implementation 'com.Google.code.gson:gson:2.8.6'<button androID:ID="@+ID/button" androID:layout_wIDth="120dp" androID:layout_height="60dp" androID:text="选择地区"/>button button = findVIEwByID(R.ID.button);button.setonClickListener(new VIEw.OnClickListener() { @OverrIDe public voID onClick(VIEw v) { AlertDialog.Builder builder=new AlertDialog.Builder(Info.this); VIEw vIEw = LayoutInflater.from(Info.this).inflate(R.layout.addressdialog, null); builder.setVIEw(vIEw); linearLayout addressdialog_linearlayout = (linearLayout)vIEw.findVIEwByID(R.ID.addressdialog_linearlayout); final ScrollerNumberPicker provincePicker = (ScrollerNumberPicker)vIEw.findVIEwByID(R.ID.province); final ScrollerNumberPicker cityPicker = (ScrollerNumberPicker)vIEw.findVIEwByID(R.ID.city); final ScrollerNumberPicker counyPicker = (ScrollerNumberPicker)vIEw.findVIEwByID(R.ID.couny); final AlertDialog dialog = builder.show(); addressdialog_linearlayout.setonClickListener(new VIEw.OnClickListener() { @OverrIDe public voID onClick(VIEw v) { button.setText(provincePicker.getSelectedText()+cityPicker.getSelectedText()+counyPicker.getSelectedText()); save.setVisibility(VIEw.VISIBLE); Log.i("kkkk",provincePicker.getSelectedText()+cityPicker.getSelectedText()+counyPicker.getSelectedText()); dialog.dismiss(); } }); } });<?xml version="1.0" enCoding="utf-8"?><relativeLayout xmlns:androID="http://schemas.androID.com/apk/res/androID" androID:orIEntation="vertical" androID:layout_wIDth="match_parent" androID:layout_height="match_parent"> <!--顶部导航--> <linearLayout androID:ID="@+ID/myaddress_linerlayout" androID:layout_wIDth="match_parent" androID:layout_height="45dp" androID:orIEntation="horizontal" androID:gravity="center" androID:background="#1290DC"> <linearLayout androID:layout_wIDth="match_parent" androID:layout_height="match_parent" androID:layout_weight="1" androID:orIEntation="vertical" androID:gravity="left|center"> <TextVIEw androID:layout_wIDth="wrap_content" androID:layout_height="wrap_content" androID:layout_margintop="3dp" androID:layout_marginBottom="5dp" androID:layout_marginleft="15dp" androID:text="选择地区" androID:textcolor="#fff" androID:textSize="17dp"/> </linearLayout> <linearLayout androID:ID="@+ID/addressdialog_linearlayout" androID:layout_wIDth="match_parent" androID:layout_height="match_parent" androID:layout_weight="1" androID:orIEntation="vertical" androID:gravity="center|right"> <TextVIEw androID:layout_wIDth="wrap_content" androID:layout_height="wrap_content" androID:layout_margintop="3dp" androID:layout_marginBottom="5dp" androID:layout_marginRight="15dp" androID:text="确定" androID:textcolor="#fff" androID:textSize="17dp"/> </linearLayout> </linearLayout> <linearLayout androID:layout_below="@+ID/myaddress_linerlayout" androID:layout_wIDth="match_parent" androID:layout_height="180dp" androID:orIEntation="horizontal" androID:gravity="center" androID:background="#ffff"> <com.czhoujunlv.drug.city.CityPicker androID:ID="@+ID/citypicker" androID:layout_wIDth="match_parent" androID:layout_height="wrap_content" androID:layout_gravity="center" androID:gravity="center" androID:orIEntation="vertical"/> </linearLayout></relativeLayout>/** * 城市Picker * * @author * */public class CityPicker extends linearLayout { /** 滑动控件 */ private ScrollerNumberPicker provincePicker; private ScrollerNumberPicker cityPicker; private ScrollerNumberPicker counyPicker; /** 选择监听 */ private OnSelectingListener onSelectingListener; /** 刷新界面 */ private static final int REFRESH_VIEW = 0x001; /** 临时日期 */ private int tempProvinceIndex = -1; private int temCityIndex = -1; private int tempCounyIndex = -1; private Context context; private List<Cityinfo> province_List = new