HorizontalScrollView下自定义ViewGroup无法实现滑动

代码：自定义MyViewGroup类

import android.content.Context;

import android.view.View;

import android.view.ViewGroup;

public class MyViewGroup extends ViewGroup {

private final static int VIEW_MARGIN = 100;

private int lengthX;

private int lengthY;

private ScrollListenerInfer listener;

public MyViewGroup(Context context) {

super(context);

}

public void onListener(ScrollListenerInfer l) {

this.listener = l;

}

@Override

protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {

for (int index = 0; index < getChildCount(); index++) {

final View child = getChildAt(index);

/**

* measure MeasureSpec.EXACTLY：精确的尺寸 MeasureSpec.AT_MOST：最大可获得的空间

* MeasureSpec.UNSPECIFIED：对于控件尺寸来说，没有任何参考意义

*/

child.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);

}

super.onMeasure(widthMeasureSpec, heightMeasureSpec);

}

@Override

protected void onLayout(boolean changed, int left, int top, int right, int bottom) {

// int row = 0;// 行数

int line = 0;// 列数

lengthX = left;

lengthY = top;

for (int i = 0; i < getChildCount(); i++) {

final View child = this.getChildAt(i);

int width = child.getMeasuredWidth();

int height = child.getMeasuredHeight();

/**

* 自动换列

*/

lengthX = line * (width + VIEW_MARGIN) + VIEW_MARGIN + width + left;

lengthY += height + VIEW_MARGIN;

if (lengthY > bottom) {

line++;

lengthX = line * (width + VIEW_MARGIN) + VIEW_MARGIN + width

+ left;

lengthY = height + VIEW_MARGIN + top;

}

/**

* 自动换行

*/

// lengthX += width + VIEW_MARGIN;

// lengthY = row * (height + VIEW_MARGIN) + VIEW_MARGIN + height + top;

// if (lengthX > right) {

// lengthX = width + VIEW_MARGIN + left;

// row++;

// lengthY = row * (height + VIEW_MARGIN) + VIEW_MARGIN + height

// + bottom;

// }

child.layout(lengthX - width, lengthY - height, lengthX, lengthY);// 子控件的总宽度、高度

}

listener.onLoad(lengthX);

}

}

代码：MeetingListActivity

import java.text.SimpleDateFormat;

import java.util.ArrayList;

import java.util.Calendar;

import java.util.Date;

import java.util.List;

import java.util.Locale;

import zdaap.meeting.pad.beans.MeetingBean;

import zdaap.meeting.pad.json.GetNetWorkData;

import zdaap.meeting.pad.util.NetWorkUtil;

import zdaap.meeting.pad.view.MyViewGroup;

import zdaap.meeting.pad.view.ScrollListenerInfer;

import android.annotation.SuppressLint;

import android.app.AlertDialog;

import android.app.DatePickerDialog;

import android.app.Dialog;

import android.content.DialogInterface;

import android.content.Intent;

import android.graphics.Color;

import android.os.Bundle;

import android.os.Handler;

import android.text.TextPaint;

import android.view.KeyEvent;

import android.view.View;

import android.view.ViewGroup;

import android.view.Window;

import android.view.View.OnClickListener;

import android.view.inputmethod.InputMethodManager;

import android.widget.DatePicker;

import android.widget.EditText;

import android.widget.ImageView;

import android.widget.LinearLayout;

import android.widget.RelativeLayout;

import android.widget.TableRow;

import android.widget.TextView;

import android.widget.Toast;

@SuppressLint("HandlerLeak")

public class MeetingListActivity extends BaseActivity {

private Calendar c;// 日期控件

private LinearLayout home_middle_layout;

private List<MeetingBean> meeting;

private ArrayList<String> meetingInfo;

private EditText password;

private Dialog d;// 密码对话框

@SuppressWarnings("unchecked")

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.meeting_list_layout);

home_middle_layout = (LinearLayout)findViewById(R.id.home_middle_layout);

findViewById(R.id.home_title_close).setOnClickListener(

new OnClickListener() {

@Override

public void onClick(View v) {

doExit();

}

});

findViewById(R.id.home_title_date).setOnClickListener(

new OnClickListener() {

@Override

public void onClick(View v) {

initDate();

}

});

List<MeetingBean> data = (List<MeetingBean>) getLastNonConfigurationInstance();

if (data != null) {

meeting = data;

initUI();

} else {

if (true == NetWorkUtil.isNetWork(this)) {

SimpleDateFormat temp = new SimpleDateFormat("yyyy-MM-dd", Locale.getDefault());

