adding some crashfixes

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

@@ -895,9 +895,10 @@ class MainActivity : SimpleActivity(), PhotoProcessor.MediaSavedListener, Camera
 
     private fun resetViewsOnTimerFinish() {
         arrayOf(top_options, toggle_camera, last_photo_video_preview, camera_mode_holder).forEach {
-            it.fadeIn()
-            it.beVisible()
+            it?.fadeIn()
+            it?.beVisible()
         }
+
         timer_text.beGone()
         shutter.setImageState(intArrayOf(-R.attr.state_timer_cancel), true)
     }

app/src/main/kotlin/com/simplemobiletools/camera/helpers/ImageQualityManager.kt

@@ -11,10 +11,7 @@ import com.simplemobiletools.camera.models.CameraSelectorImageQualities
 import com.simplemobiletools.camera.models.MySize
 import com.simplemobiletools.commons.extensions.showErrorToast
 
-class ImageQualityManager(
-    private val activity: AppCompatActivity,
-) {
-
+class ImageQualityManager(private val activity: AppCompatActivity) {
     companion object {
         private val CAMERA_LENS = arrayOf(CameraCharacteristics.LENS_FACING_FRONT, CameraCharacteristics.LENS_FACING_BACK)
     }
@@ -59,7 +56,7 @@ class ImageQualityManager(
     }
 
     fun getSupportedResolutions(cameraSelector: CameraSelector): List<MySize> {
-        val fullScreenSize = getFullScreenResolution(cameraSelector)
+        val fullScreenSize = getFullScreenResolution(cameraSelector) ?: return ArrayList()
         return listOf(fullScreenSize) + imageQualities.filter { it.camSelector == cameraSelector }
             .flatMap { it.qualities }
             .sortedByDescending { it.pixels }
@@ -68,11 +65,11 @@ class ImageQualityManager(
             .filter { it.isSupported(fullScreenSize.isSixteenToNine()) }
     }
 
-    private fun getFullScreenResolution(cameraSelector: CameraSelector): MySize {
+    private fun getFullScreenResolution(cameraSelector: CameraSelector): MySize? {
         return imageQualities.filter { it.camSelector == cameraSelector }
             .flatMap { it.qualities }
             .sortedByDescending { it.width }
-            .first { it.isSupported(false) }
-            .copy(isFullScreen = true)
+            .firstOrNull { it.isSupported(false) }
+            ?.copy(isFullScreen = true)
     }
 }

app/src/main/kotlin/com/simplemobiletools/camera/helpers/MediaActionSound.kt

@@ -40,7 +40,7 @@ class MediaActionSound(private val context: Context) {
     }
 
     private class SoundState(
-        val mediaSound: MediaSound,
+        val mediaSound: MediaSound?,
         // 0 is an invalid sample ID.
         var loadId: Int = 0,
         var streamId: Int = 0,
@@ -99,7 +99,11 @@ class MediaActionSound(private val context: Context) {
 
     private fun loadSound(sound: SoundState): Int {
         var id = 0
-        when (val mediaSound = sound.mediaSound) {
+        if (sound.mediaSound == null) {
+            return 0
+        }
+
+        when (val mediaSound = sound.mediaSound!!) {
             is MediaSound.ManufacturerSound -> {
                 for (soundDir in SOUND_DIRS) {
                     val soundPath = soundDir + mediaSound.fileName
@@ -167,7 +171,7 @@ class MediaActionSound(private val context: Context) {
     }
 
     private fun playWithSoundPool(sound: SoundState) {
-        if (playCompletionRunnable != null) {
+        if (playCompletionRunnable != null && sound.mediaSound != null) {
             val duration = getSoundDuration(sound.mediaSound)
             playTimeHandler.postDelayed(playCompletionRunnable!!, duration)
         }

app/src/main/kotlin/com/simplemobiletools/camera/implementations/CameraXPreview.kt

