android - Androidでホルダーをクリックするにはどうすればよいですか

Question

これが私のコードです。アイテムをクリックしたときにダイアログを表示したいのですが..これで私を助けてくれますか? これが私のコードです。アイテムをクリックしたときにダイアログを表示したいのですが..これで私を助けてくれますか?

import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.TextView; 
public class DataAdapter extends BaseAdapter {

Context mContext; 
private LayoutInflater mInflater;
String targetmonth;
String targetyear;
String targetamount; 
String[] month;
String[] year;
String[] amount;


public DataAdapter(Context c, String[] month, String[] year, String[] amount) {
    this.month = month;
    this.year = year;
    this.amount = amount; 
    mContext = c;
    mInflater = LayoutInflater.from(c); 
} 
public int getCount() {
    return month.length;
} 
public Object getItem(int position) {
    return position;
} 
public long getItemId(int position) {
    return position;
} 
public View getView(int position, View convertView, ViewGroup parent) {
    ViewHolder holder = null;

    holder = new ViewHolder();

    if (convertView == null) {
        convertView = mInflater.inflate(R.layout.customgrid, parent, false);
        holder = new ViewHolder();
        holder.month = (TextView) convertView
                .findViewById(R.id.targetmonth); 
        holder.year = (TextView) convertView.findViewById(R.id.targetyear); 
        holder.amount = (TextView) convertView
                .findViewById(R.id.targetamount); 



        if (position == 0) {
            convertView.setTag(holder);
        }
    } else {
        holder = (ViewHolder) convertView.getTag();
    }

    try {

        holder.month.setText(month[position]);
        holder.year.setText(year[position]);
        holder.amount.setText(amount[position]);
    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } 
    return convertView;
} 
static class ViewHolder {
    TextView month;
    TextView year, amount; 
}

}

この部分で思う

public View getView(int position, View convertView, ViewGroup parent) {
    ViewHolder holder = null;

    holder = new ViewHolder();

    if (convertView == null) {
        convertView = mInflater.inflate(R.layout.customgrid, parent, false);
        holder = new ViewHolder();
        holder.month = (TextView) convertView
                .findViewById(R.id.targetmonth); 
        holder.year = (TextView) convertView.findViewById(R.id.targetyear); 
        holder.amount = (TextView) convertView
                .findViewById(R.id.targetamount);

メインアクティビティ.java

package com.demo.php.listview;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.protocol.HTTP;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.app.ProgressDialog;
import android.graphics.Color;
import android.net.ParseException;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.Window;
import android.widget.ListView;
import android.widget.Toast;

public class MainActivity extends Activity {
JSONArray jArray;
String result = null;
InputStream is = null;
StringBuilder sb = null; 
ArrayList<String> al = new ArrayList<String>();
ArrayList<String> al1 = new ArrayList<String>();
ArrayList<String> al2 = new ArrayList<String>();
String targetmonth;
String targetyear;
String targetamount;
//  int responseCode;
//int listItemCount=0;
ListView listview ;
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState); 
    setTheme(Color.WHITE); 
    setTitleColor(Color.rgb(0x74, 0, 0x37));
    setTitle("DEMO PHP");
    requestWindowFeature(Window.FEATURE_RIGHT_ICON); 
    setContentView(R.layout.main);
    listview = (ListView) findViewById(R.id.listView1);
    new LoadData().execute();

} 



private class LoadData extends AsyncTask<Void, Void, Void> { 
    private ProgressDialog progressDialog;  
    @Override
    // can use UI thread here
    protected void onPreExecute() {
    this.progressDialog = ProgressDialog.show(MainActivity.this, "","         Loading...");  
    }
    @Override
    protected void onPostExecute(final Void unused) {  
        try{

                 listview.setAdapter(new DataAdapter(MainActivity.this,al.toArray(new String[al.size()]),al1.toArray(new String[al1.size()]),al2.toArray(new String[al2.size()])));
                 this.progressDialog.dismiss();

            }
            catch(Exception e){ 
                Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();
            }  
    }
    @Override
    protected Void doInBackground(Void... params) {
    // TODO Auto-generated method stub  
        // HTTP post 
                try { 
                    ArrayList<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
                    HttpClient httpclient = new DefaultHttpClient(); 
                    try{
                    HttpPost httppost = new HttpPost("http://192.168.0.2/android/test.php");

