Created
November 1, 2025 21:31
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Logging processing PFragment for debugging purposes
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| import android.content.res.Configuration | |
| import android.graphics.Point | |
| import android.os.Bundle | |
| import android.util.DisplayMetrics | |
| import android.view.LayoutInflater | |
| import android.view.View | |
| import android.view.ViewGroup | |
| import androidx.annotation.LayoutRes | |
| import androidx.fragment.app.FragmentActivity | |
| import processing.android.CompatUtils | |
| import processing.android.PFragment | |
| import processing.core.PApplet | |
| class LoggingPFragment : PFragment { | |
| private var metrics: DisplayMetrics? = null | |
| private var size: Point? = null | |
| private var sketch: PApplet? = null | |
| var log: ((String) -> Unit) -> Unit = {} | |
| @LayoutRes | |
| private var layout = -1 | |
| constructor() | |
| constructor(sketch: PApplet) { | |
| this.setSketch(sketch) | |
| } | |
| override fun initDimensions() { | |
| this.metrics = DisplayMetrics() | |
| this.size = Point() | |
| val wm = requireActivity().windowManager | |
| val display = wm.getDefaultDisplay() | |
| CompatUtils.getDisplayParams(display, this.metrics, this.size) | |
| } | |
| override fun getDisplayWidth(): Int { | |
| return this.size!!.x | |
| } | |
| override fun getDisplayHeight(): Int { | |
| return this.size!!.y | |
| } | |
| override fun getDisplayDensity(): Float { | |
| return this.metrics!!.density | |
| } | |
| override fun setSketch(sketch: PApplet) { | |
| this.sketch = sketch | |
| if (this.layout != -1) { | |
| sketch.parentLayout = this.layout | |
| } | |
| } | |
| override fun getSketch(): PApplet? { | |
| return this.sketch | |
| } | |
| override fun setView(view: View, activity: FragmentActivity) { | |
| log { "setView sketch=$sketch" } | |
| val manager = activity.supportFragmentManager | |
| val transaction = manager.beginTransaction() | |
| transaction.add(view.id, this) | |
| transaction.commit() | |
| } | |
| override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? { | |
| log { "onCreateView sketch=$sketch" } | |
| if (this.sketch != null) { | |
| this.sketch!!.initSurface(inflater, container, savedInstanceState, this, null) | |
| this.sketch!!.onCreate(savedInstanceState) | |
| return this.sketch!!.getSurface().rootView | |
| } | |
| else { | |
| return null | |
| } | |
| } | |
| override fun onStart() { | |
| log { "onStart sketch=$sketch" } | |
| super.onStart() | |
| if (this.sketch != null) { | |
| this.sketch!!.onStart() | |
| } | |
| } | |
| override fun onResume() { | |
| log { "onResume sketch=$sketch" } | |
| super.onResume() | |
| if (this.sketch != null) { | |
| this.sketch!!.onResume() | |
| } | |
| } | |
| override fun onPause() { | |
| log { "onPause sketch=$sketch" } | |
| super.onPause() | |
| if (this.sketch != null) { | |
| this.sketch!!.onPause() | |
| } | |
| } | |
| override fun onStop() { | |
| log { "onStop sketch=$sketch" } | |
| super.onStop() | |
| if (this.sketch != null) { | |
| this.sketch!!.onStop() | |
| } | |
| } | |
| override fun onDestroy() { | |
| log { "onDestroy sketch=$sketch" } | |
| super.onDestroy() | |
| if (this.sketch != null) { | |
| this.sketch!!.onDestroy() | |
| } | |
| } | |
| override fun onConfigurationChanged(newConfig: Configuration) { | |
| super.onConfigurationChanged(newConfig) | |
| } | |
| override fun setOrientation(which: Int) { | |
| log { "setOrientation $which" } | |
| if (which == 1) { | |
| this.requireActivity().setRequestedOrientation(1) | |
| } | |
| else if (which == 2) { | |
| this.requireActivity().setRequestedOrientation(0) | |
| } | |
| } | |
| override fun canDraw(): Boolean { | |
| return this.sketch != null && this.sketch!!.isLooping | |
| } | |
| } |
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