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package com.daniel.exandableListview;
import java.util.ArrayList;
import java.util.List;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.util.AttributeSet;
import android.util.SparseArray;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.Transformation;
import android.widget.AbsListView;
import android.widget.BaseExpandableListAdapter;
import android.widget.ExpandableListAdapter;
import android.widget.ExpandableListView;
/**
* This class defines an ExpandableListView which supports animations for
* collapsing and expanding groups.
*/
public class AnimatedExpandableListView extends ExpandableListView {
/*
* A detailed explanation for how this class works:
*
* Animating the ExpandableListView was no easy task. The way that this
* class does it is by exploiting how an ExpandableListView works.
*
* Normally when {@link ExpandableListView#collapseGroup(int)} or
* {@link ExpandableListView#expandGroup(int)} is called, the view toggles
* the flag for a group and calls notifyDataSetChanged to cause the ListView
* to refresh all of it's view. This time however, depending on whether a
* group is expanded or collapsed, certain childViews will either be ignored
* or added to the list.
*
* Knowing this, we can come up with a way to animate our views. For
* instance for group expansion, we tell the adapter to animate the
* children of a certain group. We then expand the group which causes the
* ExpandableListView to refresh all views on screen. The way that
* ExpandableListView does this is by calling getView() in the adapter.
* However since the adapter knows that we are animating a certain group,
* instead of returning the real views for the children of the group being
* animated, it will return a fake dummy view. This dummy view will then
* draw the real child views within it's dispatchDraw function. The reason
* we do this is so that we can animate all of it's children by simply
* animating the dummy view. After we complete the animation, we tell the
* adapter to stop animating the group and call notifyDataSetChanged. Now
* the ExpandableListView is forced to refresh it's views again, except this
* time, it will get the real views for the expanded group.
*
* So, to list it all out, when {@link #expandGroupWithAnimation(int)} is
* called the following happens:
*
* 1. The ExpandableListView tells the adapter to animate a certain group.
* 2. The ExpandableListView calls expandGroup.
* 3. ExpandGroup calls notifyDataSetChanged.
* 4. As an result, getChildView is called for expanding group.
* 5. Since the adapter is in "animating mode", it will return a dummy view.
* 6. This dummy view draws the actual children of the expanding group.
* 7. This dummy view's height is animated from 0 to it's expanded height.
* 8. Once the animation completes, the adapter is notified to stop
* animating the group and notifyDataSetChanged is called again.
* 9. This forces the ExpandableListView to refresh all of it's views again.
* 10.This time when getChildView is called, it will return the actual
* child views.
*
* For animating the collapse of a group is a bit more difficult since we
* can't call collapseGroup from the start as it would just ignore the
* child items, giving up no chance to do any sort of animation. Instead
* what we have to do is play the animation first and call collapseGroup
* after the animation is done.
*
* So, to list it all out, when {@link #collapseGroupWithAnimation(int)} is
* called the following happens:
*
* 1. The ExpandableListView tells the adapter to animate a certain group.
* 2. The ExpandableListView calls notifyDataSetChanged.
* 3. As an result, getChildView is called for expanding group.
* 4. Since the adapter is in "animating mode", it will return a dummy view.
* 5. This dummy view draws the actual children of the expanding group.
* 6. This dummy view's height is animated from it's current height to 0.
* 7. Once the animation completes, the adapter is notified to stop
* animating the group and notifyDataSetChanged is called again.
* 8. collapseGroup is finally called.
* 9. This forces the ExpandableListView to refresh all of it's views again.
* 10.This time when the ListView will not get any of the child views for
* the collapsed group.
*/
@SuppressWarnings("unused")
private static final String TAG = AnimatedExpandableListAdapter.class.getSimpleName();
/**
* The duration of the expand/collapse animations
*/
private static final int ANIMATION_DURATION = 300;
private AnimatedExpandableListAdapter adapter;
public AnimatedExpandableListView(Context context) {
super(context);
}
public AnimatedExpandableListView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public AnimatedExpandableListView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
/**
* @see ExpandableListView#setAdapter(ExpandableListAdapter)
*/
public void setAdapter(ExpandableListAdapter adapter) {
super.setAdapter(adapter);
// Make sure that the adapter extends AnimatedExpandableListAdapter
if(adapter instanceof AnimatedExpandableListAdapter) {
this.adapter = (AnimatedExpandableListAdapter) adapter;
this.adapter.setParent(this);
} else {
throw new ClassCastException(adapter.toString() + " must implement AnimatedExpandableListAdapter");
}
}
/**
* Expands the given group with an animation.
* @param groupPos The position of the group to expand
* @return Returns true if the group was expanded. False if the group was
* already expanded.
*/
@SuppressLint("NewApi")
public boolean expandGroupWithAnimation(int groupPos) {
boolean lastGroup = groupPos == adapter.getGroupCount() - 1;
if (lastGroup && Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
return expandGroup(groupPos, true);
}
int groupFlatPos = getFlatListPosition(getPackedPositionForGroup(groupPos));
if (groupFlatPos != -1) {
int childIndex = groupFlatPos - getFirstVisiblePosition();
if (childIndex < getChildCount()) {
// Get the view for the group is it is on screen...
View v = getChildAt(childIndex);
if (v.getBottom() >= getBottom()) {
// If the user is not going to be able to see the animation
// we just expand the group without an animation.
// This resolves the case where getChildView will not be
// called if the children of the group is not on screen
// We need to notify the adapter that the group was expanded
// without it's knowledge
adapter.notifyGroupExpanded(groupPos);
return expandGroup(groupPos);
}
}
}
// Let the adapter know that we are starting the animation...
adapter.startExpandAnimation(groupPos, 0);
// Finally call expandGroup (note that expandGroup will call
// notifyDataSetChanged so we don't need to)
return expandGroup(groupPos);
}
/**
* Collapses the given group with an animation.
* @param groupPos The position of the group to collapse
* @return Returns true if the group was collapsed. False if the group was
* already collapsed.
*/
public boolean collapseGroupWithAnimation(int groupPos) {
int groupFlatPos = getFlatListPosition(getPackedPositionForGroup(groupPos));
if (groupFlatPos != -1) {
int childIndex = groupFlatPos - getFirstVisiblePosition();
if (childIndex >= 0 && childIndex < getChildCount()) {
// Get the view for the group is it is on screen...
View v = getChildAt(childIndex);
if (v.getBottom() >= getBottom()) {
// If the user is not going to be able to see the animation
// we just collapse the group without an animation.
// This resolves the case where getChildView will not be
// called if the children of the group is not on screen
return collapseGroup(groupPos);
}
} else {
// If the group is offscreen, we can just collapse it without an
// animation...
return collapseGroup(groupPos);
}
}
// Get the position of the firstChild visible from the top of the screen
long packedPos = getExpandableListPosition(getFirstVisiblePosition());
int firstChildPos = getPackedPositionChild(packedPos);
int firstGroupPos = getPackedPositionGroup(packedPos);
// If the first visible view on the screen is a child view AND it's a
// child of the group we are trying to collapse, then set that
// as the first child position of the group... see
// {@link #startCollapseAnimation(int, int)} for why this is necessary
firstChildPos = firstChildPos == -1 || firstGroupPos != groupPos ? 0 : firstChildPos;
// Let the adapter know that we are going to start animating the
// collapse animation.
adapter.startCollapseAnimation(groupPos, firstChildPos);
// Force the listview to refresh it's views
adapter.notifyDataSetChanged();
return isGroupExpanded(groupPos);
}
private int getAnimationDuration() {
return ANIMATION_DURATION;
}
/**
* Used for holding information regarding the group.
*/
private static class GroupInfo {
boolean animating = false;
boolean expanding = false;
int firstChildPosition;
/**
* This variable contains the last known height value of the dummy view.
* We save this information so that if the user collapses a group
* before it fully expands, the collapse animation will start from the
* CURRENT height of the dummy view and not from the full expanded
* height.
*/
int dummyHeight = -1;
}
/**
* A specialized adapter for use with the AnimatedExpandableListView. All
* adapters used with AnimatedExpandableListView MUST extend this class.
