从android eclipse中的片段刷新或更新listadapter
我有一个MainActivity,当点击侧导航菜单时,会运行一些片段。在侧导航菜单中,有一个名为Number of SMS的项目,当您在另一个片段中选择所需的电话号码时,该项目将立即更新。但问题是我不知道如何从该片段刷新列表适配器。我定义了一个名为allvalues的类,它包含我的所有全局变量。负责SMS计数的变量是allvalues.NumberOfLocations 以下是主要活动的代码:从android eclipse中的片段刷新或更新listadapter,android,fragment,adapter,listadapter,android-side-navigation,Android,Fragment,Adapter,Listadapter,Android Side Navigation,我有一个MainActivity,当点击侧导航菜单时,会运行一些片段。在侧导航菜单中,有一个名为Number of SMS的项目,当您在另一个片段中选择所需的电话号码时,该项目将立即更新。但问题是我不知道如何从该片段刷新列表适配器。我定义了一个名为allvalues的类,它包含我的所有全局变量。负责SMS计数的变量是allvalues.NumberOfLocations 以下是主要活动的代码: package com.faraz.locatecar; import java.uti
package com.faraz.locatecar;
import java.util.ArrayList;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.ProgressDialog;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.widget.DrawerLayout;
import android.telephony.SmsManager;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;
public class MainActivity extends Activity {
private DrawerLayout mDrawerLayout;
public static ListView mDrawerList;
private ActionBarDrawerToggle mDrawerToggle;
// nav drawer title
private CharSequence mDrawerTitle;
// used to store app title
private CharSequence mTitle;
// slide menu items
private String[] navMenuTitles;
private TypedArray navMenuIcons;
public static ArrayList<NavDrawerItem> navDrawerItems;
public static NavDrawerListAdapter adapter;
String passString;
ProgressDialog mProgressDialog;
MyDb dbf;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
allvalues.context = this;
if(!allvalues.setno){
Toast.makeText(allvalues.context, "Please choose a number", Toast.LENGTH_SHORT).show();
}
dbf = new MyDb(allvalues.context);
String phoneNumbers = dbf.trakersCount();
// to check if there is any phone numbers or not
if(phoneNumbers.matches("0")){
Toast.makeText(allvalues.context, "Please save a number first", Toast.LENGTH_SHORT).show();
}
mTitle = mDrawerTitle = getTitle();
// load slide menu items
navMenuTitles = getResources().getStringArray(R.array.nav_drawer_items);
// nav drawer icons from resources
navMenuIcons = getResources()
.obtainTypedArray(R.array.nav_drawer_icons);
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerList = (ListView) findViewById(R.id.list_slidermenu);
navDrawerItems = new ArrayList<NavDrawerItem>();
// adding nav drawer items to array
// Home
navDrawerItems.add(new NavDrawerItem(navMenuTitles[0], navMenuIcons.getResourceId(0, -1)));
// Find People
navDrawerItems.add(new NavDrawerItem(navMenuTitles[1], navMenuIcons.getResourceId(1, -1)));
// Photos
navDrawerItems.add(new NavDrawerItem(navMenuTitles[2], navMenuIcons.getResourceId(2, -1), true, allvalues.NumberOfLocations));
// Communities, Will add a counter here
navDrawerItems.add(new NavDrawerItem(navMenuTitles[3], navMenuIcons.getResourceId(3, -1)));
// Pages
navDrawerItems.add(new NavDrawerItem(navMenuTitles[4], navMenuIcons.getResourceId(4, -1)));
// Traker number choose
navDrawerItems.add(new NavDrawerItem(navMenuTitles[5], navMenuIcons.getResourceId(5, -1), true, phoneNumbers));
// add tracker number
navDrawerItems.add(new NavDrawerItem(navMenuTitles[6], navMenuIcons.getResourceId(6, -1)));
// Recycle the typed array
navMenuIcons.recycle();
mDrawerList.setOnItemClickListener(new SlideMenuClickListener());
// setting the nav drawer list adapter
adapter = new NavDrawerListAdapter(getApplicationContext(),
navDrawerItems);
mDrawerList.setAdapter(adapter);
// enabling action bar app icon and behaving it as toggle button
getActionBar().setDisplayHomeAsUpEnabled(true);
getActionBar().setHomeButtonEnabled(true);
mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
R.drawable.ic_drawer, //nav menu toggle icon
R.string.app_name, // nav drawer open - description for accessibility
R.string.app_name // nav drawer close - description for accessibility
) {
public void onDrawerClosed(View view) {
getActionBar().setTitle(mTitle);
// calling onPrepareOptionsMenu() to show action bar icons
invalidateOptionsMenu();
}
public void onDrawerOpened(View drawerView) {
getActionBar().setTitle(mDrawerTitle);
// calling onPrepareOptionsMenu() to hide action bar icons
invalidateOptionsMenu();
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
if (savedInstanceState == null) {
// on first time display view for first nav item
displayView(0);
}
}
/**
* Slide menu item click listener
* */
private class SlideMenuClickListener implements
ListView.OnItemClickListener {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
// display view for selected nav drawer item
displayView(position);
}
}
/**
* Diplaying fragment view for selected nav drawer list item
* */
private void displayView(int position) {
// update the main content by replacing fragments
Fragment fragment = null;
switch (position) {
case 0:
fragment = new HomeFragment();
break;
case 1:
new SmsBased().execute();
break;
case 2:
fragment = new OldListReader();
break;
case 3:
fragment = new ShowEveryThing();
break;
case 4:
break;
case 5:
fragment = new ChoosePhoneNumber();
break;
case 6:
fragment = new NewTrakerRegister();
break;
default:
break;
}
if (fragment != null) {
final String MyPref = "mypref";
SharedPreferences prefs = getSharedPreferences(MyPref, 0);
if(prefs.getBoolean("FirstRun", true)){
prefs.edit().putBoolean("FirstRun", false).commit();
fragment = new PasswordFragment();
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container, fragment).commit();
passString = allvalues.pass;
}else{
passString = dbf.passString();
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container, fragment).commit();
mDrawerList.setItemChecked(position, true);
mDrawerList.setSelection(position);
setTitle(navMenuTitles[position]);
mDrawerLayout.closeDrawer(mDrawerList);
}
} else {
// error in creating fragment
Log.e("MainActivity", "Error in creating fragment");
}
}
@Override
public void setTitle(CharSequence title) {
mTitle = title;
getActionBar().setTitle(mTitle);
}
/**
* When using the ActionBarDrawerToggle, you must call it during
* onPostCreate() and onConfigurationChanged()...
*/
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
// Sync the toggle state after onRestoreInstanceState has occurred.
mDrawerToggle.syncState();
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
// Pass any configuration change to the drawer toggls
mDrawerToggle.onConfigurationChanged(newConfig);
}
// Async part
private class SmsBased extends AsyncTask<Void, Void, Void>
{
@Override
protected void onPreExecute() {
super.onPreExecute();
mProgressDialog = new ProgressDialog(allvalues.context);
mProgressDialog.setTitle("Please wait ");
mProgressDialog.setMessage("SMS sending is in progress");
mProgressDialog.setIndeterminate(false);
mProgressDialog.show();
}
@Override
protected Void doInBackground(Void... params) {
allvalues.send_command = SmsManager.getDefault();
String SendChangedPassword = "where," + passString + "#";
allvalues.send_command.sendTextMessage(allvalues.PhoneNumberToSend, null, SendChangedPassword, null, null);
return null;
}
@Override
protected void onPostExecute(Void result) {
// Set title into TextView
Toast.makeText(allvalues.context, "SMS sent", Toast.LENGTH_SHORT).show();
mProgressDialog.dismiss();
}
}
}
package com.faraz.locatecar;
导入java.util.ArrayList;
导入android.app.Activity;
导入android.app.Fragment;
导入android.app.FragmentManager;
导入android.app.ProgressDialog;
导入android.content.SharedReferences;
导入android.content.res.Configuration;
导入android.content.res.TypedArray;
导入android.os.AsyncTask;
导入android.os.Bundle;
导入android.support.v4.app.ActionBarDrawerToggle;
导入android.support.v4.widget.DrawerLayout;
导入android.telephony.smsmsmanager;
导入android.util.Log;
导入android.view.view;
导入android.widget.AdapterView;
导入android.widget.ListView;
导入android.widget.Toast;
公共类MainActivity扩展了活动{
私人抽屉布局mDrawerLayout;
公共静态列表视图mDrawerList;
私有操作bardrawertoggle mDrawerToggle;
//导航抽屉标题
私有字符序列mDrawerTitle;
//用于存储应用程序标题
私有字符序列mTitle;
//幻灯片菜单项
私有字符串[]navMenuTitles;
专用型雷达导航仪;
公共静态数组列表;
公共静态导航适配器;
字符串passString;
进程对话框;
MyDb dbf;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
allvalues.context=this;
如果(!allvalues.setno){
Toast.makeText(allvalues.context,“请选择一个数字”,Toast.LENGTH_SHORT.show();
}
dbf=新的MyDb(allvalues.context);
字符串phoneNumbers=dbf.trakerscont();
//检查是否有任何电话号码
if(phoneNumbers.matches(“0”)){
Toast.makeText(allvalues.context,“请先保存一个数字”,Toast.LENGTH_SHORT.show();
}
mTitle=mDrawerTitle=getTitle();
