removing the Utils class

app/build.gradle

@@ -32,7 +32,7 @@ android {
 }
 
 dependencies {
-    compile 'com.simplemobiletools:commons:2.13.7'
+    compile 'com.simplemobiletools:commons:2.13.9'
     compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
 

app/src/main/kotlin/com/simplemobiletools/camera/PhotoProcessor.kt

@@ -5,6 +5,7 @@ import android.os.AsyncTask
 import android.os.Environment
 import android.util.Log
 import com.simplemobiletools.camera.activities.MainActivity
+import com.simplemobiletools.camera.extensions.getOutputMediaFile
 import com.simplemobiletools.commons.extensions.getFileDocument
 import com.simplemobiletools.commons.extensions.needsStupidWritePermissions
 import com.simplemobiletools.commons.extensions.toast
@@ -28,7 +29,7 @@ class PhotoProcessor(val activity: MainActivity, val uri: Uri?) : AsyncTask<Byte
             if (uri != null) {
                 path = uri.path
             } else {
-                path = Utils.getOutputMediaFile(activity, true)
+                path = activity.getOutputMediaFile(true)
             }
 
             if (path.isEmpty()) {

app/src/main/kotlin/com/simplemobiletools/camera/Preview.kt

@@ -17,7 +17,8 @@ import android.view.SurfaceHolder
 import android.view.SurfaceView
 import android.view.ViewGroup
 import com.simplemobiletools.camera.activities.MainActivity
-import com.simplemobiletools.camera.extensions.config
+import com.simplemobiletools.camera.extensions.*
+import com.simplemobiletools.commons.extensions.getNavBarHeight
 import com.simplemobiletools.commons.extensions.needsStupidWritePermissions
 import com.simplemobiletools.commons.extensions.scanPath
 import com.simplemobiletools.commons.extensions.toast
@@ -80,7 +81,7 @@ class Preview : ViewGroup, SurfaceHolder.Callback, MediaScannerConnection.OnScan
         mSetupPreviewAfterMeasure = false
         mCurrVideoPath = ""
         config = activity.config
-        mScreenSize = Utils.getScreenSize(activity)
+        mScreenSize = getScreenSize()
         initGestureDetector()
 
         mSurfaceView.setOnTouchListener { view, event ->
@@ -142,8 +143,7 @@ class Preview : ViewGroup, SurfaceHolder.Callback, MediaScannerConnection.OnScan
             if (focusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE))
                 mParameters!!.focusMode = Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE
 
-            val rotation = Utils.getPreviewRotation(mActivity, cameraId)
+            mCamera!!.setDisplayOrientation(mActivity.getPreviewRotation(cameraId))
-            mCamera!!.setDisplayOrientation(rotation)
             mCamera!!.parameters = mParameters
 
             if (mCanTakePicture) {
@@ -155,7 +155,7 @@ class Preview : ViewGroup, SurfaceHolder.Callback, MediaScannerConnection.OnScan
                 }
             }
 
-            mCallback.setFlashAvailable(Utils.hasFlash(mCamera))
+            mCallback.setFlashAvailable(hasFlash(mCamera))
         }
 
         if (mIsVideoMode) {
@@ -220,8 +220,8 @@ class Preview : ViewGroup, SurfaceHolder.Callback, MediaScannerConnection.OnScan
 
     fun takePicture() {
         if (mCanTakePicture) {
-            var rotation = Utils.getMediaRotation(mActivity, mCurrCameraId)
+            var rotation = mActivity.getMediaRotation(mCurrCameraId)
-            rotation += Utils.compensateDeviceRotation(mCurrCameraId, mCallback.getCurrentOrientation())
+            rotation += mCallback.getCurrentOrientation().compensateDeviceRotation(mCurrCameraId)
 
             /*final Camera.Size maxSize = getOptimalPictureSize();
             mParameters.setPictureSize(maxSize.width, maxSize.height);*/
@@ -476,7 +476,7 @@ class Preview : ViewGroup, SurfaceHolder.Callback, MediaScannerConnection.OnScan
         mRecorder!!.setVideoSource(MediaRecorder.VideoSource.DEFAULT)
         mRecorder!!.setAudioSource(MediaRecorder.AudioSource.DEFAULT)
 
