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Original file line number Diff line number Diff line change
Expand Up @@ -19,8 +19,6 @@ package com.android.example.cameraxbasic.fragments
import android.annotation.SuppressLint
import android.content.*
import android.content.res.Configuration
import android.graphics.Color
import android.graphics.drawable.ColorDrawable
import android.hardware.display.DisplayManager
import android.os.Build
import android.os.Bundle
Expand Down Expand Up @@ -51,6 +49,7 @@ import com.android.example.cameraxbasic.utils.MediaStoreUtils
import com.android.example.cameraxbasic.utils.simulateClick
import com.bumptech.glide.Glide
import com.bumptech.glide.request.RequestOptions
import kotlinx.coroutines.delay
import kotlinx.coroutines.launch
import java.nio.ByteBuffer
import java.text.SimpleDateFormat
Expand Down Expand Up @@ -517,15 +516,17 @@ class CameraFragment : Fragment() {
}
})

// We can only change the foreground Drawable using API level 23+ API
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {

// Display flash animation to indicate that photo was captured
fragmentCameraBinding.root.postDelayed({
fragmentCameraBinding.root.foreground = ColorDrawable(Color.WHITE)
fragmentCameraBinding.root.postDelayed(
{ fragmentCameraBinding.root.foreground = null }, ANIMATION_FAST_MILLIS)
}, ANIMATION_SLOW_MILLIS)
// Display flash animation to indicate that photo was captured
viewLifecycleOwner.lifecycleScope.launch {
delay(ANIMATION_SLOW_MILLIS)
fragmentCameraBinding.whiteOverlay.apply {
alpha = 1f
visibility = View.VISIBLE
animate()
.alpha(0f)
.setDuration(ANIMATION_FAST_MILLIS)
.withEndAction { visibility = View.GONE }
}
}
}
}
Expand Down
8 changes: 8 additions & 0 deletions CameraXBasic/app/src/main/res/layout/fragment_camera.xml
Original file line number Diff line number Diff line change
Expand Up @@ -26,4 +26,12 @@
android:layout_width="match_parent"
android:layout_height="match_parent" />

<View
android:id="@+id/white_overlay"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/white"
android:alpha="0"
android:visibility="gone"/>

</androidx.constraintlayout.widget.ConstraintLayout>