安卓源码 Android Demo 模仿QQ的扩展型很好的ExpandableListView

package com.wind; import java.util.ArrayList; import java.util.List; import android.app.AlertDialog; import android.app.Dialog; import android.content.Context; import android.content.DialogInterface; import android.graphics.Color; import android.view.View; import android.view.ViewGroup; import android.widget.BaseExpandableListAdapter; import android.widget.Button; import android.widget.CheckBox; import android.widget.CompoundButton; import android.widget.CompoundButton.OnCheckedChangeListener; import android.widget.EditText; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; import android.widget.Toast; public class ExpandableListViewAdapter extends BaseExpandableListAdapter { private Context context; private List<ListRow> groupList = new ArrayList<ListRow>(); private List<List<ListRow>> childList = new ArrayList<List<ListRow>>(); public ExpandableListViewAdapter(Context context, List<ListRow> groupList, List<List<ListRow>> childList) { this.context = context; this.groupList = groupList; this.childList = childList; } @Override public Object getChild(int groupPosition, int childPosition) { return null; } @Override public long getChildId(int groupPosition, int childPosition) { return 0; } @Override public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) { ListRow row = (ListRow) childList.get(groupPosition).get(childPosition); ListRowView view = new ListRowView(context, row, groupPosition, childPosition); return view; } @Override public int getChildrenCount(int groupPosition) { return childList.get(groupPosition).size(); } @Override public Object getGroup(int groupPosition) { return null; } @Override public int getGroupCount() { return groupList.size(); } @Override public long getGroupId(int groupPosition) { return 0; } @Override public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { ListRow row = (ListRow) groupList.get(groupPosition); List<RowContent> viewContents = row.getRowContents(); for(int i = 0; i < viewContents.size(); i++) { RowContent content = viewContents.get(i); if(content.getType() == ConstantUtils.EXPAND_IMAGE) { if(isExpanded) { content.setImage_id(R.drawable.btn_expand2); }else { content.setImage_id(R.drawable.btn_expand); } } } ListRowView view = new ListRowView(context, row, groupPosition, 0); return view; } @Override public boolean hasStableIds() { return false; } @Override public boolean isChildSelectable(int groupPosition, int childPosition) { return false; } public static class ListRow { private int rowType; private boolean selectable; private int layout_id; private boolean isChecked; private List<RowContent> rowContents = new ArrayList<RowContent>(); private int index; public int getRowType() { return rowType; } public void setRowType(int rowType) { this.rowType = rowType; } public boolean isSelectable() { return selectable; } public void setSelectable(boolean selectable) { this.selectable = selectable; } public int getLayout_id() { return layout_id; } public void setLayout_id(int layoutId) { layout_id = layoutId; } public List<RowContent> getRowContents() { return rowContents; } public void setRowContents(List<RowContent> rowContents) { this.rowContents = rowContents; } public int getIndex() { return index; } public void setIndex(int index) { this.index = index; } public boolean isChecked() { return isChecked; } public void setChecked(boolean isChecked) { this.isChecked = isChecked; } } public static class RowContent { private int type; private int layout_id; private String text; private int image_id = -1; private int color = Color.WHITE; public int getImage_id() { return image_id; } public void setImage_id(int imageId) { image_id = imageId; } public int getType() { return type; } public void setType(int type) { this.type = type; } public int getLayout_id() { return layout_id; } public void setLayout_id(int layoutId) { layout_id = layoutId; } public String getText() { return text; } public void setText(String text) { this.text = text; } public int getColor() { return color; } public void setColor(int color) { this.color = color; } } public class ListRowView extends LinearLayout { public ListRow row; private int groupIndex; private int childIndex; private Context context; public ListRowView(Context context, ListRow row, int groupIndex, int childIndex) { super(context); this.context = context; this.row = row; this.groupIndex = groupIndex; this.childIndex = childIndex; addView(inflate(context, row.getLayout_id(), null)); setData(row); } public ListRow getRow() { return row; } public void setData(ListRow row) { List<RowContent> viewContents = row.getRowContents(); if ((viewContents != null) && (viewContents.size() > 0)) { for (RowContent viewContent : viewContents) { int type = viewContent.getType(); int layout_id = viewContent.getLayout_id(); switch (type) { case ConstantUtils.TEXT: TextView textView = (TextView)this.findViewById(layout_id); if(textView != null) { textView.setText(viewContent.getText()); if(viewContent.getColor() != Color.WHITE) textView.setTextColor(viewContent.getColor()); } break; case ConstantUtils.EXPAND_IMAGE: case ConstantUtils.IMAGE: int icon_id = viewContent.getImage_id(); if(icon_id != -1) ((ImageView)this.findViewById(layout_id)).setBackgroundResource(icon_id); break; case ConstantUtils.EDIT_TEXT: EditText editText = (EditText)this.findViewById(layout_id); if(editText != null) { editText.setText(viewContent.getText()); } // editText.setOnFocusChangeListener(focus_listener_noIM); // editText.setOnTouchListener(touch_listener_noIM); break; case ConstantUtils.CHECK_BOX: CheckBox cb = (CheckBox) this.findViewById(layout_id); cb.setChecked(row.isChecked()); cb.setOnCheckedChangeListener(checkBoxListener); break; case ConstantUtils.BUTTON: Button delete = (Button) this.findViewById(layout_id); delete.setOnClickListener(deleteButtonOnClick); break; default: break; } } } } private OnClickListener deleteButtonOnClick = new OnClickListener() { @Override public void onClick(View v) { Dialog dialog = null; AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setIcon(android.R.drawable.ic_dialog_alert).setTitle( "您确定要刪除该项？").setPositiveButton("确定", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { childList.get(groupIndex).remove(childIndex); } }).setNegativeButton("取消", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { } }); dialog = builder.create(); dialog.show(); } }; private OnCheckedChangeListener checkBoxListener = new OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { // TODO Auto-generated method stub row.setChecked(isChecked)