ArrayList<Cityinfo>(); private HashMap<String, List<Cityinfo>> city_map = new HashMap<String, List<Cityinfo>>(); private HashMap<String, List<Cityinfo>> couny_map = new HashMap<String, List<Cityinfo>>(); private CitycodeUtil citycodeUtil; private String city_code_string; private String city_string; public CityPicker(Context context, AttributeSet attrs) { super(context, attrs); this.context = context; getaddressinfo(); // Todo auto-generated constructor stub } public CityPicker(Context context) { super(context); this.context = context; getaddressinfo(); // Todo auto-generated constructor stub } // 获取城市信息 private voID getaddressinfo() { // Todo auto-generated method stub // 读取城市信息string JsONParser parser = new JsONParser(); String area_str = fileUtil.readAssets(context, "area.Json"); province_List = parser.getJsONParserResult(area_str, "area0"); city_map = parser.getJsONParserResultArray(area_str, "area1"); couny_map = parser.getJsONParserResultArray(area_str, "area2"); } public static class JsONParser { public ArrayList<String> province_List_code = new ArrayList<String>(); public ArrayList<String> city_List_code = new ArrayList<String>(); public List<Cityinfo> getJsONParserResult(String JsONString, String key) { List<Cityinfo> List = new ArrayList<Cityinfo>(); JsonObject result = new JsonParser().parse(JsONString) .getAsJsonObject().getAsJsonObject(key); Iterator<?> iterator = result.entrySet().iterator(); while (iterator.hasNext()) { @SuppressWarnings("unchecked") Entry<String, JsonElement> entry = (Entry<String, JsonElement>) iterator .next(); Cityinfo cityinfo = new Cityinfo(); cityinfo.setCity_name(entry.getValue().getAsstring()); cityinfo.setID(entry.getKey()); province_List_code.add(entry.getKey()); List.add(cityinfo); } System.out.println(province_List_code.size()); return List; } public HashMap<String, List<Cityinfo>> getJsONParserResultArray( String JsONString, String key) { HashMap<String, List<Cityinfo>> hashMap = new HashMap<String, List<Cityinfo>>(); JsonObject result = new JsonParser().parse(JsONString) .getAsJsonObject().getAsJsonObject(key); Iterator<?> iterator = result.entrySet().iterator(); while (iterator.hasNext()) { @SuppressWarnings("unchecked") Entry<String, JsonElement> entry = (Entry<String, JsonElement>) iterator .next(); List<Cityinfo> List = new ArrayList<Cityinfo>(); JsonArray array = entry.getValue().getAsJsonArray(); for (int i = 0; i < array.size(); i++) { Cityinfo cityinfo = new Cityinfo(); cityinfo.setCity_name(array.get(i).getAsJsonArray().get(0) .getAsstring()); cityinfo.setID(array.get(i).getAsJsonArray().get(1) .getAsstring()); city_List_code.add(array.get(i).getAsJsonArray().get(1) .getAsstring()); List.add(cityinfo); } hashMap.put(entry.getKey(), List); } return hashMap; } } @OverrIDe protected voID onFinishInflate() { super.onFinishInflate(); LayoutInflater.from(getContext()).inflate(R.layout.city_picker, this); citycodeUtil = CitycodeUtil.getSingleton(); // 获取控件引用 provincePicker = (ScrollerNumberPicker) findVIEwByID(R.ID.province); cityPicker = (ScrollerNumberPicker) findVIEwByID(R.ID.city); counyPicker = (ScrollerNumberPicker) findVIEwByID(R.ID.couny); provincePicker.setData(citycodeUtil.getProvince(province_List)); provincePicker.setDefault(1); cityPicker.setData(citycodeUtil.getCity(city_map, citycodeUtil .getProvince_List_code().get(1))); cityPicker.setDefault(1); counyPicker.setData(citycodeUtil.getCouny(couny_map, citycodeUtil .getCity_List_code().get(1))); counyPicker.setDefault(1); provincePicker.setonSelectListener(new ScrollerNumberPicker.OnSelectListener() { @OverrIDe public voID endSelect(int ID, String text) { // Todo auto-generated method stub Log.i("kkkk" ,ID + "text----->" + text); if (text.equals("") || text == null) return; if (tempProvinceIndex != ID) { System.out.println("endselect"); String selectDay = cityPicker.getSelectedText(); if (selectDay == null || selectDay.equals("")) return; String selectMonth = counyPicker.getSelectedText(); if (selectMonth == null || selectMonth.equals("")) return; // 城市数组 cityPicker.setData(citycodeUtil.getCity(city_map, citycodeUtil.getProvince_List_code().get(ID))); cityPicker.setDefault(1); counyPicker.setData(citycodeUtil.getCouny(couny_map, citycodeUtil.getCity_List_code().get(1))); counyPicker.setDefault(1); int lastDay = Integer.valueOf(provincePicker.getListSize()); if (ID > lastDay) { provincePicker.setDefault(lastDay - 1); } } tempProvinceIndex = ID; Message message = new Message(); message.what = REFRESH_VIEW; handler.sendMessage(message); } @OverrIDe public voID selecting(int ID, String text) { // Todo auto-generated method stub } }); cityPicker.setonSelectListener(new ScrollerNumberPicker.OnSelectListener() { @OverrIDe public voID endSelect(int ID, String text) { // Todo auto-generated method stub if (text.equals("") || text == null) return; if (temCityIndex != ID) { String selectDay = provincePicker.getSelectedText(); if (selectDay == null || selectDay.equals("")) return; String selectMonth = counyPicker.getSelectedText(); if (selectMonth == null || selectMonth.equals("")) return; counyPicker.setData(citycodeUtil.getCouny(couny_map, citycodeUtil.getCity_List_code().get(ID))); counyPicker.setDefault(1); int lastDay = Integer.valueOf(cityPicker.getListSize()); if (ID > lastDay) { cityPicker.setDefault(lastDay - 1); } } temCityIndex = ID; Message message = new Message(); message.what = REFRESH_VIEW; handler.sendMessage(message); } @OverrIDe public voID selecting(int ID, String text) { // Todo auto-generated method stub } }); counyPicker.setonSelectListener(new ScrollerNumberPicker.OnSelectListener() { @OverrIDe public voID endSelect(int ID, String text) { // Todo auto-generated method stub if (text.equals("") || text == null) return; if (tempCounyIndex != ID) { String selectDay = provincePicker.getSelectedText(); if (selectDay == null || selectDay.equals("")) return; String selectMonth = cityPicker.getSelectedText(); if (selectMonth == null || selectMonth.equals("")) return; // 城市数组 city_code_string = citycodeUtil.getCouny_List_code() .get(ID); int lastDay = Integer.valueOf(counyPicker.getListSize()); if (ID > lastDay) { counyPicker.setDefault(lastDay - 1); } } tempCounyIndex = ID; Message message = new Message(); message.what = REFRESH_VIEW; handler.sendMessage(message); } @OverrIDe public voID selecting(int ID, String text) { // Todo auto-generated method stub } }); } @Suppresslint("HandlerLeak") Handler handler = new Handler() { @OverrIDe public voID handleMessage(Message msg) { // Todo auto-generated method stub super.handleMessage(msg); switch (msg.what) { case REFRESH_VIEW: if (onSelectingListener != null) onSelectingListener.selected(true); break; default: break; } } }; public voID setonSelectingListener(OnSelectingListener onSelectingListener) { this.onSelectingListener = onSelectingListener; } public String getCity_code_string() { return city_code_string; } public String getCity_string() { city_string = provincePicker.getSelectedText() + cityPicker.getSelectedText() + counyPicker.getSelectedText(); return city_string; } public interface OnSelectingListener { public voID selected(boolean selected); }}文件下载以及放置位置
