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fix toggling between flash on/off

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This commit is contained in:
tibbi 2018-05-29 19:56:45 +02:00
parent 4aed627b7c
commit 3fd08d3940
3 changed files with 35 additions and 16 deletions
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1
app/src/main/kotlin/com/simplemobiletools/camera/activities/MainActivity.kt
View File

@ -212,6 +212,7 @@ class MainActivity : SimpleActivity(), PreviewListener, PhotoProcessor.MediaSave
val initialFlashlightState = if (config.turnFlashOffAtStartup) FLASH_OFF else config.flashlightState
mPreview!!.setFlashlightState(initialFlashlightState)
updateFlashlightState(initialFlashlightState)
}
private fun initButtons() {

11
app/src/main/kotlin/com/simplemobiletools/camera/helpers/Constants.kt
View File

@ -29,8 +29,9 @@ const val FLASH_ON = 1
const val FLASH_AUTO = 2
// camera states
const val STATE_PREVIEW = 0
const val STATE_PICTURE_TAKEN = 1
const val STATE_WAITING_LOCK = 2
const val STATE_WAITING_PRECAPTURE = 3
const val STATE_WAITING_NON_PRECAPTURE = 4
const val STATE_INIT = 0
const val STATE_PREVIEW = 1
const val STATE_PICTURE_TAKEN = 2
const val STATE_WAITING_LOCK = 3
const val STATE_WAITING_PRECAPTURE = 4
const val STATE_WAITING_NON_PRECAPTURE = 5

39
app/src/main/kotlin/com/simplemobiletools/camera/views/PreviewCameraTwo.kt
View File

@ -41,8 +41,10 @@ class PreviewCameraTwo : ViewGroup, TextureView.SurfaceTextureListener, MyPrevie
private var mSensorOrientation = 0
private var mIsFlashSupported = true
private var mIsImageCaptureIntent = false
private var mIsInVideoMode = false
private var mCameraId = ""
private var mCameraState = STATE_PREVIEW
private var mCameraState = STATE_INIT
private var mFlashlightState = FLASH_OFF
private var mBackgroundThread: HandlerThread? = null
private var mBackgroundHandler: Handler? = null
@ -74,6 +76,10 @@ class PreviewCameraTwo : ViewGroup, TextureView.SurfaceTextureListener, MyPrevie
override fun onPaused() {
stopBackgroundThread()
mCaptureSession?.close()
mCameraDevice?.close()
mCameraDevice = null
mCaptureSession = null
}
override fun onSurfaceTextureSizeChanged(surface: SurfaceTexture?, width: Int, height: Int) {
@ -276,9 +282,10 @@ class PreviewCameraTwo : ViewGroup, TextureView.SurfaceTextureListener, MyPrevie
mCaptureSession = cameraCaptureSession
try {
mPreviewRequestBuilder!!.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE)
setAutoFlash(mPreviewRequestBuilder!!)
setupPreviewProperties(mPreviewRequestBuilder!!)
mPreviewRequest = mPreviewRequestBuilder!!.build()
mCaptureSession!!.setRepeatingRequest(mPreviewRequest, mCaptureCallback, mBackgroundHandler)
mCameraState = STATE_PREVIEW
} catch (e: CameraAccessException) {
}
}
@ -291,10 +298,9 @@ class PreviewCameraTwo : ViewGroup, TextureView.SurfaceTextureListener, MyPrevie
}
}
private fun setAutoFlash(requestBuilder: CaptureRequest.Builder) {
if (mIsFlashSupported) {
requestBuilder.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_ON_AUTO_FLASH)
}
private fun setupPreviewProperties(requestBuilder: CaptureRequest.Builder) {
val flashMode = if (mFlashlightState == FLASH_ON) CameraMetadata.FLASH_MODE_TORCH else CameraMetadata.FLASH_MODE_OFF
requestBuilder.set(CaptureRequest.FLASH_MODE, flashMode)
}
private val mCaptureCallback = object : CameraCaptureSession.CaptureCallback() {
@ -358,7 +364,8 @@ class PreviewCameraTwo : ViewGroup, TextureView.SurfaceTextureListener, MyPrevie
captureBuilder.addTarget(mImageReader!!.surface)
captureBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE)
setAutoFlash(captureBuilder)
val flashMode = if (mFlashlightState == FLASH_ON) CameraMetadata.FLASH_MODE_TORCH else CameraMetadata.FLASH_MODE_OFF
captureBuilder.set(CaptureRequest.FLASH_MODE, flashMode)
val rotation = mActivity.windowManager.defaultDisplay.rotation
captureBuilder.set(CaptureRequest.JPEG_ORIENTATION, getOrientation(rotation))
@ -383,7 +390,7 @@ class PreviewCameraTwo : ViewGroup, TextureView.SurfaceTextureListener, MyPrevie
private fun unlockFocus() {
try {
mPreviewRequestBuilder!!.set(CaptureRequest.CONTROL_AF_TRIGGER, CameraMetadata.CONTROL_AF_TRIGGER_CANCEL)
setAutoFlash(mPreviewRequestBuilder!!)
setupPreviewProperties(mPreviewRequestBuilder!!)
mCaptureSession!!.capture(mPreviewRequestBuilder!!.build(), mCaptureCallback, mBackgroundHandler)
mCameraState = STATE_PREVIEW
mCaptureSession!!.setRepeatingRequest(mPreviewRequest, mCaptureCallback, mBackgroundHandler)
@ -413,15 +420,15 @@ class PreviewCameraTwo : ViewGroup, TextureView.SurfaceTextureListener, MyPrevie
}
override fun setFlashlightState(state: Int) {
mFlashlightState = state
checkFlashlight()
}
override fun setCamera(cameraId: Int): Boolean {
return false
}
override fun getCameraState(): Int {
return STATE_PREVIEW
}
override fun getCameraState() = mCameraState
override fun releaseCamera() {
}
@ -433,6 +440,8 @@ class PreviewCameraTwo : ViewGroup, TextureView.SurfaceTextureListener, MyPrevie
}
override fun toggleFlashlight() {
val newState = ++mFlashlightState % if (mIsInVideoMode) 2 else 3
setFlashlightState(newState)
}
override fun tryTakePicture() {
@ -447,13 +456,21 @@ class PreviewCameraTwo : ViewGroup, TextureView.SurfaceTextureListener, MyPrevie
}
override fun initPhotoMode() {
mIsInVideoMode = false
}
override fun initVideoMode(): Boolean {
mIsInVideoMode = true
return false
}
override fun checkFlashlight() {
if (mCameraState == STATE_PREVIEW) {
val flashMode = if (mFlashlightState == FLASH_ON) CameraMetadata.FLASH_MODE_TORCH else CameraMetadata.FLASH_MODE_OFF
mPreviewRequestBuilder!!.set(CaptureRequest.FLASH_MODE, flashMode)
mCaptureSession!!.setRepeatingRequest(mPreviewRequestBuilder!!.build(), mCaptureCallback, mBackgroundHandler)
mActivity.updateFlashlightState(mFlashlightState)
}
}
override fun deviceOrientationChanged() {