存根
的System.out.println（外面点击+位置）; }
}）; IB =（的ImageButton）findViewById（R.id.imageButton1）; } 私有类Searchtask扩展的AsyncTask＆LT;字符串，字符串，JSONObject的＆GT;
{
私人ProgressDialog pDialog; @覆盖
在preExecute保护无效（）
{
super.on preExecute（）; pDialog =新ProgressDialog（SearchActivity.this）; pDialog.setMessage（加载数据......）; pDialog.setIndeterminate（假）; pDialog.setCancelable（真）; pDialog.show（）;
} @覆盖
受保护的JSONObject doInBackground（字符串参数... args）
{
JSONParser jParser =新JSONParser（）; JSONObject的JSON = jParser.getJSONFromUrl（HTTP：link.php）; 返回JSON; } @覆盖
保护无效onPostExecute（JSON的JSONObject）
{ 的System.out.println（---------------回报名单JSON ------------+ JSON）; pDialog.dismiss（）; 尝试
{
jobj = json.getJSONObject（回应）;
//获取联系人的数组
结果= jobj.getJSONArray（obejects）; 的System.out.println（在JSON后产品的活动）;
//通过所有联系人循环
的for（int i = 0; I＆LT; results.length（）;我++）
{
JSONObject的C = results.getJSONObject（I） name.add（c.getString（名字））; image.add（c.getString（图像））; price.add（c.getString（价格））; description.add（c.getString（描述））; }
}
赶上（JSONException E）
{
e.printStackTrace（）;
}
适配器1 =新SearchCustomAdapter（getApplicationContext（），R.layout.gridlistimg，名称，图片，说明价格）; gView.setAdapter（适配器1）; }
}}
baseadapter类
包com.example.diceapp.search;
进口的java.util.ArrayList;进口android.content.Context;
进口android.content.Intent;
进口android.sax.StartElementListener;
进口android.view.LayoutInflater;
进口android.view.View;
进口android.view.View.OnClickListener;
进口android.view.ViewGroup;
进口android.widget.AdapterView;
进口android.widget.BaseAdapter;
进口android.widget.Button;
进口android.widget.ImageView;
进口android.widget.TextView;
进口android.widget.AdapterView.OnItemClickListener;进口com.example.diceapp.AAAMainActivity;
进口com.example.diceapp.R;
进口com.example.diceapp.category.ImageLoader;公共类SearchCustomAdapter延伸BaseAdapter
{
上下文语境; LayoutInflater吹气; ArrayList的＆LT;串GT; aaaa1，bbbb1，cccc1;
ArrayList的＆LT;串GT; c_pname; ArrayList的＆LT;串GT; c_pimage; ArrayList的＆LT;串GT; c_pprice; ArrayList的＆LT;串GT; c_pdescription; 的String [] data_text;
的String [] data_image; ImageLoader的iloader; 公共SearchCustomAdapter（上下文C中，int productDescribe，ArrayList的＆LT;串GT; PNAME，ArrayList的＆LT;串GT; pimage，
ArrayList的＆LT;串GT;产品描述，ArrayList的＆LT;串GT; pprice）
{
// TODO自动生成构造函数存根 this.context = C; this.c_pname = PNAME; this.c_pprice = pprice; this.c_pdescription =产品描述; this.c_pimage = pimage; 吹气=（LayoutInflater）context.getSystemService（Context.LAYOUT_INFLATER_SERVICE）; iloader =新ImageLoader的（context.getApplicationContext（））;
}
@覆盖
公众诠释的getCount（）{
// TODO自动生成方法存根
返回c_pname.size（）;
//返回data_text.length;
}@覆盖
公共对象的getItem（INT为arg0）{
// TODO自动生成方法存根
返回null; } @覆盖
众长getItemId（INT POS）{
// TODO自动生成方法存根
//返回c_pname.indexOf（的getItem（POS））; //为arg0;
返回POS;
} @覆盖