*/
public static abstract class AnimatedExpandableListAdapter extends BaseExpandableListAdapter {
private SparseArray<GroupInfo> groupInfo = new SparseArray<GroupInfo>();
private AnimatedExpandableListView parent;
private static final int STATE_IDLE = 0;
private static final int STATE_EXPANDING = 1;
private static final int STATE_COLLAPSING = 2;
private void setParent(AnimatedExpandableListView parent) {
this.parent = parent;
}
public int getRealChildType(int groupPosition, int childPosition) {
return 0;
}
public int getRealChildTypeCount() {
return 1;
}
public abstract View getRealChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent);
public abstract int getRealChildrenCount(int groupPosition);
private GroupInfo getGroupInfo(int groupPosition) {
GroupInfo info = groupInfo.get(groupPosition);
if (info == null) {
info = new GroupInfo();
groupInfo.put(groupPosition, info);
}
return info;
}
public void notifyGroupExpanded(int groupPosition) {
GroupInfo info = getGroupInfo(groupPosition);
info.dummyHeight = -1;
}
private void startExpandAnimation(int groupPosition, int firstChildPosition) {
GroupInfo info = getGroupInfo(groupPosition);
info.animating = true;
info.firstChildPosition = firstChildPosition;
info.expanding = true;
}
private void startCollapseAnimation(int groupPosition, int firstChildPosition) {
GroupInfo info = getGroupInfo(groupPosition);
info.animating = true;
info.firstChildPosition = firstChildPosition;
info.expanding = false;
}
private void stopAnimation(int groupPosition) {
GroupInfo info = getGroupInfo(groupPosition);
info.animating = false;
}
/**
* Override {@link #getRealChildType(int, int)} instead.
*/
@Override
public final int getChildType(int groupPosition, int childPosition) {
GroupInfo info = getGroupInfo(groupPosition);
if (info.animating) {
// If we are animating this group, then all of it's children
// are going to be dummy views which we will say is type 0.
return 0;
} else {
// If we are not animating this group, then we will add 1 to
// the type it has so that no type id conflicts will occur
// unless getRealChildType() returns MAX_INT
return getRealChildType(groupPosition, childPosition) + 1;
}
}
/**
* Override {@link #getRealChildTypeCount()} instead.
*/
@Override
public final int getChildTypeCount() {
// Return 1 more than the childTypeCount to account for DummyView
return getRealChildTypeCount() + 1;
}
protected ViewGroup.LayoutParams generateDefaultLayoutParams() {
return new AbsListView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.WRAP_CONTENT, 0);
}
/**
* Override {@link #getChildView(int, int, boolean, View, ViewGroup)} instead.
*/
@Override
public final View getChildView(final int groupPosition, int childPosition, boolean isLastChild, View convertView, final ViewGroup parent) {
final GroupInfo info = getGroupInfo(groupPosition);
if (info.animating) {
// If this group is animating, return the a DummyView...
if (convertView instanceof DummyView == false) {
convertView = new DummyView(parent.getContext());
convertView.setLayoutParams(new AbsListView.LayoutParams(LayoutParams.MATCH_PARENT, 0));
}
if (childPosition < info.firstChildPosition) {
// The reason why we do this is to support the collapse
// this group when the group view is not visible but the
// children of this group are. When notifyDataSetChanged
// is called, the ExpandableListView tries to keep the
// list position the same by saving the first visible item
// and jumping back to that item after the views have been
// refreshed. Now the problem is, if a group has 2 items
// and the first visible item is the 2nd child of the group
// and this group is collapsed, then the dummy view will be
// used for the group. But now the group only has 1 item
// which is the dummy view, thus when the ListView is trying
// to restore the scroll position, it will try to jump to
// the second item of the group. But this group no longer
// has a second item, so it is forced to jump to the next
// group. This will cause a very ugly visual glitch. So
// the way that we counteract this is by creating as many
// dummy views as we need to maintain the scroll position
// of the ListView after notifyDataSetChanged has been
// called.
convertView.getLayoutParams().height = 0;
return convertView;
}
final ExpandableListView listView = (ExpandableListView) parent;
final DummyView dummyView = (DummyView) convertView;
// Clear the views that the dummy view draws.
dummyView.clearViews();
// Set the style of the divider
dummyView.setDivider(listView.getDivider(), parent.getMeasuredWidth(), listView.getDividerHeight());
// Make measure specs to measure child views
final int measureSpecW = MeasureSpec.makeMeasureSpec(parent.getWidth(), MeasureSpec.EXACTLY);
final int measureSpecH = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
int totalHeight = 0;
int clipHeight = parent.getHeight();
final int len = getRealChildrenCount(groupPosition);
for (int i = info.firstChildPosition; i < len; i++) {
View childView = getRealChildView(groupPosition, i, (i == len - 1), null, parent);
LayoutParams p = (LayoutParams) childView.getLayoutParams();
if (p == null) {
p = (AbsListView.LayoutParams) generateDefaultLayoutParams();
childView.setLayoutParams(p);
}
int lpHeight = p.height;
int childHeightSpec;
if (lpHeight > 0) {
childHeightSpec = MeasureSpec.makeMeasureSpec(lpHeight, MeasureSpec.EXACTLY);
} else {
childHeightSpec = measureSpecH;
}
childView.measure(measureSpecW, childHeightSpec);
totalHeight += childView.getMeasuredHeight();
if (totalHeight < clipHeight) {
// we only need to draw enough views to fool the user...