String date = temp.format(new Date());

getNetData(date);

} else {

Toast.makeText(this, "没有连接网络", Toast.LENGTH_SHORT).show();

}

}

}

/**

* 初始化UI

*/

private void initUI(){

final MyViewGroup home_meeting_item = new MyViewGroup(this);

home_meeting_item.onListener(new ScrollListenerInfer() {

@Override

public void onLoad(int width) {

ViewGroup.LayoutParams params = home_meeting_item.getLayoutParams();

params.width = width;

home_meeting_item.setLayoutParams(params);

}

});

for (int i = 0; i < meeting.size(); i++) {

/**

* 根

*/

RelativeLayout meeting_item_layout = new RelativeLayout(this);

RelativeLayout.LayoutParams layoutParamsRoot = new RelativeLayout.LayoutParams(

RelativeLayout.LayoutParams.WRAP_CONTENT,

RelativeLayout.LayoutParams.WRAP_CONTENT);

meeting_item_layout.setLayoutParams(layoutParamsRoot);

meeting_item_layout.setBackgroundResource(R.drawable.home_middle_item_bg);

ArrayList<String> info = new ArrayList<String>();

info.add(meeting.get(i).ID);

info.add(meeting.get(i).MEETING_TIME);

info.add(meeting.get(i).PASSWORD);

info.add(meeting.get(i).flag + "");

info.add(i + "");

meeting_item_layout.setTag(info);

meeting_item_layout.setOnClickListener(new OnClickListener() {

@SuppressWarnings("unchecked")

@Override

public void onClick(View v) {

RelativeLayout r = (RelativeLayout)v;

meetingInfo = (ArrayList<String>)r.getTag();

if(meeting.get(Integer.parseInt(meetingInfo.get(4).toString())).getFlag() == 2){

Intent intent = new Intent(MeetingListActivity.this, MeetingFilesActivity.class);

Bundle bundle = new Bundle();

bundle.putStringArrayList("meetingInfo", meetingInfo);

intent.putExtras(bundle);

startActivity(intent);

}else{

passwordDialog();

}

}

});

/**

* 会议室

*/

TextView meeting_item_where = new TextView(this);

RelativeLayout.LayoutParams paramsWhere = new RelativeLayout.LayoutParams(

RelativeLayout.LayoutParams.WRAP_CONTENT,

RelativeLayout.LayoutParams.WRAP_CONTENT);

paramsWhere.addRule(RelativeLayout.CENTER_HORIZONTAL);

paramsWhere.setMargins(0, 20, 0, 20);

meeting_item_where.setLayoutParams(paramsWhere);

meeting_item_where.setText(meeting.get(i).ROOM);

meeting_item_where.setTextSize(20);

meeting_item_where.setTextColor(Color.WHITE);

// 加粗

TextPaint tp = meeting_item_where.getPaint();

tp.setFakeBoldText(true);

meeting_item_layout.addView(meeting_item_where);

/**

* 会议标题、时间、会期等布局

*/

LinearLayout meeting_contant_layout = new LinearLayout(this);

RelativeLayout.LayoutParams layoutParamsCant = new RelativeLayout.LayoutParams(

RelativeLayout.LayoutParams.WRAP_CONTENT,

RelativeLayout.LayoutParams.WRAP_CONTENT);

layoutParamsCant.addRule(RelativeLayout.CENTER_VERTICAL);

layoutParamsCant.setMargins(15, 0, 0, 0);

meeting_contant_layout.setLayoutParams(layoutParamsCant);

meeting_contant_layout.setOrientation(LinearLayout.VERTICAL);

/**

* 标题

*/

TextView meeting_contant_title = new TextView(this);

LinearLayout.LayoutParams paramsTitle = new LinearLayout.LayoutParams(

LinearLayout.LayoutParams.WRAP_CONTENT,

LinearLayout.LayoutParams.WRAP_CONTENT);

paramsTitle.setMargins(0, 20, 0, 0);

meeting_contant_title.setLayoutParams(paramsTitle);

meeting_contant_title.setText(meeting.get(i).TITLE);

meeting_contant_title.setTextSize(15);

meeting_contant_title.setTextColor(getResources().getColor(R.color.black_gray));

meeting_contant_layout.addView(meeting_contant_title);

/**

* 线

*/

ImageView meeting_contant_line = new ImageView(this);