                    StringEntity se = new StringEntity("envelope",HTTP.UTF_8);
                    httppost.setEntity(se); 
                    HttpParams httpParameters = new BasicHttpParams();
                    // Set the timeout in milliseconds until a connection is established.
                    int timeoutConnection = 3000;
                    HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
                    // Set the default socket timeout (SO_TIMEOUT) 
                    // in milliseconds which is the timeout for waiting for data.
                    int timeoutSocket = 3000;
                    HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket); 

                    httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
                    HttpResponse response = httpclient.execute(httppost);
                    HttpEntity entity = response.getEntity();
                    is = entity.getContent(); 
                    }
                    catch(Exception e){
                        Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();
                    }
                    //buffered reader
                    try{
                    BufferedReader reader = new BufferedReader(new InputStreamReader(
                            is, "iso-8859-1"), 80);
                    sb = new StringBuilder();
                    sb.append(reader.readLine() + "\n");
                    String line = "0";
                    while ((line = reader.readLine()) != null) {
                        sb.append(line + "\n");
                    }
                    is.close();
                    result = sb.toString();
                    }
                    catch(Exception e){
                        Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();
                    }
                    try{
                    jArray = new JSONArray(result);
                    JSONObject json_data = null;
                    for (int i = 0; i < jArray.length(); i++) {
                        json_data = jArray.getJSONObject(i); 
                        targetamount=json_data.getString("targetamount");
                        targetmonth=json_data.getString("targetmonth");
                        targetyear = json_data.getString("targetyear"); 
                        al.add(targetmonth); 
                        al1.add(targetyear);
                        al2.add(targetamount);  

                        //listItemCount=al2.size();
                    }
                }
                catch(JSONException e){
                    Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();
                }   
                } catch (ParseException e) {
                //  Log.e("log_tag", "Error in http connection" + e.toString());
                    Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();
                }  
                 catch (Exception e) {
                        //  Log.e("log_tag", "Error in    http connection" + e.toString());
                                Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();
                        }        
        return null; 
    }
} 


   }

score 0 · Accepted Answer

私の理解が正しければ、所有者のアイテムのいずれかがクリックされたときにダイアログを表示する必要があります。この方法を試すことができます：

holder.month.setOnClickListener(new OnClickListener() {

    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        final AlertDialog alertDialog = new AlertDialog.Builder(getApplicationContext()).create();
        alertDialog.setIcon(/*Provide any drawable*/);
        alertDialog.setTitle("Alert Dialog");
        alertDialog.setMessage("Alert Dialog in OnClick");
        alertDialog.setButton(AlertDialog.BUTTON_POSITIVE,
            "Ok",
            new OnClickListener() {

                @Override
                public void onClick(DialogInterface dialog, int which) {
                    // TODO Auto-generated method stub
                    alertDialog.dismiss();
                }
            });

         alertDialog.show();
    }
});

score 0 · Accepted Answer

次のように使用します。

    public class MainActivity extends Activity {

           class DataAdapter extends BaseAdapter {


    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder holder = null;

 holder = new ViewHolder();

      //Onclick for your tagetyear TextView
      holder.year = (TextView) convertView.findViewById(R.id.targetyear); 

        holder.year.setOnClickListener(new OnClickListener() {

        @SuppressWarnings("unused")
    public void onClick(View v) {
        // TODO Auto-generated method stub
     }
    });
   }
  }
}

主な活動：

public class MainActivity extends Activity {
JSONArray jArray;
  String result = null;
  InputStream is = null;
  StringBuilder sb = null; 
  ArrayList<String> al = new ArrayList<String>();
    ArrayList<String> al1 = new ArrayList<String>();
   ArrayList<String> al2 = new ArrayList<String>();
  String targetmonth;
  String targetyear;
   String targetamount;
     //  int responseCode;
   //int listItemCount=0;
   ListView listview ;
    @Override
   public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); 
setTheme(Color.WHITE); 
setTitleColor(Color.rgb(0x74, 0, 0x37));
setTitle("DEMO PHP");
requestWindowFeature(Window.FEATURE_RIGHT_ICON); 
setContentView(R.layout.main);
listview = (ListView) findViewById(R.id.listView1);
new LoadData().execute();

  } 



 private class LoadData extends AsyncTask<Void, Void, Void> { 
private ProgressDialog progressDialog;  
@Override
// can use UI thread here
protected void onPreExecute() {
this.progressDialog = ProgressDialog.show(MainActivity.this, "","         Loading...");  
}
@Override
protected void onPostExecute(final Void unused) {  
    try{

             listview.setAdapter(new DataAdapter(MainActivity.this,al.toArray(new String[al.size()]),al1.toArray(new String[al1.size()]),al2.toArray(new String[al2.size()])));
             this.progressDialog.dismiss();