-        mCurrVideoPath = Utils.getOutputMediaFile(mActivity, false)
+        mCurrVideoPath = mActivity.getOutputMediaFile(false)
         if (mCurrVideoPath.isEmpty()) {
             mActivity.toast(R.string.video_creating_error)
             return false
@@ -510,7 +510,7 @@ class Preview : ViewGroup, SurfaceHolder.Callback, MediaScannerConnection.OnScan
         }
         mRecorder!!.setPreviewDisplay(mSurfaceHolder.surface)
 
-        val rotation = Utils.getFinalRotation(mActivity, mCurrCameraId, mCallback.getCurrentOrientation())
+        val rotation = mActivity.getFinalRotation(mCurrCameraId, mCallback.getCurrentOrientation())
         mInitVideoRotation = rotation
         mRecorder!!.setOrientationHint(rotation)
 
@@ -541,7 +541,7 @@ class Preview : ViewGroup, SurfaceHolder.Callback, MediaScannerConnection.OnScan
     }
 
     private fun startRecording() {
-        if (mInitVideoRotation != Utils.getFinalRotation(mActivity, mCurrCameraId, mCallback.getCurrentOrientation())) {
+        if (mInitVideoRotation != mActivity.getFinalRotation(mCurrCameraId, mCallback.getCurrentOrientation())) {
             cleanupRecorder()
             initRecorder()
         }
@@ -598,6 +598,32 @@ class Preview : ViewGroup, SurfaceHolder.Callback, MediaScannerConnection.OnScan
         toggleShutterSound(false)
     }
 
+    private fun hasFlash(camera: Camera?): Boolean {
+        if (camera == null) {
+            return false
+        }
+
+        if (camera.parameters.flashMode == null) {
+            return false
+        }
+
+        val supportedFlashModes = camera.parameters.supportedFlashModes
+        if (supportedFlashModes == null || supportedFlashModes.isEmpty() ||
+                supportedFlashModes.size == 1 && supportedFlashModes[0] == Camera.Parameters.FLASH_MODE_OFF) {
+            return false
+        }
+
+        return true
+    }
+
+    private fun getScreenSize(): Point {
+        val display = mActivity.windowManager.defaultDisplay
+        val size = Point()
+        display.getSize(size)
+        size.y += mActivity.resources.getNavBarHeight()
+        return size
+    }
+
     private class SizesComparator : Comparator<Camera.Size>, Serializable {
 
