diff --git a/app/build.gradle b/app/build.gradle
index 708148ded7..b796613550 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -38,7 +38,7 @@ android {
         minSdkVersion 16
         targetSdkVersion 25
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-        versionCode 14
+        versionCode 15
         versionName "0.3.2"
 
         buildConfigField "String", "COMMIT_COUNT", "\"${getCommitCount()}\""
@@ -112,12 +112,6 @@ dependencies {
 
     compile 'com.android.support:multidex:1.0.1'
 
-    // Job scheduling
-    compile 'com.evernote:android-job:1.1.3'
-    compile 'com.google.android.gms:play-services-gcm:9.8.0'
-
-    compile 'com.github.seven332:unifile:0.2.0'
-
     // ReactiveX
     compile 'io.reactivex:rxandroid:1.2.1'
     compile 'io.reactivex:rxjava:1.2.3'
@@ -145,12 +139,17 @@ dependencies {
     // JavaScript engine
     compile 'com.squareup.duktape:duktape-android:1.1.0'
 
-    // Disk cache
+    // Disk
     compile 'com.jakewharton:disklrucache:2.0.2'
+    compile 'com.github.seven332:unifile:1.0.0'
 
     // HTML parser
     compile 'org.jsoup:jsoup:1.10.1'
 
+    // Job scheduling
+    compile 'com.evernote:android-job:1.1.3'
+    compile 'com.google.android.gms:play-services-gcm:10.0.0'
+
     // Changelog
     compile 'com.github.gabrielemariotti.changeloglib:changelog:2.1.0'
 
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.kt b/app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.kt
index 8609097eb4..7314ed10c1 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.kt
@@ -2,8 +2,8 @@ package eu.kanade.tachiyomi.data.cache
 
 import android.content.Context
 import android.text.format.Formatter
+import com.github.salomonbrys.kotson.fromJson
 import com.google.gson.Gson
-import com.google.gson.reflect.TypeToken
 import com.jakewharton.disklrucache.DiskLruCache
 import eu.kanade.tachiyomi.data.source.model.Page
 import eu.kanade.tachiyomi.util.DiskUtil
@@ -11,9 +11,9 @@ import eu.kanade.tachiyomi.util.saveTo
 import okhttp3.Response
 import okio.Okio
 import rx.Observable
+import uy.kohesive.injekt.injectLazy
 import java.io.File
 import java.io.IOException
-import java.lang.reflect.Type
 
 /**
  * Class used to create chapter cache
@@ -26,15 +26,6 @@ import java.lang.reflect.Type
  */
 class ChapterCache(private val context: Context) {
 
-    /** Google Json class used for parsing JSON files.  */
-    private val gson: Gson = Gson()
-
-    /** Cache class used for cache management.  */
-    private val diskCache: DiskLruCache
-
-    /** Page list collection used for deserializing from JSON.  */
-    private val pageListCollection: Type = object : TypeToken<List<Page>>() {}.type
-
     companion object {
         /** Name of cache directory.  */
         const val PARAMETER_CACHE_DIRECTORY = "chapter_disk_cache"
@@ -49,38 +40,37 @@ class ChapterCache(private val context: Context) {
         const val PARAMETER_CACHE_SIZE = 75L * 1024 * 1024
     }
 
-    init {
-        // Open cache in default cache directory.
-        diskCache = DiskLruCache.open(
-                File(context.cacheDir, PARAMETER_CACHE_DIRECTORY),
-                PARAMETER_APP_VERSION,
-                PARAMETER_VALUE_COUNT,
-                PARAMETER_CACHE_SIZE)
-    }
+    /** Google Json class used for parsing JSON files.  */
+    private val gson: Gson by injectLazy()
+
+    /** Cache class used for cache management.  */
+    private val diskCache = DiskLruCache.open(
+            File(context.externalCacheDir, PARAMETER_CACHE_DIRECTORY),
+            PARAMETER_APP_VERSION,
+            PARAMETER_VALUE_COUNT,
+            PARAMETER_CACHE_SIZE)
 
     /**
      * Returns directory of cache.
-     * @return directory of cache.
      */
     val cacheDir: File
         get() = diskCache.directory
 
     /**
      * Returns real size of directory.
-     * @return real size of directory.
      */
     private val realSize: Long
         get() = DiskUtil.getDirectorySize(cacheDir)
 
     /**
      * Returns real size of directory in human readable format.
-     * @return real size of directory.
      */
     val readableSize: String
         get() = Formatter.formatFileSize(context, realSize)
 
     /**
      * Remove file from cache.
+     *
      * @param file name of file "md5.0".
      * @return status of deletion for the file.
      */
@@ -101,6 +91,7 @@ class ChapterCache(private val context: Context) {
 
     /**
      * Get page list from cache.
+     *
      * @param chapterUrl the url of the chapter.
      * @return an observable of the list of pages.
      */
@@ -111,13 +102,14 @@ class ChapterCache(private val context: Context) {
 
             // Convert JSON string to list of objects. Throws an exception if snapshot is null
             diskCache.get(key).use {
-                gson.fromJson(it.getString(0), pageListCollection)
+                gson.fromJson<List<Page>>(it.getString(0))
             }
         }
     }
 