公共查看getView（最终诠释的立场，观点convertView，父母的ViewGroup）
{
// TODO自动生成方法存根
查看排= convertView; ViewHolder VH; 如果（行== NULL）
{
行= inflater.inflate（R.layout.custom_search_activity，父母，假）; VH =新ViewHolder（）; vh.pname =（TextView中）row.findViewById（R.id.product_name）; vh.pprice =（TextView中）row.findViewById（R.id.textView2）; vh.image1 =（ImageView的）row.findViewById（R.id.imageView1）; vh.btn =（按钮）row.findViewById（R.id.p_custom_tv）;
/*row.setOnClickListener(new OnClickListener（）{ @覆盖
公共无效的onClick（查看为arg0）{ 的System.out.println（外面点击+位置）;
ArrayList的＆LT;串GT; sendingary =新的ArrayList＆LT;串GT;（）; sendingary.add（c_pname.get（位置））; sendingary.add（c_pprice.get（位置））; sendingary.add（c_pimage.get（位置））; sendingary.add（c_pdescription.get（位置））; 意图CP =新意图（context.getApplicationContext（），product_details.class）; cp.putStringArrayListExtra（aryvalue，sendingary）; cp.addFlags（Intent.FLAG_ACTIVITY_NEW_TASK）; context.startActivity（CP）; }
}）; * / row.setTag（VH）;
}
其他
{
VH =（ViewHolder）row.getTag（）;
排= convertView;
} vh.pname.setText（c_pname.get（位置））;
vh.pprice.setText（KD+ c_pprice.get（位置））;
iloader.DisplayImage（c_pimage.get（位置），vh.image1）; 返回行;
} 公共静态类ViewHolder
{
TextView的PNAME，pprice; ImageView的image1的; 按钮BTN;
} 公共SearchCustomAdapter用getFilter（）{
// TODO自动生成方法存根
返回null;
}
}
解决方案
您好我只是编辑code请更换，并检查
SearchActivity.java
进口的java.util.ArrayList;
进口java.util.Iterator的;进口org.json.JSONArray;
进口org.json.JSONException;
进口org.json.JSONObject;进口android.app.Activity;
进口android.app.ProgressDialog;
进口android.os.AsyncTask;
进口android.os.Bundle;
进口android.text.Editable;
进口android.text.TextWatcher;
进口android.view.View;
进口android.widget.AdapterView;
进口android.widget.AdapterView.OnItemClickListener;
进口android.widget.Button;
进口android.widget.EditText;
进口android.widget.GridView;
进口android.widget.ImageButton;公共类SearchActivity延伸活动{ JSONArray结果; 的JSONObject jobj; SearchCustomAdapter适配器1; 的ImageButton IB; ArrayList的＆LT;串GT; A1，A2，A3，A4; ArrayList的＆LT;串GT; NAME =新的ArrayList＆LT;串GT;（）; ArrayList的＆LT;串GT;说明=新的ArrayList＆LT;串GT;（）; ArrayList的＆LT;串GT;图像=新的ArrayList＆LT;串GT;（）; ArrayList的＆LT;串GT;价格=新的ArrayList＆LT;串GT;（）; 按钮添加; 串PID; GridView控件gView; SRC的EditText; INT长度限制：Textlength = 0; ArrayList的＆LT;串GT; p_name =新的ArrayList＆LT;串GT;（）;
ArrayList的＆LT;串GT; p_image =新的ArrayList＆LT;串GT;（）; @覆盖
保护无效的onCreate（捆绑savedInstanceState）{ // TODO自动生成方法存根
super.onCreate（savedInstanceState）; 的setContentView（R.layout.search_activity）; A1 =新的ArrayList＆LT;串GT;（）; A2 =新的ArrayList＆LT;串GT;（）; A3 =新的ArrayList＆LT;串GT;（）; A4 =新的ArrayList＆LT;串GT;（）; SRC =（EditText上）findViewById（R.id.srcetxt）; src.addTextChangedListener（新TextWatcher（）{ @覆盖
公共无效onTextChanged（CharSequence的CS，INT ARG1，ARG2 INT，INT ARG3）{ } @覆盖
