import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
-import android.graphics.Rect;
import android.graphics.Paint.FontMetricsInt;
import android.os.Bundle;
import android.util.Log;
private final FontMetricsInt mTextMetrics = new FontMetricsInt();
private int mHeaderBottom;
private boolean mCurDown;
+ private int mCurNumPointers;
+ private int mMaxNumPointers;
private final ArrayList<PointerState> mPointers
= new ArrayList<PointerState>();
mPathPaint.setARGB(255, 64, 128, 255);
mPaint.setStyle(Paint.Style.STROKE);
mPaint.setStrokeWidth(1);
+
+ PointerState ps = new PointerState();
+ ps.mVelocity = VelocityTracker.obtain();
+ mPointers.add(ps);
}
@Override
@Override
protected void onDraw(Canvas canvas) {
- int w = getWidth()/5;
- int base = -mTextMetrics.ascent+1;
- int bottom = mHeaderBottom;
+ final int w = getWidth();
+ final int itemW = w/7;
+ final int base = -mTextMetrics.ascent+1;
+ final int bottom = mHeaderBottom;
final int NP = mPointers.size();
if (NP > 0) {
final PointerState ps = mPointers.get(0);
- canvas.drawRect(0, 0, w-1, bottom, mTextBackgroundPaint);
- canvas.drawText("X: " + ps.mCurX, 1, base, mTextPaint);
- canvas.drawRect(w, 0, (w * 2) - 1, bottom, mTextBackgroundPaint);
- canvas.drawText("Y: " + ps.mCurY, 1 + w, base, mTextPaint);
- canvas.drawRect(w * 2, 0, (w * 3) - 1, bottom, mTextBackgroundPaint);
- canvas.drawRect(w * 2, 0, (w * 2) + (ps.mCurPressure * w) - 1, bottom, mTextLevelPaint);
- canvas.drawText("Pres: " + ps.mCurPressure, 1 + w * 2, base, mTextPaint);
- canvas.drawRect(w * 3, 0, (w * 4) - 1, bottom, mTextBackgroundPaint);
- canvas.drawRect(w * 3, 0, (w * 3) + (ps.mCurSize * w) - 1, bottom, mTextLevelPaint);
- canvas.drawText("Size: " + ps.mCurSize, 1 + w * 3, base, mTextPaint);
- canvas.drawRect(w * 4, 0, getWidth(), bottom, mTextBackgroundPaint);
- int velocity = ps.mVelocity == null ? 0 : (int) (ps.mVelocity.getYVelocity() * 1000);
- canvas.drawText("yVel: " + velocity, 1 + w * 4, base, mTextPaint);
+ canvas.drawRect(0, 0, itemW-1, bottom,mTextBackgroundPaint);
+ canvas.drawText("P: " + mCurNumPointers + " / " + mMaxNumPointers,
+ 1, base, mTextPaint);
+
+ canvas.drawRect(itemW, 0, (itemW * 2) - 1, bottom, mTextBackgroundPaint);
+ canvas.drawText("X: " + ps.mCurX, 1 + itemW, base, mTextPaint);
+
+ canvas.drawRect(itemW * 2, 0, (itemW * 3) - 1, bottom, mTextBackgroundPaint);
+ canvas.drawText("Y: " + ps.mCurY, 1 + itemW * 2, base, mTextPaint);
+
+ canvas.drawRect(itemW * 3, 0, (itemW * 4) - 1, bottom, mTextBackgroundPaint);
+ int velocity = ps.mVelocity == null ? 0 : (int) (ps.mVelocity.getXVelocity() * 1000);
+ canvas.drawText("Xv: " + velocity, 1 + itemW * 3, base, mTextPaint);
+
+ canvas.drawRect(itemW * 4, 0, (itemW * 5) - 1, bottom, mTextBackgroundPaint);
+ velocity = ps.mVelocity == null ? 0 : (int) (ps.mVelocity.getYVelocity() * 1000);
+ canvas.drawText("Yv: " + velocity, 1 + itemW * 4, base, mTextPaint);
+
+ canvas.drawRect(itemW * 5, 0, (itemW * 6) - 1, bottom, mTextBackgroundPaint);
+ canvas.drawRect(itemW * 5, 0, (itemW * 5) + (ps.mCurPressure * itemW) - 1,
+ bottom, mTextLevelPaint);
+ canvas.drawText("Prs: " + String.format("%.2f", ps.mCurPressure), 1 + itemW * 5,
+ base, mTextPaint);
+
+ canvas.drawRect(itemW * 6, 0, w, bottom, mTextBackgroundPaint);
+ canvas.drawRect(itemW * 6, 0, (itemW * 6) + (ps.mCurSize * itemW) - 1,
+ bottom, mTextLevelPaint);
+ canvas.drawText("Size: " + String.format("%.2f", ps.mCurSize), 1 + itemW * 6,
+ base, mTextPaint);
}
for (int p=0; p<NP; p++) {
// mRect.setEmpty();
//}
if (action == MotionEvent.ACTION_DOWN) {
- if (NP == 0) {
- PointerState ps = new PointerState();
- ps.mVelocity = VelocityTracker.obtain();
- mPointers.add(ps);
- NP++;
- }
for (int p=0; p<NP; p++) {
final PointerState ps = mPointers.get(p);
ps.mXs.clear();
mCurDown = action != MotionEvent.ACTION_UP
&& action != MotionEvent.ACTION_CANCEL;
+ mCurNumPointers = mCurDown ? NI : 0;
+ if (mMaxNumPointers < mCurNumPointers) {
+ mMaxNumPointers = mCurNumPointers;
+ }
for (int i=0; i<NI; i++) {
final PointerState ps = mPointers.get(event.getPointerId(i));