Merge pull request #1852 from RocketChat/new/take-a-photo

[NEW] Take a photo

app/src/debug/res/xml/file_paths.xml

+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <external-path
+        name="rocket_chat_images"
+        path="Android/data/chat.rocket.android.dev/files/Pictures" />
+</paths>
\ No newline at end of file

app/src/main/AndroidManifest.xml

@@ -105,6 +105,15 @@
         <meta-data
             android:name="io.fabric.ApiKey"
             android:value="12ac6e94f850aaffcdff52001af77ca415d06a43" />
-    </application>
 
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="chat.rocket.android.fileprovider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths" />
+        </provider>
+    </application>
 </manifest>

app/src/main/java/chat/rocket/android/chatroom/presentation/ChatRoomPresenter.kt

@@ -34,11 +34,9 @@ import chat.rocket.android.server.domain.uploadMimeTypeFilter
 import chat.rocket.android.server.domain.useRealName
 import chat.rocket.android.server.infraestructure.ConnectionManagerFactory
 import chat.rocket.android.server.infraestructure.state
-import chat.rocket.android.util.extension.compressImageAndGetByteArray
 import chat.rocket.android.util.extension.getByteArray
 import chat.rocket.android.util.extension.launchUI
 import chat.rocket.android.util.extensions.avatarUrl
-import chat.rocket.android.util.extensions.exhaustive
 import chat.rocket.android.util.retryIO
 import chat.rocket.common.RocketChatException
 import chat.rocket.common.model.RoomType
@@ -82,7 +80,6 @@ import kotlinx.coroutines.experimental.launch
 import kotlinx.coroutines.experimental.withContext
 import org.threeten.bp.Instant
 import timber.log.Timber
-import java.io.InputStream
 import java.util.*
 import javax.inject.Inject
 

app/src/main/java/chat/rocket/android/chatroom/ui/ChatRoomFragment.kt

@@ -8,8 +8,10 @@ import android.content.Context
 import android.content.Intent
 import android.content.res.Configuration
 import android.graphics.drawable.Drawable
+import android.net.Uri
 import android.os.Bundle
 import android.os.Handler
+import android.provider.MediaStore
 import android.text.SpannableStringBuilder
 import android.view.KeyEvent
 import android.view.LayoutInflater
@@ -23,6 +25,7 @@ import android.widget.FrameLayout
 import android.widget.ImageView
 import android.widget.TextView
 import androidx.annotation.DrawableRes
+import androidx.core.content.FileProvider
 import androidx.core.text.bold
 import androidx.core.view.isVisible
 import androidx.fragment.app.Fragment
@@ -73,6 +76,8 @@ import chat.rocket.android.util.extensions.rotateBy
 import chat.rocket.android.util.extensions.showToast
 import chat.rocket.android.util.extensions.textContent
 import chat.rocket.android.util.extensions.ui
+import chat.rocket.android.util.extension.createImageFile
+import chat.rocket.android.util.extensions.getBitmpap
 import chat.rocket.common.model.RoomType
 import chat.rocket.common.model.roomTypeOf
 import chat.rocket.core.internal.realtime.socket.model.State
@@ -86,6 +91,9 @@ import kotlinx.android.synthetic.main.fragment_chat_room.*
 import kotlinx.android.synthetic.main.message_attachment_options.*
 import kotlinx.android.synthetic.main.message_composer.*
 import kotlinx.android.synthetic.main.message_list.*
+import timber.log.Timber
+import java.io.File
+import java.io.IOException
 import kotlinx.android.synthetic.main.reaction_praises_list_item.*
 import java.util.concurrent.TimeUnit
 import java.util.concurrent.atomic.AtomicInteger
@@ -125,6 +133,7 @@ private const val BUNDLE_CHAT_ROOM_TYPE = "chat_room_type"
 private const val BUNDLE_IS_CHAT_ROOM_READ_ONLY = "is_chat_room_read_only"
 private const val REQUEST_CODE_FOR_PERFORM_SAF = 42
 private const val REQUEST_CODE_FOR_DRAW = 101
+private const val REQUEST_CODE_FOR_PERFORM_CAMERA = 102
 private const val BUNDLE_CHAT_ROOM_LAST_SEEN = "chat_room_last_seen"
 private const val BUNDLE_CHAT_ROOM_IS_SUBSCRIBED = "chat_room_is_subscribed"
 private const val BUNDLE_CHAT_ROOM_IS_CREATOR = "chat_room_is_creator"
@@ -196,6 +205,7 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
     internal val description by lazy { dialogView.findViewById<EditText>(R.id.text_file_description) }
     internal val audioVideoAttachment by lazy { dialogView.findViewById<FrameLayout>(R.id.audio_video_attachment) }
     internal val textFile by lazy { dialogView.findViewById<TextView>(R.id.text_file_name) }
+    private var takenPhotoUri: Uri? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -284,12 +294,19 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, resultData: Intent?) {
-        if (resultData != null && resultCode == Activity.RESULT_OK) {
+        if (resultCode == Activity.RESULT_OK) {
             when (requestCode) {
-                REQUEST_CODE_FOR_PERFORM_SAF -> showFileAttachmentDialog(resultData.data)
-                REQUEST_CODE_FOR_DRAW -> showDrawAttachmentDialog(
-                    resultData.getByteArrayExtra(DRAWING_BYTE_ARRAY_EXTRA_DATA)
-                )
+                REQUEST_CODE_FOR_PERFORM_CAMERA -> takenPhotoUri?.let { uri ->
+                    uri.getBitmpap(requireContext())?.let { bitmap ->
+                        presenter.uploadImage(chatRoomId, "image/png", uri, bitmap, "")
+                    }
+                }
+                REQUEST_CODE_FOR_PERFORM_SAF -> resultData?.data?.let {
+                    showFileAttachmentDialog(it)
+                }
+                REQUEST_CODE_FOR_DRAW -> resultData?.getByteArrayExtra(DRAWING_BYTE_ARRAY_EXTRA_DATA)?.let {
+                    showDrawAttachmentDialog(it)
+                }
             }
         }
     }
@@ -884,7 +901,19 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
                 hideAttachmentOptions()
             }
 
