The effect of the map due to the site can not upload, later fill.
Ninepointlineview.java
Copy Code code as follows:
Package Org.demo.custon_view;
Import Org.demo.utils.MLog;
Import Android.content.Context;
Import Android.graphics.Bitmap;
Import Android.graphics.BitmapFactory;
Import Android.graphics.Canvas;
Import Android.graphics.Color;
Import Android.graphics.Paint;
Import Android.graphics.Paint.Cap;
Import Android.graphics.Typeface;
Import Android.util.AttributeSet;
Import android.view.MotionEvent;
Import Android.view.View;
public class Ninepointlineview extends View {
Paint linepaint = new Paint ();
Paint whitelinepaint = new Paint ();
Paint textpaint = new Paint ();
Since all two pictures are squares, it's OK to get a length.
Bitmap Defaultbitmap = Bitmapfactory.decoderesource (Getresources (),
R.drawable.lock);
int defaultbitmapradius = Defaultbitmap.getwidth ()/2;
Initializes the diameter, radius of the selected picture
Bitmap Selectedbitmap = Bitmapfactory.decoderesource (Getresources (),
R.drawable.indicator_lock_area);
int selectedbitmapdiameter = Selectedbitmap.getwidth ();
int Selectedbitmapradius = SELECTEDBITMAPDIAMETER/2;
Array with 9 points defined
Pointinfo[] points = new pointinfo[9];
The point of the corresponding Action_down
Pointinfo startpoint = null;
The width of the screen is high
int width, height;
X,y coordinates obtained when action_move
int MoveX, Movey;
Whether the occurrence of action_up
Boolean isUp = false;
End-generated user lock sequence
StringBuffer lockstring = new StringBuffer ();
Public Ninepointlineview {
Super (context);
This.setbackgroundcolor (Color.White);
Initpaint ();
}
Public Ninepointlineview (context context, AttributeSet Attrs) {
Super (context, attrs);
This.setbackgroundcolor (Color.White);
Initpaint ();
}
@Override
protected void onmeasure (int widthmeasurespec, int heightmeasurespec) {
MLOG.I ("Onmeasure");
Initialize screen size
width = getwidth ();
Height = getheight ();
if (width!= 0 && height!= 0) {
Initpoints (points);
}
MLOG.I ("width, height =" + width + "," + height);
Super.onmeasure (Widthmeasurespec, Heightmeasurespec);
}
@Override
protected void OnLayout (Boolean changed, int left, int. top, int right,
int bottom) {
MLOG.I ("OnLayout");
Super.onlayout (changed, left, top, right, bottom);
}
private int startx = 0, starty = 0;
@Override
protected void OnDraw (Canvas Canvas) {
Canvas.drawtext ("User's sliding Order:" + lockstring, 0, Textpaint);
if (MoveX!= 0 && movey!= 0 && startx!= 0 && starty!= 0) {
Draw the currently active segment
DrawLine (Canvas, StartX, Starty, MoveX, Movey);
}
Drawninepoint (canvas);
Super.ondraw (canvas);
}
Remember, this down and move and up is a pair, and if you don't release from up, you won't get down again;
When you get down, be sure to consume the event, or move and up will not be received by this view's ontouchevent.
