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POLimit to number of touches on Android?
 

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  1. POLimit to number of touches on Android?
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    <p>I have a small test app on Android that is meant to test tracking multitouch input, but I am only ever getting two touches at the same time on my Evo. Does anyone know if this is a limitation to Android or the hardware?</p> <p>By the way, here's my test class so you can try it out yourself.</p> <pre><code>import java.util.HashMap; import android.content.Context; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Paint.Style; import android.view.MotionEvent; import android.view.View; public class PressureView extends View { private HashMap&lt;Integer, Spot&gt; mSpots = new HashMap&lt;Integer, Spot&gt;(); private final int[] mColors; private final Paint mPaint; public PressureView(Context context) { super(context); mPaint = new Paint(); mPaint.setStyle(Style.FILL); mColors = new int[]{Color.RED, Color.GREEN, Color.BLUE, Color.YELLOW, Color.MAGENTA}; } @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); canvas.drawColor(Color.WHITE); for(int id : mSpots.keySet()) { Spot spot = mSpots.get(id); mPaint.setColor(spot.Color); canvas.drawCircle(spot.X, spot.Y, spot.Pressure*500, mPaint); } } @Override public boolean onTouchEvent(MotionEvent event) { System.out.println("************************** " + event.getPointerCount() + " Pointers"); for(int i = 0; i &lt; event.getPointerCount(); i++) { int id = event.getPointerId(i); Spot spot = null; if(mSpots.containsKey(id)) { spot = mSpots.get(id); } else { spot = new Spot(); spot.Color = mColors[mSpots.size()]; } if(event.getAction() == MotionEvent.ACTION_UP) spot.Pressure = 0; else spot.Pressure = event.getPressure(id); spot.X = event.getX(id); spot.Y = event.getY(id); mSpots.put(id, spot); } invalidate(); return true; } private class Spot { public float X, Y, Pressure; public int Color; } } </code></pre>
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    1. USCaseyB
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    1. COI'm pretty sure it's an Android limitation... it didn't even have 2 touch support until semi-recently.
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      1. USMaximus
 

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