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我对我的android应用程序有一种情况。场景是我使用的是一个视图页适配器翼起我有3个页面实际上是片段。我的问题是,我想从对话框活动中更新这些对象。该对话框活动包含我想要更新片段的onclick事件列表。如何通过另一个活动刷新viewpageadapter中的一个片段
首先是可能的,如果是的话,请切入并帮助我。
干杯 拉夫
这是我的看法页适配器
/*
* Copyright (C) 2012 Gaurav Rawat
*
*/
package com.punksrant.ifinddryday.adapter;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import com.punksrant.ifinddryday.fragment.AllFragment;
import com.punksrant.ifinddryday.fragment.HomeFragment;
import com.punksrant.ifinddryday.fragment.SynchFragment;
import com.punksrant.ifinddryday.utils.IFindDryDaysConstants;
import com.viewpagerindicator.TitleProvider;
public class ViewPagerAdapter extends FragmentPagerAdapter implements
TitleProvider {
private static String[] titles = IFindDryDaysConstants.titles;
public ViewPagerAdapter(FragmentManager fm) {
super(fm);
}
@Override
public String getTitle(int position) {
return titles[position % titles.length].toUpperCase();
}
@Override
public int getCount() {
return titles.length;
}
@Override
public Fragment getItem(int position) {
Fragment fragment;
switch (position) {
case 0:
fragment = HomeFragment.newInstance();
break;
case 1:
fragment = AllFragment.newInstance();
break;
case 2:
fragment = SynchFragment.newInstance(titles[position
% titles.length]);
break;
default:
fragment = HomeFragment.newInstance();
}
return fragment;
}
}
' and in this I want to refresh the home fragment from my dialog class
'/*
* Copyright (C) 2012 Gaurav Rawat
*
*/
package com.punksrant.ifinddryday.activity;
import roboguice.inject.ContentView;
import roboguice.inject.InjectView;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import com.github.rtyley.android.sherlock.roboguice.activity.RoboSherlockFragmentActivity;
import com.google.inject.Inject;
import com.punksrant.ifinddryday.model.Coordinates;
import com.punksrant.ifinddryday.utils.DryDayJSONResParser;
import com.punksrant.ifinddryday.utils.IFindDryDayViewUtils;
@ContentView(R.layout.statedialog)
public class Dialog extends RoboSherlockFragmentActivity {
@InjectView(R.id.dialogList)
ListView listView;
@Inject
SharedPreferences preferences;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
String[] states = DryDayJSONResParser.getSupportedStates();
listView.setAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, android.R.id.text1, states));
listView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
String state = ((TextView) view).getText().toString();
Coordinates coordinates = IFindDryDayViewUtils
.getCoordinatesFromPreferences(preferences);
coordinates.setState(state);
IFindDryDayViewUtils.updateCityFromLocation(coordinates,
preferences);
finish();
}
});
}
},
你的视图页适配器在哪里?你可以发布一些持有viewpager的活动代码吗? – gutiory 2012-04-24 07:52:17
Hi @gutiory会将代码粘贴回家,实际上,jist是我正在使用Jake的ViewPagerIndicator库.http://github.com/JakeWharton/Android-ViewPagerIndicator,其中的片段是从fragmentpageadapter中添加的。请尽快发布代码我回来了。 – 2012-04-24 10:21:28
这是我的查看页面适配器 – 2012-04-24 14:11:19