-            button_files.setOnClickListener {
+            button_add_reaction.setOnClickListener { _ ->
+                openEmojiKeyboardPopup()
+            }
+
+            button_take_a_photo.setOnClickListener {
+                dispatchTakePictureIntent()
+
+                handler.postDelayed({
+                    hideAttachmentOptions()
+                }, 400)
+            }
+
+            button_attach_a_file.setOnClickListener {
                 handler.postDelayed({
                     presenter.selectFile()
                 }, 200)
@@ -894,10 +923,6 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
                 }, 400)
             }
 
-            button_add_reaction.setOnClickListener { _ ->
-                openEmojiKeyboardPopup()
-            }
-
             button_drawing.setOnClickListener {
                 activity?.let { fragmentActivity ->
                     if (!ImageHelper.canWriteToExternalStorage(fragmentActivity)) {
@@ -915,6 +940,26 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
         }
     }
 
+    private fun dispatchTakePictureIntent() {
+        Intent(MediaStore.ACTION_IMAGE_CAPTURE).also { takePictureIntent ->
+            // Create the File where the photo should go
+            val photoFile: File? = try {
+                activity?.createImageFile()
+            } catch (ex: IOException) {
+                Timber.e(ex)
+                null
+            }
+            // Continue only if the File was successfully created
+            photoFile?.also {
+                takenPhotoUri = FileProvider.getUriForFile(
+                    requireContext(), "chat.rocket.android.fileprovider", it
+                )
+                takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, takenPhotoUri)
+                startActivityForResult(takePictureIntent, REQUEST_CODE_FOR_PERFORM_CAMERA)
+            }
+        }
+    }
+
     private fun getUnfinishedMessage() {
         val unfinishedMessage = presenter.getUnfinishedMessage(chatRoomId)
         if (unfinishedMessage.isNotBlank()) {

app/src/main/java/chat/rocket/android/profile/ui/ProfileFragment.kt

@@ -217,7 +217,7 @@ class ProfileFragment : Fragment(), ProfileView, ActionMode.Callback {
             hideUpdateAvatarOptions()
         }
 
-        button_take_photo.setOnClickListener {
+        button_take_a_photo.setOnClickListener {
             dispatchTakePicture(REQUEST_CODE_FOR_PERFORM_CAMERA)
             hideUpdateAvatarOptions()
         }

app/src/main/res/layout/message_attachment_options.xml

@@ -6,14 +6,24 @@
     android:orientation="vertical">
 
     <Button
-        android:id="@+id/button_files"
+        android:id="@+id/button_take_a_photo"
+        style="?android:attr/borderlessButtonStyle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:drawablePadding="20dp"
+        android:drawableStart="@drawable/ic_photo_camera_black_24dp"
+        android:gravity="start|center"
+        android:text="@string/action_take_a_photo" />
+
+    <Button
+        android:id="@+id/button_attach_a_file"
         style="?android:attr/borderlessButtonStyle"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:drawablePadding="20dp"
         android:drawableStart="@drawable/ic_files_24dp"
         android:gravity="start|center"
-        android:text="@string/action_files" />
+        android:text="@string/action_attach_a_files" />
 
     <Button
         android:id="@+id/button_drawing"

app/src/main/res/layout/update_avatar_options.xml

@@ -16,14 +16,14 @@
         android:text="@string/action_select_photo_from_gallery" />
 
     <Button
-        android:id="@+id/button_take_photo"
+        android:id="@+id/button_take_a_photo"
         style="?android:attr/borderlessButtonStyle"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:drawableStart="@drawable/ic_photo_camera_black_24dp"
         android:drawablePadding="20dp"
         android:gravity="start|center"
-        android:text="@string/action_take_photo" />
+        android:text="@string/action_take_a_photo" />
 
     <Button
         android:id="@+id/button_reset_avatar"

app/src/main/res/values-de/strings.xml

@@ -35,7 +35,7 @@
     <string name="action_create_channel">Erstelle Raum</string>
     <string name="action_create">Erstelle</string>
     <string name="action_logout">Abmelden</string>
-    <string name="action_files">Dateien</string>
+    <string name="action_attach_a_files">Attach a file</string> <!-- TODO Add translation -->
     <string name="action_confirm_password">Bestätige Passwort Änderung</string>
     <string name="action_join_chat">Trete Chat bei</string>
     <string name="action_add_account">Erstelle Account</string>
@@ -46,7 +46,7 @@
     <string name="action_drawing">Zeichnung</string>
     <string name="action_save_to_gallery">Sichern in Gallerie</string>
     <string name="action_select_photo_from_gallery">Select photo from gallery</string> <!-- TODO Add translation -->
-    <string name="action_take_photo">Select photo from gallery</string> <!-- TODO Add translation -->
+    <string name="action_take_a_photo">Take a photo from galery</string> <!-- TODO Add translation -->
     <string name="action_reset_avatar">Reset avatar</string> <!-- TODO Add translation -->
     <string name="action_connect_server">Connect with a server</string> <!-- TODO Add translation -->
     <string name="action_join_community">Join in the community</string> <!-- TODO Add translation -->

app/src/main/res/values-es/strings.xml

@@ -34,7 +34,7 @@
     <string name="action_create_channel">Crear canal</string>
     <string name="action_create">Create</string>
     <string name="action_logout">Cerrar sesión</string>
-    <string name="action_files">Archivos</string>
+    <string name="action_attach_a_files">Attach a file</string> <!-- TODO Add translation -->
     <string name="action_confirm_password">Confirmar cambio de contraseña</string>
     <string name="action_join_chat">Unirse al chat</string>
     <string name="action_add_account">Añadir cuenta</string>
@@ -45,7 +45,7 @@
     <string name="action_drawing">Dibujo</string>
     <string name="action_save_to_gallery">Guardar en la galería</string>
     <string name="action_select_photo_from_gallery">Select photo from gallery</string> <!-- TODO Add translation -->
-    <string name="action_take_photo">Select photo from gallery</string> <!-- TODO Add translation -->
+    <string name="action_take_a_photo">Take a photo</string> <!-- TODO Add translation -->
     <string name="action_reset_avatar">Reset avatar</string> <!-- TODO Add translation -->
     <string name="action_connect_server">Connect with a server</string> <!-- TODO Add translation -->
     <string name="action_join_community">Join in the community</string> <!-- TODO Add translation -->

app/src/main/res/values-fr/strings.xml

@@ -35,7 +35,7 @@
     <string name="action_create_channel">Créer salon</string>
     <string name="action_create">Créer</string>
     <string name="action_logout">Se déconnecter</string>
-    <string name="action_files">Fichiers</string>
+    <string name="action_attach_a_files">Attach a file</string> <!-- TODO Add translation -->
     <string name="action_confirm_password">Confirmer le mot de passe</string>
     <string name="action_join_chat">Rejoignez le chat</string>
     <string name="action_add_account">Ajouter un compte</string>
@@ -46,7 +46,7 @@
     <string name="action_drawing">Dessin</string>
     <string name="action_save_to_gallery">Sauvegarder vers la gallerie</string>
     <string name="action_select_photo_from_gallery">Sélectionner depuis la gallerie</string>
-    <string name="action_take_photo">Prendre une photo</string>
+    <string name="action_take_a_photo">Prendre une photo</string>
     <string name="action_reset_avatar">Réinitialiser l\'avatar</string>
     <string name="action_connect_server">Connect with a server</string> <!-- TODO Add translation -->
     <string name="action_join_community">Join in the community</string> <!-- TODO Add translation -->

app/src/main/res/values-hi-rIN/strings.xml

@@ -35,7 +35,7 @@
     <string name="action_create_channel">चैनल बनाएं</string>
     <string name="action_create">बनाएं</string>
     <string name="action_logout">लोग आउट करें</string>
-    <string name="action_files">फ़ाइलें</string>
+    <string name="action_attach_a_files">Attach a file</string> <!-- TODO Add translation -->
     <string name="action_confirm_password">पासवर्ड परिवर्तन की पुष्टि करें</string>
     <string name="action_join_chat">चैट में शामिल हों</string>
     <string name="action_add_account">खाता जोड़ो</string>
@@ -46,7 +46,7 @@
     <string name="action_save_to_gallery">गैलरी में सहेजें</string>
     <string name="action_drawing">चित्रकारी</string>
     <string name="action_select_photo_from_gallery">गैलरी से फोटो का चयन करें</string>
-    <string name="action_take_photo">फोटो खेचिये</string>
+    <string name="action_take_a_photo">फोटो खेचिये</string>
     <string name="action_reset_avatar">अवतार रीसेट करें</string>
     <string name="action_connect_server">सर्वर से कनेक्ट करें</string>
     <string name="action_join_community">समुदाय में शामिल हों</string>

app/src/main/res/values-it/strings.xml

@@ -35,7 +35,7 @@
     <string name="action_create_channel">Crea canale</string>
     <string name="action_create">Crea</string>
     <string name="action_logout">Disconnettersi</string>
-    <string name="action_files">Documenti</string>
+    <string name="action_attach_a_files">Attach a file</string> <!-- TODO ADD translation -->
     <string name="action_confirm_password">Conferma Cambio Password</string>
     <string name="action_join_chat">Iscriviti alla stanza</string>
     <string name="action_add_account">Aggiungi utente</string>
@@ -46,7 +46,7 @@
     <string name="action_drawing">Disegno</string>
     <string name="action_save_to_gallery">Salva in galleria</string>
     <string name="action_select_photo_from_gallery">Seleziona foto dalla galleria</string>
-    <string name="action_take_photo">Fare foto</string>
+    <string name="action_take_a_photo">Take a photo</string> <!-- TODO ADD translation -->
     <string name="action_reset_avatar">Reimposta avatar</string>
     <string name="action_connect_server">Collegati a un server</string>
     <string name="action_join_community">Entra nella community</string>

app/src/main/res/values-ja/strings.xml

@@ -26,9 +26,6 @@
     <string name="title_create_channel">新しいチャネルを作成</string>
     <string name="title_are_you_sure">本気ですか？</string>
 
