Android uses canvas to draw work schedules

There is a project to use the worksheet, choose to use canvas to draw, to achieve the selection of display work schedule, you can click Add and Cancel.

Custom Control FormView:

Package Com.sun.elderly.comm.widget;import Com.sun.elderly.comm.ui.interfaces.iformlistener;import Android.annotation.suppresslint;import Android.content.context;import Android.graphics.canvas;import Android.graphics.color;import Android.graphics.paint;import Android.util.attributeset;import Android.util.sparsearray;import android.view.motionevent;import android.view.view;/** * Draw form * * @author Jwzhangjie */ public class FormView extends View {private int firstx = 0;//starting point xprivate int firsty = 0;//starting point yprivate int secondx = 80 ; 2nd xprivate int secondy = 50; 2nd yprivate int widthnum = 8; column private int heightnum = 10; Line private int secondsidex = 150; The second column of the wide private int sidey = 50; Line height private int firstsidesx = 80;  The first column of the wide private int workcolor = 0xffadff2f;private int restcolor = 0xffad0f2f;private int selectcolor = 0xffad00ff;private string[] Rowtext = null;private string[] Coltext = null;private String noData = "1";p ublic void Setrowandcoltext (string[ ] Rowtext, string[]Coltext) {This.rowtext = Rowtext;this.coltext = Coltext;invalidate ();} Public sparsearray<string> list = new sparsearray<string> ();p rivate sparsearray<string> backList = New Sparsearray<string> (); Iformlistener myformlistener;public Iformlistener Getformlistener () {return Myformlistener;} public void Setformlistener (Iformlistener myformlistener) {this.myformlistener = Myformlistener;} Public FormView (Context context) {super (context);} Public FormView (context context, AttributeSet Attrs) {Super (context, attrs);} public void init (int width, int height) {secondsidex = (width-firstsidesx)/(widthNum-1);//Invalidate ();} public void setlist (sparsearray<string> list) {this.list = List;backlist.clear ();//reset} @Overrideprotected void OnDraw (canvas canvas) {super.ondraw (canvas); if (coltext! = NULL && rowtext! = null) {drawform (canvas);}} private void Drawform (canvas canvas) {Paint paint = new Paint ();p Aint.setantialias (True);p Aint.setcolor (Color.Black); paint.seTstyle (Paint.Style.STROKE);p aint.setstrokewidth (2);p Aint.setstyle (Paint.Style.FILL);p Aint.setcolor (color.black );p Aint.setstyle (Paint.Style.STROKE); int cellx = 0, celly = 0, cellbx = 0, Cellby = 0;for (int i = 0; i < widthnum; i++  {for (int j = 0; J < Heightnum, J + +) {if (i = = 0) {//) if the first column is drawn the width of the first column CELLX = Firstx + i * firstsidesx;celly = firsty + J * SIDEY;CELLBX = Firstx + (i + 1) * Firstsidesx;cellby = Firsty + (j + 1) * Sidey;} else {cellx = Secondx + (i-1) * secondsidex;celly = Secondy + (j-1) * SIDEY;CELLBX = secondx + i * Secondsidex;cellby = Secondy + J * Sidey;} Canvas.drawrect (CELLX, celly, CELLBX, Cellby, paint); int cellsnum = i + J * widthnum;if (J = = 0) {drawcelltext (canvas, cel LX, celly, CELLBX, Cellby,rowtext[i]);} if (cellsnum% widthnum! = 0) {if (!nodata.equals (List.get (Cellsnum, NoData))) {if (List.get (Cellsnum). Equals ("0")) {Draw CellColor (Canvas, Cellx, celly, CELLBX, Cellby,workcolor);} else {drawcellcolor (canvas, Cellx, celly, CELLBX, Cellby,restcolor);}} ELSE if (!nodata.equals (Backlist.get (Cellsnum, NoData))) {Drawcellcolor (canvas, Cellx, celly, CELLBX, Cellby, Selectcolor);} else {drawcellcolor (canvas, Cellx, celly, CELLBX, CELLBY,0XFFF);}} else {//Draw first column drawcelltext (canvas, Cellx, celly, CELLBX, Cellby,coltext[cellsnum/widthnum]);}}} Draw the text in a cell private void drawcelltext (canvas canvas, int cellx, int celly, int cellbx,int Cellby, String text) {Paint pain t = new Paint ();p aint.setflags (Paint.anti_alias_flag);p Aint.setcolor (color.blue); int textSize = (cellby-celly)/5 * 2;p Aint.settextsize (textSize); int textx = Cellx + (CELLBX-CELLX)/10;int texty = Cellby-(cellby-celly)/3;canvas.draw Text (text, TEXTX, texty, paint);}  Draw a color in a cell private void drawcellcolor (canvas canvas, int cellx, int celly, int cellbx,int cellby, int color) {Paint paint = new paint ();//Paint the preparation of the selected color border and the color Paint.setcolor (colour);p aint.setstyle (Paint.Style.FILL); Canvas.drawrect (Cellx + 1, Celly + 1, cellBX-1, cellBY-1, paint);} @SuppressLint ("clickableviewaccessIbility ") @Overridepublic boolean ontouchevent (Motionevent event) {Float Touchx = event.getx (); Float touchy = event.gety ( int antion = Event.getaction (); if (antion = = Motionevent.action_down) {Testtouchcolorpanel (Touchx, TouchY);} Return Super.ontouchevent (event);}  Detects the number of blocks that the click event resides in public boolean testtouchcolorpanel (float x, float y) {if (x > Secondx && y > secondy&& X < FIRSTX + Firstsidesx + secondsidex * widthnum&& y < firsty + Sidey * heightnum) {int ty = (int) (y-f irsty)/sidey); int tx;if (X-firstx-firstsidesx > 0) {tx = (int) ((x-firstx-firstsidesx)/Secondsidex + 1);} E LSE {tx = 0;} int index = ty * widthnum + tx;if (nodata.equals (List.get (index, nodata)) {if (!nodata.equals (index, NoData) ) {Backlist.remove (index); myformlistener.shownum (index, 1);} else {backlist.put (index, "2"); Myformlistener.shownum (index, 2);} Invalidate ();} else {myformlistener.shownum (index, 0);} return true;} return false;}}

