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Я использую webview в родительских и дочерних группах расширяемого списка. но он не отображает список. и для этого требуется разрешение Bluetooth.webview в expandablelistview ничего не показывает
мой адаптер для расширяемого списка
package com.example.gopideiva.mathbook;
import android.content.Context;
import android.graphics.Typeface;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebView;
import android.widget.BaseExpandableListAdapter;
import android.widget.TextView;
public class ExpandableListAdapter extends BaseExpandableListAdapter {
private Context _context;
private List<String> _listDataHeader; // header titles
// child data in format of header title, child title
private HashMap<String, List<String>> _listDataChild;
public ExpandableListAdapter(Context context, List<String> listDataHeader,
HashMap<String, List<String>> listChildData) {
this._context = context;
this._listDataHeader = listDataHeader;
this._listDataChild = listChildData;
}
@Override
public Object getChild(int groupPosition, int childPosititon) {
return this._listDataChild.get(this._listDataHeader.get(groupPosition))
.get(childPosititon);
}
@Override
public long getChildId(int groupPosition, int childPosition) {
return childPosition;
}
@Override
public View getChildView(int groupPosition, final int childPosition,
boolean isLastChild, View convertView, ViewGroup parent) {
final String childText = (String) getChild(groupPosition, childPosition);
if (convertView == null) {
LayoutInflater infalInflater = (LayoutInflater) this._context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = infalInflater.inflate(R.layout.onemarkans, null);
}
WebView txtListChild = (WebView) convertView
.findViewById(R.id.webView2);
txtListChild.getSettings().setJavaScriptEnabled(true);
txtListChild.getSettings().setDomStorageEnabled(true);
txtListChild.loadData(childText, "text/html", null);
return convertView;
}
@Override
public int getChildrenCount(int groupPosition) {
return this._listDataChild.get(this._listDataHeader.get(groupPosition))
.size();
}
@Override
public Object getGroup(int groupPosition) {
return this._listDataHeader.get(groupPosition);
}
@Override
public int getGroupCount() {
return this._listDataHeader.size();
}
@Override
public long getGroupId(int groupPosition) {
return groupPosition;
}
@Override
public View getGroupView(int groupPosition, boolean isExpanded,
View convertView, ViewGroup parent) {
try {
String headerTitle = (String) getGroup(groupPosition);
if (convertView == null) {
LayoutInflater infalInflater = (LayoutInflater) this._context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = infalInflater.inflate(R.layout.onemarkque, null);
}
WebView lblListHeader = (WebView) convertView
.findViewById(R.id.webView);
lblListHeader.getSettings().setJavaScriptEnabled(true);
lblListHeader.getSettings().setDomStorageEnabled(true);
//lblListHeader.loadDataWithBaseURL(null,headerTitle,"text/html","utf-8",null);
lblListHeader.loadData(headerTitle, "text/html", "utf-8");
}
catch (Exception e){
Log.d("gopi","error in header"+e.getMessage());
}
return convertView;
}
@Override
public boolean hasStableIds() {
return false;
}
@Override
public boolean isChildSelectable(int groupPosition, int childPosition) {
return true;
}
}
это моя почта деятельность- Добро пожаловать
package com.example.gopideiva.mathbook;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ExpandableListView;
import android.widget.TextView;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
public class Welcome extends ActionBarActivity
implements NavigationDrawerFragment.NavigationDrawerCallbacks {
/**
* Fragment managing the behaviors, interactions and presentation of the navigation drawer.
*/
private NavigationDrawerFragment mNavigationDrawerFragment;
/**
* Used to store the last screen title. For use in {@link #restoreActionBar()}.
*/
public static CharSequence mTitle;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_welcome);
mNavigationDrawerFragment = (NavigationDrawerFragment)
getSupportFragmentManager().findFragmentById(R.id.navigation_drawer);
mTitle = getTitle();
// Set up the drawer.