@Override
public boolean ontouchevent (Motionevent event) {
Boolean flag = true;
if (isUp) {//If it is finished, reset the properties and lockstring of each point
Finishdraw ();
When up, to return false, the event is released to the system, otherwise the down event cannot be obtained
Flag = false;
else {//not finished sliding, continue drawing
Handlingevent (event);
To return true here, this event is consumed on behalf of the view, otherwise no move and up events are received
Flag = true;
}
return flag;
}
private void Handlingevent (Motionevent event) {
Switch (event.getaction ()) {
Case Motionevent.action_move:
MoveX = (int) event.getx ();
Movey = (int) event.gety ();
MLOG.I ("OnMove:" + MoveX + "," + Movey);
for (Pointinfo temp:points) {
if (Temp.isinmyplace (MoveX, Movey) && temp.isnotselected ()) {
Temp.setselected (TRUE);
StartX = Temp.getcenterx ();
Starty = Temp.getcentery ();
int len = Lockstring.length ();
if (len!= 0) {
int Preid = Lockstring.charat (len-1)-48;
Points[preid].setnextid (Temp.getid ());
}
Lockstring.append (Temp.getid ());
Break
}
}
Invalidate (0, height-width, width, height);
Break
Case Motionevent.action_down:
int downx = (int) event.getx ();
int downY = (int) event.gety ();
MLOG.I ("Ondown:" + Downx + "," + DownY);
for (Pointinfo temp:points) {
if (Temp.isinmyplace (Downx, DownY)) {
Temp.setselected (TRUE);
StartPoint = temp;
StartX = Temp.getcenterx ();
Starty = Temp.getcentery ();
Lockstring.append (Temp.getid ());
Break
}
}
Invalidate (0, height-width, width, height);
Break
Case MOTIONEVENT.ACTION_UP:
MLOG.I ("Onup");
StartX = Starty = MoveX = Movey = 0;
IsUp = true;
Invalidate ();
Break
Default
MLOG.I ("Receive other events!!") ");
Break
}
}
private void Finishdraw () {
for (Pointinfo temp:points) {
Temp.setselected (FALSE);
Temp.setnextid (Temp.getid ());
}
Lockstring.delete (0, Lockstring.length ());
IsUp = false;
Invalidate ();
}
private void Initpoints (pointinfo[] points) {
int len = points.length;
int seletedspacing = (Width-selectedbitmapdiameter * 3)/4;
Displays the upper-left coordinate of the picture when selected
int seletedx = seletedspacing;
int seletedy = height-width + seletedspacing;
Top left corner coordinates of picture when not selected
int defaultx = Seletedx + Selectedbitmapradius-defaultbitmapradius;
int defaulty = seletedy + Selectedbitmapradius-defaultbitmapradius;
Draw each point well
for (int i = 0; i < len; i++) {
if (i = = 3 | | | i = = 6) {
Seletedx = seletedspacing;
Seletedy + + Selectedbitmapdiameter + seletedspacing;
Defaultx = Seletedx + Selectedbitmapradius
-Defaultbitmapradius;
Defaulty + + Selectedbitmapdiameter + seletedspacing;
}
Points[i] = new Pointinfo (i, Defaultx, Defaulty, Seletedx, seletedy);
Seletedx + + Selectedbitmapdiameter + seletedspacing;
Defaultx + + Selectedbitmapdiameter + seletedspacing;
}
}
private void Initpaint () {
Initlinepaint (Linepaint);
Inittextpaint (Textpaint);
Initwhitelinepaint (Whitelinepaint);
}
/**
* Initialize the text brush
* @param paint
*/
private void Inittextpaint (Paint Paint) {
Textpaint.settextsize (30);
Textpaint.setantialias (TRUE);
Textpaint.settypeface (Typeface.monospace);
}
/**
* Initialize the black line brush
*
* @param paint
*/
private void Initlinepaint (Paint Paint) {
Paint.setcolor (Color.gray);
Paint.setstrokewidth (Defaultbitmap.getwidth ());
Paint.setantialias (TRUE);
Paint.setstrokecap (Cap.round);
}
/**
* Initialize white line brush
*
* @param paint
*/
private void Initwhitelinepaint (Paint Paint) {
Paint.setcolor (Color.White);
Paint.setstrokewidth (Defaultbitmap.getwidth ()-5);
Paint.setantialias (TRUE);
Paint.setstrokecap (Cap.round);
}
/**
* Draw the completed part
*
* @param canvas
*/
private void Drawninepoint (Canvas Canvas) {