        }
        catch(Exception e){ 
            Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();
        }  
}
@Override
protected Void doInBackground(Void... params) {
// TODO Auto-generated method stub  
    // HTTP post 
            try { 
                ArrayList<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
                HttpClient httpclient = new DefaultHttpClient(); 
                try{
                HttpPost httppost = new HttpPost("http://192.168.0.2/android/test.php");

                StringEntity se = new StringEntity("envelope",HTTP.UTF_8);
                httppost.setEntity(se); 
                HttpParams httpParameters = new BasicHttpParams();
                // Set the timeout in milliseconds until a connection is established.
                int timeoutConnection = 3000;
                HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
                // Set the default socket timeout (SO_TIMEOUT) 
                // in milliseconds which is the timeout for waiting for data.
                int timeoutSocket = 3000;
                HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket); 

                httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
                HttpResponse response = httpclient.execute(httppost);
                HttpEntity entity = response.getEntity();
                is = entity.getContent(); 
                }
                catch(Exception e){
                    Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();
                }
                //buffered reader
                try{
                BufferedReader reader = new BufferedReader(new InputStreamReader(
                        is, "iso-8859-1"), 80);
                sb = new StringBuilder();
                sb.append(reader.readLine() + "\n");
                String line = "0";
                while ((line = reader.readLine()) != null) {
                    sb.append(line + "\n");
                }
                is.close();
                result = sb.toString();
                }
                catch(Exception e){
                    Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();
                }
                try{
                jArray = new JSONArray(result);
                JSONObject json_data = null;
                for (int i = 0; i < jArray.length(); i++) {
                    json_data = jArray.getJSONObject(i); 
                    targetamount=json_data.getString("targetamount");
                    targetmonth=json_data.getString("targetmonth");
                    targetyear = json_data.getString("targetyear"); 
                    al.add(targetmonth); 
                    al1.add(targetyear);
                    al2.add(targetamount);  

                    //listItemCount=al2.size();
                }
            }
            catch(JSONException e){
                Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();
            }   
            } catch (ParseException e) {
            //  Log.e("log_tag", "Error in http connection" + e.toString());
                Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();
            }  
             catch (Exception e) {
                    //  Log.e("log_tag", "Error in    http connection" + e.toString());
                            Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();
                    }        
    return null; 
}
 } 


class DataAdapter extends BaseAdapter {

Context mContext; 
  private LayoutInflater mInflater;
 String targetmonth;
  String targetyear;
 String targetamount; 
  String[] month;
  String[] year;
  String[] amount;


  public DataAdapter(Context c, String[] month, String[] year, String[] amount) {
this.month = month;
this.year = year;
this.amount = amount; 
mContext = c;
mInflater = LayoutInflater.from(c); 
 } 
  public int getCount() {
 return month.length;
 } 
public Object getItem(int position) {
return position;
 } 
    public long getItemId(int position) {
   return position;
  } 
 public View getView(int position, View convertView, ViewGroup parent) {
     ViewHolder holder = null;

holder = new ViewHolder();

if (convertView == null) {
    convertView = mInflater.inflate(R.layout.customgrid, parent, false);
    holder = new ViewHolder();
    holder.month = (TextView) convertView
            .findViewById(R.id.targetmonth); 
    holder.year = (TextView) convertView.findViewById(R.id.targetyear); 
    holder.amount = (TextView) convertView
            .findViewById(R.id.targetamount); 


        //Onclick for your tagetyear TextView
  holder.year = (TextView) convertView.findViewById(R.id.targetyear); 

    holder.year.setOnClickListener(new OnClickListener() {

    @SuppressWarnings("unused")
public void onClick(View v) {
    // TODO Auto-generated method stub
 }
});
   }


    if (position == 0) {
        convertView.setTag(holder);
    }
} else {
    holder = (ViewHolder) convertView.getTag();
}

try {

    holder.month.setText(month[position]);
    holder.year.setText(year[position]);
    holder.amount.setText(amount[position]);
} catch (Exception e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
} 
return convertView;
  } 

   static class ViewHolder {
     TextView month;
    TextView year, amount; 
}

}

  }

android - Androidでホルダーをクリックするにはどうすればよいですか

2 に答える 2

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