2017-04-10 25 views
-1

問題が発生しました。基本的に私のリストは表示されません。リストビューには表示されません

Log.d(TAG, "\nDato 1: "+fechaini);の行には、正しい情報が表示されます。

しかし、私がアクティビティを開始するときに何も起こりません(表示されます)。

package info.androidhive.loginandregistration.activity; 

import android.os.AsyncTask; 
import android.support.v7.app.ActionBarActivity; 
import android.support.v7.app.AppCompatActivity; 
import android.os.Bundle; 
import android.util.Log; 
import android.widget.ListAdapter; 
import android.widget.ListView; 
import android.widget.SimpleAdapter; 

import org.json.JSONArray; 
import org.json.JSONException; 
import org.json.JSONObject; 

import java.io.BufferedReader; 
import java.io.InputStream; 
import java.io.InputStreamReader; 
import java.util.ArrayList; 
import java.util.HashMap; 

import info.androidhive.loginandregistration.R; 

import org.apache.http.HttpEntity; 
import org.apache.http.HttpResponse; 
import org.apache.http.client.methods.HttpPost; 
import org.apache.http.impl.client.DefaultHttpClient; 
import org.apache.http.params.BasicHttpParams; 

public class Main4Activity extends ActionBarActivity { 

    private static final String TAG_RESULTS="result"; 
    private static final String TAG_FI = "fechaini"; 
    private static final String TAG_FF = "fechafin"; 
    private static final String TAG_USR ="user"; 
    private static final String TAG_MAIL ="email"; 
    private static final String TAG = Main4Activity.class.getSimpleName(); 

    String myJSON; 
    JSONArray reservas = null; 
    ArrayList<HashMap<String, String>> reservaslist; 
    ListView list; 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main4); 
     list = (ListView) findViewById(R.id.ListView); 
     reservaslist = new ArrayList<HashMap<String,String>>(); 
     getData(); 
    } 

    public void getData() { 
     class GetDataJSON extends AsyncTask<String, Void, String> { 

      @Override 
      protected String doInBackground(String... params) { 
       DefaultHttpClient httpclient = new DefaultHttpClient(new BasicHttpParams()); 
       HttpPost httppost = new HttpPost("http://10.238.21.136:8081/android_login_api/revisar.php"); 

       // Depends on your web service 
       httppost.setHeader("Content-type", "application/json"); 

       InputStream inputStream = null; 
       String result = null; 
       try { 
        HttpResponse response = httpclient.execute(httppost); 
        HttpEntity entity = response.getEntity(); 

        inputStream = entity.getContent(); 
        // json is UTF-8 by default 
        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"), 8); 
        StringBuilder sb = new StringBuilder(); 

        String line = null; 
        while ((line = reader.readLine()) != null) 
        { 
         sb.append(line + "\n"); 
        } 
        result = sb.toString(); 
       } catch (Exception e) { 
        // Oops 
       } 
       finally { 
        try{if(inputStream != null)inputStream.close();}catch(Exception squish){} 
       } 
       return result; 
      } 

      @Override 
      protected void onPostExecute(String result){ 
       myJSON=result; 
       showList(); 
      } 
     } 
     GetDataJSON g = new GetDataJSON(); 
     g.execute(); 
    } 

    protected void showList() { 
     try { 
      JSONObject jsonObj = new JSONObject(myJSON); 
      reservas = jsonObj.getJSONArray(TAG_RESULTS); 

      for(int i=0;i<reservas.length();i++){ 
       JSONObject c = reservas.getJSONObject(i); 
       String fechaini = c.getString(TAG_FI); 
       String fechafin = c.getString(TAG_FF); 
       String user = c.getString(TAG_USR); 
       String email = c.getString(TAG_MAIL); 
       Log.d(TAG, "\nDato 1: "+fechaini); 
       Log.d(TAG, "\nDato 2: "+fechafin); 
       Log.d(TAG, "\nDato 3: "+user); 
       Log.d(TAG, "\nDato 4: "+email); 

       HashMap<String,String> reservaciones = new HashMap<String,String>(); 

       reservaciones.put(TAG_FI,fechaini); 
       reservaciones.put(TAG_FF,fechafin); 
       reservaciones.put(TAG_USR,user); 
       reservaciones.put(TAG_MAIL,email); 

       reservaslist.add(reservaciones); 
      } 

      ListAdapter adapter = new SimpleAdapter(
        Main4Activity.this, reservaslist, R.layout.activity_main4, 
        new String[]{TAG_FI,TAG_FF,TAG_USR,TAG_MAIL}, 
        new int[]{R.id.fechaini, R.id.fechafin, R.id.user,R.id.email} 
      ); 

      list.setAdapter(adapter); 

