98 lines
3.3 KiB
Kotlin
98 lines
3.3 KiB
Kotlin
|
package abdulla.com.hashtagit
|
||
|
|
|
||
|
|
import android.animation.ObjectAnimator
|
||
|
|
import android.animation.ValueAnimator
|
||
|
|
import android.app.Activity
|
||
|
|
import android.content.pm.ActivityInfo
|
||
|
|
import android.os.Bundle
|
||
|
|
import android.util.DisplayMetrics
|
||
|
|
import android.util.Log
|
||
|
|
import android.view.LayoutInflater
|
||
|
|
import android.view.View
|
||
|
|
import android.view.ViewGroup
|
||
|
|
import android.view.Window
|
||
|
|
import android.widget.TextView
|
||
|
|
import androidx.fragment.app.Fragment
|
||
|
|
import kotlinx.android.synthetic.main.submission_fragment.*
|
||
|
|
|
||
|
|
|
||
|
|
class SubmissionFragment : Fragment() {
|
||
|
|
|
||
|
|
// going from portrait to landscape will cause things to be called twice
|
||
|
|
|
||
|
|
override fun onCreate(savedInstanceState: Bundle?) {
|
||
|
|
super.onCreate(savedInstanceState)
|
||
|
|
}
|
||
|
|
|
||
|
|
// so need to make check with orientation
|
||
|
|
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
|
||
|
|
return inflater.inflate(R.layout.submission_fragment, container, false)
|
||
|
|
}
|
||
|
|
|
||
|
|
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
|
||
|
|
super.onViewCreated(view, savedInstanceState)
|
||
|
|
|
||
|
|
|
||
|
|
if (activity?.requestedOrientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE) {
|
||
|
|
arguments?.apply {
|
||
|
|
textView.text = SubmissionFragmentArgs.fromBundle(this).writtenText
|
||
|
|
textView.measure(0,0)
|
||
|
|
|
||
|
|
putIntoLeanBackMode()
|
||
|
|
|
||
|
|
|
||
|
|
val difference = getTextViewWidthDifferenceFromParent(textView, activity)
|
||
|
|
Log.e("DIFFERENCE", "" + difference);
|
||
|
|
|
||
|
|
when (Bounds.toBounds(difference)) {
|
||
|
|
Bounds.OUT_OF_BOUNDS -> {
|
||
|
|
val abs = Math.abs(difference)
|
||
|
|
|
||
|
|
val animator = ObjectAnimator.ofInt(horizontalScroll, "scrollX", abs)
|
||
|
|
|
||
|
|
// how big the word will easy determines length of animation
|
||
|
|
// for readability
|
||
|
|
animator.duration = (10.0 * abs).toLong()
|
||
|
|
|
||
|
|
animator.repeatMode = ValueAnimator.REVERSE
|
||
|
|
animator.repeatCount = ValueAnimator.INFINITE
|
||
|
|
animator.start()
|
||
|
|
}
|
||
|
|
Bounds.IN_BOUNDS -> {
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
activity?.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// https://developer.android.com/training/system-ui/immersive#leanback
|
||
|
|
private fun putIntoLeanBackMode() {
|
||
|
|
activity?.window?.decorView?.systemUiVisibility = View.SYSTEM_UI_FLAG_LAYOUT_STABLE or View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN or View.SYSTEM_UI_FLAG_HIDE_NAVIGATION or View.SYSTEM_UI_FLAG_FULLSCREEN
|
||
|
|
}
|
||
|
|
|
||
|
|
private fun getTextViewWidthDifferenceFromParent(tv: TextView, act: Activity?): Int {
|
||
|
|
val displayMetrics = DisplayMetrics()
|
||
|
|
act?.windowManager?.defaultDisplay?.getMetrics(displayMetrics)
|
||
|
|
val width = displayMetrics.widthPixels
|
||
|
|
return width - tv.measuredWidth
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
enum class Bounds {
|
||
|
|
IN_BOUNDS,
|
||
|
|
OUT_OF_BOUNDS;
|
||
|
|
|
||
|
|
companion object {
|
||
|
|
fun toBounds(int: Int): Bounds {
|
||
|
|
if (int < 0) {
|
||
|
|
return Bounds.OUT_OF_BOUNDS
|
||
|
|
}
|
||
|
|
return Bounds.IN_BOUNDS
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|