公共无效beforeTextChanged（CharSequence的为arg0，ARG1 INT，INT ARG2，诠释ARG3）{ } @覆盖
公共无效afterTextChanged（编辑为arg0）{
如果（。src.getText（）的toString（）修剪（）长（）0）{
applySearch（src.getText（）的toString（）修剪（））;
}其他{
adapter1.setC_pname（名）;
adapter1.setC_pdescription（介绍）;
adapter1.setC_pimage（图片）;
adapter1.setC_pprice（价）;
adapter1.notifyDataSetChanged（）;
}
}
}）; 新Searchtask（）执行（）; gView =（GridView控件）findViewById（R.id.gridView1）; gView.setOnItemClickListener（新OnItemClickListener（）{ @覆盖
公共无效onItemClick（适配器视图＆LT;＆GT;为arg0，ARG1查看，INT位置，长ARG3）{
// TODO自动生成方法存根
的System.out.println（外面点击+位置）; }
}）; IB =（的ImageButton）findViewById（R.id.imageButton1）; } 私有类Searchtask扩展的AsyncTask＆LT;字符串，字符串，JSONObject的＆GT; {
私人ProgressDialog pDialog; @覆盖
在preExecute保护无效（）{
super.on preExecute（）; pDialog =新ProgressDialog（SearchActivity.this）; pDialog.setMessage（加载数据......）; pDialog.setIndeterminate（假）; pDialog.setCancelable（真）; pDialog.show（）;
} @覆盖
受保护的JSONObject doInBackground（字符串参数... args）{
JSONParser jParser =新JSONParser（）; JSONObject的JSON = jParser.getJSONFromUrl（HTTP：link.php）; 返回JSON; } @覆盖
保护无效onPostExecute（JSON的JSONObject）{ 的System.out.println（---------------回报名单JSON ------------+ JSON）; pDialog.dismiss（）; 尝试{
jobj = json.getJSONObject（回应）;
//获取联系人的数组
结果= jobj.getJSONArray（obejects）; 的System.out.println（在JSON后产品的活动）;
//通过所有联系人循环
的for（int i = 0; I＆LT; results.length（）;我++）{
JSONObject的C = results.getJSONObject（I） name.add（c.getString（名字））; image.add（c.getString（图像））; price.add（c.getString（价格））; description.add（c.getString（描述））; }
}赶上（JSONException E）{
e.printStackTrace（）;
}
适配器1 =新SearchCustomAdapter（getApplicationContext（），R.layout.gridlistimg，名称，图片，说明价格）; gView.setAdapter（适配器1）; }
} 私人无效applySearch（字符串searchStr）{
ArrayList的＆LT;串GT; searchname =新的ArrayList＆LT;串GT;（）;
ArrayList的＆LT;串GT; searchdescription =新的ArrayList＆LT;串GT;（）;
ArrayList的＆LT;串GT; searchimage =新的ArrayList＆LT;串GT;（）;
ArrayList的＆LT;串GT; searchprice =新的ArrayList＆LT;串GT;（）; 的for（int i = 0; I＆LT; name.size（）;我++）{
如果（name.get（ⅰ）。载（searchStr））{
searchname.add（name.get（I））;
searchdescription.add（description.get（I））;
searchimage.add（image.get（I））;
searchprice.add（price.get（I））;
}
} adapter1.setC_pname（searchname）;
adapter1.setC_pdescription（searchdescription）;
adapter1.setC_pimage（searchimage）;
adapter1.setC_pprice（searchprice）;
adapter1.notifyDataSetChanged（）;
}}
SearchCustomAdapter.java
进口的java.util.ArrayList;进口android.content.Context;
进口android.view.LayoutInflater;
进口android.view.View;
进口android.view.ViewGroup;
进口android.widget.BaseAdapter;
进口android.widget.Button;
进口android.widget.ImageView;
进口android.widget.TextView;公共类SearchCustomAdapter延伸BaseAdapter {
上下文语境; LayoutInflater吹气; ArrayList的＆LT;串GT; aaaa1，bbbb1，cccc1; ArrayList的＆LT;串GT; c_pname;