LinearLayout.LayoutParams paramsLine = new LinearLayout.LayoutParams(

LinearLayout.LayoutParams.WRAP_CONTENT,

LinearLayout.LayoutParams.WRAP_CONTENT);

paramsLine.setMargins(0, 15, 0, 10);

meeting_contant_line.setLayoutParams(paramsLine);

meeting_contant_line.setImageResource(R.drawable.home_middle_line);

meeting_contant_layout.addView(meeting_contant_line);

/**

* 会议时间Tab

*/

TableRow contant_tab_date = new TableRow(this);

LinearLayout.LayoutParams paramsDate = new LinearLayout.LayoutParams(

LinearLayout.LayoutParams.WRAP_CONTENT,

LinearLayout.LayoutParams.WRAP_CONTENT);

paramsDate.setMargins(10, 0, 0, 0);

contant_tab_date.setLayoutParams(paramsDate);

contant_tab_date.setOrientation(LinearLayout.HORIZONTAL);

TextView td = new TextView(this);

td.setText("会议时间：");

td.setTextColor(Color.RED);

contant_tab_date.addView(td);

/**

* 时间

*/

TextView meeting_contant_date = new TextView(this);

meeting_contant_date.setText(meeting.get(i).MEETING_TIME);

contant_tab_date.addView(meeting_contant_date);

meeting_contant_layout.addView(contant_tab_date);

/**

* 会期Tab

*/

TableRow contant_tab_time = new TableRow(this);

LinearLayout.LayoutParams paramsTime = new LinearLayout.LayoutParams(

LinearLayout.LayoutParams.WRAP_CONTENT,

LinearLayout.LayoutParams.WRAP_CONTENT);

paramsTime.setMargins(10, 0, 0, 0);

contant_tab_time.setLayoutParams(paramsTime);

contant_tab_time.setOrientation(LinearLayout.HORIZONTAL);

TextView tt = new TextView(this);

tt.setText("会　　期：");

tt.setTextColor(Color.RED);

contant_tab_time.addView(tt);

/**

* 会期

*/

TextView meeting_contant_time = new TextView(this);

meeting_contant_time.setText(meeting.get(i).DURATION);

contant_tab_time.addView(meeting_contant_time);

meeting_contant_layout.addView(contant_tab_time);

/**

* 申请部门Tab

*/

TableRow contant_tab_where = new TableRow(this);

LinearLayout.LayoutParams paramshere = new LinearLayout.LayoutParams(

LinearLayout.LayoutParams.WRAP_CONTENT,

LinearLayout.LayoutParams.WRAP_CONTENT);

paramshere.setMargins(10, 0, 0, 0);

contant_tab_where.setLayoutParams(paramshere);

contant_tab_where.setOrientation(LinearLayout.HORIZONTAL);

TextView tw = new TextView(this);

tw.setText("申请部门：");

tw.setTextColor(Color.RED);

contant_tab_where.addView(tw);

/**

* 申请部门

*/

TextView meeting_contant_where = new TextView(this);

meeting_contant_where.setText(meeting.get(i).APPLY_DEPT);

contant_tab_where.addView(meeting_contant_where);

meeting_contant_layout.addView(contant_tab_where);

meeting_item_layout.invalidate();

meeting_item_layout.addView(meeting_contant_layout);

home_meeting_item.invalidate();// 更新

home_meeting_item.addView(meeting_item_layout);

}

home_middle_layout.addView(home_meeting_item);

}

/**

* 密码对话框

*/

private void passwordDialog(){

d = new Dialog(this, R.style.myDialogTheme);

d.show();

d.setCanceledOnTouchOutside(true);// 点击对话框外部取消对话框显示

Window window = d.getWindow();

window.setContentView(R.layout.home_dialog_layout);

password = (EditText)window.findViewById(R.id.home_dialog_pass);

window.findViewById(R.id.home_dialog_ok).setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

if(password.getText() != null && !password.getText().toString().equals("")){

closeInputWindow();

inientView();

}else{

Toast.makeText(MeetingListActivity.this, "密码不能为空", Toast.LENGTH_SHORT).show();

}

}

});

}

/**

* 关闭软键盘

*/

private void closeInputWindow() {

if(password != null){

InputMethodManager imm = (InputMethodManager) getSystemService(MeetingFilesActivity.INPUT_METHOD_SERVICE);

imm.hideSoftInputFromWindow(password.getWindowToken(), 0);

}

}

/**

* 跳转

*/

private void inientView(){

if (meetingInfo.get(2).toString().equals(password.getText().toString().trim())){

if (d != null) {

d.hide();

d = null;

