Android 单机器人寻呼机
monodroid开发者可以使用ViewPager吗?我看过很多关于Android的教程: 我可以执行此操作并将ViewPager声明为代码,例如:Android 单机器人寻呼机,android,xamarin.android,executable-jar,Android,Xamarin.android,Executable Jar,monodroid开发者可以使用ViewPager吗?我看过很多关于Android的教程: 我可以执行此操作并将ViewPager声明为代码,例如: using Android.Support.V4.Widget; namespace ViewPagerTest { [Activity(Label = "ViewPager", MainLauncher = true, Icon = "@drawable/icon")] public class Activity1 : Acti
using Android.Support.V4.Widget;
namespace ViewPagerTest
{
[Activity(Label = "ViewPager", MainLauncher = true, Icon = "@drawable/icon")]
public class Activity1 : Activity
{
int count = 1;
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
ViewPager pager = new ViewPager( this );
SetContentView(Resource.Layout.Main);
}
}
}
但在本教程中,他使用了如下xml代码:
<android.support.v4.view.ViewPager
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
哪个机器人似乎不喜欢。。
有什么我遗漏的吗?不是对你问题的直接回答 但是有人把一个单独的可视传呼机移植到MonoDroid上: 然后我添加了一个基于
//原贷记人:
// https://github.com/brucejcooper/Android-Examples/blob/master/PagingScrollerExample/src/com/eightbitcloud/pagingscroller/PageIndicator.java
公共类水平页面指示器:视图
{
私人水平寻呼机;
私人涂料(textPaint),;
私人涂料(不作为涂料);;
私人涂料(dotPaint),;
私人涂料(背景涂料),;
私人内部文本高度;
私人内部上升;
私人国际单位大小;
私人浮动(显示密度);;
公共水平页面指示器(上下文上下文、IAttributeSet属性)
:base(上下文、属性)
{
(上下文);
}
公共水平页面指示器(上下文)
:基本(上下文)
{
(上下文);
}
私有void InitPaints(上下文)
{
_displayDensity=context.Resources.DisplayMetrics.Density;
_textPaint=new Paint{antialas=true,TextSize=DeviceIndependentToPixels(14),Color=Color.Black};
_InactiveVedotPaint=new Paint{AntiAlias=true,Color=Color.Gray};
_dotPaint=newpaint{antialas=true,Color=Color.White};
_dotBackgroundPaint=newpaint{antialas=true,Color=Color.Cyan};
_上升=-(int)u textPaint.ascent();
_text高度=(int)(_上升+_textPaint.下降());
_cellSize=设备独立像素(_textHeight+6);
}
公共水平寻呼机
{
获取{return\u pager;}
设置{
如果(_pager!=null)
{
_pager.ScreenChanged-=PagerOnScreenChanged;
}
_寻呼机=值;
如果(_pager!=null)
{
_pager.ScreenChanged+=PagerOnScreenChanged;
}
UpdatePageCount();
}
}
private void PagerOnScreenChanged(对象发送者,EventArgs EventArgs)
{
使无效();
}
public void UpdatePageCount()
{
RequestLayout();
使无效();
}
私人整数
{
得到
{
返回_pager==null?1:_pager.ChildCount;
}
}
私有int活动页
{
得到
{
返回_pager==null?0:_pager.CurrentScreen;
}
}
测量时受保护的覆盖无效(int-widthMeasureSpec、int-heightMeasureSpec)
{
设置测量尺寸(测量宽度(宽度测量等级)、测量高度(高度测量等级));
}
专用整数测量宽度(整数测量长度)
{
var结果=0;
var specMode=MeasureSpec.GetMode(MeasureSpec);
var specSize=MeasureSpec.GetSize(MeasureSpec);
if(specMode==MeasureSpecMode.justice)
{
//我们被告知要有多大
结果=规格尺寸;
}
其他的
{
结果=单位*单元大小;
if(specMode==MeasureSpecMode.AtMost)
{
//尊重是最有价值的,如果这是
//测量
结果=数学最小值(结果、规格尺寸);
}
}
返回结果;
}
私有整数度量权重(整数度量)
{
var结果=0;
var specMode=MeasureSpec.GetMode(MeasureSpec);
var specSize=MeasureSpec.GetSize(MeasureSpec);
if(specMode==MeasureSpecMode.justice)
{
//我们被告知要有多大
结果=规格尺寸;
}
其他的
{
结果=_细胞大小;
if(specMode==MeasureSpecMode.AtMost)
{
//尊重是最有价值的,如果这是
//测量
结果=数学最小值(结果、规格尺寸);
}
}
返回结果;
}
受保护的覆盖无效OnDraw(画布)
{
底座.OnDraw(帆布);
var numPages=numPages;
var activePageIndex=ActivePage;
var x=(canvas.Width-numPages*_cellSize)/2;
//var smallBorder=_cellSize/4;
//var slitlysmallerborder=smallBorder-1;
var emptyDotSize=_cellSize/4;
var dotOffset=(_cellSize-emptyDotSize)/2;
对于(变量i=0;i// original credit to:
// https://github.com/brucejcooper/Android-Examples/blob/master/PagingScrollerExample/src/com/eightbitcloud/pagingscroller/PageIndicator.java
public class HorizontalPagerIndicator : View
{
private HorizontalPager _pager;
private Paint _textPaint;
private Paint _inactiveDotPaint;
private Paint _dotPaint;
private Paint _dotBackgroundPaint;
private int _textHeight;
private int _ascent;
private int _cellSize;
private float _displayDensity;
public HorizontalPagerIndicator(Context context, IAttributeSet attrs)