ArrayList的＆LT;串GT; c_pprice;
ArrayList的＆LT;串GT; c_pdescription;
ArrayList的＆LT;串GT; c_pimage; 公共无效setC_pname（ArrayList的＆LT;串GT; c_pname）{
this.c_pname = c_pname;
} 公共无效setC_pimage（ArrayList的＆LT;串GT; c_pimage）{
this.c_pimage = c_pimage;
} 公共无效setC_pprice（ArrayList的＆LT;串GT; c_pprice）{
this.c_pprice = c_pprice;
} 公共无效setC_pdescription（ArrayList的＆LT;串GT; c_pdescription）{
this.c_pdescription = c_pdescription;
} 的String [] data_text;
的String [] data_image; ImageLoader的iloader; 公共SearchCustomAdapter（上下文C中，int productDescribe，ArrayList的＆LT;弦乐＆GT; PNAME，ArrayList的＆LT;弦乐＆GT; pimage，ArrayList的＆LT;弦乐＆GT;产品描述，ArrayList的＆LT;弦乐＆GT; pprice）{
// TODO自动生成构造函数存根 this.context = C; this.c_pname = PNAME; this.c_pprice = pprice; this.c_pdescription =产品描述; this.c_pimage = pimage; 吹气=（LayoutInflater）context.getSystemService（Context.LAYOUT_INFLATER_SERVICE）; iloader =新ImageLoader的（context.getApplicationContext（））; } @覆盖
公众诠释的getCount（）{
// TODO自动生成方法存根
返回c_pname.size（）;
//返回data_text.length;
} @覆盖
公共对象的getItem（INT为arg0）{
// TODO自动生成方法存根
返回null; } @覆盖
众长getItemId（INT POS）{
// TODO自动生成方法存根
//返回c_pname.indexOf（的getItem（POS））; //为arg0;
返回POS;
} @覆盖
公共查看getView（最终诠释的立场，观点convertView，父母的ViewGroup）{
// TODO自动生成方法存根
查看排= convertView; ViewHolder VH; 如果（行== NULL）{
行= inflater.inflate（R.layout.custom_search_activity，父母，假）; VH =新ViewHolder（）; vh.pname =（TextView中）row.findViewById（R.id.product_name）; vh.pprice =（TextView中）row.findViewById（R.id.textView2）; vh.image1 =（ImageView的）row.findViewById（R.id.imageView1）; vh.btn =（按钮）row.findViewById（R.id.p_custom_tv）; / *
* row.setOnClickListener（新OnClickListener（）{
*
* @覆盖公共无效的onClick（查看为arg0）{
*
*的System.out.println（关于境外点击+位置）;
*
*
* ArrayList的＆LT;串GT; sendingary =新的ArrayList＆LT;串GT;（）;
*
* sendingary.add（c_pname.get（位置））;
*
* sendingary.add（c_pprice.get（位置））;
*
* sendingary.add（c_pimage.get（位置））;
*
* sendingary.add（c_pdescription.get（位置））;
*
*意图CP =新
*意图（context.getApplicationContext（），product_details.class）;
*
* cp.putStringArrayListExtra（aryvalue，sendingary）;
*
* cp.addFlags（Intent.FLAG_ACTIVITY_NEW_TASK）;
*
* context.startActivity（CP）;
*
*}}）;
* / row.setTag（VH）;
}其他{
VH =（ViewHolder）row.getTag（）;
排= convertView;
} vh.pname.setText（c_pname.get（位置））;
vh.pprice.setText（KD+ c_pprice.get（位置））;
iloader.DisplayImage（c_pimage.get（位置），vh.image1）; 返回行;
} 公共静态类ViewHolder {
TextView的PNAME，pprice; ImageView的image1的; 按钮BTN;
}}
In my application I have search tab which display images with their name in grid view and now I want to implement search functionality. I have been searching in google for past two days but I didn't get any solution. Any idea or tutorial 0r how can I achieve this?
Anyone help me with this.