-
-
-
     <!-- Actions -->
     <string name="action_connect">接続</string>
     <string name="action_use_this_username">このユーザー名を使用する</string>
@@ -40,7 +37,7 @@
     <string name="action_create_channel">チャンネル作成</string>
     <string name="action_create">作ります</string>
     <string name="action_logout">ログアウト</string>
-    <string name="action_files">ファイル</string>
+    <string name="action_attach_a_files">Attach a file</string> <!-- TODO Add translation -->
     <string name="action_confirm_password">変更したパスワードの確認</string>
     <string name="action_join_chat">チャットに参加</string>
     <string name="action_add_account">サーバーの追加</string>
@@ -51,7 +48,7 @@
     <string name="action_drawing">絵を描く</string>
     <string name="action_save_to_gallery">ギャラリーに保存</string>
     <string name="action_select_photo_from_gallery">ギャラリーの写真を選択</string>
-    <string name="action_take_photo">写真を撮る</string>
+    <string name="action_take_a_photo">写真を撮る</string>
     <string name="action_reset_avatar">アバターをリセット</string>
     <string name="action_connect_server">サーバーに接続</string>
     <string name="action_join_community">コミュニティに参加</string>

app/src/main/res/values-pt-rBR/strings.xml

@@ -35,7 +35,7 @@
     <string name="action_create_channel">Criar chat</string>
     <string name="action_create">Criar</string>
     <string name="action_logout">Sair</string>
-    <string name="action_files">Arquivos</string>
+    <string name="action_attach_a_files">Anexar um arquivo</string>
     <string name="action_confirm_password">Confirme a nova senha</string>
     <string name="action_join_chat">Entrar no Chat</string>
     <string name="action_add_account">Adicionar conta</string>
@@ -46,7 +46,7 @@
     <string name="action_drawing">Desenhando</string>
     <string name="action_save_to_gallery">Salvar na galeria</string>
     <string name="action_select_photo_from_gallery">Escolher foto da galeria</string>
-    <string name="action_take_photo">Tirar foto</string>
+    <string name="action_take_a_photo">Tirar uma foto</string>
     <string name="action_reset_avatar">Resetar avatar</string>
     <string name="action_connect_server">Conectar com um servidor</string>
     <string name="action_join_community">Junte-se à comunidade</string>

app/src/main/res/values-ru-rRU/strings.xml

@@ -35,7 +35,7 @@
     <string name="action_create_channel">Создать канал</string>
     <string name="action_create">Создать</string>
     <string name="action_logout">Выйти</string>
-    <string name="action_files">Файлы</string>
+    <string name="action_attach_a_files">Attach a file</string> <!-- TODO Add translation -->
     <string name="action_confirm_password">Подтверждение изменения пароля</string>
     <string name="action_join_chat">Присоединиться к чату</string>
     <string name="action_add_account">Добавить аккаунт</string>
@@ -46,7 +46,7 @@
     <string name="action_drawing">Рисунок</string>
     <string name="action_save_to_gallery">Сохранить в галерею</string>
     <string name="action_select_photo_from_gallery">Выбрать из галереи</string>
-    <string name="action_take_photo">Сделать снимок</string>
+    <string name="action_take_a_photo">Сделать снимок</string>
     <string name="action_reset_avatar">Восстановить аватар</string>
     <string name="action_connect_server">Соединиться с сервером</string>
     <string name="action_join_community">Сообщество</string>

app/src/main/res/values-tr/strings.xml

@@ -35,7 +35,7 @@
     <string name="action_create_channel">Yeni Kanal Oluştur</string>
     <string name="action_create">Oluştur</string>
     <string name="action_logout">Çıkış Yap</string>
-    <string name="action_files">Dosyalar</string>
+    <string name="action_attach_a_files">Attach a file</string> <!-- TODO Add translation -->
     <string name="action_confirm_password">Şifre Değişikliğini Onaylayın</string>
     <string name="action_join_chat">Sohbete Bağlan</string>
     <string name="action_add_account">Hesap Ekle</string>
@@ -46,7 +46,7 @@
     <string name="action_drawing">Çizim</string>
     <string name="action_save_to_gallery">Galeriye kaydet</string>
     <string name="action_select_photo_from_gallery">Galeriden resim seç</string>
-    <string name="action_take_photo">Fotoğraf çek</string>
+    <string name="action_take_a_photo">Fotoğraf çek</string>
     <string name="action_reset_avatar">Avatarı kaldır</string>
     <string name="action_connect_server">Connect with a server</string> <!-- TODO Add translation -->
     <string name="action_join_community">Join in the community</string> <!-- TODO Add translation -->