     } catch (JSONException e) { 
      e.printStackTrace(); 
     } 
    } 
} 

ログ

04-10 14:50:53.730 216-358/? I/BufferQueue: [info.androidhive.loginandregistration/info.androidhive.loginandregistration.activity.MainActivity](this:0xb8103208,id:6815,api:1,p:-1,c:216) disconnect: api=1 
04-10 14:50:53.731 216-358/? I/BufferQueue: [info.androidhive.loginandregistration/info.androidhive.loginandregistration.activity.MainActivity](this:0xb8103208,id:6815,api:1,p:-1,c:216) getReleasedBuffers: returning mask 0xffffffff 
04-10 14:50:53.735 705-717/? V/ActivityManager: ACT-Activity idle: Token{4310e790 ActivityRecord{4310e628 u0 info.androidhive.loginandregistration/.activity.Main4Activity t496}} 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 1: 2017-04-10 10:56:00 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 2: 2017-04-10 11:56:00 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 3: A 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 4: a 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 1: 2017-04-10 15:08:00 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 2: 2017-04-10 23:08:00 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 3: A 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 4: a 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 1: 2017-04-11 11:21:00 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 2: 2017-04-11 12:21:00 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 3: A 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 4: a 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 1: 2017-04-12 11:23:00 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 2: 2017-04-12 12:23:00 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 3: A 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 4: a 
04-10 14:50:53.857 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 1: 2017-04-14 11:52:00 
04-10 14:50:53.858 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 2: 2017-04-14 12:52:00 
04-10 14:50:53.858 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 3: A 
04-10 14:50:53.858 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 4: a 
04-10 14:50:53.858 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 1: 2017-04-19 11:53:00 
04-10 14:50:53.858 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 2: 2017-04-19 12:53:00 
04-10 14:50:53.858 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 3: A 
04-10 14:50:53.858 5769-5769/info.androidhive.loginandregistration D/Main4Activity: Dato 4: a 
04-10 14:50:53.871 5769-5769/info.androidhive.loginandregistration D/ListView: mSelectorRect.setEmpty in layoutChildren this=android.widget.ListView{42513b88 VFED.VC. ......I. 0,0-0,0 #7f0c0086 app:id/ListView} 
04-10 14:50:53.889 705-763/? D/ActivityManager: ACT-IDLE_NOW_MSG from windowsVisible() for idle: ActivityRecord{4310e628 u0 info.androidhive.loginandregistration/.activity.Main4Activity t496} 
04-10 14:50:53.894 5769-5769/info.androidhive.loginandregistration V/ActivityThread: Finishing stop of ActivityRecord{422a7668 [email protected] {info.androidhive.loginandregistration/info.androidhive.loginandregistration.activity.MainActivity}}: show=false [email protected] 
04-10 14:50:53.894 5769-5769/info.androidhive.loginandregistration V/PhoneWindow: DecorView setVisiblity: visibility = 4 ,Parent =ViewRoot{422b8288 info.androidhive.loginandregistration/info.androidhive.loginandregistration.activity.MainActivity,ident = 0}, this =com.android.internal.policy.impl.PhoneWindow$DecorView{422aa990 I.E..... R....... 0,0-720,1184} 
04-10 14:50:53.894 5769-5769/info.androidhive.loginandregistration D/ActivityThread: ACT-STOP_ACTIVITY_HIDE handled : 0/[email protected] 
04-10 14:50:53.906 216-216/? I/BufferQueue: [info.androidhive.loginandregistration/info.androidhive.loginandregistration.activity.MainActivity](this:0xb8103208,id:6815,api:1,p:-1,c:-1) consumerDisconnect 
04-10 14:50:53.906 216-216/? I/BufferQueue: [info.androidhive.loginandregistration/info.androidhive.loginandregistration.activity.MainActivity](this:0xb8103208,id:6815,api:1,p:-1,c:-1) ~BufferQueue 
04-10 14:51:53.439 705-1139/? V/WindowManager: Changing focus from Window{42948330 u0 info.androidhive.loginandregistration/info.androidhive.loginandregistration.activity.Main4Activity} to Window{42c235f8 u0 dream} Callers=com.android.server.wm.WindowManagerService.addWindow:2756 com.android.server.wm.Session.addToDisplay:163 android.view.IWindowSession$Stub.onTransact:111 com.android.server.wm.Session.onTransact:126 
04-10 14:51:53.566 5769-5769/info.androidhive.loginandregistration V/InputMethodManager: START INPUT: com.android.internal.policy.impl.PhoneWindow$DecorView{42509348 V.E..... R.....I. 0,0-720,1184} ic=null [email protected] controlFlags=#100 
04-10 14:51:53.568 5769-5769/info.androidhive.loginandregistration W/InputMethodManager: startInputInner : InputBindResult == null 
04-10 14:51:53.587 5769-5769/info.androidhive.loginandregistration D/AbsListView: onWindowFocusChanged: hasWindowFocus=false, this=android.widget.ListView{42513b88 VFED.VC. ......I. 0,0-0,0 #7f0c0086 app:id/ListVie 

答えて

0
ListAdapter adapter =new SimpleAdapter(context, data, resource, from, to); 

三番目のパラメータを使用すると、テキストビューを持っているリスト項目のレイアウト(xmlファイル)を設定するために使用されるリソースIDです。したがって、R.id.fechaini、R.id.fechafin、R.id.user、およびR.id.emailが配置されているレイアウトファイルを設定する必要があります。同じxmlファイル内にある場合は、新しいxmlファイルを定義する必要があります。

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