dummyView.addFakeView(childView);
} else {
dummyView.addFakeView(childView);
// if this group has too many views, we don't want to
// calculate the height of everything... just do a light
// approximation and break
int averageHeight = totalHeight / (i + 1);
totalHeight += (len - i - 1) * averageHeight;
break;
}
}
Object o;
int state = (o = dummyView.getTag()) == null ? STATE_IDLE : (Integer) o;
if (info.expanding && state != STATE_EXPANDING) {
ExpandAnimation ani = new ExpandAnimation(dummyView, 0, totalHeight, info);
ani.setDuration(this.parent.getAnimationDuration());
ani.setAnimationListener(new AnimationListener() {
@Override
public void onAnimationEnd(Animation animation) {
stopAnimation(groupPosition);
notifyDataSetChanged();
dummyView.setTag(STATE_IDLE);
}
@Override
public void onAnimationRepeat(Animation animation) {}
@Override
public void onAnimationStart(Animation animation) {}
});
dummyView.startAnimation(ani);
dummyView.setTag(STATE_EXPANDING);
} else if (!info.expanding && state != STATE_COLLAPSING) {
if (info.dummyHeight == -1) {
info.dummyHeight = totalHeight;
}
ExpandAnimation ani = new ExpandAnimation(dummyView, info.dummyHeight, 0, info);
ani.setDuration(this.parent.getAnimationDuration());
ani.setAnimationListener(new AnimationListener() {
@Override
public void onAnimationEnd(Animation animation) {
stopAnimation(groupPosition);
listView.collapseGroup(groupPosition);
notifyDataSetChanged();
info.dummyHeight = -1;
dummyView.setTag(STATE_IDLE);
}
@Override
public void onAnimationRepeat(Animation animation) {}
@Override
public void onAnimationStart(Animation animation) {}
});
dummyView.startAnimation(ani);
dummyView.setTag(STATE_COLLAPSING);
}
return convertView;
} else {
return getRealChildView(groupPosition, childPosition, isLastChild, convertView, parent);
}
}
@Override
public final int getChildrenCount(int groupPosition) {
GroupInfo info = getGroupInfo(groupPosition);
if (info.animating) {
return info.firstChildPosition + 1;
} else {
return getRealChildrenCount(groupPosition);
}
}
}
private static class DummyView extends View {
private List<View> views = new ArrayList<View>();
private Drawable divider;
private int dividerWidth;
private int dividerHeight;
public DummyView(Context context) {
super(context);
}
public void setDivider(Drawable divider, int dividerWidth, int dividerHeight) {
if(divider != null) {
this.divider = divider;
this.dividerWidth = dividerWidth;
this.dividerHeight = dividerHeight;
divider.setBounds(0, 0, dividerWidth, dividerHeight);
}
}
/**
* Add a view for the DummyView to draw.
* @param childView View to draw
*/
public void addFakeView(View childView) {
childView.layout(0, 0, getWidth(), childView.getMeasuredHeight());
views.add(childView);
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
final int len = views.size();
for(int i = 0; i < len; i++) {
View v = views.get(i);
v.layout(left, top, left + v.getMeasuredWidth(), top + v.getMeasuredHeight());
}
}
public void clearViews() {
views.clear();
}
@Override
public void dispatchDraw(Canvas canvas) {
canvas.save();
if(divider != null) {
divider.setBounds(0, 0, dividerWidth, dividerHeight);
}
final int len = views.size();
for(int i = 0; i < len; i++) {
View v = views.get(i);
canvas.save();
canvas.clipRect(0, 0, getWidth(), v.getMeasuredHeight());
v.draw(canvas);
canvas.restore();
if(divider != null) {
divider.draw(canvas);
canvas.translate(0, dividerHeight);
}
canvas.translate(0, v.getMeasuredHeight());
}
canvas.restore();
}
}
private static class ExpandAnimation extends Animation {
private int baseHeight;
private int delta;
private View view;
private GroupInfo groupInfo;
private ExpandAnimation(View v, int startHeight, int endHeight, GroupInfo info) {
baseHeight = startHeight;
delta = endHeight - startHeight;
view = v;
groupInfo = info;
view.getLayoutParams().height = startHeight;
view.requestLayout();
}
@Override
protected void applyTransformation(float interpolatedTime, Transformation t) {