if (startpoint!= null) {
Draweachline (canvas, startpoint);
}
Draw a picture of each point
for (Pointinfo pointinfo:points) {
if (pointinfo.isselected ()) {//Draw large Circle
Canvas.drawbitmap (Selectedbitmap, Pointinfo.getseletedx (),
Pointinfo.getseletedy (), NULL);
}
Draw Point
Canvas.drawbitmap (Defaultbitmap, Pointinfo.getdefaultx (),
Pointinfo.getdefaulty (), NULL);
}
}
/**
* Recursively draws line segments between each two points
*
* @param canvas
* @param point
*/
private void Draweachline (Canvas Canvas, Pointinfo point) {
if (Point.hasnextid ()) {
int n = point.getnextid ();
DrawLine (Canvas, Point.getcenterx (), Point.getcentery (),
Points[n].getcenterx (), Points[n].getcentery ());
Recursion
Draweachline (canvas, points[n]);
}
}
/**
* Draw black lines first, then draw white line above, to achieve the effect of white line
*
* @param canvas
* @param startx
* @param starty
* @param stopx
* @param stopy
*/
private void DrawLine (Canvas Canvas, float startx, float starty,
Float stopx, float stopy) {
Canvas.drawline (StartX, Starty, Stopx, Stopy, Linepaint);
Canvas.drawline (StartX, Starty, Stopx, Stopy, Whitelinepaint);
}
/**
* Used to indicate a point
*
* @author ZKWLX
*
*/
Private class Pointinfo {
The ID of a point
private int id;
ID of the next point to which the current point is pointing, when there is no time for its own ID
private int NextID;
is selected
Private Boolean selected;
The top left corner of the picture at the default X coordinate
private int defaultx;
The top-left corner of the picture at the default y-coordinate
private int defaulty;
When selected, the top left corner of the picture is X coordinate
private int seletedx;
The y-coordinate of the top left corner of the picture when selected
private int seletedy;
public pointinfo (int id, int defaultx, int defaulty, int seletedx,
int seletedy) {
This.id = ID;
This.nextid = ID;
This.defaultx = Defaultx;
This.defaulty = defaulty;
This.seletedx = Seletedx;
This.seletedy = Seletedy;
}
public boolean isselected () {
return selected;
}
public Boolean isnotselected () {
return!isselected ();
}
public void SetSelected (Boolean selected) {
this.selected = selected;
}
public int getId () {
return ID;
}
public int Getdefaultx () {
return DEFAULTX;
}
public int getdefaulty () {
return defaulty;
}
public int Getseletedx () {
return seletedx;
}
public int Getseletedy () {
return seletedy;
}
public int Getcenterx () {
return Seletedx + Selectedbitmapradius;
}
public int getcentery () {
return seletedy + Selectedbitmapradius;
}
public Boolean Hasnextid () {
return NextID!= ID;
}
public int Getnextid () {
return NextID;
}
public void Setnextid (int nextid) {
This.nextid = NextID;
}
/**
* Coordinates (X,Y) is within the range of the current point
*
* @param x
* @param y
* @return
*/
public boolean isinmyplace (int x, int y) {
Boolean InX = x > Seletedx
&& x < (Seletedx + selectedbitmapdiameter);
Boolean iny = y > Seletedy
&& y < (seletedy + selectedbitmapdiameter);
Return (InX && iny);
}
}
}
Ninepointview.java
Copy Code code as follows:
Package Org.demo.custon_view;
Import Org.demo.utils.MLog;
Import Android.content.Context;
Import Android.graphics.Bitmap;
Import Android.graphics.BitmapFactory;
Import Android.graphics.Canvas;
Import Android.graphics.Color;
Import Android.graphics.Matrix;
Import Android.graphics.Paint;
Import Android.graphics.Paint.Cap;
Import Android.graphics.Path;
Import Android.graphics.Typeface;
Import Android.util.AttributeSet;
Import android.view.MotionEvent;
Import Android.view.View;
public class Ninepointview extends View {
Paint linepaint = new Paint ();
Paint textpaint = new Paint ();
Path PATH = new Path ();
Since all two pictures are squares, it's OK to get a length.
