I am trying to draw multi circle with different color by using the
same Paint but change the paint color
I am using for loop to this in ondraw
However, it doesnt work.
can anyone tell me wut am i doing wrong?
public class theGamev2 extends Activity {
final static int POINTER = 0x102;
final static int REDRAW = 0x101;
Thread myRefreshThread = null;
static int pointerCurrentXCoord;
int pointerCurrentYCoord;
int pointerInitialXCoord;
int pointerInitialYCoord;
int screenWidth;
int screenHeight;
int lengthPerPart;
int pressTime;
int releaseTime;
Color color = new Color();
int tIME = 4;
/** Called when the activity is first created. */
Ball mBall = null;
Random r = new Random();
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
initialCondition();
this.mBall = new Ball(this);
setContentView(this.mBall);
this.myRefreshThread = new Thread(new RefreshCountDown());
this.myRefreshThread.start ();
}
private void initialCondition() {
// TODO Auto-generated method stub
DisplayMetrics dm = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(dm);
screenWidth = dm.widthPixels;
screenHeight = dm.heightPixels;
pointerInitialXCoord = screenWidth/8;
pointerInitialYCoord = screenHeight/8;
lengthPerPart = screenWidth/8;
pointerCurrentXCoord = pointerInitialXCoord;
pointerCurrentYCoord = pointerInitialYCoord;
}
class RefreshCountDown implements Runnable{
// @Override
public void run() {
while(!Thread.currentThread().isInterrupted()){
Message m = new Message();
m.what = theGamev2.REDRAW;
theGamev2.this.mBallUpdateHandler.sendMessage(m);
try {
Thread.sleep(50);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
}
}
}
Handler mBallUpdateHandler = new Handler(){
/** Gets called on every message that is received */
// @Override
public void handleMessage(Message msg) {
switch (msg.what) {
case theGamev2.POINTER:
mBall.updatePointerCoord();
mBall.invalidate();
break;
case theGamev2.REDRAW:
// We identified the Message by its What-ID
/*tIME = tIME + 1; */
mBall.updateBallAcc();
mBall.invalidate();
break;
}
super.handleMessage(msg);
}
};
public boolean onKeyUp(int keyCode, KeyEvent event)
{ Message m = new Message();
m.what = theGamev2.REDRAW;
switch(keyCode)
{ case KeyEvent.KEYCODE_DPAD_CENTER:
/* releaseTime = System.currentTimeMillis();
*/
/*releaseTime = tIME;
int pressedTime = (releaseTime - pressTime)
* 5; */
this.mBall.createNewCircle(pointerCurrentXCoord, 30,
tIME,color.rgb(r.nextInt(256), r.nextInt(256), r.nextInt(256)));
tIME = 0;
mBall.prepareCircleR = tIME;
tIME = 4;
break;
default:
return super.onKeyDown(keyCode, event);
}
this.mBallUpdateHandler.sendMessage(m);
return true;
}
public boolean onKeyDown(int keyCode, KeyEvent event) {
Message m = new Message();
m.what = theGamev2.POINTER;
switch(keyCode){
case KeyEvent.KEYCODE_DPAD_CENTER:
/*pressTime = System.currentTimeMillis();*/
/*pressTime = tIME; */
tIME = tIME + 2;
if (tIME > 40)
{
tIME = 40;
}
mBall.prepareCircleR = tIME;
break;
case KeyEvent.KEYCODE_DPAD_LEFT:
if(pointerCurrentXCoord == lengthPerPart)
{
pointerCurrentXCoord = pointerCurrentXCoord +
(lengthPerPart * 6);
}
else if(pointerCurrentXCoord == (lengthPerPart * 5))
{
pointerCurrentXCoord = pointerCurrentXCoord -
(lengthPerPart * 2);
}
else
{
pointerCurrentXCoord = pointerCurrentXCoord -
lengthPerPart;
}
break;
case KeyEvent.KEYCODE_DPAD_RIGHT:
if(pointerCurrentXCoord == (lengthPerPart * 3))
{
pointerCurrentXCoord = pointerCurrentXCoord +
(lengthPerPart * 2);
}
else if (pointerCurrentXCoord == (lengthPerPart *
7))
{
pointerCurrentXCoord = pointerCurrentXCoord -
(lengthPerPart * 6);
}
else
{
pointerCurrentXCoord = pointerCurrentXCoord +
lengthPerPart;
}
break;
default:
return super.onKeyDown(keyCode, event);
}
this.mBallUpdateHandler.sendMessage(m);
return true;
}
package game.balance2;
import java.util.Random;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.PorterDuffColorFilter;
import android.graphics.Path.Direction;
import android.view.View;
public class Ball extends View{
/* public Ball(Context context,float x,float y,int r) {
super(context);
// TODO Auto-generated constructor stub
Paint mPaint = new Paint();
mPaint.setColor(0xFF0000);
Canvas mCanvas = new Canvas();
mCanvas.drawCircle(x,y,r,mPaint);
}
*/
final int screenWidth = getWidth();
int x;
static int y;
int r;
int c;
int xAcc;
int yAcc;
int numberOfBalls = 0;
int[] circleCoordsX = new int[100];
int[] circleCoordsY = new int[100];
int[] circleRadiusR = new int[100];
int[] circleColor = new int[100];
int prepareCircleX;
int prepareCircleR;
public Ball(Context context)
{
super(context);
}
protected void onDraw(Canvas canvas){
super.onDraw(canvas);
Path circle = new Path();
Paint paint1 = new Paint();
Paint paint2 = new Paint();
Path pointer = new Path();
Path prepareCircle = new Path();
paint1.setColor(Color.RED);
paint2.setColor(Color.BLUE);
pointer.addCircle(theGamev2.pointerCurrentXCoord, 0, 20,
Direction.CW);
prepareCircle.addCircle(theGamev2.pointerCurrentXCoord,
30,
prepareCircleR, Direction.CW);
canvas.drawPath(pointer, paint1);
canvas.drawPath(prepareCircle, paint2);
for(int count = 0 ; count < numberOfBalls; count++)
{
x = circleCoordsX[count];
y = circleCoordsY[count];
r = circleRadiusR[count];
paint2.setColor(circleColor[count]);
circle.addCircle(x,y,r, Direction.CW);
canvas.drawPath(circle,paint2);
}
}
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