Fix BookThumbnail and BootDetail preview.

app/src/main/java/com/pixelized/biblib/ui/composable/items/BookThumbnailComposable.kt

@@ -14,6 +14,7 @@ import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.ColorFilter
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.tooling.preview.Preview
@@ -22,15 +23,18 @@ import com.pixelized.biblib.R
 import com.pixelized.biblib.data.ui.BookThumbnailUio
 import com.pixelized.biblib.ui.theme.BibLibTheme
 import com.pixelized.biblib.ui.theme.Teal200
+import com.pixelized.biblib.utils.BitmapCache
 import com.pixelized.biblib.utils.extention.toImage
+import com.pixelized.biblib.utils.injection.Bob
 import com.pixelized.biblib.utils.mock.BookThumbnailMock
 
 
 @Preview
 @Composable
 fun BookThumbnailComposablePreview() {
-    val mock = BookThumbnailMock()
+    Bob[BitmapCache::class] = BitmapCache(LocalContext.current)
     BibLibTheme {
+        val mock = BookThumbnailMock()
         BookThumbnailComposable(thumbnail = mock.bookThumbnail)
     }
 }
@@ -38,8 +42,9 @@ fun BookThumbnailComposablePreview() {
 @Preview
 @Composable
 fun BookThumbnailComposablePreviewDark() {
-    val mock = BookThumbnailMock()
+    Bob[BitmapCache::class] = BitmapCache(LocalContext.current)
     BibLibTheme(darkTheme = true) {
+        val mock = BookThumbnailMock()
         BookThumbnailComposable(thumbnail = mock.bookThumbnail)
     }
 }

app/src/main/java/com/pixelized/biblib/ui/composable/pages/DetailPageComposable.kt

@@ -4,15 +4,14 @@ import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.Button
-import androidx.compose.material.ButtonDefaults
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.ColorFilter
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
@@ -22,16 +21,10 @@ import com.pixelized.biblib.data.ui.BookUio
 import com.pixelized.biblib.ui.composable.items.Image
 import com.pixelized.biblib.ui.theme.BibLibTheme
 import com.pixelized.biblib.ui.theme.Teal200
+import com.pixelized.biblib.utils.BitmapCache
+import com.pixelized.biblib.utils.injection.Bob
 import com.pixelized.biblib.utils.mock.BookMock
 
-@Preview
-@Composable
-fun DetailPageComposablePreview() {
-    BibLibTheme {
-        val mock = BookMock()
-        DetailPageComposable(mock.book)
-    }
-}
 
 @Composable
 fun DetailPageComposable(book: BookUio) {
@@ -134,4 +127,14 @@ fun DetailPageComposable(book: BookUio) {
             modifier = Modifier.padding(bottom = 16.dp)
         )
     }
+}
+
+@Preview
+@Composable
+fun DetailPageComposablePreview() {
+    Bob[BitmapCache::class] = BitmapCache(LocalContext.current)
+    BibLibTheme {
+        val mock = BookMock()
+        DetailPageComposable(mock.book)
+    }
 }

app/src/main/java/com/pixelized/biblib/utils/BitmapCache.kt

@@ -1,6 +1,6 @@
 package com.pixelized.biblib.utils
 
-import android.app.Application
+import android.content.Context
 import android.graphics.Bitmap
 import android.graphics.BitmapFactory
 import android.util.Log
@@ -12,12 +12,8 @@ import java.io.File
 import java.io.IOException
 import java.net.URL
 
-class BitmapCache(application: Application) {
+class BitmapCache(context: Context) {
-    private var cache: File? = null
+    private var cache: File? = context.cacheDir
-
-    init {
-        cache = application.cacheDir
-    }
 
     fun writeToDisk(url: URL, bitmap: Bitmap) {
         val path = cache?.absolutePath + url.file