: base(context, attrs)
{
InitPaints(context);
}
public HorizontalPagerIndicator(Context context)
: base(context)
{
InitPaints(context);
}
private void InitPaints(Context context)
{
_displayDensity = context.Resources.DisplayMetrics.Density;
_textPaint = new Paint {AntiAlias = true, TextSize = DeviceIndependentToPixels(14), Color = Color.Black};
_inactiveDotPaint = new Paint { AntiAlias = true, Color = Color.Gray };
_dotPaint = new Paint {AntiAlias = true, Color = Color.White};
_dotBackgroundPaint = new Paint { AntiAlias = true, Color = Color.Cyan };
_ascent = -(int)_textPaint.Ascent();
_textHeight = (int)(_ascent + _textPaint.Descent());
_cellSize = DeviceIndependentToPixels(_textHeight + 6);
}
public HorizontalPager Pager
{
get { return _pager; }
set {
if (_pager != null)
{
_pager.ScreenChanged -= PagerOnScreenChanged;
}
_pager = value;
if (_pager != null)
{
_pager.ScreenChanged += PagerOnScreenChanged;
}
UpdatePageCount();
}
}
private void PagerOnScreenChanged(object sender, EventArgs eventArgs)
{
Invalidate();
}
public void UpdatePageCount()
{
RequestLayout();
Invalidate();
}
private int NumPages
{
get
{
return _pager == null ? 1 : _pager.ChildCount;
}
}
private int ActivePage
{
get
{
return _pager == null ? 0 : _pager.CurrentScreen;
}
}
protected override void OnMeasure(int widthMeasureSpec, int heightMeasureSpec)
{
SetMeasuredDimension(MeasureWidth(widthMeasureSpec), MeasureHeight(heightMeasureSpec));
}
private int MeasureWidth(int measureSpec)
{
var result = 0;
var specMode = MeasureSpec.GetMode(measureSpec);
var specSize = MeasureSpec.GetSize(measureSpec);
if (specMode == MeasureSpecMode.Exactly)
{
// We were told how big to be
result = specSize;
}
else
{
result = NumPages * _cellSize;
if (specMode == MeasureSpecMode.AtMost)
{
// Respect AT_MOST value if that was what is called for by
// measureSpec
result = Math.Min(result, specSize);
}
}
return result;
}
private int MeasureHeight(int measureSpec)
{
var result = 0;
var specMode = MeasureSpec.GetMode(measureSpec);
var specSize = MeasureSpec.GetSize(measureSpec);
if (specMode == MeasureSpecMode.Exactly)
{
// We were told how big to be
result = specSize;
}
else
{
result = _cellSize;
if (specMode == MeasureSpecMode.AtMost)
{
// Respect AT_MOST value if that was what is called for by
// measureSpec
result = Math.Min(result, specSize);
}
}
return result;
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
var numPages = NumPages;
var activePageIndex = ActivePage;
var x = (canvas.Width - numPages * _cellSize)/2;
//var smallBorder = _cellSize/4;
//var slightlySmallerBorder = smallBorder - 1;
var emptyDotSize = _cellSize/4;
var dotOffset = (_cellSize - emptyDotSize) / 2;
for (var i = 0; i < numPages; i++, x += _cellSize)
{
if (i == activePageIndex)
{
//var txt = (i + 1).ToString(System.Globalization.CultureInfo.CurrentUICulture);
//var bounds = new Rect();
//_textPaint.GetTextBounds(txt, 0, txt.Length, bounds);
//var oval = new RectF(x + smallBorder, smallBorder, x + _cellSize - smallBorder, _cellSize - smallBorder);
var oval = new RectF(x + dotOffset, dotOffset, x + dotOffset + emptyDotSize, dotOffset + emptyDotSize);
var oval1 = new RectF(x + dotOffset - 1, dotOffset - 1, x + dotOffset + emptyDotSize + 1, dotOffset + emptyDotSize + 1);
canvas.DrawOval(oval1, _dotBackgroundPaint);
canvas.DrawOval(oval, _dotPaint);
//canvas.DrawText(txt, x + (_cellSize - bounds.Width()) / 2, (_cellSize - _textHeight) / 2 + _ascent, _textPaint);
}
else
{
var oval = new RectF(x + dotOffset, dotOffset, x + dotOffset + emptyDotSize, dotOffset + emptyDotSize);
canvas.DrawOval(oval, _inactiveDotPaint);
}
}
}
private int DeviceIndependentToPixels(int dpi)
{
return (int)Math.Round((float)dpi * _displayDensity);
}
}