Bitmap Defaultbitmap = Bitmapfactory.decoderesource (Getresources (),
R.drawable.lock);
int defaultbitmapradius = Defaultbitmap.getwidth ()/2;
Initializes the diameter, radius of the selected picture
Bitmap Selectedbitmap = Bitmapfactory.decoderesource (Getresources (),
R.drawable.indicator_lock_area);
int selectedbitmapdiameter = Selectedbitmap.getwidth ();
int Selectedbitmapradius = SELECTEDBITMAPDIAMETER/2;
Picture of the initialization indicator
Bitmap Indicatebitmap = Bitmapfactory.decoderesource (Getresources (),
R.drawable.indicator_lock_area_next);
Bitmap tempbitmap = null;
Array with 9 points defined
Pointinfo[] points = new pointinfo[9];
The width of the screen is high
int width, height;
X,y coordinates obtained when action_move
int MoveX, Movey;
Whether the occurrence of action_up
Boolean isUp = false;
End-generated user lock sequence
StringBuffer lockstring = new StringBuffer ();
Matrix matrix = new Matrix ();
Public Ninepointview {
Super (context);
This.setbackgroundcolor (Color.White);
Initlinepaint (Linepaint);
Inittextpaint (Textpaint);
}
Public Ninepointview (context context, AttributeSet Attrs) {
Super (context, attrs);
This.setbackgroundcolor (Color.White);
Initlinepaint (Linepaint);
Inittextpaint (Textpaint);
}
@Override
protected void onmeasure (int widthmeasurespec, int heightmeasurespec) {
MLOG.I ("Onmeasure");
width = getwidth ();
Height = getheight ();
if (width!= 0 && height!= 0) {
Initpoints (points);
}
MLOG.I ("width, height =" + width + "," + height);
Super.onmeasure (Widthmeasurespec, Heightmeasurespec);
}
@Override
protected void OnLayout (Boolean changed, int left, int. top, int right,
int bottom) {
MLOG.I ("OnLayout");
Super.onlayout (changed, left, top, right, bottom);
}
private int startx = 0, starty = 0;
@Override
protected void OnDraw (Canvas Canvas) {
Canvas.drawtext ("User's sliding Order:" + lockstring, 0, Textpaint);
if (MoveX!= 0 && movey!= 0 && startx!= 0 && starty!= 0) {
Draw the currently active segment
Canvas.drawline (StartX, Starty, MoveX, Movey, Linepaint);
}
Drawninepoint (canvas, linepaint);
Super.ondraw (canvas);
}
Remember, this down and move and up is a pair, and if you don't release from up, you won't get down again;
When you get down, be sure to consume the event, or move and up will not be received by this view's ontouchevent.
@Override
public boolean ontouchevent (Motionevent event) {
Boolean flag = true;
if (isUp) {//If it is finished, reset the entire canvas
Finishdraw ();
When up, to return false, the event is released to the system, otherwise the down event cannot be obtained
Flag = false;
else {//not finished sliding, continue drawing
Handlingevent (event);
Returns true here, otherwise the view does not consume this event and is handed to the system, and no more move and up events are received
Flag = true;
}
return flag;
}
private void Handlingevent (Motionevent event) {
Switch (event.getaction ()) {
Case Motionevent.action_move:
MoveX = (int) event.getx ();
Movey = (int) event.gety ();
MLOG.I ("OnMove:" + MoveX + "," + Movey);
for (Pointinfo temp:points) {
if (Temp.isinmyplace (MoveX, Movey) && temp.isnotselected ()) {
Temp.setselected (TRUE);
StartX = Temp.getcenterx ();
Starty = Temp.getcentery ();
int len = Lockstring.length ();
if (len!= 0) {
int Preid = Lockstring.charat (len-1)-48;
Points[preid].setnextid (Temp.getid ());
}
Lockstring.append (Temp.getid ());
Break
}
}
Invalidate (0, height-width, width, height);
Break
Case Motionevent.action_down:
int downx = (int) event.getx ();
int downY = (int) event.gety ();
MLOG.I ("Ondown:" + Downx + "," + DownY);
for (Pointinfo temp:points) {
if (Temp.isinmyplace (Downx, DownY)) {
Temp.setselected (TRUE);
StartX = Temp.getcenterx ();
Starty = Temp.getcentery ();
Lockstring.append (Temp.getid ());
Break
}
}
Invalidate (0, height-width, width, height);
Break
Case MOTIONEVENT.ACTION_UP:
MLOG.I ("Onup");
StartX = Starty = MoveX = Movey = 0;
IsUp = true;
Invalidate ();
Break
Default
MLOG.I ("Receive other events!!") ");
Break
}
}
private void Finishdraw () {
for (Pointinfo temp:points) {
Temp.setselected (FALSE);
Temp.setnextid (Temp.getid ());
}
Lockstring.delete (0, Lockstring.length ());
IsUp = false;
Invalidate ();
}
private void Initpoints (pointinfo[] points) {
int len = points.length;
int seletedspacing = (Width-selectedbitmapdiameter * 3)/4;
Displays the upper-left coordinate of the picture when selected
int seletedx = seletedspacing;
int seletedy = height-width + seletedspacing;
Top left corner coordinates of picture when not selected
int defaultx = Seletedx + Selectedbitmapradius-defaultbitmapradius;
int defaulty = seletedy + Selectedbitmapradius-defaultbitmapradius;
for (int i = 0; i < len; i++) {
if (i = = 3 | | | i = = 6) {
Seletedx = seletedspacing;
Seletedy + + Selectedbitmapdiameter + seletedspacing;
Defaultx = Seletedx + Selectedbitmapradius
-Defaultbitmapradius;
Defaulty + + Selectedbitmapdiameter + seletedspacing;
}
Points[i] = new Pointinfo (i, Defaultx, Defaulty, Seletedx, seletedy);
Seletedx + + Selectedbitmapdiameter + seletedspacing;
Defaultx + + Selectedbitmapdiameter + seletedspacing;
}
}
private void Inittextpaint (Paint Paint) {
Textpaint.settextsize (30);
Textpaint.setantialias (TRUE);
Textpaint.settypeface (Typeface.monospace);
}
/**
* Initialization Line Brush
*
* @param paint
*/
private void Initlinepaint (Paint Paint) {
Paint.setcolor (Color.gray);
Paint.setstrokewidth (Defaultbitmap.getwidth ());
Paint.setantialias (TRUE);
Paint.setstrokecap (Cap.round);
}
/**
* Draw the completed part
*
* @param canvas
*/
private void Drawninepoint (Canvas Canvas, Paint Paint) {
Draw the user's line first.