mNavigationDrawerFragment.setUp(
R.id.navigation_drawer,
(DrawerLayout) findViewById(R.id.drawer_layout));
}
@Override
public void onNavigationDrawerItemSelected(int position) {
// update the main content by replacing fragments
FragmentManager fragmentManager = getSupportFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.container, PlaceholderFragment.newInstance(position + 1))
.commit();
}
public void onSectionAttached(int number) {
switch (number) {
case 1:
mTitle = getString(R.string.title_section1);
break;
case 2:
mTitle = getString(R.string.title_section2);
break;
case 3:
mTitle = getString(R.string.title_section3);
break;
case 4:
mTitle = getString(R.string.title_section4);
break;
case 5:
mTitle = getString(R.string.title_section5);
break;
}
}
public void restoreActionBar() {
ActionBar actionBar = getSupportActionBar();
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
actionBar.setDisplayShowTitleEnabled(true);
actionBar.setTitle(mTitle);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
if (!mNavigationDrawerFragment.isDrawerOpen()) {
// Only show items in the action bar relevant to this screen
// if the drawer is not showing. Otherwise, let the drawer
// decide what to show in the action bar.
getMenuInflater().inflate(R.menu.welcome, menu);
restoreActionBar();
return true;
}
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* A placeholder fragment containing a simple view.
*/
public static class PlaceholderFragment extends Fragment {
/**
* The fragment argument representing the section number for this
* fragment.
*/
ExpandableListAdapter listAdapter;
ExpandableListView expListView;
List<String> listDataHeader;
HashMap<String, List<String>> listDataChild;
private static final String ARG_SECTION_NUMBER = "section_number";
/**
* Returns a new instance of this fragment for the given section
* number.
*/
public static PlaceholderFragment newInstance(int sectionNumber) {
PlaceholderFragment fragment = new PlaceholderFragment();
Bundle args = new Bundle();
args.putInt(ARG_SECTION_NUMBER, sectionNumber);
fragment.setArguments(args);
return fragment;
}
public PlaceholderFragment() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
Log.d("gopi","title is"+mTitle);
if (mTitle.equals("1 Marks")){
View rootView = inflater.inflate(R.layout.onemarks, container, false);
expListView = (ExpandableListView) rootView.findViewById(R.id.expandableListView);
prepareListData();
listAdapter = new ExpandableListAdapter(getActivity(), listDataHeader, listDataChild);
// setting list adapter
expListView.setAdapter(listAdapter);
// Listview Group click listener
expListView.setOnGroupClickListener(new ExpandableListView.OnGroupClickListener() {
@Override
public boolean onGroupClick(ExpandableListView parent, View v,
int groupPosition, long id) {
// Toast.makeText(getApplicationContext(),
// "Group Clicked " + listDataHeader.get(groupPosition),
// Toast.LENGTH_SHORT).show();
return false;
}
});
// Listview Group expanded listener
expListView.setOnGroupExpandListener(new ExpandableListView.OnGroupExpandListener() {
@Override
public void onGroupExpand(int groupPosition) {
Toast.makeText(getActivity(),
listDataHeader.get(groupPosition) + " Expanded",
Toast.LENGTH_SHORT).show();
}
});
// Listview Group collasped listener
expListView.setOnGroupCollapseListener(new ExpandableListView.OnGroupCollapseListener() {
@Override
public void onGroupCollapse(int groupPosition) {
Toast.makeText(getActivity(),
listDataHeader.get(groupPosition) + " Collapsed",
Toast.LENGTH_SHORT).show();
}
});
// Listview on child click listener
expListView.setOnChildClickListener(new ExpandableListView.OnChildClickListener() {
@Override
public boolean onChildClick(ExpandableListView parent, View v,
int groupPosition, int childPosition, long id) {
// TODO Auto-generated method stub
Toast.makeText(
getActivity(),
listDataHeader.get(groupPosition)
+ " : "
+ listDataChild.get(
listDataHeader.get(groupPosition)).get(
childPosition), Toast.LENGTH_SHORT)
.show();
return false;
}
});
return rootView;
}
else if (mTitle.equals("3 Marks")){
View rootView = inflater.inflate(R.layout.threemarks, container, false);
return rootView;
}
else if (mTitle.equals("5 Marks")){
View rootView = inflater.inflate(R.layout.fivemarks, container, false);
return rootView;
}
else if (mTitle.equals("10 Marks")){
View rootView = inflater.inflate(R.layout.tenmarks, container, false);
return rootView;
}
else{
View rootView = inflater.inflate(R.layout.fragment_welcome, container, false);
TextView t = (TextView) rootView.findViewById(R.id.textview1);
t.setText(Welcome.mTitle);