     /**
      * Add page list to disk cache.
+     *
      * @param chapterUrl the url of the chapter.
      * @param pages list of pages.
      */
@@ -151,7 +143,8 @@ class ChapterCache(private val context: Context) {
     }
 
     /**
-     * Check if image is in cache.
+     * Returns true if image is in cache.
+     *
      * @param imageUrl url of image.
      * @return true if in cache otherwise false.
      */
@@ -164,22 +157,20 @@ class ChapterCache(private val context: Context) {
     }
 
     /**
-     * Get image path from url.
+     * Get image file from url.
+     *
      * @param imageUrl url of image.
      * @return path of image.
      */
-    fun getImagePath(imageUrl: String): File? {
-        try {
-            // Get file from md5 key.
-            val imageName = DiskUtil.hashKeyForDisk(imageUrl) + ".0"
-            return File(diskCache.directory, imageName)
-        } catch (e: IOException) {
-            return null
-        }
+    fun getImageFile(imageUrl: String): File {
+        // Get file from md5 key.
+        val imageName = DiskUtil.hashKeyForDisk(imageUrl) + ".0"
+        return File(diskCache.directory, imageName)
     }
 
     /**
      * Add image to cache.
+     * 
      * @param imageUrl url of image.
      * @param response http response from page.
      * @throws IOException image error.
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadProvider.kt b/app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadProvider.kt
index 77c2de04d1..8b7b1f0701 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadProvider.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadProvider.kt
@@ -41,8 +41,8 @@ class DownloadProvider(private val context: Context) {
      */
     internal fun getMangaDir(source: Source, manga: Manga): UniFile {
         return downloadsDir
-                .subFile(getSourceDirName(source))!!
-                .subFile(getMangaDirName(manga))!!
+                .createDirectory(getSourceDirName(source))
+                .createDirectory(getMangaDirName(manga))
     }
 
     /**
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt b/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt
index eef46535da..d2928eb3da 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt
@@ -247,7 +247,7 @@ class Downloader(private val context: Context, private val provider: DownloadPro
     private fun downloadChapter(download: Download): Observable<Download> {
         val chapterDirname = provider.getChapterDirName(download.chapter)
         val mangaDir = provider.getMangaDir(download.source, download.manga)
-        val tmpDir = mangaDir.subFile("${chapterDirname}_tmp")!!
+        val tmpDir = mangaDir.createDirectory("${chapterDirname}_tmp")
 
         val pageListObservable = if (download.pages == null) {
             // Pull page list from network and add them to download object
@@ -262,8 +262,6 @@ class Downloader(private val context: Context, private val provider: DownloadPro
 
         return pageListObservable
                 .doOnNext { pages ->
-                    tmpDir.ensureDir()
-
                     // Delete all temporary (unfinished) files
                     tmpDir.listFiles()
                             ?.filter { it.name!!.endsWith(".tmp") }
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/source/online/OnlineSource.kt b/app/src/main/java/eu/kanade/tachiyomi/data/source/online/OnlineSource.kt
index 189efba344..71152a0486 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/source/online/OnlineSource.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/source/online/OnlineSource.kt
@@ -417,7 +417,7 @@ abstract class OnlineSource() : Source {
                     }
                 }
                 .doOnNext {
-                    page.uri = Uri.fromFile(chapterCache.getImagePath(imageUrl))
+                    page.uri = Uri.fromFile(chapterCache.getImageFile(imageUrl))
                     page.status = Page.READY
                 }
                 .doOnError { page.status = Page.ERROR }
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/main/ChangelogDialogFragment.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/main/ChangelogDialogFragment.kt
index bed71e7e6f..0eeb10bc22 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/main/ChangelogDialogFragment.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/main/ChangelogDialogFragment.kt
@@ -14,23 +14,29 @@ import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.data.updater.UpdateCheckerJob
 import it.gmariotti.changelibs.library.view.ChangeLogRecyclerView
+import java.io.File
 
 class ChangelogDialogFragment : DialogFragment() {
 
     companion object {
-        fun show(preferences: PreferencesHelper, fragmentManager: FragmentManager) {
+        fun show(context: Context, preferences: PreferencesHelper, fm: FragmentManager) {
             val oldVersion = preferences.lastVersionCode().getOrDefault()
             if (oldVersion < BuildConfig.VERSION_CODE) {
                 preferences.lastVersionCode().set(BuildConfig.VERSION_CODE)
-                ChangelogDialogFragment().show(fragmentManager, "changelog")
+                ChangelogDialogFragment().show(fm, "changelog")
 