for (Pointinfo pointinfo:points) {
if (Pointinfo.hasnextid ()) {
int n = pointinfo.getnextid ();
Canvas.drawline (Pointinfo.getcenterx (), Pointinfo.getcentery (),
Points[n].getcenterx (), Points[n].getcentery (), paint);
}
}
Draw a picture of each point
for (Pointinfo pointinfo:points) {
if (pointinfo.isselected ()) {
if (Pointinfo.hasnextid ()) {
Matrix.reset ();
int i = (int) math.abs (math.random () * 1000-640);
MLOG.I ("Random to the angle:" + i);
Matrix.setrotate (i);
Tempbitmap = Bitmap.createbitmap (indicatebitmap, 0, 0,
Indicatebitmap.getwidth (),
Indicatebitmap.getheight (), Matrix, false);
Canvas.drawbitmap (Tempbitmap, Pointinfo.getseletedx (),
Pointinfo.getseletedy (), paint);
} else {
Canvas.drawbitmap (Selectedbitmap, Pointinfo.getseletedx (),
Pointinfo.getseletedy (), paint);
}
}
Canvas.drawbitmap (Defaultbitmap, Pointinfo.getdefaultx (),
Pointinfo.getdefaulty (), paint);
}
}
Private class Pointinfo {
The ID of a point
private int id;
ID of the next point to which the current point is pointing, when there is no time for its own ID
private int NextID;
is selected
Private Boolean selected;
The top left corner of the picture at the default X coordinate
private int defaultx;
The top-left corner of the picture at the default y-coordinate
private int defaulty;
When selected, the top left corner of the picture is X coordinate
private int seletedx;
The y-coordinate of the top left corner of the picture when selected
private int seletedy;
public pointinfo (int id, int defaultx, int defaulty, int seletedx,
int seletedy) {
This.id = ID;
This.nextid = ID;
This.defaultx = Defaultx;
This.defaulty = defaulty;
This.seletedx = Seletedx;
This.seletedy = Seletedy;
}
public boolean isselected () {
return selected;
}
public Boolean isnotselected () {
return!isselected ();
}
public void SetSelected (Boolean selected) {
this.selected = selected;
}
public int getId () {
return ID;
}
public int Getdefaultx () {
return DEFAULTX;
}
public int getdefaulty () {
return defaulty;
}
public int Getseletedx () {
return seletedx;
}
public int Getseletedy () {
return seletedy;
}
public int Getcenterx () {
return Seletedx + Selectedbitmapradius;
}
public int getcentery () {
return seletedy + Selectedbitmapradius;
}
public Boolean Hasnextid () {
return NextID!= ID;
}
public int Getnextid () {
return NextID;
}
public void Setnextid (int nextid) {
This.nextid = NextID;
}
/**
* Coordinates (X,Y) is within the range of the current point
*
* @param x
* @param y
* @return
*/
public boolean isinmyplace (int x, int y) {
Boolean InX = x > Seletedx
&& x < (Seletedx + selectedbitmapdiameter);
Boolean iny = y > Seletedy
&& y < (seletedy + selectedbitmapdiameter);
if (InX && iny) {
return true;
} else {
return false;
}
}
}
}