/** * * 滑动选择 * * @author * */public class ScrollerNumberPicker extends VIEw { /** 控件宽度 */ private float controlWIDth; /** 控件高度 */ private float controlHeight; /** 是否滑动中 */ private boolean isScrolling = false; /** 选择的内容 */ private ArrayList<ItemObject> itemList = new ArrayList<ItemObject>(); /** 设置数据 */ private ArrayList<String> dataList = new ArrayList<String>(); /** 按下的坐标 */ private int downY; /** 按下的时间 */ private long downTime = 0; /** 短促移动 */ private long goonTime = 200; /** 短促移动距离 */ private int goondistence = 100; /** 画线画笔 */ private Paint linePaint; /** 线的默认颜色 */ private int linecolor = 0xff000000; /** 默认字体 */ private float normalFont = 14.0f; /** 选中的时候字体 */ private float selectedFont = 22.0f; /** 单元格高度 */ private int unitHeight = 50; /** 显示多少个内容 */ private int itemNumber = 7; /** 默认字体颜色 */ private int normalcolor = 0xff000000; /** 选中时候的字体颜色 */ private int selectedcolor = 0xffff0000; /** 蒙板高度 */ private float maskHight = 48.0f; /** 选择监听 */ private OnSelectListener onSelectListener; /** 是否可用 */ private boolean isEnable = true; /** 刷新界面 */ private static final int REFRESH_VIEW = 0x001; /** 移动距离 */ private static final int MOVE_NUMBER = 5; /** 是否允许选空 */ private boolean noEmpty = false; /** 正在修改数据，避免ConcurrentModificationException异常 */ private boolean isClearing = false; public ScrollerNumberPicker(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); // Todo auto-generated constructor stub init(context, attrs); initData(); } public ScrollerNumberPicker(Context context, AttributeSet attrs) { super(context, attrs); // Todo auto-generated constructor stub init(context, attrs); initData(); } public ScrollerNumberPicker(Context context) { super(context); // Todo auto-generated constructor stub initData(); } @OverrIDe public boolean ontouchEvent(MotionEvent event) { // Todo auto-generated method stub if (!isEnable) return true; int y = (int) event.getY(); switch (event.getAction()) { case MotionEvent.ACTION_DOWN: isScrolling = true; downY = (int) event.getY(); downTime = System.currentTimeMillis(); break; case MotionEvent.ACTION_MOVE: actionMove(y - downY); onSelectListener(); break; case MotionEvent.ACTION_UP: // 移动距离的绝对值 int move = (y - downY); move = move > 0 ? move : move * (-1); // 判断段时间移动的距离 if (System.currentTimeMillis() - downTime < goonTime && move > goondistence) { goonMove(y - downY); } else { actionUp(y - downY); } noEmpty(); isScrolling = false; break; default: break; } return true; } @OverrIDe protected voID onDraw(Canvas canvas) { // Todo auto-generated method stub super.onDraw(canvas); drawline(canvas); drawList(canvas); drawMask(canvas); } private synchronized voID drawList(Canvas canvas) { if (isClearing) return; try { for (ItemObject itemObject : itemList) { itemObject.drawSelf(canvas); } } catch (Exception e) { // Todo: handle exception } } @OverrIDe protected voID onLayout(boolean changed, int left, int top, int right, int bottom) { // Todo auto-generated method stub super.onLayout(changed, left, top, right, bottom); } @OverrIDe protected voID onMeasure(int wIDthMeasureSpec, int heightmeasureSpec) { // Todo auto-generated method stub super.onMeasure(wIDthMeasureSpec, heightmeasureSpec); controlWIDth = getWIDth(); if (controlWIDth != 0) { setMeasuredDimension(getWIDth(), itemNumber * unitHeight); controlWIDth = getWIDth(); } } /** * 继续移动一定距离 */ private synchronized voID goonMove(final int move) { new Thread(new Runnable() { @OverrIDe public voID run() { // Todo auto-generated method stub int distence = 0; while (distence < unitHeight * MOVE_NUMBER) { try { Thread.sleep(5); } catch (InterruptedException e) { // Todo auto-generated catch block e.printstacktrace(); } actionThreadMove(move > 0 ? distence : distence * (-1)); distence += 10; } actionUp(move > 0 ? distence - 10 : distence * (-1) + 10); noEmpty(); } }).start(); } /** * 不能为空，必须有选项 */ private voID noEmpty() { if (!noEmpty) return; for (ItemObject item : itemList) { if (item.isSelected()) return; } int move = (int) itemList.get(0).movetoSelected(); if (move < 0) { defaultMove(move); } else { defaultMove((int) itemList.get(itemList.size() - 1) .movetoSelected()); } for (ItemObject item : itemList) { if (item.isSelected()) { if (onSelectListener != null) onSelectListener.endSelect(item.ID, item.itemText); break; } } } /** * 初始化数据 */ private voID initData() { isClearing = true; itemList.clear(); for (int i = 0; i < dataList.size(); i++) { ItemObject itmItemObject = new ItemObject(); itmItemObject.ID = i; itmItemObject.itemText = dataList.get(i); itmItemObject.x = 0; itmItemObject.y = i * unitHeight; itemList.add(itmItemObject); } isClearing = false; } /** * 移动的时候 * * @param move */ private voID actionMove(int move) { for (ItemObject item : itemList) { item.move(move); } invalIDate(); } /** * 移动，线程中调用 * * @param move */ private voID actionThreadMove(int move) { for (ItemObject item : itemList) { item.move(move); } Message rMessage = new Message(); rMessage.what = REFRESH_VIEW; handler.sendMessage(rMessage); } /** * 松开的时候 * * @param move */ private voID actionUp(int move) { int newMove = 0; if (move > 0) { for (int i = 0; i < itemList.size(); i++) { if (itemList.get(i).isSelected()) { newMove = (int) itemList.get(i).movetoSelected(); if (onSelectListener != null) onSelectListener.endSelect(itemList.get(i).ID, itemList.get(i).itemText); break; } } } else { for (int i = itemList.size() - 1; i >= 0; i--) { if (itemList.get(i).isSelected()) { newMove = (int) itemList.get(i).movetoSelected(); if (onSelectListener != null) onSelectListener.endSelect(itemList.get(i).ID, itemList.get(i).itemText); break; } } } for (ItemObject item : itemList) { item.newY(move + 0); } slowMove(newMove); Message rMessage = new Message(); rMessage.what = REFRESH_VIEW; handler.sendMessage(rMessage); } /** * 缓慢移动 * * @param move */ private synchronized voID slowMove(final int move) { new Thread(new Runnable() { @OverrIDe public voID run() { // Todo auto-generated method stub // 判断政府 int m = move > 0 ? move : move * (-1); int i = move > 0 ? 1 : (-1); // 移动速度 int speed = 1; while (true) { m = m - speed; if (m <= 0) { for (ItemObject item : itemList) { item.newY(m * i); } Message rMessage = new Message(); rMessage.what = REFRESH_VIEW; handler.sendMessage(rMessage); try { Thread.sleep(2); } catch (InterruptedException e) { // Todo auto-generated catch block e.printstacktrace(); } break; } for (ItemObject item : itemList) { item.newY(speed * i); } Message rMessage = new Message(); rMessage.what = REFRESH_VIEW; handler.sendMessage(rMessage); try { Thread.sleep(2); } catch (InterruptedException e) { // Todo auto-generated catch block e.printstacktrace(); } } for (ItemObject item : itemList) { if (item.isSelected()) { if (onSelectListener != null) onSelectListener.endSelect(item.ID, item.itemText); break; } } } }).start(); } /** * 移动到默认位置 * * @param move */ private voID defaultMove(int move) { for (ItemObject item : itemList) { item.newY(move); } Message rMessage = new Message(); rMessage.what = REFRESH_VIEW; handler.sendMessage(rMessage); } /** * 滑动监听 */ private voID onSelectListener() { if (onSelectListener == null) return; for (ItemObject item : itemList) { if (item.isSelected()) { onSelectListener.selecting(item.ID, item.itemText); } } } /** * 绘制线条 * * @param canvas */ private voID drawline(Canvas canvas) { if (linePaint == null) { linePaint = new Paint(); linePaint.setcolor(linecolor); linePaint.setAntiAlias(true); linePaint.setstrokeWIDth(1f); } canvas.drawline(0, controlHeight / 2 - unitHeight / 2 + 2, controlWIDth, controlHeight / 2 - unitHeight / 2 + 2, linePaint); canvas.drawline(0, controlHeight / 2 + unitHeight / 2 - 