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Buffer pointercount

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In order to find out how many presses there were. Currently displayed 
using a Toast in HomeActivity.
This commit is contained in:
Finn M Glas 2020-08-20 21:33:41 +02:00
parent 7ecca96ad2
commit a38c683cd2
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GPG key ID: 902A30146014DFBF
1 changed files with 17 additions and 0 deletions
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17
app/src/main/java/com/finnmglas/launcher/HomeActivity.kt
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@ -7,6 +7,7 @@ import android.os.AsyncTask
import android.os.Bundle
import android.provider.MediaStore
import android.view.*
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import androidx.core.view.GestureDetectorCompat
import com.finnmglas.launcher.tutorial.TutorialActivity
@ -32,6 +33,9 @@ import com.finnmglas.launcher.BuildConfig.VERSION_NAME
class HomeActivity: UIObject, AppCompatActivity(),
GestureDetector.OnGestureListener, GestureDetector.OnDoubleTapListener {
private var bufferedPointerCount = 1 // how many fingers on screen
private var pointerBufferTimer = Timer()
private lateinit var mDetector: GestureDetectorCompat
// timers
@ -141,6 +145,9 @@ class HomeActivity: UIObject, AppCompatActivity(),
override fun onFling(e1: MotionEvent, e2: MotionEvent, dX: Float, dY: Float): Boolean {
Toast.makeText(this, bufferedPointerCount.toString(), Toast.LENGTH_SHORT)
.show()
val width = displayMetrics.widthPixels
val height = displayMetrics.heightPixels
@ -202,6 +209,16 @@ class HomeActivity: UIObject, AppCompatActivity(),
}
override fun onTouchEvent(event: MotionEvent): Boolean {
// Buffer / Debounce the pointer count
if (event.pointerCount > bufferedPointerCount) {
bufferedPointerCount = event.pointerCount
pointerBufferTimer = fixedRateTimer("pointerBufferTimer", true, 200, 1000) {
bufferedPointerCount = 1
this.cancel() // a non-recurring timer
}
}
return if (mDetector.onTouchEvent(event)) { false } else { super.onTouchEvent(event) }
}