add a helper function for saving image rotation (eb298803) · Commits · e / os / Simple-Commons

build.gradle

+1 −1

Original line number	Diff line number	Diff line
		@@ -6,7 +6,7 @@ buildscript {
		propMinSdkVersion = 16
		propTargetSdkVersion = propCompileSdkVersion
		propVersionCode = 1
		propVersionName = '3.17.21'
		propVersionName = '3.17.22'
		kotlin_version = '1.2.31'
		support_libs = '27.1.0'
		}

commons/src/main/kotlin/com/simplemobiletools/commons/extensions/Context.kt

+27 −0

Original line number	Diff line number	Diff line
		@@ -8,13 +8,16 @@ import android.content.Intent
		import android.content.pm.PackageManager
		import android.database.Cursor
		import android.graphics.Color
		import android.media.ExifInterface
		import android.media.RingtoneManager
		import android.net.Uri
		import android.os.Build
		import android.os.Environment
		import android.provider.BaseColumns
		import android.provider.DocumentsContract
		import android.provider.MediaStore
		import android.provider.OpenableColumns
		import android.support.annotation.RequiresApi
		import android.support.v4.content.ContextCompat
		import android.support.v4.content.CursorLoader
		import android.support.v4.content.FileProvider
		@@ -492,3 +495,27 @@ fun Context.storeNewYourAlarmSound(resultData: Intent): AlarmSound {

		return newAlarmSound
		}

		@RequiresApi(Build.VERSION_CODES.N)
		fun Context.saveImageRotation(path: String, degrees: Int): Boolean {
		if (!isPathOnSD(path)) {
		saveExifRotation(ExifInterface(path), degrees)
		return true
		} else if (isNougatPlus()) {
		val documentFile = getSomeDocumentFile(path)
		if (documentFile != null) {
		val parcelFileDescriptor = contentResolver.openFileDescriptor(documentFile.uri, "rw")
		val fileDescriptor = parcelFileDescriptor.fileDescriptor
		saveExifRotation(ExifInterface(fileDescriptor), degrees)
		return true
		}
		}
		return false
		}

		private fun saveExifRotation(exif: ExifInterface, degrees: Int) {
		val orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL)
		val orientationDegrees = (orientation.degreesFromOrientation() + degrees) % 360
		exif.setAttribute(ExifInterface.TAG_ORIENTATION, orientationDegrees.orientationFromDegrees())
		exif.saveAttributes()
		}