Add ability to save image to gallery (7a7a4811) · Commits · e / os / Message

data/src/main/java/repository/ImageRepostoryImpl.kt

0 → 100644

+97 −0

Original line number	Diff line number	Diff line
		package repository

		import android.content.ContentResolver
		import android.content.ContentUris
		import android.content.ContentValues
		import android.content.Context
		import android.graphics.Bitmap
		import android.graphics.Matrix
		import android.net.Uri
		import android.provider.MediaStore
		import android.provider.MediaStore.Images
		import util.tryOrNull
		import javax.inject.Inject

		class ImageRepostoryImpl @Inject constructor(private val context: Context) : ImageRepository {

		override fun saveImage(uri: Uri) {
		val bitmap = tryOrNull { MediaStore.Images.Media.getBitmap(context.contentResolver, uri) }
		insertImage(context.contentResolver, bitmap, "title", "description")
		}

		/**
		* Modified from [android.provider.MediaStore.Images.Media.insertImage] to add date fields so
		* that the saved image is put at the start of the gallery
		*/
		private fun insertImage(cr: ContentResolver, source: Bitmap?, title: String, description: String): String? {

		val values = ContentValues()
		values.put(Images.Media.TITLE, title)
		values.put(Images.Media.DISPLAY_NAME, title)
		values.put(Images.Media.DESCRIPTION, description)
		values.put(Images.Media.MIME_TYPE, "image/jpeg")

		// Add the date meta data to ensure the image is added at the front of the gallery
		values.put(Images.Media.DATE_ADDED, System.currentTimeMillis() / 1000)
		values.put(Images.Media.DATE_TAKEN, System.currentTimeMillis())

		var uri: Uri? = null

		try {
		uri = cr.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values)

		if (source != null) {
		cr.openOutputStream(uri).use { imageOut ->
		source.compress(Bitmap.CompressFormat.JPEG, 100, imageOut)
		}

		val id = ContentUris.parseId(uri)
		// Wait until MINI_KIND thumbnail is generated.
		val miniThumb = Images.Thumbnails.getThumbnail(cr, id, Images.Thumbnails.MINI_KIND, null)
		// This is for backward compatibility.
		storeThumbnail(cr, miniThumb, id, 50f, 50f, Images.Thumbnails.MICRO_KIND)
		} else {
		cr.delete(uri, null, null)
		uri = null
		}
		} catch (e: Exception) {
		if (uri != null) {
		cr.delete(uri, null, null)
		uri = null
		}
		}

		return uri?.toString()
		}

		/**
		* Modified from [android.provider.MediaStore.Images.Media.insertImage] to add date fields so
		* that the saved image is put at the start of the gallery
		*/
		private fun storeThumbnail(cr: ContentResolver, source: Bitmap, id: Long, width: Float, height: Float, kind: Int): Bitmap? {
		val matrix = Matrix()

		val scaleX = width / source.width
		val scaleY = height / source.height

		matrix.setScale(scaleX, scaleY)

		val thumb = Bitmap.createBitmap(source, 0, 0, source.width, source.height, matrix, true)

		val values = ContentValues(4)
		values.put(Images.Thumbnails.KIND, kind)
		values.put(Images.Thumbnails.IMAGE_ID, id.toInt())
		values.put(Images.Thumbnails.HEIGHT, thumb.height)
		values.put(Images.Thumbnails.WIDTH, thumb.width)

		val url = cr.insert(Images.Thumbnails.EXTERNAL_CONTENT_URI, values)

		return tryOrNull {
		val thumbOut = cr.openOutputStream(url)
		thumb.compress(Bitmap.CompressFormat.JPEG, 100, thumbOut)
		thumbOut.close()
		thumb
		}
		}

		}

domain/src/main/java/interactor/SaveImage.kt

+3 −5

Original line number	Diff line number	Diff line
		@@ -18,15 +18,14 @@
		*/
		package interactor

		import android.content.Context
		import android.provider.MediaStore
		import androidx.net.toUri
		import io.reactivex.Flowable
		import repository.ImageRepository
		import repository.MessageRepository
		import javax.inject.Inject

		class SaveImage @Inject constructor(
		private val context: Context,
		private val imageRepository: ImageRepository,
		private val messageRepo: MessageRepository
		) : Interactor<Long>() {

		@@ -35,8 +34,7 @@ class SaveImage @Inject constructor(
		.map { partId -> messageRepo.getPart(partId) }
		.map { part -> part.image }
		.map { uriString -> uriString.toUri() }
		.map { uri -> MediaStore.Images.Media.getBitmap(context.contentResolver, uri) }
		.doOnNext { bitmap -> MediaStore.Images.Media.insertImage(context.contentResolver, bitmap, "title", "description") }
		.doOnNext { uri -> imageRepository.saveImage(uri) }
		}

		}
		No newline at end of file

domain/src/main/java/repository/ImageRepository.kt

0 → 100644

+9 −0

Original line number	Diff line number	Diff line
		package repository

		import android.net.Uri

		interface ImageRepository {

		fun saveImage(uri: Uri)

		}
		No newline at end of file

presentation/src/main/java/injection/AppModule.kt

+5 −0

Original line number	Diff line number	Diff line
		@@ -49,6 +49,8 @@ import mapper.CursorToRecipienImpl
		import mapper.CursorToRecipient
		import repository.ContactRepository
		import repository.ContactRepositoryImpl
		import repository.ImageRepository
		import repository.ImageRepostoryImpl
		import repository.MessageRepository
		import repository.MessageRepositoryImpl
		import repository.SyncRepository
		@@ -120,6 +122,9 @@ class AppModule(private var application: Application) {
		@Provides
		fun provideContactRepository(repository: ContactRepositoryImpl): ContactRepository = repository

		@Provides
		fun provideImageRepository(repository: ImageRepostoryImpl): ImageRepository = repository

		@Provides
		fun provideMessageRepository(repository: MessageRepositoryImpl): MessageRepository = repository

presentation/src/main/res/menu/gallery.xml

+2 −4

Original line number	Diff line number	Diff line
		<?xml version="1.0" encoding="utf-8"?>
		<!--
		<?xml version="1.0" encoding="utf-8"?><!--
		~ Copyright (C) 2017 Moez Bhatti <moez.bhatti@gmail.com>
		~
		~ This file is part of QKSMS.
		@@ -21,7 +20,6 @@

		<item
		android:id="@+id/save"
		android:title="@string/menu_save"
		android:visible="false" />
		android:title="@string/menu_save" />

		</menu>
		No newline at end of file