adding some crashfixes

app/build.gradle

@@ -57,6 +57,6 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:5.30.12'
+    implementation 'com.simplemobiletools:commons:5.31.25'
     implementation 'androidx.documentfile:documentfile:1.0.1'
 }

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

@@ -448,7 +448,7 @@ class MainActivity : SimpleActivity(), PhotoProcessor.MediaSavedListener {
     }
 
     private fun showToggleCameraIfNeeded() {
-        toggle_camera?.beInvisibleIf(mCameraImpl.getCountOfCameras() <= 1)
+        toggle_camera?.beInvisibleIf(mCameraImpl.getCountOfCameras() ?: 1 <= 1)
     }
 
     private fun hasStorageAndCameraPermissions() = hasPermission(PERMISSION_WRITE_STORAGE) && hasPermission(PERMISSION_CAMERA)

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

@@ -9,8 +9,12 @@ class MyCameraImpl(val context: Context) {
 
     fun getBackCameraId() = CameraCharacteristics.LENS_FACING_BACK
 
-    fun getCountOfCameras(): Int {
-        val manager = context.getSystemService(Context.CAMERA_SERVICE) as CameraManager
-        return manager.cameraIdList.size
+    fun getCountOfCameras(): Int? {
+        return try {
+            val manager = context.getSystemService(Context.CAMERA_SERVICE) as CameraManager
+            manager.cameraIdList.size
+        } catch (e: Exception) {
+            null
+        }
     }
 }

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

@@ -577,6 +577,10 @@ class CameraPreview : ViewGroup, TextureView.SurfaceTextureListener, MyPreview {
             mRotationAtCapture = mActivity.mLastHandledOrientation
             val jpegOrientation = (mSensorOrientation + compensateDeviceRotation(mRotationAtCapture)) % 360
             val captureBuilder = mCameraDevice!!.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE).apply {
+                if (mImageReader!!.surface == null) {
+                    return
+                }
+
                 addTarget(mImageReader!!.surface)
                 setFlashAndExposure(this)
                 set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE)
@@ -605,7 +609,7 @@ class CameraPreview : ViewGroup, TextureView.SurfaceTextureListener, MyPreview {
                 abortCaptures()
                 capture(captureBuilder.build(), captureCallback, null)
             }
-        } catch (e: CameraAccessException) {
+        } catch (e: Exception) {
             mActivity.showErrorToast("Capture picture $e")
         }
     }
@@ -845,7 +849,12 @@ class CameraPreview : ViewGroup, TextureView.SurfaceTextureListener, MyPreview {
                 updatePreview()
                 mIsRecording = true
                 mActivity.runOnUiThread {
-                    mMediaRecorder?.start()
+                    try {
+                        mMediaRecorder?.start()
+                    } catch (e: Exception) {
+                        mActivity.showErrorToast(e)
+                        mCameraState = STATE_PREVIEW
+                    }
                 }
                 mActivity.setRecordingState(true)
                 mCameraState = STATE_RECORDING

build.gradle

@@ -9,7 +9,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.0.1'
+        classpath 'com.android.tools.build:gradle:4.1.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Sat Sep 05 21:36:09 CEST 2020
+#Sat Nov 07 19:34:59 CET 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip