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SwipeListView을 으로 구현하려고 시도 중입니다. ListView에을 푸시합니다. 성공적으로 통합되었지만 이후에 목록에 하나의 항목이 추가됩니다. 목록보기가 새로 고침되지 않습니다. 목록에 항목이 추가되지 않았습니다.새로 고침을 사용하여 SwipeListView를 구현하는 Android
나는 here에서를 새로 here 및 풀에서 SwipeListView을 구현했습니다. 어떻게 하나 이상의 항목을 listview에 추가하고 항목을 추가 한 후 목록을 새로 고칠 수 있습니까? 자바 코드
package com.eample.swipelistviewexample;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.content.res.TypedArray;
import android.os.AsyncTask;
import android.os.Bundle;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.util.DisplayMetrics;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.LayoutInflater;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ArrayAdapter;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.fortysevendeg.swipelistview.BaseSwipeListViewListener;
import com.fortysevendeg.swipelistview.PullToRefreshBase;
import com.fortysevendeg.swipelistview.PullToRefreshBase.OnRefreshListener;
import com.fortysevendeg.swipelistview.PullToRefreshBase.OnRefreshListener2;
import com.fortysevendeg.swipelistview.PullToRefreshSwipeListView;
import com.fortysevendeg.swipelistview.SwipeListView;
public class Contact extends Activity {
public PullToRefreshSwipeListView ptorefreshList;
public SwipeListView swipeListView;
ProgressDialog dialog;
private ArrayList<String> mItems;
CategoryAdapter adapter;
@SuppressWarnings("unchecked")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);
mItems = new ArrayList<String>();
for(int i=0;i<10;i++)
mItems.add("Musethe place "+i);
ptorefreshList=(PullToRefreshSwipeListView) findViewById(R.id.example_list);
swipeListView = ptorefreshList.getRefreshableView();
adapter = new CategoryAdapter(Contact.this,
mItems);
}
@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
setListview();
ptorefreshList.setOnRefreshListener(new OnRefreshListener<SwipeListView>() {
@Override
public void onRefresh(PullToRefreshBase<SwipeListView> refreshView) {
// TODO Auto-generated method stub
new NewDataTask().execute();
}
});
}
private void setListview() {
swipeListView.setSwipeListViewListener(new BaseSwipeListViewListener() {
//position di -1 karena sejak gabung library swipelistview + pulltorefresh, position slalu kelebihan 1 & menyebabkan OutOfBound error.
@Override
public void onClickFrontView(final int position) {
//do something here
}
@Override
public void onOpened(int position, boolean toRight) {
// TODO Auto-generated method stub
super.onOpened(position-1, toRight);
}
@Override
public void onMove(int position, float x) {
// TODO Auto-generated method stub
super.onMove(position-1, x);
}
@Override
public int onChangeSwipeMode(int position) {
// TODO Auto-generated method stub
return SwipeListView.SWIPE_MODE_DEFAULT;
}
@Override
public void onStartOpen(int position, int action, boolean right) {
// TODO Auto-generated method stub
super.onStartOpen(position-1, action, right);
}
});
ptorefreshList.setAdapter(adapter);
ptorefreshList.setLongClickable(true);
swipeListView.setSwipeOpenOnLongPress(false);
}
public class CategoryAdapter extends BaseAdapter {
LayoutInflater inflator;
ArrayList<String> category;
public CategoryAdapter(Context context,ArrayList<String> category)
{
inflator=(LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
this.category=category;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return category.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
final int p=position;
View vi=convertView;
if(convertView==null)
vi=inflator.inflate(R.layout.custom_row,null);
TextView tv=(TextView) vi.findViewById(R.id.example_itemname);
tv.setText(category.get(position));
return vi;
}
}
private class NewDataTask extends AsyncTask<Void, Void, String> {
@Override
protected void onPreExecute() {
// TODO Auto-generated method stub
super.onPreExecute();
if (android.os.Build.VERSION.SDK_INT >= 11) {
dialog = new ProgressDialog(Contact.this,AlertDialog.THEME_HOLO_LIGHT);
} else {
dialog = new ProgressDialog(Contact.this);
}
dialog.setMessage("Loading...");
dialog.setIndeterminate(true);
dialog.setCancelable(false);
dialog.show();
}
@Override
protected String doInBackground(Void... params) {
// TODO Auto-generated method stub
try {
Thread.sleep(500);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return "WWW.MUSETHEPLACE.COM";
}
@Override
protected void onPostExecute(String result) {
// This should be called after refreshing finished
mItems.add(0, result);
adapter = new CategoryAdapter(Contact.this,
mItems);
ptorefreshList.setAdapter(adapter);
adapter.notifyDataSetChanged();
dialog.dismiss();
super.onPostExecute(result);
}
}
public int convertDpToPixel(float dp) {
DisplayMetrics metrics = getResources().getDisplayMetrics();
float px = dp * (metrics.densityDpi/160f);
return (int) px;
}
}