         override fun compare(a: Camera.Size, b: Camera.Size): Int {

app/src/main/kotlin/com/simplemobiletools/camera/Utils.kt

@@ -1,154 +0,0 @@
-package com.simplemobiletools.camera
-
-import android.Manifest
-import android.app.Activity
-import android.content.Context
-import android.content.pm.PackageManager
-import android.content.res.Resources
-import android.graphics.Point
-import android.hardware.Camera
-import android.support.v4.content.ContextCompat
-import android.view.Surface
-import com.simplemobiletools.commons.extensions.toast
-import java.io.File
-import java.text.SimpleDateFormat
-import java.util.*
-
-class Utils {
-    companion object {
-        fun getCameraInfo(cameraId: Int): Camera.CameraInfo {
-            val info = android.hardware.Camera.CameraInfo()
-            Camera.getCameraInfo(cameraId, info)
-            return info
-        }
-
-        fun showToast(context: Context, resId: Int) = context.toast(resId)
-
-        fun hasFlash(camera: Camera?): Boolean {
-            if (camera == null) {
-                return false
-            }
-
-            if (camera.parameters.flashMode == null) {
-                return false
-            }
-
-            val supportedFlashModes = camera.parameters.supportedFlashModes
-            if (supportedFlashModes == null || supportedFlashModes.isEmpty() ||
-                    supportedFlashModes.size == 1 && supportedFlashModes[0] == Camera.Parameters.FLASH_MODE_OFF) {
-                return false
-            }
-
-            return true
-        }
-
-        fun getOutputMediaFile(context: Context, isPhoto: Boolean): String {
-            val mediaStorageDir = File(Config.newInstance(context).savePhotosFolder)
-
-            if (!mediaStorageDir.exists()) {
-                if (!mediaStorageDir.mkdirs()) {
-                    return ""
-                }
-            }
-
-            val timestamp = SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault()).format(Date())
-            return if (isPhoto) {
-                "${mediaStorageDir.path}${File.separator}IMG_$timestamp.jpg"
-            } else {
-                "${mediaStorageDir.path}${File.separator}VID_$timestamp.mp4"
-            }
-        }
-
-        fun formatSeconds(duration: Int): String {
-            val sb = StringBuilder(8)
-            val hours = duration / (60 * 60)
-            val minutes = duration % (60 * 60) / 60
-            val seconds = duration % (60 * 60) % 60
-
-            if (duration > 3600000) {
-                sb.append(String.format(Locale.getDefault(), "%02d", hours)).append(":")
-            }
-
-            sb.append(String.format(Locale.getDefault(), "%02d", minutes))
-            sb.append(":").append(String.format(Locale.getDefault(), "%02d", seconds))
-
-            return sb.toString()
-        }
-
-        fun getScreenSize(activity: Activity): Point {
-            val display = activity.windowManager.defaultDisplay
-            val size = Point()
-            display.getSize(size)
-            size.y += getNavBarHeight(activity.resources)
-            return size
-        }
-
-        fun getNavBarHeight(res: Resources): Int {
-            val id = res.getIdentifier("navigation_bar_height", "dimen", "android")
-            return if (id > 0 && hasNavBar(res)) {
-                res.getDimensionPixelSize(id)
-            } else
-                0
-        }
-
-        fun hasNavBar(res: Resources): Boolean {
-            val id = res.getIdentifier("config_showNavigationBar", "bool", "android")
-            return id > 0 && res.getBoolean(id)
-        }
-
-        fun hasCameraPermission(context: Context) = ContextCompat.checkSelfPermission(context, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED
-
-        fun hasAudioPermission(cxt: Context) = ContextCompat.checkSelfPermission(cxt, Manifest.permission.RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED
-
-        fun getRotationDegrees(activity: Activity): Int {
-            return when (activity.windowManager.defaultDisplay.rotation) {
-                Surface.ROTATION_0 -> 0
-                Surface.ROTATION_90 -> 90
-                Surface.ROTATION_180 -> 180
-                Surface.ROTATION_270 -> 270
-                else -> 0
-            }
-        }
-
-        fun getPreviewRotation(activity: Activity, cameraId: Int): Int {
-            val info = Utils.getCameraInfo(cameraId)
-            val degrees = Utils.getRotationDegrees(activity)
-
-            var result: Int
-            if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
-                result = (info.orientation + degrees) % 360
-                result = 360 - result
-            } else {
-                result = info.orientation - degrees + 360
-            }
-
-            return result % 360
-        }
-
-        fun getMediaRotation(activity: Activity, cameraId: Int): Int {
-            val degrees = Utils.getRotationDegrees(activity)
-            val info = Utils.getCameraInfo(cameraId)
-            return if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
-                (360 + info.orientation + degrees) % 360
-            } else
-                (360 + info.orientation - degrees) % 360
-        }
-
-        fun compensateDeviceRotation(currCameraId: Int, deviceOrientation: Int): Int {
-            var degrees = 0
-            val isFrontCamera = currCameraId == Camera.CameraInfo.CAMERA_FACING_FRONT
-            if (deviceOrientation == Constants.ORIENT_LANDSCAPE_LEFT) {
-                degrees += if (isFrontCamera) 90 else 270
-            } else if (deviceOrientation == Constants.ORIENT_LANDSCAPE_RIGHT) {
-                degrees += if (isFrontCamera) 270 else 90
-            }
-            return degrees
-        }
-
-        fun getFinalRotation(activity: Activity, currCameraId: Int, deviceOrientation: Int): Int {
-            var rotation = Utils.getMediaRotation(activity, currCameraId)
-            rotation += Utils.compensateDeviceRotation(currCameraId, deviceOrientation)
-            return rotation % 360
-        }
-    }
-}

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

@@ -24,10 +24,7 @@ import com.simplemobiletools.camera.*
 import com.simplemobiletools.camera.Preview.PreviewListener
 import com.simplemobiletools.camera.extensions.config
 import com.simplemobiletools.camera.views.FocusRectView
-import com.simplemobiletools.commons.extensions.checkWhatsNew
+import com.simplemobiletools.commons.extensions.*
-import com.simplemobiletools.commons.extensions.hasWriteStoragePermission
-import com.simplemobiletools.commons.extensions.storeStoragePaths
-import com.simplemobiletools.commons.extensions.toast
 import com.simplemobiletools.commons.models.Release
 import kotlinx.android.synthetic.main.activity_main.*
 import java.util.*
@@ -99,7 +96,7 @@ class MainActivity : SimpleActivity(), SensorEventListener, PreviewListener, Pho
             handleIntent()
         } else {
             val permissions = ArrayList<String>(2)
-            if (!Utils.hasCameraPermission(applicationContext)) {
+            if (!hasCameraPermission()) {
                 permissions.add(Manifest.permission.CAMERA)
             }
             if (!hasWriteStoragePermission()) {
@@ -110,8 +107,8 @@ class MainActivity : SimpleActivity(), SensorEventListener, PreviewListener, Pho
     }
 
     private fun handleIntent() {
-        if (intent != null && intent.action != null) {
+        if (intent?.action != null) {
-            if (intent.extras != null && intent.action == MediaStore.ACTION_IMAGE_CAPTURE || intent.action == MediaStore.ACTION_IMAGE_CAPTURE_SECURE) {
+            if (intent.action == MediaStore.ACTION_IMAGE_CAPTURE || intent.action == MediaStore.ACTION_IMAGE_CAPTURE_SECURE) {
                 mIsImageCaptureIntent = true
                 hideToggleModeAbout()
                 val output = intent.extras.get(MediaStore.EXTRA_OUTPUT)
@@ -130,9 +127,9 @@ class MainActivity : SimpleActivity(), SensorEventListener, PreviewListener, Pho
         setContentView(R.layout.activity_main)
         initButtons()
 
-        if (Utils.hasNavBar(mRes) && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+        if (mRes.hasNavBar() && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
             val lp = btn_holder.layoutParams as RelativeLayout.LayoutParams
-            lp.setMargins(0, 0, 0, lp.bottomMargin + Utils.getNavBarHeight(mRes))
+            lp.setMargins(0, 0, 0, lp.bottomMargin + mRes.getNavBarHeight())
         }
 
         mCurrCamera = config.lastUsedCamera
@@ -161,7 +158,7 @@ class MainActivity : SimpleActivity(), SensorEventListener, PreviewListener, Pho
         toggle_photo_video.setOnClickListener { handleTogglePhotoVideo() }
     }
 
-    private fun hasCameraAndStoragePermission() = Utils.hasCameraPermission(applicationContext) && hasWriteStoragePermission()
+    private fun hasCameraAndStoragePermission() = hasCameraPermission() && hasWriteStoragePermission()
 
     override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
         super.onRequestPermissionsResult(requestCode, permissions, grantResults)
@@ -176,7 +173,7 @@ class MainActivity : SimpleActivity(), SensorEventListener, PreviewListener, Pho
                 finish()
             }
         } else if (requestCode == AUDIO_PERMISSION) {
-            if (grantResults.size > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+            if (grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                 togglePhotoVideo()
             } else {
                 toast(R.string.no_audio_permissions)
@@ -311,7 +308,7 @@ class MainActivity : SimpleActivity(), SensorEventListener, PreviewListener, Pho
             return
         }
 