}

int i = Integer.parseInt(meetingInfo.get(3).toString());

i++;

meeting.get(Integer.parseInt(meetingInfo.get(4).toString())).setFlag(i);

Intent intent = new Intent(this, MeetingFilesActivity.class);

Bundle bundle = new Bundle();

bundle.putStringArrayList("meetingInfo", meetingInfo);

intent.putExtras(bundle);

startActivity(intent);

} else {

Toast.makeText(this, "密码错误", Toast.LENGTH_SHORT).show();

}

}

/**

* 发送通知

*/

private Handler handler = new Handler() {

public void handleMessage(android.os.Message msg) {

switch (msg.what) {

case 1:

initUI();

break;

}

};

};

/**

* 获取网络数据

*/

private void getNetData(final String date){

new Thread(new Runnable() {

@Override

public void run() {

showWaitingDialog();

String s = date;

List<MeetingBean> result = GetNetWorkData.getMeetingList(s);

if (result != null && result.size() > 0) {

meeting = result;

handler.sendEmptyMessage(1);

} else {

// Toast.makeText(MeetingListActivity.this, "暂无记录", Toast.LENGTH_SHORT).show();

runOnUiThread(new Runnable() {

@Override

public void run() {

Toast.makeText(MeetingListActivity.this, "暂无记录", Toast.LENGTH_SHORT).show();

}

});

}

hideWaitingDialog();

}

}).start();

}

/**

* 实例化日期

*/

private void initDate() {

c = Calendar.getInstance();

Dialog dialog = new DatePickerDialog(this,

new DatePickerDialog.OnDateSetListener() {

@Override

public void onDateSet(DatePicker view, int year,

int monthOfYear, int dayOfMonth) {

c.set(Calendar.YEAR, year);

c.set(Calendar.MONTH, monthOfYear);

c.set(Calendar.DAY_OF_MONTH, dayOfMonth);

getNewDate();

}

}, c.get(Calendar.YEAR), c.get(Calendar.MONTH),

c.get(Calendar.DAY_OF_MONTH));

dialog.show();

}

/**

* 获取选择后的日期

*/

private void getNewDate() {

SimpleDateFormat temp = new SimpleDateFormat("yyyy-MM-dd",

Locale.getDefault());

String s = temp.format(c.getTime());

home_middle_layout.removeAllViews();

// home_middle_layout.invalidate();

getNetData(s);

}

/**

* 退出程序

*/

private void doExit() {

AlertDialog.Builder ab = new AlertDialog.Builder(this);

ab.setTitle("提示");

ab.setMessage("确定要退出吗");

ab.setPositiveButton("确定", new DialogInterface.OnClickListener() {

public void onClick(DialogInterface arg0, int arg1) {

if(waitingDialog != null){

waitingDialog.hide();

waitingDialog = null;

}

MeetingListActivity.this.finish();

}

});

ab.setNegativeButton("取消", null);

ab.create();

ab.show();

}

/**

* 切换屏幕回调函数，用户保存数据

*/

@Override

public Object onRetainNonConfigurationInstance() {

List<MeetingBean> data = meeting;

return data;

}

@Override

public boolean onKeyDown(int keyCode, KeyEvent event) {

if (keyCode == KeyEvent.KEYCODE_BACK) {

doExit();

}

return super.onKeyDown(keyCode, event);

}

}

代码：meeting_list_layout XML

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:background="#ebebeb"

android:orientation="vertical" >

<RelativeLayout

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:background="@drawable/meeting_title_bg" >

<ImageView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_centerVertical="true"

android:layout_marginLeft="20sp"

android:background="@drawable/meeting_logo"

android:contentDescription="@string/sss" />

<LinearLayout

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentRight="true"

android:layout_centerVertical="true"

android:layout_marginRight="20sp"

android:gravity="center_vertical"

android:orientation="horizontal" >

<ImageView

android:id="@+id/home_title_date"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginRight="50dp"

android:background="@drawable/home_title_date_bg"

android:contentDescription="@string/sss" />

<ImageView

android:id="@+id/home_title_close"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:background="@drawable/meeting_title_close_bg"

android:contentDescription="@string/sss" />

</LinearLayout>

</RelativeLayout>

<HorizontalScrollView

android:layout_width="match_parent"

android:layout_height="match_parent"

android:fillViewport="true"

android:fadingEdge="none"

android:scrollbars="none" >

<LinearLayout

android:id="@+id/home_middle_layout"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:background="#ebebeb"

android:orientation="horizontal" >

</LinearLayout>

</HorizontalScrollView>

</LinearLayout>