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將滑動控制加上播放/暫停

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This commit is contained in:
Raymond Yang 2023-02-07 17:01:07 +08:00
parent 88954a6599
commit ced178513b
2 changed files with 36 additions and 2 deletions
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5
app/src/main/java/com/ray650128/gstreamer_demo_app/Constants.kt Normal file
View File

@ -0,0 +1,5 @@
package com.ray650128.gstreamer_demo_app
object Constants {
const val CONF_DELAY_BASE_MILLIS = 300L
}

33
app/src/main/java/com/ray650128/gstreamer_demo_app/ui/mainScreen/MainActivity.kt
View File

@ -8,6 +8,7 @@ import android.view.WindowManager
import androidx.activity.viewModels
import androidx.appcompat.app.AppCompatActivity
import androidx.viewpager2.widget.ViewPager2
import com.ray650128.gstreamer_demo_app.Constants
import com.ray650128.gstreamer_demo_app.R
import com.ray650128.gstreamer_demo_app.databinding.ActivityMainBinding
import com.ray650128.gstreamer_demo_app.model.Device
@ -55,6 +56,34 @@ class MainActivity : AppCompatActivity() {
offscreenPageLimit = 1
setPageTransformer(null)
registerOnPageChangeCallback(object: ViewPager2.OnPageChangeCallback() {
private var oldPage = 0
override fun onPageScrollStateChanged(state: Int) {
super.onPageScrollStateChanged(state)
if (state == ViewPager2.SCROLL_STATE_DRAGGING) {
oldPage = currentPage
splitVideoViewAdapter.stop(currentPage)
}
if (state == ViewPager2.SCROLL_STATE_IDLE && currentPage == oldPage) {
splitVideoViewAdapter.play(currentPage)
}
Log.d("Split", "onPageScrollStateChanged: ${
when(state) {
ViewPager2.SCROLL_STATE_IDLE -> "SCROLL_STATE_IDLE"
ViewPager2.SCROLL_STATE_DRAGGING -> "SCROLL_STATE_DRAGGING"
ViewPager2.SCROLL_STATE_SETTLING -> "SCROLL_STATE_SETTLING"
else -> ""
}
}")
Log.d("Split", "oldPage: $oldPage, currentPage: $currentPage")
}
override fun onPageScrolled(
position: Int,
positionOffset: Float,
positionOffsetPixels: Int
) {
super.onPageScrolled(position, positionOffset, positionOffsetPixels)
Log.d("Split", "onPageScrolled: $currentPage")
}
override fun onPageSelected(position: Int) {
super.onPageSelected(position)
currentPage = position
@ -102,7 +131,7 @@ class MainActivity : AppCompatActivity() {
for (i in 0 until splitVideoViewAdapter.itemCount) {
splitVideoViewAdapter.stop(i)
}
delay(oldSplitMode * 500L)
delay(oldSplitMode * Constants.CONF_DELAY_BASE_MILLIS)
oldSplitMode = splitMode
splitVideoViewAdapter.clear()
// 如果群組內沒有裝置，則顯示底圖
@ -119,7 +148,7 @@ class MainActivity : AppCompatActivity() {
splitVideoViewAdapter.add(i, splitFragment)
}
currentPage = 0
binding.viewPager.currentItem = 0
//binding.viewPager.currentItem = 0
}
}