return rootView;
}
}
private void prepareListData() {
listDataHeader = new ArrayList<String>();
listDataChild = new HashMap<String, List<String>>();
// Adding child data
listDataHeader.add("<html><body><p>question 1</p></body></html>");
listDataHeader.add("<html><body><p>question 2</p></body></html");
listDataHeader.add("<html><body><p>question 3</p></body></html");
// Adding child data
List<String> que1 = new ArrayList<String>();
que1.add("<html><body><p>123</p></body></html>");
List<String> que2 = new ArrayList<String>();
que2.add("<html><body><p>234</p></body></html>");
List<String> que3 = new ArrayList<String>();
que3.add("<html><body><p>345</p></body></html>");
listDataChild.put(listDataHeader.get(0), que1); // Header, Child data
listDataChild.put(listDataHeader.get(1), que2);
listDataChild.put(listDataHeader.get(2), que3);
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
((Welcome) activity).onSectionAttached(
getArguments().getInt(ARG_SECTION_NUMBER));
}
}
}
onemarks XMLFILE
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<ExpandableListView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/expandableListView"
android:layout_gravity="center_horizontal" />
</LinearLayout>
onemarkque.xml ---- заголовок списка
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<WebView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/webView"
android:background="#124578"/>
</LinearLayout>
onemarkans.xml --- ребенок списка
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent"
android:weightSum="1">
<WebView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/webView2" />
</LinearLayout>
я использую по умолчанию шаблон панели навигации в Android Studio. Я не могу опубликовать его из-за длины содержимого. если я хочу, я отправлю его в поле ответа.
enter code here
Если я использовал текст в расширяемом списке, он дает результат. для веб-просмотра это не так.
мой журнал выглядит следующим образом
01-07 06:54:01.906 12300-12300/com.example.gopideiva.mathbook I/art﹕ Late- enabling -Xcheck:jni
01-07 06:54:02.236 12300-12300/com.example.gopideiva.mathbook D/gopi﹕ title isWelcome
01-07 06:54:02.257 12300-12318/com.example.gopideiva.mathbook D/OpenGLRenderer﹕ Use EGL_SWAP_BEHAVIOR_PRESERVED: true
01-07 06:54:02.267 12300-12300/com.example.gopideiva.mathbook D/Atlas﹕ Validating map...
01-07 06:54:02.327 12300-12318/com.example.gopideiva.mathbook I/Adreno-EGL﹕ <qeglDrvAPI_eglInitialize:410>: EGL 1.4 QUALCOMM build: AU_LINUX_ANDROID_LA.BF.1.1.1_RB1.05.00.02.042.016_msm8610_LA.BF.1.1.1_RB1__relea se_AU()
OpenGL ES Shader Compiler Version: E031.25.03.00
Build Date: 02/11/15 Wed
Local Branch:
Remote Branch: quic/LA.BF.1.1.1_rb1.10
Local Patches: NONE
Reconstruct Branch: AU_LINUX_ANDROID_LA.BF.1.1.1_RB1.05.00.02.042.016 + 62ca4eb + acd831d + 9f8b442 + e027a02 + cba30ba + 53c303a + a649d79 + 23e16f8 + 5e97da7 + cbd2a44 + 33d072a + 7aacf06 + 72b33e7 + 28f6f60 + b4c13d8 + NOTHING
01-07 06:54:02.329 12300-12318/com.example.gopideiva.mathbook I/OpenGLRenderer﹕ Initialized EGL, version 1.4
01-07 06:54:02.352 12300-12318/com.example.gopideiva.mathbook D/OpenGLRenderer﹕ Enabling debug mode 0
01-07 06:54:05.432 12300-12300/com.example.gopideiva.mathbook D/gopi﹕ title is3 Marks
01-07 06:54:08.419 12300-12300/com.example.gopideiva.mathbook D/gopi﹕ title is1 Marks
01-07 06:54:08.537 12300-12300/com.example.gopideiva.mathbook I/WebViewFactory﹕ Loading com.google.android.webview version 46.0.2490.76 (code 249007600)
01-07 06:54:08.573 12300-12300/com.example.gopideiva.mathbook I/cr.library_loader﹕ Time to load native libraries: 3 ms (timestamps 9692-9695)
01-07 06:54:08.573 12300-12300/com.example.gopideiva.mathbook I/cr.library_loader﹕ Expected native library version number "46.0.2490.76", actual native library version number "46.0.2490.76"
01-07 06:54:08.602 12300-12300/com.example.gopideiva.mathbook I/cr.library_loader﹕ Expected native library version number "46.0.2490.76", actual native library version number "46.0.2490.76"
01-07 06:54:08.603 12300-12300/com.example.gopideiva.mathbook I/chromium﹕ [INFO:library_loader_hooks.cc(118)] Chromium logging enabled: level = 0, default verbosity = 0
01-07 06:54:08.624 12300-12300/com.example.gopideiva.mathbook I/cr.BrowserStartup﹕ Initializing chromium process, singleProcess=true
01-07 06:54:08.643 12300-12300/com.example.gopideiva.mathbook E/SysUtils﹕ ApplicationContext is null in ApplicationStatus
01-07 06:54:08.742 12300-12300/com.example.gopideiva.mathbook E/chromium﹕ [ERROR:browser_gpu_channel_host_factory.cc(258)] Failed to init browser shader disk cache.
