fix a glitch preventing capturing multiple images in a row

app/src/main/kotlin/com/simplemobiletools/camera/activities/MainActivity.kt

@@ -555,6 +555,7 @@ class MainActivity : SimpleActivity(), PhotoProcessor.MediaSavedListener {
     fun drawFocusCircle(x: Float, y: Float) = mFocusCircleView.drawFocusCircle(x, y)
 
     override fun mediaSaved(path: String) {
+        mPreview?.imageSaved()
         rescanPaths(arrayListOf(path)) {
             setupPreviewImage(true)
             Intent(BROADCAST_REFRESH_MEDIA).apply {

app/src/main/kotlin/com/simplemobiletools/camera/interfaces/MyPreview.kt

@@ -36,4 +36,6 @@ interface MyPreview {
     fun deviceOrientationChanged()
 
     fun resumeCamera(): Boolean
+
+    fun imageSaved()
 }

app/src/main/kotlin/com/simplemobiletools/camera/views/PreviewCameraOne.kt

@@ -155,6 +155,8 @@ class PreviewCameraOne : ViewGroup, SurfaceHolder.Callback, MyPreview {
         return true
     }
 
+    override fun imageSaved() {}
+
     private fun initCamera(): Boolean {
         if (mCamera == null)
             return false

app/src/main/kotlin/com/simplemobiletools/camera/views/PreviewCameraTwo.kt

@@ -591,14 +591,7 @@ class PreviewCameraTwo : ViewGroup, TextureView.SurfaceTextureListener, MyPrevie
             }
 
             val captureCallback = object : CameraCaptureSession.CaptureCallback() {
-                override fun onCaptureCompleted(session: CameraCaptureSession, request: CaptureRequest, result: TotalCaptureResult) {
-                    mActivity.toggleBottomButtons(false)
-                    if (shouldLockFocus()) {
-                        unlockFocus()
-                    } else {
-                        resetPreviewSession()
-                    }
-                }
+                override fun onCaptureCompleted(session: CameraCaptureSession, request: CaptureRequest, result: TotalCaptureResult) {}
 
                 override fun onCaptureFailed(session: CameraCaptureSession?, request: CaptureRequest?, failure: CaptureFailure?) {
                     super.onCaptureFailed(session, request, failure)
@@ -753,6 +746,10 @@ class PreviewCameraTwo : ViewGroup, TextureView.SurfaceTextureListener, MyPrevie
             val texture = mTextureView.surfaceTexture!!
             texture.setDefaultBufferSize(mPreviewSize!!.width, mPreviewSize!!.height)
 
+            val currentResolution = getCurrentResolution()
+            mImageReader = ImageReader.newInstance(currentResolution.width, currentResolution.height, ImageFormat.JPEG, 2)
+            mImageReader!!.setOnImageAvailableListener(imageAvailableListener, mBackgroundHandler)
+
             val surface = Surface(texture)
             mCameraDevice!!.createCaptureSession(Arrays.asList(surface, mImageReader!!.surface), stateCallback, null)
         } catch (e: Exception) {
@@ -1019,5 +1016,15 @@ class PreviewCameraTwo : ViewGroup, TextureView.SurfaceTextureListener, MyPrevie
 
     override fun resumeCamera() = true
 
+    override fun imageSaved() {
+        mImageReader?.close()
+        mActivity.toggleBottomButtons(false)
+        if (shouldLockFocus()) {
+            unlockFocus()
+        } else {
+            resetPreviewSession()
+        }
+    }
+
     override fun onLayout(changed: Boolean, l: Int, t: Int, r: Int, b: Int) {}
 }