Merge pull request #1785 from ag2s20150909/master

使用decodeFileDescriptor替换decodeFile 避免两次创建FileInputStream，自动关闭FileInputStream。

app/src/main/java/io/legado/app/help/http/cronet/CronetInterceptor.kt

@@ -48,8 +48,8 @@ class CronetInterceptor(private val cookieJar: CookieJar?) : Interceptor {
         } else {
             OldCallback(request, call)
         }
-        buildRequest(request, callBack)?.let {
+        buildRequest(request, callBack)?.runCatching {
-            return callBack.waitForDone(it)
+            return callBack.waitForDone(this)
         }
         return null
     }

app/src/main/java/io/legado/app/utils/BitmapUtils.kt

@@ -9,6 +9,7 @@ import android.graphics.BitmapFactory
 import android.graphics.Color
 import android.graphics.Matrix
 import com.google.android.renderscript.Toolkit
+import java.io.FileInputStream
 import java.io.IOException
 import kotlin.math.*
 
@@ -27,10 +28,13 @@ object BitmapUtils {
      */
     @Throws(IOException::class)
     fun decodeBitmap(path: String, width: Int, height: Int): Bitmap {
+
+        val fis = FileInputStream(path)
+        return fis.use {
             val op = BitmapFactory.Options()
             // inJustDecodeBounds如果设置为true,仅仅返回图片实际的宽和高,宽和高是赋值给opts.outWidth,opts.outHeight;
             op.inJustDecodeBounds = true
-        BitmapFactory.decodeFile(path, op)
+            BitmapFactory.decodeFileDescriptor(fis.fd, null, op)
             //获取比例大小
             val wRatio = ceil((op.outWidth / width).toDouble()).toInt()
             val hRatio = ceil((op.outHeight / height).toDouble()).toInt()
@@ -43,15 +47,22 @@ object BitmapUtils {
                 }
             }
             op.inJustDecodeBounds = false
-        return BitmapFactory.decodeFile(path, op)
+            BitmapFactory.decodeFileDescriptor(fis.fd, null, op)
+
+        }
     }
 
     @Throws(IOException::class)
     fun decodeBitmap(path: String, width: Int): Bitmap {
+
+        val fis = FileInputStream(path)
+
+        return fis.use {
             val op = BitmapFactory.Options()
             // inJustDecodeBounds如果设置为true,仅仅返回图片实际的宽和高,宽和高是赋值给opts.outWidth,opts.outHeight;
             op.inJustDecodeBounds = true
-        BitmapFactory.decodeFile(path, op)
+
+            BitmapFactory.decodeFileDescriptor(fis.fd, null, op)
             //获取比例大小
             val wRatio = ceil((op.outWidth / width).toDouble()).toInt()
             //如果超出指定大小，则缩小相应的比例
@@ -59,7 +70,9 @@ object BitmapUtils {
                 op.inSampleSize = wRatio
             }
             op.inJustDecodeBounds = false
-        return BitmapFactory.decodeFile(path, op)
+            BitmapFactory.decodeFileDescriptor(fis.fd, null, op)
+        }
+
     }
 
     /** 从path中获取Bitmap图片
@@ -68,12 +81,17 @@ object BitmapUtils {
      */
     @Throws(IOException::class)
     fun decodeBitmap(path: String): Bitmap {
+        val fis = FileInputStream(path)
+        return fis.use {
             val opts = BitmapFactory.Options()
             opts.inJustDecodeBounds = true
-        BitmapFactory.decodeFile(path, opts)
+
+            BitmapFactory.decodeFileDescriptor(fis.fd, null, opts)
             opts.inSampleSize = computeSampleSize(opts, -1, 128 * 128)
             opts.inJustDecodeBounds = false
-        return BitmapFactory.decodeFile(path, opts)
+            BitmapFactory.decodeFileDescriptor(fis.fd, null, opts)
+        }
+
     }
 
     /**