app/src/main/res/values-uk/strings.xml

@@ -35,7 +35,7 @@
     <string name="action_create_channel">Створити канал</string>
     <string name="action_create">Створити</string>
     <string name="action_logout">Вийти</string>
-    <string name="action_files">Файли</string>
+    <string name="action_attach_a_files">Attach a file</string> <!-- TODO Add translation -->
     <string name="action_confirm_password">Підтвердження зміни пароля</string>
     <string name="action_join_chat">Приєднатися до чату</string>
     <string name="action_add_account">Додати аккаунт</string>
@@ -46,7 +46,7 @@
     <string name="action_drawing">Малюнок</string>
     <string name="action_save_to_gallery">Зберегти до галереї</string>
     <string name="action_select_photo_from_gallery">Вибрати з галереї</string>
-    <string name="action_take_photo">Зробити знімок</string>
+    <string name="action_take_a_photo">Зробити знімок</string>
     <string name="action_reset_avatar">Відновити аватар</string>
     <string name="action_connect_server">Connect with a server</string> <!-- TODO Add translation -->
     <string name="action_join_community">Join in the community</string> <!-- TODO Add translation -->

app/src/main/res/values/strings.xml

@@ -47,7 +47,7 @@ https://github.com/RocketChat/java-code-styles/blob/master/CODING_STYLE.md#strin
     <string name="action_create_channel">Create channel</string>
     <string name="action_create">Create</string>
     <string name="action_logout">Logout</string>
-    <string name="action_files">Files</string>
+    <string name="action_attach_a_files">Attach a file</string>
     <string name="action_confirm_password">Confirm Password Change</string>
     <string name="action_join_chat">Join Chat</string>
     <string name="action_add_account">Add account</string>
@@ -58,7 +58,7 @@ https://github.com/RocketChat/java-code-styles/blob/master/CODING_STYLE.md#strin
     <string name="action_drawing">Drawing</string>
     <string name="action_save_to_gallery">Save to gallery</string>
     <string name="action_select_photo_from_gallery">Select photo from gallery</string>
-    <string name="action_take_photo">Take photo</string>
+    <string name="action_take_a_photo">Take a photo</string>
     <string name="action_reset_avatar">Reset avatar</string>
     <string name="action_connect_server">Connect with a server</string>
     <string name="action_join_community">Join in the community</string>

app/src/main/res/xml/file_paths.xml

+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <external-path
+        name="rocket_chat_images"
+        path="Android/data/chat.rocket.android/files/Pictures" />
+</paths>
\ No newline at end of file

util/src/main/java/chat/rocket/android/util/extension/Image.kt

@@ -2,13 +2,19 @@ package chat.rocket.android.util.extension
 
 import android.content.Intent
 import android.graphics.Bitmap
+import android.os.Environment
 import android.provider.MediaStore
 import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentActivity
 import kotlinx.coroutines.experimental.DefaultDispatcher
 import kotlinx.coroutines.experimental.withContext
 import java.io.ByteArrayInputStream
 import java.io.ByteArrayOutputStream
 import java.io.InputStream
+import java.io.IOException
+import java.io.File
+import java.text.SimpleDateFormat
+import java.util.*
 
 /**
  * Compress a [Bitmap] image.
@@ -104,4 +110,16 @@ fun Fragment.dispatchTakePicture(requestCode: Int) {
     if (takePictureIntent.resolveActivity(context?.packageManager) != null) {
         startActivityForResult(takePictureIntent, requestCode)
     }
+}
+
+@Throws(IOException::class)
+fun FragmentActivity.createImageFile(): File {
+    // Create an image file name
+    val timeStamp: String = SimpleDateFormat("yyyyMMdd_HHmmss").format(Date())
+    val storageDir: File =  getExternalFilesDir(Environment.DIRECTORY_PICTURES)
+    return File.createTempFile(
+        "PNG_${timeStamp}_", /* prefix */
+        ".png", /* suffix */
+        storageDir /* directory */
+    )
 }
\ No newline at end of file