01-07 06:54:08.786 12300-12300/com.example.gopideiva.mathbook E/libEGL﹕ validate_display:255 error 3008 (EGL_BAD_DISPLAY)
01-07 06:54:08.798 12300-12739/com.example.gopideiva.mathbook D/BluetoothAdapter﹕ 767924514: getState() : mService = null. Returning STATE_OFF
01-07 06:54:08.805 12300-12300/com.example.gopideiva.mathbook I/art﹕ Rejecting re-init on previously-failed class java.lang.Class<com.android.webview.chromium.WebViewContentsClientAdapter$WebRes ourceErrorImpl>
01-07 06:54:08.805 12300-12300/com.example.gopideiva.mathbook I/art﹕ Rejecting re-init on previously-failed class java.lang.Class<com.android.webview.chromium.WebViewContentsClientAdapter$WebRes ourceErrorImpl>
01-07 06:54:08.873 12300-12300/com.example.gopideiva.mathbook I/art﹕ Rejecting re-init on previously-failed class java.lang.Class<org.chromium.content.browser.FloatingWebActionModeCallback>
01-07 06:54:08.873 12300-12300/com.example.gopideiva.mathbook I/art﹕ Rejecting re-init on previously-failed class java.lang.Class<org.chromium.content.browser.FloatingWebActionModeCallback>
01-07 06:54:08.904 12300-12300/com.example.gopideiva.mathbook W/art﹕ Attempt to remove local handle scope entry from IRT, ignoring
01-07 06:54:08.916 12300-12300/com.example.gopideiva.mathbook W/AwContents﹕ onDetachedFromWindow called when already detached. Ignoring
01-07 06:54:08.987 12300-12300/com.example.gopideiva.mathbook W/art﹕ Attempt to remove local handle scope entry from IRT, ignoring
01-07 06:54:08.990 12300-12300/com.example.gopideiva.mathbook W/AwContents﹕ onDetachedFromWindow called when already detached. Ignoring
01-07 06:54:09.039 12300-12300/com.example.gopideiva.mathbook W/art﹕ Attempt to remove local handle scope entry from IRT, ignoring
01-07 06:54:09.043 12300-12300/com.example.gopideiva.mathbook W/AwContents﹕ onDetachedFromWindow called when already detached. Ignoring
01-07 06:54:09.125 12300-12300/com.example.gopideiva.mathbook W/cr.BindingManager﹕ Cannot call determinedVisibility() - never saw a connection for the pid: 12300
01-07 06:54:09.128 12300-12300/com.example.gopideiva.mathbook W/cr.BindingManager﹕ Cannot call determinedVisibility() - never saw a connection for the pid: 12300
01-07 06:54:09.130 12300-12300/com.example.gopideiva.mathbook W/cr.BindingManager﹕ Cannot call determinedVisibility() - never saw a connection for the pid: 12300
01-07 06:54:09.185 12300-12300/com.example.gopideiva.mathbook W/cr.BindingManager﹕ Cannot call determinedVisibility() - never saw a connection for the pid: 12300
01-07 06:54:09.186 12300-12300/com.example.gopideiva.mathbook W/cr.BindingManager﹕ Cannot call determinedVisibility() - never saw a connection for the pid: 12300
Выход иногда показывает 1-ый элемент в заголовке. иногда это не так. Помогите мне выйти из этого.
Я использовал веб-просмотр со списком. Он работает нормально. Тогда только u попытался с расширяемым списком просмотров –
Caowenhua Не могли бы вы сказать еще раз? –