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Code Issues Packages Projects Releases Wiki Activity

Handle cases when camerFlash may be null in MyCameraImpl

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This commit is contained in:
Ensar Sarajčić
2023-09-20 11:26:03 +02:00
parent 2a8d7c2a8c
commit 0b64092651
1 changed files with 25 additions and 17 deletions
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42
app/src/main/kotlin/com/simplemobiletools/flashlight/helpers/MyCameraImpl.kt
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@@ -38,6 +38,14 @@ class MyCameraImpl private constructor(val context: Context, private var cameraT
fun newInstance(context: Context, cameraTorchListener: CameraTorchListener? = null) = MyCameraImpl(context, cameraTorchListener)
}
private val cameraFlash: CameraFlash?
get() {
if (MyCameraImpl.cameraFlash == null) {
handleCameraSetup()
}
return MyCameraImpl.cameraFlash
}
init {
handleCameraSetup()
stroboFrequency = context.config.stroboscopeFrequency
@@ -62,7 +70,7 @@ class MyCameraImpl private constructor(val context: Context, private var cameraT
disableFlashlight()
}
cameraFlash!!.unregisterListeners()
cameraFlash?.unregisterListeners()
if (!tryInitCamera()) {
return false
@@ -104,7 +112,7 @@ class MyCameraImpl private constructor(val context: Context, private var cameraT
disableFlashlight()
}
cameraFlash!!.unregisterListeners()
cameraFlash?.unregisterListeners()
return if (isSOSRunning) {
stopSOS()
@@ -131,8 +139,8 @@ class MyCameraImpl private constructor(val context: Context, private var cameraT
fun handleCameraSetup() {
try {
if (cameraFlash == null) {
cameraFlash = CameraFlash(context, cameraTorchListener)
if (MyCameraImpl.cameraFlash == null) {
MyCameraImpl.cameraFlash = CameraFlash(context, cameraTorchListener)
}
} catch (e: Exception) {
EventBus.getDefault().post(Events.CameraUnavailable())
@@ -157,8 +165,8 @@ class MyCameraImpl private constructor(val context: Context, private var cameraT
}
try {
cameraFlash!!.initialize()
cameraFlash!!.toggleFlashlight(true)
cameraFlash?.initialize()
cameraFlash?.toggleFlashlight(true)
} catch (e: Exception) {
context.showErrorToast(e)
disableFlashlight()
@@ -174,7 +182,7 @@ class MyCameraImpl private constructor(val context: Context, private var cameraT
}
try {
cameraFlash!!.toggleFlashlight(false)
cameraFlash?.toggleFlashlight(false)
} catch (e: Exception) {
context.showErrorToast(e)
disableFlashlight()
@@ -205,7 +213,7 @@ class MyCameraImpl private constructor(val context: Context, private var cameraT
}
cameraFlash?.release()
cameraFlash = null
MyCameraImpl.cameraFlash = null
cameraTorchListener = null
isFlashlightOn = false
@@ -228,10 +236,10 @@ class MyCameraImpl private constructor(val context: Context, private var cameraT
handleCameraSetup()
while (!shouldStroboscopeStop) {
try {
cameraFlash!!.toggleFlashlight(true)
cameraFlash?.toggleFlashlight(true)
val onDuration = if (isStroboSOS) SOS[sosIndex++ % SOS.size] else stroboFrequency
Thread.sleep(onDuration)
cameraFlash!!.toggleFlashlight(false)
cameraFlash?.toggleFlashlight(false)
val offDuration = if (isStroboSOS) SOS[sosIndex++ % SOS.size] else stroboFrequency
Thread.sleep(offDuration)
} catch (e: Exception) {
@@ -242,9 +250,9 @@ class MyCameraImpl private constructor(val context: Context, private var cameraT
// disable flash immediately if stroboscope is stopped and normal flash mode is disabled
if (shouldStroboscopeStop && !shouldEnableFlashlight) {
handleCameraSetup()
cameraFlash!!.toggleFlashlight(false)
cameraFlash!!.release()
cameraFlash = null
cameraFlash?.toggleFlashlight(false)
cameraFlash?.release()
MyCameraImpl.cameraFlash = null
}
shouldStroboscopeStop = false
@@ -271,19 +279,19 @@ class MyCameraImpl private constructor(val context: Context, private var cameraT
}
fun getMaximumBrightnessLevel(): Int {
return cameraFlash!!.getMaximumBrightnessLevel()
return cameraFlash?.getMaximumBrightnessLevel() ?: MIN_BRIGHTNESS_LEVEL
}
fun getCurrentBrightnessLevel(): Int {
return cameraFlash!!.getCurrentBrightnessLevel()
return cameraFlash?.getCurrentBrightnessLevel() ?: DEFAULT_BRIGHTNESS_LEVEL
}
fun supportsBrightnessControl(): Boolean {
return cameraFlash!!.supportsBrightnessControl()
return cameraFlash?.supportsBrightnessControl() ?: false
}
fun updateBrightnessLevel(level: Int) {
cameraFlash!!.changeTorchBrightness(level)
cameraFlash?.changeTorchBrightness(level)
}
fun onCameraNotAvailable() {