Thanks in advance.
mainactivity
import java.util.ArrayList;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.AsyncTask;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.ImageButton;
import com.example.diceapp.R;
public class SearchActivity extends Activity
{
JSONArray results;
JSONObject jobj;
SearchCustomAdapter adapter1;
ImageButton ib;
ArrayList<String> a1,a2,a3,a4;
ArrayList<String> name=new ArrayList<String>();
ArrayList<String> description=new ArrayList<String>();
ArrayList<String> image=new ArrayList<String>();
ArrayList<String> price=new ArrayList<String>();
Button add;
String pid;
GridView gView;
EditText src;
int textlength = 0;
ArrayList<String> p_name = new ArrayList<String>();
ArrayList<String> p_image = new ArrayList<String>();
@Override
protected void onCreate(Bundle savedInstanceState)
{
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.search_activity);
a1=new ArrayList<String>();
a2=new ArrayList<String>();
a3=new ArrayList<String>();
a4=new ArrayList<String>();
src=(EditText)findViewById(R.id.srcetxt);
/*src.addTextChangedListener(new TextWatcher()
{
@Override
public void onTextChanged(CharSequence cs, int arg1, int arg2, int arg3) {
// When user changed the Text
SearchActivity.this.adapter1.getFilter().filter(cs);
}
@Override
public void beforeTextChanged(CharSequence arg0, int arg1, int arg2,
int arg3) {
// TODO Auto-generated method stub
}
@Override
public void afterTextChanged(Editable arg0) {
// TODO Auto-generated method stub
}
});*/
new Searchtask().execute();
gView = (GridView)findViewById(R.id.gridView1);
gView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int position,
long arg3) {
// TODO Auto-generated method stub
System.out.println("outside on click"+position);
}
});
ib=(ImageButton)findViewById(R.id.imageButton1);
}
private class Searchtask extends AsyncTask<String, String, JSONObject>
{
private ProgressDialog pDialog;
@Override
protected void onPreExecute()
{
super.onPreExecute();
pDialog = new ProgressDialog(SearchActivity.this);
pDialog.setMessage("Loading Data ...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(true);
pDialog.show();
}
@Override
protected JSONObject doInBackground(String... args)
{
JSONParser jParser = new JSONParser();
JSONObject json = jParser.getJSONFromUrl("http:link.php");
return json;
}
@Override
protected void onPostExecute(JSONObject json)
{
System.out.println("---------------return name list json------------"+json);
pDialog.dismiss();
try
{
jobj=json.getJSONObject("response");
// Getting Array of Contacts
results = jobj.getJSONArray("obejects");
System.out.println("In product Activity after JSON");
// looping through All Contacts
for(int i = 0; i < results.length(); i++)
{
JSONObject c = results.getJSONObject(i);
name.add(c.getString("name"));
image.add(c.getString("image"));
price.add(c.getString("price"));
description.add(c.getString("Description"));
}
}
catch (JSONException e)
{
e.printStackTrace();
}
adapter1 = new SearchCustomAdapter(getApplicationContext(), R.layout.gridlistimg, name, image,description,price);
gView.setAdapter(adapter1);
}
}
}
baseadapter class
package com.example.diceapp.search;
import java.util.ArrayList;
import android.content.Context;
import android.content.Intent;
import android.sax.StartElementListener;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;
import com.example.diceapp.AAAMainActivity;
import com.example.diceapp.R;
import com.example.diceapp.category.ImageLoader;
public class SearchCustomAdapter extends BaseAdapter
{
Context context;
LayoutInflater inflater;
ArrayList<String> aaaa1,bbbb1,cccc1;
ArrayList<String> c_pname;
ArrayList<String> c_pimage;
ArrayList<String> c_pprice;
ArrayList<String> c_pdescription;
String[] data_text;
String[] data_image;
ImageLoader iloader;
public SearchCustomAdapter(Context c, int productDescribe,ArrayList<String> pname, ArrayList<String> pimage,
ArrayList<String> productdescription, ArrayList<String> pprice)
{
// TODO Auto-generated constructor stub
this.context=c;
this.c_pname=pname;
this.c_pprice=pprice;
this.c_pdescription=productdescription;
this.c_pimage=pimage;
inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
iloader= new ImageLoader(context.getApplicationContext());
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return c_pname.size();