super.applyTransformation(interpolatedTime, t);
if (interpolatedTime < 1.0f) {
int val = baseHeight + (int) (delta * interpolatedTime);
view.getLayoutParams().height = val;
groupInfo.dummyHeight = val;
view.requestLayout();
} else {
int val = baseHeight + delta;
view.getLayoutParams().height = val;
groupInfo.dummyHeight = val;
view.requestLayout();
}
}
}
}
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package com.Daniel_pcm.android;
import java.util.ArrayList;
import java.util.List;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ExpandableListView;
import android.widget.ExpandableListView.OnChildClickListener;
import android.widget.ExpandableListView.OnGroupClickListener;
import android.widget.TextView;
import com.daniel.exandableListview.AnimatedExpandableListView;
public class Setting extends Fragment{
private AnimatedExpandableListView listView;
private ExampleAdapter adapter;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// TODO Auto-generated method stub
View v = LayoutInflater.from(getActivity()).inflate(R.layout.tab3_setting,null);
List<GroupItem> items = new ArrayList<GroupItem>();
String[] Title_big = new String[]{MainActivity.Language_content[65],MainActivity.Language_content[63],MainActivity.Language_content[77]};
//標題
// Populate our list with groups and it's children
for(int i = 0; i < Title_big.length; i++) { //總數
GroupItem item = new GroupItem();
item.title = Title_big[i]; //大標題名稱
if (i == 0) {
for (int j = 0; j < 2; j++) {
ChildItem child = new ChildItem();
if(j == 0)
{
child.title = ""; // 中標題名稱 + 編號
child.hint = "";//這邊可以改為直接顯示在這
}
if(j == 1)
{
child.title = ""; // 中標題名稱 + 編號
child.hint = "";
}
item.items.add(child);
}
}
if (i == 1) {
// ChildItem child = new ChildItem();
// child.title = "多國語言";
// child.hint = "選擇其他語言";
// item.items.add(child);
for (int j = 0; j < 7; j++) {
ChildItem child = new ChildItem();
if(j == 0)
{
child.title = "中文"; // 中標題名稱 + 編號
child.hint = "Chinese";
}
if(j == 1)
{
child.title = "English"; // 中標題名稱 + 編號
child.hint = "English";
}
if(j == 2)
{
child.title = "русский язык"; // 中標題名稱 + 編號
child.hint = "Russian";
}
if(j == 3)
{
child.title = "اللغة العربية"; // 中標題名稱 + 編號
child.hint = "Arabian";
}
if(j == 4)
{
child.title = "español"; // 中標題名稱 + 編號
child.hint = "Spainish";
}
if(j == 5)
{
child.title = "Italiano"; // 中標題名稱 + 編號
child.hint = "Italish";
}
if(j == 6)
{
child.title = "Deutsch"; // 中標題名稱 + 編號
child.hint = "Deutsch";
}
item.items.add(child);
}
}
if (i == 2) {
for (int j = 0; j < 4; j++) {
ChildItem child = new ChildItem();
if(j == 0)
{
child.title = ""; // 中標題名稱 + 編號
child.hint = "";
}
if(j == 1)
{
child.title = ""; // 中標題名稱 + 編號
child.hint = "";
}
if(j == 2)
{
child.title = ""; // 中標題名稱 + 編號
child.hint = "";
}
if(j == 3)
{
child.title = ""; // 中標題名稱 + 編號
child.hint = "";
}
item.items.add(child);
}
}
items.add(item);
}
Context mContext = getActivity();
adapter = new ExampleAdapter(mContext);
adapter.setData(items);
listView = (AnimatedExpandableListView) v.findViewById(R.id.listView);
listView.setAdapter(adapter);
listView.setOnChildClickListener(new OnChildClickListener(){
public boolean onChildClick(ExpandableListView parent, View v,
int groupPosition, int childPosition, long id) {
int index = parent.getFlatListPosition(ExpandableListView.getPackedPositionForChild(groupPosition, childPosition));
parent.setItemChecked(index, true);
switch (groupPosition) {
case 0: //第一組(連線)
switch (childPosition) {
case 0://第一個選項-目前IP
Log.d("one","connect child!");
MainActivity.handler_main.sendMessage(MainActivity.handler_main.obtainMessage(6));
break;
case 1://第二個選項-連線
//popup_ip
MainActivity.handler_main.sendMessage(MainActivity.handler_main.obtainMessage(3));
break;
}
break;
case 1://第二組(語言)
System.out.print("Language change in!");
int language_serial = 0;
switch (childPosition) {
case 0://第一選項(選語言)
language_serial = 0;
break;
case 1:
language_serial = 1;
break;
case 2:
language_serial = 2;