@@ -10,6 +10,7 @@ import android.util.Rational
 import android.util.Size
 import android.view.*
 import android.view.GestureDetector.SimpleOnGestureListener
+import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import androidx.camera.core.*
 import androidx.camera.core.ImageCapture.*
@@ -29,8 +30,10 @@ import com.simplemobiletools.camera.R
 import com.simplemobiletools.camera.extensions.*
 import com.simplemobiletools.camera.helpers.*
 import com.simplemobiletools.camera.interfaces.MyPreview
-import com.simplemobiletools.camera.models.*
 import com.simplemobiletools.camera.models.CaptureMode
+import com.simplemobiletools.camera.models.MediaOutput
+import com.simplemobiletools.camera.models.MySize
+import com.simplemobiletools.camera.models.ResolutionOption
 import com.simplemobiletools.commons.extensions.toast
 import com.simplemobiletools.commons.helpers.ensureBackgroundThread
 
@@ -461,14 +464,19 @@ class CameraXPreview(
     }
 
     override fun tryTakePicture() {
-        val imageCapture = imageCapture ?: throw IllegalStateException("Camera initialization failed.")
+        if (imageCapture == null) {
+            activity.toast(R.string.camera_open_error)
+            return
+        }
+
+        val imageCapture = imageCapture
 
         val metadata = Metadata().apply {
             isReversedHorizontal = isFrontCameraInUse() && config.flipPhotos
         }
 
         val mediaOutput = mediaOutputHelper.getImageMediaOutput()
-        imageCapture.takePicture(mainExecutor, object : OnImageCapturedCallback() {
+        imageCapture!!.takePicture(mainExecutor, object : OnImageCapturedCallback() {
             override fun onCaptureSuccess(image: ImageProxy) {
                 listener.shutterAnimation()
                 playShutterSoundIfEnabled()
@@ -555,20 +563,25 @@ class CameraXPreview(
 
     @SuppressLint("MissingPermission", "NewApi")
     private fun startRecording() {
-        val videoCapture = videoCapture ?: throw IllegalStateException("Camera initialization failed.")
+        if (videoCapture == null) {
+            activity.toast(R.string.camera_open_error)
+            return
+        }
+
+        val videoCapture = videoCapture
 
         val recording = when (val mediaOutput = mediaOutputHelper.getVideoMediaOutput()) {
             is MediaOutput.FileDescriptorMediaOutput -> {
                 FileDescriptorOutputOptions.Builder(mediaOutput.fileDescriptor).build()
-                    .let { videoCapture.output.prepareRecording(activity, it) }
+                    .let { videoCapture!!.output.prepareRecording(activity, it) }
             }
             is MediaOutput.FileMediaOutput -> {
                 FileOutputOptions.Builder(mediaOutput.file).build()
-                    .let { videoCapture.output.prepareRecording(activity, it) }
+                    .let { videoCapture!!.output.prepareRecording(activity, it) }
             }
             is MediaOutput.MediaStoreOutput -> {
                 MediaStoreOutputOptions.Builder(contentResolver, mediaOutput.contentUri).setContentValues(mediaOutput.contentValues).build()
-                    .let { videoCapture.output.prepareRecording(activity, it) }
+                    .let { videoCapture!!.output.prepareRecording(activity, it) }
             }
         }
 

app/src/main/res/menu/menu.xml

@@ -3,14 +3,14 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     tools:ignore="AppCompatResource">
-    <item
-        android:id="@+id/more_apps_from_us"
-        android:icon="@drawable/ic_google_play_vector"
-        android:title="@string/more_apps_from_us"
-        app:showAsAction="ifRoom" />
     <item
         android:id="@+id/about"
         android:icon="@drawable/ic_info_vector"
         android:title="@string/about"
         app:showAsAction="ifRoom" />
+    <item
+        android:id="@+id/more_apps_from_us"
+        android:icon="@drawable/ic_google_play_vector"
+        android:title="@string/more_apps_from_us"
+        app:showAsAction="ifRoom" />
 </menu>