//return data_text.length;
}
@Override
public Object getItem(int arg0) {
// TODO Auto-generated method stub
return null;
}
@Override
public long getItemId(int pos) {
// TODO Auto-generated method stub
//return c_pname.indexOf(getItem(pos));//arg0;
return pos;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent)
{
// TODO Auto-generated method stub
View row=convertView;
ViewHolder vh;
if(row==null)
{
row=inflater.inflate(R.layout.custom_search_activity, parent, false);
vh=new ViewHolder();
vh.pname=(TextView)row.findViewById(R.id.product_name);
vh.pprice=(TextView)row.findViewById(R.id.textView2);
vh.image1=(ImageView) row.findViewById(R.id.imageView1);
vh.btn=(Button)row.findViewById(R.id.p_custom_tv);
/*row.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
System.out.println("outside on click"+position);
ArrayList<String> sendingary=new ArrayList<String>();
sendingary.add(c_pname.get(position));
sendingary.add(c_pprice.get(position));
sendingary.add(c_pimage.get(position));
sendingary.add(c_pdescription.get(position));
Intent cp=new Intent(context.getApplicationContext(),product_details.class);
cp.putStringArrayListExtra("aryvalue", sendingary);
cp.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(cp);
}
});*/
row.setTag(vh);
}
else
{
vh = (ViewHolder) row.getTag();
row=convertView;
}
vh.pname.setText(c_pname.get(position));
vh.pprice.setText("KD "+c_pprice.get(position));
iloader.DisplayImage(c_pimage.get(position), vh.image1);
return row;
}
public static class ViewHolder
{
TextView pname,pprice;
ImageView image1;
Button btn;
}
public SearchCustomAdapter getFilter() {
// TODO Auto-generated method stub
return null;
}
}
解决方案
Hi I just edit your code please replace and check it
SearchActivity.java
import java.util.ArrayList;
import java.util.Iterator;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.AsyncTask;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.ImageButton;
public class SearchActivity extends Activity {
JSONArray results;
JSONObject jobj;
SearchCustomAdapter adapter1;
ImageButton ib;
ArrayList<String> a1, a2, a3, a4;
ArrayList<String> name = new ArrayList<String>();
ArrayList<String> description = new ArrayList<String>();
ArrayList<String> image = new ArrayList<String>();
ArrayList<String> price = new ArrayList<String>();
Button add;
String pid;
GridView gView;
EditText src;
int textlength = 0;
ArrayList<String> p_name = new ArrayList<String>();
ArrayList<String> p_image = new ArrayList<String>();
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.search_activity);
a1 = new ArrayList<String>();
a2 = new ArrayList<String>();
a3 = new ArrayList<String>();
a4 = new ArrayList<String>();
src = (EditText) findViewById(R.id.srcetxt);
src.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence cs, int arg1, int arg2, int arg3) {
}
@Override
public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
}
@Override
public void afterTextChanged(Editable arg0) {
if (src.getText().toString().trim().length() > 0) {
applySearch(src.getText().toString().trim());
} else {
adapter1.setC_pname(name);
adapter1.setC_pdescription(description);
adapter1.setC_pimage(image);
adapter1.setC_pprice(price);
adapter1.notifyDataSetChanged();
}
}
});
new Searchtask().execute();
gView = (GridView) findViewById(R.id.gridView1);
gView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3) {
// TODO Auto-generated method stub
System.out.println("outside on click" + position);
}
});
ib = (ImageButton) findViewById(R.id.imageButton1);
}
private class Searchtask extends AsyncTask<String, String, JSONObject> {
private ProgressDialog pDialog;
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(SearchActivity.this);
pDialog.setMessage("Loading Data ...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(true);
pDialog.show();
}
@Override
protected JSONObject doInBackground(String... args) {
JSONParser jParser = new JSONParser();
JSONObject json = jParser.getJSONFromUrl("http:link.php");
return json;
}
@Override
protected void onPostExecute(JSONObject json) {
System.out.println("---------------return name list json------------" + json);
pDialog.dismiss();
try {
jobj = json.getJSONObject("response");
// Getting Array of Contacts
results = jobj.getJSONArray("obejects");
System.out.println("In product Activity after JSON");