-        if (!Utils.hasAudioPermission(applicationContext)) {
+        if (!hasRecordAudioPermission()) {
             ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.RECORD_AUDIO), AUDIO_PERMISSION)
             mIsAskingPermissions = true
             return
@@ -414,7 +411,7 @@ class MainActivity : SimpleActivity(), SensorEventListener, PreviewListener, Pho
     }
 
     private fun hideTimer() {
-        video_rec_curr_timer.text = Utils.formatSeconds(0)
+        video_rec_curr_timer.text = 0.getFormattedDuration()
         video_rec_curr_timer.visibility = View.GONE
         mCurrVideoRecTimer = 0
         mTimerHandler.removeCallbacksAndMessages(null)
@@ -428,7 +425,7 @@ class MainActivity : SimpleActivity(), SensorEventListener, PreviewListener, Pho
     private fun setupTimer() {
         runOnUiThread(object : Runnable {
             override fun run() {
-                video_rec_curr_timer.text = Utils.formatSeconds(mCurrVideoRecTimer++)
+                video_rec_curr_timer.text = mCurrVideoRecTimer++.getFormattedDuration()
                 mTimerHandler.postDelayed(this, 1000)
             }
         })

app/src/main/kotlin/com/simplemobiletools/camera/extensions/activity.kt

@@ -0,0 +1,48 @@
+package com.simplemobiletools.camera.extensions
+
+import android.app.Activity
+import android.hardware.Camera
+import android.view.Surface
+
+fun Activity.getPreviewRotation(cameraId: Int): Int {
+    val info = getCameraInfo(cameraId)
+    val degrees = getRotationDegrees(this)
+
+    var result: Int
+    if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
+        result = (info.orientation + degrees) % 360
+        result = 360 - result
+    } else {
+        result = info.orientation - degrees + 360
+    }
+
+    return result % 360
+}
+
+fun Activity.getMediaRotation(cameraId: Int): Int {
+    val degrees = getRotationDegrees(this)
+    val info = getCameraInfo(cameraId)
+    return if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
+        (360 + info.orientation + degrees) % 360
+    } else
+        (360 + info.orientation - degrees) % 360
+}
+
+fun Activity.getFinalRotation(currCameraId: Int, deviceOrientation: Int): Int {
+    var rotation = getMediaRotation(currCameraId)
+    rotation += deviceOrientation.compensateDeviceRotation(currCameraId)
+    return rotation % 360
+}
+
+private fun getRotationDegrees(activity: Activity) = when (activity.windowManager.defaultDisplay.rotation) {
+    Surface.ROTATION_90 -> 90
+    Surface.ROTATION_180 -> 180
+    Surface.ROTATION_270 -> 270
+    else -> 0
+}
+
+private fun getCameraInfo(cameraId: Int): Camera.CameraInfo {
+    val info = android.hardware.Camera.CameraInfo()
+    Camera.getCameraInfo(cameraId, info)
+    return info
+}

app/src/main/kotlin/com/simplemobiletools/camera/extensions/context.kt

@@ -2,5 +2,25 @@ package com.simplemobiletools.camera.extensions
 
 import android.content.Context
 import com.simplemobiletools.camera.Config
+import java.io.File
+import java.text.SimpleDateFormat
+import java.util.*
 
 val Context.config: Config get() = Config.newInstance(this)
+
+fun Context.getOutputMediaFile(isPhoto: Boolean): String {
+    val mediaStorageDir = File(config.savePhotosFolder)
+
+    if (!mediaStorageDir.exists()) {
+        if (!mediaStorageDir.mkdirs()) {
+            return ""
+        }
+    }
+
+    val timestamp = SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault()).format(Date())
+    return if (isPhoto) {
+        "${mediaStorageDir.path}${File.separator}IMG_$timestamp.jpg"
+    } else {
+        "${mediaStorageDir.path}${File.separator}VID_$timestamp.mp4"
+    }
+}

app/src/main/kotlin/com/simplemobiletools/camera/extensions/int.kt

@@ -0,0 +1,15 @@
+package com.simplemobiletools.camera.extensions
+
+import android.hardware.Camera
+import com.simplemobiletools.camera.Constants
+
+fun Int.compensateDeviceRotation(currCameraId: Int): Int {
+    var degrees = 0
+    val isFrontCamera = currCameraId == Camera.CameraInfo.CAMERA_FACING_FRONT
+    if (this == Constants.ORIENT_LANDSCAPE_LEFT) {
+        degrees += if (isFrontCamera) 90 else 270
+    } else if (this == Constants.ORIENT_LANDSCAPE_RIGHT) {
+        degrees += if (isFrontCamera) 270 else 90
+    }
+    return degrees
+}