-                // FIXME Ugly check to restore jobs. Remove me in a few months :D
+                // TODO better upgrades management
                 if (oldVersion < 14) {
+                    // Restore jobs after upgrading to evernote's job scheduler.
                     if (BuildConfig.INCLUDE_UPDATER && preferences.automaticUpdates()) {
                         UpdateCheckerJob.setupTask()
                     }
                     LibraryUpdateJob.setupTask()
                 }
+                if (oldVersion < 15) {
+                    // Delete internal chapter cache dir.
+                    File(context.cacheDir, "chapter_disk_cache").deleteRecursively()
+                }
             }
         }
     }
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
index 868d7a0ab9..ff269b63b7 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
@@ -11,8 +11,8 @@ import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.ui.backup.BackupFragment
 import eu.kanade.tachiyomi.ui.base.activity.BaseActivity
 import eu.kanade.tachiyomi.ui.catalogue.CatalogueFragment
-import eu.kanade.tachiyomi.ui.latest_updates.LatestUpdatesFragment
 import eu.kanade.tachiyomi.ui.download.DownloadFragment
+import eu.kanade.tachiyomi.ui.latest_updates.LatestUpdatesFragment
 import eu.kanade.tachiyomi.ui.library.LibraryFragment
 import eu.kanade.tachiyomi.ui.recent_updates.RecentChaptersFragment
 import eu.kanade.tachiyomi.ui.recently_read.RecentlyReadFragment
@@ -79,7 +79,7 @@ class MainActivity : BaseActivity() {
             setSelectedDrawerItem(startScreenId)
 
             // Show changelog if needed
-            ChangelogDialogFragment.show(preferences, supportFragmentManager)
+            ChangelogDialogFragment.show(this, preferences, supportFragmentManager)
         }
     }
 
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt
index 46a73383fd..a2980ac4e6 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt
@@ -480,7 +480,7 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>() {
 
         val intent = Intent(Intent.ACTION_SEND).apply {
             putExtra(Intent.EXTRA_STREAM, page.uri)
-            flags = Intent.FLAG_ACTIVITY_NEW_TASK
+            flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_GRANT_READ_URI_PERMISSION
             type = "image/*"
         }
         startActivity(Intent.createChooser(intent, getString(R.string.action_share)))
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PageView.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PageView.kt
index 28ce3ac75a..1ffb7f3097 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PageView.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PageView.kt
@@ -2,7 +2,6 @@ package eu.kanade.tachiyomi.ui.reader.viewer.pager
 
 import android.content.Context
 import android.graphics.PointF
-import android.os.Build
 import android.util.AttributeSet
 import android.view.MotionEvent
 import android.view.View
@@ -24,7 +23,6 @@ import rx.Subscription
 import rx.android.schedulers.AndroidSchedulers
 import rx.subjects.PublishSubject
 import rx.subjects.SerializedSubject
-import java.io.File
 import java.util.concurrent.TimeUnit
 
 class PageView @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null)
@@ -216,12 +214,7 @@ class PageView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
             return
         }
 
-        val file = if (Build.VERSION.SDK_INT < 21 || UniFile.isFileUri(uri)) {
-            UniFile.fromFile(File(uri.path))
-        } else {
-            // Tree uri returns the root folder
-            UniFile.fromSingleUri(context, uri)
-        }!!
+        val file = UniFile.fromUri(context, uri)
         if (!file.exists()) {
             page.status = Page.ERROR
             return
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonHolder.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonHolder.kt
index 6a18a6ca98..c06d9d4404 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonHolder.kt
@@ -1,6 +1,5 @@
 package eu.kanade.tachiyomi.ui.reader.viewer.webtoon
 
-import android.os.Build
 import android.support.v7.widget.RecyclerView
 import android.view.MotionEvent
 import android.view.View
@@ -20,7 +19,6 @@ import rx.Subscription
 import rx.android.schedulers.AndroidSchedulers
 import rx.subjects.PublishSubject
 import rx.subjects.SerializedSubject
-import java.io.File
 import java.util.concurrent.TimeUnit
 
 /**
@@ -250,12 +248,7 @@ class WebtoonHolder(private val view: View, private val adapter: WebtoonAdapter)
             return
         }
 
-        val file = if (Build.VERSION.SDK_INT < 21 || UniFile.isFileUri(uri)) {
-            UniFile.fromFile(File(uri.path))
-        } else {
-            // Tree uri returns the root folder
-            UniFile.fromSingleUri(context, uri)
-        }!!
+        val file = UniFile.fromUri(context, uri)
         if (!file.exists()) {
             page?.status = Page.ERROR
             return
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsDownloadsFragment.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsDownloadsFragment.kt
index 327478b49a..d3d5b06928 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsDownloadsFragment.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsDownloadsFragment.kt
@@ -116,7 +116,7 @@ class SettingsDownloadsFragment : SettingsFragment() {
                 @Suppress("NewApi")
                 context.contentResolver.takePersistableUriPermission(uri, flags)
 
-                val file = UniFile.fromTreeUri(context, uri)
+                val file = UniFile.fromUri(context, uri)
                 preferences.downloadsDirectory().set(file.uri.toString())
             }
         }
diff --git a/app/src/main/res/xml/provider_paths.xml b/app/src/main/res/xml/provider_paths.xml
index 5817df3bcb..a75a3d1c3a 100644
--- a/app/src/main/res/xml/provider_paths.xml
+++ b/app/src/main/res/xml/provider_paths.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <paths>
-    <external-path name="pictures" path="Pictures" />
+    <external-path name="ext_files" path="." />
 </paths>
\ No newline at end of file