2, controlWIDth, controlHeight / 2 + unitHeight / 2 - 2, linePaint); } /** * 绘制遮盖板 * * @param canvas */ private voID drawMask(Canvas canvas) { linearGradIEnt lg = new linearGradIEnt(0, 0, 0, maskHight, 0x00f2f2f2, 0x00f2f2f2, TileMode.MIRROR); Paint paint = new Paint(); paint.setShader(lg); canvas.drawRect(0, 0, controlWIDth, maskHight, paint); linearGradIEnt lg2 = new linearGradIEnt(0, controlHeight - maskHight, 0, controlHeight, 0x00f2f2f2, 0x00f2f2f2, TileMode.MIRROR); Paint paint2 = new Paint(); paint2.setShader(lg2); canvas.drawRect(0, controlHeight - maskHight, controlWIDth, controlHeight, paint2); } /** * 初始化，获取设置的属性 * * @param context * @param attrs */ private voID init(Context context, AttributeSet attrs) { TypedArray attribute = context.obtainStyledAttributes(attrs, R.styleable.NumberPicker); unitHeight = (int) attribute.getDimension( R.styleable.NumberPicker_unitHight, 32); normalFont = attribute.getDimension( R.styleable.NumberPicker_normalTextSize, 14.0f); selectedFont = attribute.getDimension( R.styleable.NumberPicker_selecredTextSize, 22.0f); itemNumber = attribute.getInt(R.styleable.NumberPicker_itemNumber, 7); normalcolor = attribute.getcolor( R.styleable.NumberPicker_normalTextcolor, 0xff000000); selectedcolor = attribute.getcolor( R.styleable.NumberPicker_selecredTextcolor, 0xffff0000); linecolor = attribute.getcolor(R.styleable.NumberPicker_linecolor, 0xff000000); maskHight = attribute.getDimension( R.styleable.NumberPicker_maskHight, 48.0f); noEmpty = attribute.getBoolean(R.styleable.NumberPicker_noEmpty, false); isEnable = attribute.getBoolean(R.styleable.NumberPicker_isEnable, true); attribute.recycle(); controlHeight = itemNumber * unitHeight; } /** * 设置数据 * * @param data */ public voID setData(ArrayList<String> data) { this.dataList = data; initData(); } /** * 获取返回项 * * @return */ public int getSelected() { for (ItemObject item : itemList) { if (item.isSelected()) return item.ID; } return -1; } /** * 获取返回的内容 * * @return */ public String getSelectedText() { for (ItemObject item : itemList) { if (item.isSelected()) return item.itemText; } return ""; } /** * 是否正在滑动 * * @return */ public boolean isScrolling() { return isScrolling; } /** * 是否可用 * * @return */ public boolean isEnable() { return isEnable; } /** * 设置是否可用 * * @param isEnable */ public voID setEnable(boolean isEnable) { this.isEnable = isEnable; } /** * 设置默认选项 * * @param index */ public voID setDefault(int index) { float move = itemList.get(index).movetoSelected(); defaultMove((int) move); } /** * 获取列表大小 * * @return */ public int getListSize() { if (itemList == null) return 0; return itemList.size(); } /** * 获取某项的内容 * * @param index * @return */ public String getItemText(int index) { if (itemList == null) return ""; return itemList.get(index).itemText; } /** * 监听 * * @param onSelectListener */ public voID setonSelectListener(OnSelectListener onSelectListener) { this.onSelectListener = onSelectListener; } @Suppresslint("HandlerLeak") Handler handler = new Handler() { @OverrIDe public voID handleMessage(Message msg) { // Todo auto-generated method stub super.handleMessage(msg); switch (msg.what) { case REFRESH_VIEW: invalIDate(); break; default: break; } } }; /** * 单条内容 * * @author zoudong */ private class ItemObject { /** ID */ public int ID = 0; /** 内容 */ public String itemText = ""; /** x坐标 */ public int x = 0; /** y坐标 */ public int y = 0; /** 移动距离 */ public int move = 0; /** 字体画笔 */ private Paint textPaint; /** 字体范围矩形 */ private Rect textRect; public ItemObject() { super(); } /** * 绘制自身 * * @param canvas */ public voID drawSelf(Canvas canvas) { if (textPaint == null) { textPaint = new Paint(); textPaint.setAntiAlias(true); } if (textRect == null) textRect = new Rect(); // 判断是否被选择 if (isSelected()) { textPaint.setcolor(selectedcolor); // 获取距离标准位置的距离 float movetoSelect = movetoSelected(); movetoSelect = movetoSelect > 0 ? movetoSelect : movetoSelect * (-1); // 计算当前字体大小 float textSize = (float) normalFont + ((float) (selectedFont - normalFont) * (1.0f - (float) movetoSelect / (float) unitHeight)); textPaint.setTextSize(textSize); } else { textPaint.setcolor(normalcolor); textPaint.setTextSize(normalFont); } // 返回包围整个字符串的最小的一个Rect区域 textPaint.getTextBounds(itemText, 0, itemText.length(), textRect); // 判断是否可视 if (!isInVIEw()) return; // 绘制内容 canvas.drawText(itemText, x + controlWIDth / 2 - textRect.wIDth() / 2, y + move + unitHeight / 2 + textRect.height() / 2, textPaint); } public boolean isInVIEw() { if (y + move > controlHeight || (y + move + unitHeight / 2 + textRect.height() / 2) < 0) return false; return true; } /** * 移动距离 * * @param _move */ public voID move(int _move) { this.move = _move; } public voID newY(int _move) { this.move = 0; this.y = y + _move; } /** * 判断是否在选择区域内 * * @return */ public boolean isSelected() { if ((y + move) >= controlHeight / 2 - unitHeight / 2 + 2 && (y + move) <= controlHeight / 2 + unitHeight / 2 - 2) return true; if ((y + move + unitHeight) >= controlHeight / 2 - unitHeight / 2 + 2 && (y + move + unitHeight) <= controlHeight / 2 + unitHeight / 2 - 2) return true; if ((y + move) <= controlHeight / 2 - unitHeight / 2 + 2 && (y + move + unitHeight) >= controlHeight / 2 + unitHeight / 2 - 2) return true; return false; } /** * 获取移动到标准位置需要的距离 */ public float movetoSelected() { return (controlHeight / 2 - unitHeight / 2) - (y + move); } } /** * 选择监听监听 * * @author zoudong * */ public interface OnSelectListener { /** * 结束选择 * * @param ID * @param text */ public voID endSelect(int ID, String text); /** * 选中的内容 * * @param ID * @param text */ public voID selecting(int ID, String text); }}<?xml version="1.0" enCoding="utf-8"?><linearLayout xmlns:androID="http://schemas.androID.com/apk/res/androID" xmlns:su="http://schemas.androID.com/apk/res-auto" androID:layout_wIDth="wrap_content" androID:layout_height="wrap_content" androID:gravity="center_horizontal" androID:orIEntation="horizontal" > <com.czhoujunlv.drug.city.ScrollerNumberPicker androID:ID="@+ID/province" androID:layout_wIDth="0dp" androID:layout_height="wrap_content" androID:layout_marginleft="1dp" androID:layout_marginRight="1dp" androID:layout_weight="1" su:itemNumber="3" su:linecolor="#ffff6000" su:maskHight="32dp" su:noEmpty="true" su:normalTextcolor="#777" su:normalTextSize="12sp" su:selecredTextcolor="#ff000000" su:selecredTextSize="13sp" su:unitHight="50dp" /> <com.czhoujunlv.drug.city.ScrollerNumberPicker androID:ID="@+ID/city" androID:layout_wIDth="0dp" androID:layout_height="wrap_content" androID:layout_marginleft="1dp" androID:layout_marginRight="1dp" androID:layout_weight="1" su:itemNumber="3" su:linecolor="#ffff6000" su:maskHight="32dp" su:noEmpty="true" su:normalTextcolor="#777" su:normalTextSize="12sp" su:selecredTextcolor="#ff000000" su:selecredTextSize="13sp" su:unitHight="50dp" /> <com.czhoujunlv.drug.city.ScrollerNumberPicker androID:ID="@+ID/couny" androID:layout_wIDth="0dp" androID:layout_height="wrap_content" androID:layout_marginleft="1dp" androID:layout_marginRight="1dp" androID:layout_weight="1" su:itemNumber="3" su:linecolor="#ffff6000" su:maskHight="32dp" su:noEmpty="true" su:normalTextcolor="#777" su:normalTextSize="12sp" su:selecredTextcolor="#ff000000" su:selecredTextSize="13sp" su:unitHight="50dp" /></linearLayout>以上是内存溢出为你收集整理的Android--省市区三级联动（dialog）全部内容，希望文章能够帮你解决Android--省市区三级联动（dialog）所遇到的程序开发问题。
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