break;
case 3:
language_serial = 3;
break;
case 4:
language_serial = 4;
break;
case 5:
language_serial = 5;
break;
case 6:
language_serial = 6;
break;
}
MainActivity.handler_main.sendMessage(MainActivity.handler_main.obtainMessage(4,language_serial));
System.out.print("Language change success!");
break;
case 2://第三組(控制)
switch (childPosition) {
case 0://第一選項(outlet control)
MainActivity.handler_main.sendMessage(MainActivity.handler_main.obtainMessage(5));
break;
case 1://第二選項(UPS quick test)
if (Static_Var.PRO_now == true) {
// 如果現在是PRO
Static_Var.PRO_Self_test = true;
Log.d("PRO Self test flag","on");
}
if (Static_Var.SNMP_now == true) {
// 如果現在是SNMP
Static_Var.SNMP_Self_test = true;
Log.d("SNMP Self test flag","on");
}
break;
case 2://第三選項(UPS Deep test)
break;
case 3://第四選項(取消test)
break;
}
break;
}
return false;
}
});
// In order to show animations, we need to use a custom click handler
// for our ExpandableListView.
listView.setOnGroupClickListener(new OnGroupClickListener() {
@Override
public boolean onGroupClick(ExpandableListView parent, View v, int groupPosition, long id) {
// We call collapseGroupWithAnimation(int) and
// expandGroupWithAnimation(int) to animate group
// expansion/collapse.
if (listView.isGroupExpanded(groupPosition)) {
listView.collapseGroupWithAnimation(groupPosition);
//Log.d("Position",Integer.toString(groupPosition));//GroupPosition 是最大標題
} else {
listView.expandGroupWithAnimation(groupPosition);
}
return true;
}
});
return v;
}
private static class GroupItem {
String title;
List<ChildItem> items = new ArrayList<ChildItem>();
}
private static class ChildItem {
String title;
String hint;
}
private static class ChildHolder {
TextView title;
TextView hint;
}
private static class GroupHolder {
TextView title;
}
/**
* Adapter for our list of {@link GroupItem}s.
*/
private class ExampleAdapter extends com.daniel.exandableListview.AnimatedExpandableListView.AnimatedExpandableListAdapter {
private LayoutInflater inflater;
private List<GroupItem> items;
public ExampleAdapter(Context context) {
inflater = LayoutInflater.from(context);
}
public void setData(List<GroupItem> items) {
this.items = items;
}
@Override
public ChildItem getChild(int groupPosition, int childPosition) {
return items.get(groupPosition).items.get(childPosition);
}
@Override
public long getChildId(int groupPosition, int childPosition) {
return childPosition;
}
@Override
public View getRealChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
ChildHolder holder;
ChildItem item = getChild(groupPosition, childPosition);
if (convertView == null) {
holder = new ChildHolder();
convertView = inflater.inflate(R.layout.list_item, parent, false);
holder.title = (TextView) convertView.findViewById(R.id.textTitle);
holder.hint = (TextView) convertView.findViewById(R.id.textHint);
convertView.setTag(holder);
} else {
holder = (ChildHolder) convertView.getTag();
}
holder.title.setText(item.title);
holder.hint.setText(item.hint);
return convertView;
}
@Override
public int getRealChildrenCount(int groupPosition) {
return items.get(groupPosition).items.size();
}
@Override
public GroupItem getGroup(int groupPosition) {
return items.get(groupPosition);
}
@Override
public int getGroupCount() {
return items.size();
}
@Override
public long getGroupId(int groupPosition) {
return groupPosition;
}
@Override
public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
GroupHolder holder;
GroupItem item = getGroup(groupPosition);
if (convertView == null) {
holder = new GroupHolder();
convertView = inflater.inflate(R.layout.group_item, parent, false);
holder.title = (TextView) convertView.findViewById(R.id.textTitle);
convertView.setTag(holder);
} else {
holder = (GroupHolder) convertView.getTag();
}
holder.title.setText(item.title);
return convertView;
}
@Override
public boolean hasStableIds() {
return true;
}
@Override
public boolean isChildSelectable(int arg0, int arg1) {
return true;
}
}
}
