android ExpandableListActivity的使用
package com.example.keKuoZhanLieBiao; import android.app.ExpandableListActivity; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.*; public class MyActivity extends ExpandableListActivity { String[] groups = {"常见问题", "功能帮助", "其他帮助"}; String[][] children = { {"常见问题1", "常见问题2", "常见问题3"}, {"功能问题1", "功能问题2", "功能问题3"}, {"其他问题1", "其他问题2", "其他问题3"}, }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ExpandableListAdapter adapter = new BaseExpandableListAdapter() { @Override public int getGroupCount() { return groups.length; } @Override public int getChildrenCount(int i) { return children[i].length; } @Override public Object getGroup(int i) { return groups[i]; } @Override public Object getChild(int i, int i2) { return children[i][i2]; } @Override public long getGroupId(int i) { return i; } @Override public long getChildId(int i, int i2) { return 0; } @Override public boolean hasStableIds() { return false; } @Override public View getGroupView(int i, boolean b, View view, ViewGroup viewGroup) { View view1 = LayoutInflater.from(MyActivity.this).inflate(R.layout.item_group, null); TextView title = (TextView) view1.findViewById(R.id.gp_tv); title.setText(groups[i]); return view1; } @Override public View getChildView(int i, int i2, boolean b, View view, ViewGroup viewGroup) { TextView textView = (TextView) LayoutInflater.from(MyActivity.this).inflate(R.layout.item_child, null); textView.setText(children[i][i2]); return textView; } @Override public boolean isChildSelectable(int i, int i2) { return true; } }; setListAdapter(adapter); // 绑定孩子点击事件 this.getExpandableListView().setOnChildClickListener(new ExpandableListView.OnChildClickListener() { @Override public boolean onChildClick(ExpandableListView expandableListView, View view, int i, int i2, long l) { Toast.makeText(MyActivity.this, "你点击是"+children[i][i2], 1).show(); return true; } }); } }
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