// looping through All Contacts
for (int i = 0; i < results.length(); i++) {
JSONObject c = results.getJSONObject(i);
name.add(c.getString("name"));
image.add(c.getString("image"));
price.add(c.getString("price"));
description.add(c.getString("Description"));
}
} catch (JSONException e) {
e.printStackTrace();
}
adapter1 = new SearchCustomAdapter(getApplicationContext(), R.layout.gridlistimg, name, image, description, price);
gView.setAdapter(adapter1);
}
}
private void applySearch(String searchStr) {
ArrayList<String> searchname = new ArrayList<String>();
ArrayList<String> searchdescription = new ArrayList<String>();
ArrayList<String> searchimage = new ArrayList<String>();
ArrayList<String> searchprice = new ArrayList<String>();
for (int i = 0; i < name.size(); i++) {
if (name.get(i).contains(searchStr)) {
searchname.add(name.get(i));
searchdescription.add(description.get(i));
searchimage.add(image.get(i));
searchprice.add(price.get(i));
}
}
adapter1.setC_pname(searchname);
adapter1.setC_pdescription(searchdescription);
adapter1.setC_pimage(searchimage);
adapter1.setC_pprice(searchprice);
adapter1.notifyDataSetChanged();
}
}
SearchCustomAdapter.java
import java.util.ArrayList;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
public class SearchCustomAdapter extends BaseAdapter {
Context context;
LayoutInflater inflater;
ArrayList<String> aaaa1, bbbb1, cccc1;
ArrayList<String> c_pname;
ArrayList<String> c_pprice;
ArrayList<String> c_pdescription;
ArrayList<String> c_pimage;
public void setC_pname(ArrayList<String> c_pname) {
this.c_pname = c_pname;
}
public void setC_pimage(ArrayList<String> c_pimage) {
this.c_pimage = c_pimage;
}
public void setC_pprice(ArrayList<String> c_pprice) {
this.c_pprice = c_pprice;
}
public void setC_pdescription(ArrayList<String> c_pdescription) {
this.c_pdescription = c_pdescription;
}
String[] data_text;
String[] data_image;
ImageLoader iloader;
public SearchCustomAdapter(Context c, int productDescribe, ArrayList<String> pname, ArrayList<String> pimage, ArrayList<String> productdescription, ArrayList<String> pprice) {
// TODO Auto-generated constructor stub
this.context = c;
this.c_pname = pname;
this.c_pprice = pprice;
this.c_pdescription = productdescription;
this.c_pimage = pimage;
inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
iloader = new ImageLoader(context.getApplicationContext());
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return c_pname.size();
// return data_text.length;
}
@Override
public Object getItem(int arg0) {
// TODO Auto-generated method stub
return null;
}
@Override
public long getItemId(int pos) {
// TODO Auto-generated method stub
// return c_pname.indexOf(getItem(pos));//arg0;
return pos;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
View row = convertView;
ViewHolder vh;
if (row == null) {
row = inflater.inflate(R.layout.custom_search_activity, parent, false);
vh = new ViewHolder();
vh.pname = (TextView) row.findViewById(R.id.product_name);
vh.pprice = (TextView) row.findViewById(R.id.textView2);
vh.image1 = (ImageView) row.findViewById(R.id.imageView1);
vh.btn = (Button) row.findViewById(R.id.p_custom_tv);
/*
* row.setOnClickListener(new OnClickListener() {
*
* @Override public void onClick(View arg0) {
*
* System.out.println("outside on click"+position);
*
*
* ArrayList<String> sendingary=new ArrayList<String>();
*
* sendingary.add(c_pname.get(position));
*
* sendingary.add(c_pprice.get(position));
*
* sendingary.add(c_pimage.get(position));
*
* sendingary.add(c_pdescription.get(position));
*
* Intent cp=new
* Intent(context.getApplicationContext(),product_details.class);
*
* cp.putStringArrayListExtra("aryvalue", sendingary);
*
* cp.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
*
* context.startActivity(cp);
*
* } });
*/
row.setTag(vh);
} else {
vh = (ViewHolder) row.getTag();
row = convertView;
}
vh.pname.setText(c_pname.get(position));
vh.pprice.setText("KD " + c_pprice.get(position));
iloader.DisplayImage(c_pimage.get(position), vh.image1);
return row;
}
public static class ViewHolder {
TextView pname, pprice;
ImageView image1;
Button btn;
}
}
这篇关于如何实现搜索功能中的GridView在android系统的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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