//加载幻灯片菜单项
navMenuTitles=getResources().getStringArray(R.array.nav\u抽屉\u项目);
//参考资料中的导航抽屉图标
navMenuIcons=getResources()
.obtainTypedArray(R.array.nav_drawer_图标);
mDrawerLayout=(抽屉布局)findViewById(R.id.抽屉布局);
mDrawerList=(ListView)findViewById(R.id.list\u slidermenu);
navDrawerItems=新的ArrayList();
//将导航抽屉项添加到阵列
//家
添加(新的NavDrawerItem(navMenuTitles[0],navMenuIcons.getResourceId(0,-1));
//找人
添加(新的NavDrawerItem(navMenuTitles[1],navMenuIcons.getResourceId(1,-1));
//照片
add(新的NavDrawerItem(navMenuTitles[2],navMenuIcons.getResourceId(2,-1),true,allvalues.NumberOfLocations));
//社区,将在此处添加一个计数器
add(新的NavDrawerItem(navMenuTitles[3],navMenuIcons.getResourceId(3,-1));
//页数
add(新的NavDrawerItem(navMenuTitles[4],navMenuIcons.getResourceId(4,-1));
//Traker号码选择
add(新的NavDrawerItem(navMenuTitles[5],navMenuIcons.getResourceId(5,-1),true,phoneNumber));
//添加跟踪器编号
add(新的NavDrawerItem(navMenuTitles[6],navMenuIcons.getResourceId(6,-1));
//回收类型化数组
navMenuIcons.recycle();
setOnItemClickListener(新的SlideMenuClickListener());
//设置导航抽屉列表适配器
适配器=新的NavDroperListAdapter(getApplicationContext(),
纳维特姆斯);
mDrawerList.setAdapter(适配器);
//启用操作栏应用程序图标并将其作为切换按钮
getActionBar().setDisplayHomeAsUpEnabled(true);
getActionBar().setHomeButtonEnabled(true);
mDrawerToggle=新操作BarDrawerToggle(此,mDrawerLayout,
R.drawable.ic_抽屉,//导航菜单切换图标
R.string.app_name,//导航抽屉打开-可访问性说明
R.string.app_name//nav抽屉关闭-可访问性说明
) {
公共无效onDrawerClosed(视图){
getActionBar().setTitle(mTitle);
//调用onPrepareOptions菜单()以显示操作栏图标
无效操作菜单();
}
打开图纸上的公共空白(视图抽屉视图){
getActionBar().setTitle(mDrawerTitle);
//调用onPrepareOptions菜单()隐藏操作栏图标
无效操作菜单();
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
如果(savedInstanceState==null){
//第一个导航项目的首次显示视图
显示视图(0);
}
}
/**
*幻灯片菜单项单击“侦听器”
* */
私有类SlideMenuClickListener实现
ListView.com侦听器{
@凌驾
public void onItemClick(AdapterView父视图、视图、整型位置、,
长id){
//所选导航抽屉项目的显示视图
显示视图(位置);
}
}
/**
*为所选导航抽屉列表项显示片段视图
* */
私有void显示视图(内部位置){
//通过替换片段更新主要内容
package com.faraz.locatecar;
import java.util.ArrayList;
import android.app.Fragment;
import android.app.FragmentManager;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
public class ChoosePhoneNumber extends Fragment {
private static int i;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){
View view = inflater.inflate(R.layout.choose_number, container, false);
allvalues.AllPhones_list = new ArrayList<String>();
MyDb phonechoose = new MyDb(allvalues.context);
phonechoose.readTrakers();
allvalues.showphones = (ListView) view.findViewById(R.id.listphone);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(allvalues.context,android.R.layout.simple_list_item_1, android.R.id.text1, allvalues.AllPhones_list);
allvalues.showphones.setAdapter(adapter);
// just added from here
allvalues.showphones.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, final View view,
int position, long id) {
final String item = (String) parent.getItemAtPosition(position);
allvalues.PhoneNumberToSend = item;
Toast.makeText(allvalues.context, "شماره :" + allvalues.PhoneNumberToSend, Toast.LENGTH_SHORT).show();
allvalues.setno = true;
SMSNumbers();
Fragment fr = new HomeFragment();
FragmentManager fm = getFragmentManager();
fm.beginTransaction().replace(R.id.frame_container, fr).commit();
}
});
// till up here
return view;
}
public void SMSNumbers()
{
Uri uriSms = Uri.parse("content://sms/inbox");
Cursor cursor = allvalues.context.getContentResolver().query(uriSms, new String[]{"_id", "address", "date", "body"},null,null,null);
if(cursor!=null){
cursor.moveToFirst();
while (cursor.moveToNext())
{
String address = cursor.getString(1);
if(address.equals(allvalues.PhoneNumberToSend)){
i++;
}
}
}
allvalues.NumberOfLocations = i + "";
Toast.makeText(allvalues.context, allvalues.NumberOfLocations, Toast.LENGTH_SHORT).show();
}
}
public interface FragmentListener {
void refreshData();
}
private FragmentListener listener;
listener.refreshData();
public void setListener(FragmentListener listener) {
this.listener = listener;
}
ChoosePhoneNumber fragment = new Fragment();
fragment.setListener(new FragmentListener() {
public void refreshData() {
//Whatever you want to do.
}
});
getActivity().finish();
getActivity().startActivity(getActivity().getIntent());