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PO(ExpandableListView),When I click button,update ImageView
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  1. PO(ExpandableListView),When I click button,update ImageView
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    copied!<p>when click button in child view then update imageview in group. The problem is when I click the button, if all the checkbox selected,the imageview show the last one, not all checkbox selected, the imageview show the second one else show the first one!</p> <p><img src="https://i.stack.imgur.com/qRQ9s.jpg" alt="MyImage"></p> <p>The question is when I click the button,the image view cannot update in the correct position!</p> <pre><code>package cn.nedu.exlistview; import java.util.ArrayList; import java.util.List; import java.util.Map; import android.content.Context; import android.content.res.Resources; import android.graphics.Color; import android.graphics.drawable.Drawable; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseExpandableListAdapter; import android.widget.Button; import android.widget.CheckBox; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; class AccountExpandablebaseadapter extends BaseExpandableListAdapter { private Resources mResource; private Context context; List&lt;String&gt; accountFather = new ArrayList&lt;String&gt;(); List&lt;List&lt;Map&lt;String, String&gt;&gt;&gt; accountChild = new ArrayList&lt;List&lt;Map&lt;String, String&gt;&gt;&gt;(); List&lt;View&gt; cachedGroupView = new ArrayList&lt;View&gt;(); public AccountExpandablebaseadapter(Context context, List&lt;String&gt; accountFathers, List&lt;List&lt;Map&lt;String, String&gt;&gt;&gt; accountChilds,Resources mResouce) { this.accountFather = accountFathers; this.accountChild = accountChilds; this.mResource = mResouce; this.context = context; } public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { GroupViewHolder viewHolder = null; View view = convertView; if (view == null) { LayoutInflater inflater = (LayoutInflater) context .getSystemService(Context.LAYOUT_INFLATER_SERVICE); view = inflater.inflate(R.layout.member_listview, null); viewHolder = new GroupViewHolder(); viewHolder.groupTitle = (TextView) view.findViewById(R.id.txtFather); /*customize indicator view*/ viewHolder.groupStatus = (ImageView) view.findViewById(R.id.status); //RelativeLayout tabLayout = (RelativeLayout)view.findViewById(); //mResource.getDrawable(R.drawable.indicator_close); view.setTag(viewHolder); }else{ viewHolder = (GroupViewHolder) view.getTag(); } cachedGroupView.add(view); //cached group view viewHolder.groupTitle.setText(getGroup(groupPosition).toString()); Drawable indicator_close = mResource.getDrawable(R.drawable.indicator_close); indicator_close.setBounds(0, 0, indicator_close.getMinimumWidth(), indicator_close.getMinimumHeight()); Drawable indicator_open = mResource.getDrawable(R.drawable.indicator_open); indicator_open.setBounds(0, 0, indicator_open.getMinimumWidth(), indicator_open.getMinimumHeight()); if (isExpanded) { //imageIndicator.setImageResource(R.drawable.indicator_close); viewHolder.groupTitle.setCompoundDrawables(indicator_close, null, null, null); viewHolder.groupTitle.setBackgroundColor(R.color.text_color_normal); viewHolder.groupTitle.setTextColor(mResource.getColor(R.color.text_color_click)); }else{ //imageIndicator.setImageResource(R.drawable.indicator_open); viewHolder.groupTitle.setCompoundDrawables(indicator_open, null, null, null); viewHolder.groupTitle.setBackgroundColor(Color.TRANSPARENT); viewHolder.groupTitle.setTextColor(mResource.getColor(R.color.text_color_normal)); } return view; } public long getGroupId(int groupPosition) { return groupPosition; } public Object getGroup(int groupPosition) { return accountFather.get(groupPosition).toString(); } public int getGroupCount() { return accountFather.size(); } public View getChildView(final int groupPosition, final int childPosition, boolean isLastChild, View convertView, ViewGroup parent) { View view = convertView; ChildViewHolder viewHolder = null; if (view == null) { LayoutInflater inflater = (LayoutInflater) context .getSystemService(Context.LAYOUT_INFLATER_SERVICE); view = inflater.inflate(R.layout.member_childitem2, null); viewHolder = new ChildViewHolder(); viewHolder.checkBox1 = (CheckBox)view.findViewById(R.id.checkbox1); viewHolder.checkBox2 = (CheckBox)view.findViewById(R.id.checkbox2); viewHolder.checkBox3 = (CheckBox)view.findViewById(R.id.checkbox3); viewHolder.checkBox4 = (CheckBox)view.findViewById(R.id.checkbox4); viewHolder.checkBox5 = (CheckBox)view.findViewById(R.id.checkbox5); viewHolder.checkBox6 = (CheckBox)view.findViewById(R.id.checkbox6); view.setTag(viewHolder); }else{ viewHolder = (ChildViewHolder) view.getTag(); } Button btn_submit = (Button)view.findViewById(R.id.btn_submit); View groupView = cachedGroupView.get(childPosition); final GroupViewHolder groupViewHolder = (GroupViewHolder) groupView.getTag(); btn_submit.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Toast.makeText(context, groupPosition+ ":" + childPosition, Toast.LENGTH_SHORT).show(); groupViewHolder.groupStatus.setImageResource(R.drawable.indicator_close); } }); return view; } public long getChildId(int groupPosition, int childPosition) { return childPosition; } public Object getChild(int groupPosition, int childPosition) { return accountChild.get(groupPosition).get(childPosition) .get(ExListView.FATHERACCOUNT).toString(); } public int getChildrenCount(int groupPosition) { return accountChild.get(groupPosition).size(); } public boolean hasStableIds() { return true; } public boolean isChildSelectable(int groupPosition, int childPosition) { return true; } class GroupViewHolder{ TextView groupTitle; ImageView groupStatus; } class ChildViewHolder{ CheckBox checkBox1; CheckBox checkBox2; CheckBox checkBox3; CheckBox checkBox4; CheckBox checkBox5; CheckBox checkBox6; } } package cn.nedu.exlistview; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import android.app.Activity; import android.content.Context; import android.content.res.Resources; import android.os.Bundle; import android.os.StrictMode; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.view.View.OnClickListener; import android.widget.AbsListView; import android.widget.BaseExpandableListAdapter; import android.widget.ExpandableListView; import android.widget.ExpandableListView.OnGroupClickListener; import android.widget.ExpandableListView.OnGroupExpandListener; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; import android.widget.Toast; import android.widget.ExpandableListView.OnChildClickListener; public class ExListView extends Activity { final static String FATHERACCOUNT = "fatherAccount"; final static String CHILDACCOUNT = "childAccount"; final static String BALANCEACCOUNT = "accountBalance"; private int currentHourPosition = -1; List&lt;String&gt; accountFather = new ArrayList&lt;String&gt;(); List&lt;List&lt;Map&lt;String, String&gt;&gt;&gt; accountChild = new ArrayList&lt;List&lt;Map&lt;String, String&gt;&gt;&gt;(); AccountExpandablebaseadapter adapter; ExpandableListView listAccount; private Resources mResouce; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // StriceMode StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder() .detectAll().penaltyLog().penaltyDialog().build()); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.main); mResouce = getResources(); listAccount = (ExpandableListView) findViewById(R.id.listAccount); accountFather.add("GroupName1"); accountFather.add("GroupName2"); accountFather.add("GroupName3"); List&lt;Map&lt;String, String&gt;&gt; financeAccount = new ArrayList&lt;Map&lt;String, String&gt;&gt;(); Map&lt;String, String&gt; child1Data1 = new HashMap&lt;String, String&gt;(); child1Data1.put(FATHERACCOUNT, "wwwwww)"); child1Data1.put(CHILDACCOUNT, "wwwwww"); child1Data1.put(BALANCEACCOUNT, "￥0.00"); financeAccount.add(child1Data1); List&lt;Map&lt;String, String&gt;&gt; dummyAccount = new ArrayList&lt;Map&lt;String, String&gt;&gt;(); Map&lt;String, String&gt; child2Data1 = new HashMap&lt;String, String&gt;(); child2Data1.put(FATHERACCOUNT, "zzzzz"); child2Data1.put(CHILDACCOUNT, "zzzzzz"); child2Data1.put(BALANCEACCOUNT, "￥0.00"); dummyAccount.add(child2Data1); List&lt;Map&lt;String, String&gt;&gt; cashAccount = new ArrayList&lt;Map&lt;String, String&gt;&gt;(); Map&lt;String, String&gt; child3Data1 = new HashMap&lt;String, String&gt;(); child3Data1.put(FATHERACCOUNT, "xxxxxx"); child3Data1.put(CHILDACCOUNT, "eeeeeee"); child3Data1.put(BALANCEACCOUNT, "￥0.00"); cashAccount.add(child3Data1); List&lt;Map&lt;String, String&gt;&gt; creditorAccount = new ArrayList&lt;Map&lt;String, String&gt;&gt;(); Map&lt;String, String&gt; child4Data1 = new HashMap&lt;String, String&gt;(); List&lt;Map&lt;String, String&gt;&gt; owesAccount = new ArrayList&lt;Map&lt;String, String&gt;&gt;(); Map&lt;String, String&gt; child5Data1 = new HashMap&lt;String, String&gt;(); accountChild.add(financeAccount); accountChild.add(dummyAccount); accountChild.add(cashAccount); adapter = new AccountExpandablebaseadapter(ExListView.this, accountFather, accountChild, mResouce); listAccount.setAdapter(adapter); listAccount.setGroupIndicator(null); listAccount.setDivider(null); listAccount.setOnChildClickListener(new OnChildClickListener() { @Override public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition, long id) { /* * Toast.makeText( getBaseContext(), * String.valueOf(groupPosition) + ":" + * String.valueOf(childPosition), Toast.LENGTH_SHORT).show(); */ return false; } }); // listAccount.setOnGroupClickListener(new OnGroupClickListener() { @Override public boolean onGroupClick(ExpandableListView parent, View v, int groupPosition, long id) { return false; } }); listAccount.setOnGroupExpandListener(new OnGroupExpandListener() { @Override public void onGroupExpand(int groupPosition) { if (currentHourPosition != -1 &amp;&amp; currentHourPosition != groupPosition) { listAccount.collapseGroup(currentHourPosition); } currentHourPosition = groupPosition; listAccount.setSelectedGroup(groupPosition); } }); } } &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" android:background="#003300"&gt; &lt;ExpandableListView android:id="@+id/listAccount" android:layout_width="fill_parent" android:layout_height="wrap_content" android:groupIndicator="@null" android:scrollbars="none" /&gt; &lt;/LinearLayout&gt; &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" &gt; &lt;RelativeLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:id="@+id/tabLayout"&gt; &lt;ImageView android:id="@+id/indicator" android:layout_width="wrap_content" android:layout_height="wrap_content" android:contentDescription="@string/app_name" android:visibility="gone" /&gt; &lt;TextView android:id="@+id/txtFather" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:layout_marginLeft="6dp" android:layout_toRightOf="@id/indicator" android:textColor="#000000" android:textSize="16dp" /&gt; &lt;/RelativeLayout&gt; &lt;ImageView android:id="@+id/status" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:contentDescription="@string/app_name" android:src="@drawable/icon" /&gt; &lt;/RelativeLayout&gt; &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="#ffffff" android:orientation="vertical" &gt; &lt;CheckBox android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/checkbox1" android:text="Checkbox1" android:button="@drawable/checkbox_bg" android:textColor="#000000" /&gt; &lt;CheckBox android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/checkbox2" android:text="Checkbox2" android:button="@drawable/checkbox_bg" android:textColor="#000000" /&gt; &lt;CheckBox android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/checkbox3" android:text="Checkbox3" android:textColor="#000000" android:button="@drawable/checkbox_bg" /&gt; &lt;CheckBox android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="#000000" android:id="@+id/checkbox4" android:text="Checkbox4" android:button="@drawable/checkbox_bg" /&gt; &lt;CheckBox android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="#000000" android:id="@+id/checkbox5" android:text="Checkbox5" android:button="@drawable/checkbox_bg" /&gt; &lt;CheckBox android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="#000000" android:id="@+id/checkbox6" android:text="Checkbox6" android:button="@drawable/checkbox_bg" /&gt; &lt;LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_horizontal" android:orientation="horizontal" &gt; &lt;Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Take Picture" /&gt; &lt;Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Submit" android:id="@+id/btn_submit" /&gt; &lt;Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Cancel" android:id="@+id/btn_cancel" /&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; </code></pre>
 

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