Android for TV: Customize the Sun of the view

Look first.

Package Com.hhzt.iptv.lvb_w8.view;

Import Android.content.Context;
Import Android.graphics.Canvas;
Import Android.graphics.Color;
Import Android.graphics.Paint;
Import Android.graphics.PixelFormat;
Import Android.graphics.PorterDuff;
Import Android.os.Handler;
Import Android.os.Message;
Import Android.util.AttributeSet;
Import Android.view.SurfaceHolder;
Import Android.view.SurfaceView;
Import Android.view.View;

/**
* Custom Light Select View
*
* @author Chuwe1
*/
public class Lightview extends Surfaceview implements Surfaceholder.callback, Runnable {

Default radius
private static final int default_radius = 170;

Private Surfaceholder Mholder;
Private Canvas Mcanvas;
Private Boolean flag;
/**
* Current Progress
*/
private int mcurrentcount = 0;

Circle and Scale brushes
Private Paint Mpaint;
Pointer brush
Private Paint Mpointerpaint;

The width and height of the canvas
private int mcanvaswidth, mcanvasheight;
Clock radius
private int mradius = Default_radius;


Public Lightview (Context context) {
This (context, NULL);
}

Public Lightview (context context, AttributeSet Attrs) {
This (context, attrs, 0);
}

Public Lightview (context context, AttributeSet attrs, int defstyleattr) {
Super (context, attrs, defstyleattr);

Mholder = Getholder ();
Mholder.addcallback (this);

Mpaint = new Paint ();
Mpointerpaint = new Paint ();

Mpaint.setcolor (Color.White);
Mpaint.setantialias (TRUE); Anti-aliasing
Mpaint.setstrokewidth (10); Set the width of the ring
Mpaint.setstrokecap (Paint.Cap.ROUND); Defines the segment power cut shape as a round head
Mpaint.setantialias (TRUE); Anti-aliasing



Mpointerpaint.setcolor (Color.Black);
Mpointerpaint.setantialias (TRUE);
Mpointerpaint.setstyle (Paint.Style.FILL_AND_STROKE);
Mpointerpaint.settextsize (22);
Mpointerpaint.settextalign (Paint.Align.CENTER);

Setzorderontop (TRUE);
Getholder (). SetFormat (pixelformat.translucent);

Setfocusable (TRUE);
Setfocusableintouchmode (TRUE);
}

@Override
protected void onmeasure (int widthmeasurespec, int heightmeasurespec) {
Super.onmeasure (Widthmeasurespec, Heightmeasurespec);

int widthsize = measurespec.getsize (Widthmeasurespec);
int widthmode = Measurespec.getmode (Widthmeasurespec);
int heightsize = measurespec.getsize (Heightmeasurespec);
int heightmode = Measurespec.getmode (Heightmeasurespec);

int Desiredwidth, desiredheight;
if (Widthmode = = measurespec.exactly) {
Desiredwidth = widthsize;
} else {
Desiredwidth = Mradius * 2 + getpaddingleft () + getpaddingright ();
if (Widthmode = = Measurespec.at_most) {
Desiredwidth = Math.min (widthsize, desiredwidth);
}
}

if (Heightmode = = measurespec.exactly) {
Desiredheight = heightsize;
} else {
Desiredheight = Mradius * 2 + getpaddingtop () + Getpaddingbottom ();
if (Heightmode = = Measurespec.at_most) {
Desiredheight = Math.min (heightsize, desiredheight);
}
}

+4 is to set the default 2px padding, because the brush setting of the circle that draws the clock is set to a width of 2px
Setmeasureddimension (mcanvaswidth = Desiredwidth +, Mcanvasheight = desiredheight + 20);

Mradius = (int) (Math.min (Desiredwidth-getpaddingleft ()-Getpaddingright (),
Desiredheight-getpaddingtop ()-Getpaddingbottom ()) * 1.0F/2);
}

@Override
public void surfacecreated (Surfaceholder holder) {
Flag = true;
New Thread (This). Start ();
}

@Override
public void surfacechanged (surfaceholder holder, int format, int width, int height) {
}

@Override
public void surfacedestroyed (Surfaceholder holder) {
Flag = false;
}

@Override
public void Run () {
Draw ();
}

Private Handler Handler = new Handler (new Handler.callback () {
@Override
public boolean handlemessage (Message msg) {
return false;
}
});


/**
* Draw
*/
private void Draw () {
try {
Mcanvas = Mholder.lockcanvas ();
if (Mcanvas! = null) {
Remove background color to make it transparent
Mcanvas.drawcolor (Color.transparent, PorterDuff.Mode.CLEAR);

Mpaint.setcolor (Color.White);
Move the coordinate system origin to the center of the canvas after the inner margin is removed
Mcanvas.translate (Mcanvaswidth * 1.0F/2 + getpaddingleft ()-Getpaddingright (),
Mcanvasheight * 1.0F/2 + getpaddingtop ()-getpaddingbottom ());
Draw a disc
Mcanvas.drawcircle (0, 0, mRadius-30, mpaint);
Mpaint.setcolor (Color.White);
Draw a Time degree
for (int i = 0; i < i++) {
Mcanvas.drawline (0, Mradius, 0, mRadius-10, mpaint);
Mcanvas.rotate (36);
}
Mpaint.setcolor (Color.parsecolor ("#FEF37A"));
Draw a Time degree
for (int i = 0; i < Mcurrentcount; i++) {
Mcanvas.drawline (0,-mradius, 0,-(mRadius-10), mpaint);
Mcanvas.rotate (36);
}
}
} catch (Exception e) {
E.printstacktrace ();
} finally {
if (Mcanvas! = null) {
Mholder.unlockcanvasandpost (Mcanvas);
}
}
}

public void Setcurrentcount (int count) {
This.mcurrentcount = count;
Invalidate ();
}

@Override
protected void OnLayout (Boolean changed, int left, int top, int. right, int bottom) {
Super.onlayout (changed, left, top, right, bottom);
This.setbackgroundcolor (color.transparent);
}

  
}

Android for TV: Customize the Sun of the view