Main interface drawformactivity:

Package Com.sun.elderly.test;import Com.sun.elderly.r;import Com.sun.elderly.comm.ui.interfaces.IFormListener; Import Com.sun.elderly.comm.widget.formview;import Android.os.bundle;import Android.support.v4.app.fragmentactivity;import Android.util.sparsearray;import Android.view.ViewTreeObserver; Import Android.widget.toast;public class Drawformactivity extends Fragmentactivity implements Iformlistener {private FormView myformview;private sparsearray<string> list = new sparsearray<string> ();p rivate string[] RowText = {"", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"};p rivate string[] Coltext = {"", "9:00", "10:00", "11:00", "12:00", "13:00", "15:00", "16:00", "17:00"}, @Overrideprotected void OnCreate (Bundle savedinstancestate) { Super.oncreate (savedinstancestate); Settitle ("Worksheet"); Setcontentview (r.layout.test_drawform); MyFormView = (FormView ) Findviewbyid (R.id.formid); list.put (0);//Key: Location, value:0--has booked a break time 2--pre-reserve reservation occupied List.put (1); List.put (19 , "1"); LisT.put ("0"), List.put ("0"), List.put ("1"), myformview.setlist (list); Myformview.setformlistener (this); Viewtreeobserver vto = Myformview.getviewtreeobserver (); Vto.addonpredrawlistener (new Viewtreeobserver.onpredrawlistener () {public Boolean onpredraw () {myformview.getviewtreeobserver (). Removeonpredrawlistener (this); int height = myformview.getmeasuredheight (); int width = Myformview.getmeasuredwidth (); Myformview.init (width, height); Myformview.setrowandcoltext (Rowtext, Coltext); return true;}); @Overridepublic void shownum (int num, int status) {switch (status) {case 0:showinfo (num + "Current time is already occupied") Break;case 1:showin Fo ("deselect:" + num); break;case 2:showinfo ("Select Working time:" + num); break;} private void Showinfo (String text) {Toast.maketext (Getapplicationcontext (), text, Toast.length_short). Show ();}}

Layout test_drawform:

<?xml version= "1.0" encoding= "Utf-8"? ><linearlayout xmlns:android= "http://schemas.android.com/apk/res/ Android "    android:layout_width=" match_parent "    android:layout_height=" match_parent "    android:o rientation= "vertical" >        <com.sun.elderly.comm.widget.formview        android:id= "@+id/formid"        Android:layout_width= "Match_parent"        android:layout_height= "wrap_content" android:layout_margin= "10dip                " /></linearlayout>

Display effect:

Android uses canvas to draw work schedules