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.*
 
@@ -27,39 +28,51 @@ object BitmapUtils {
      */
     @Throws(IOException::class)
     fun decodeBitmap(path: String, width: Int, height: Int): Bitmap {
-        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;
+        val fis = FileInputStream(path)
-        op.inJustDecodeBounds = true
+        return fis.use {
-        BitmapFactory.decodeFile(path, op)
+            val op = BitmapFactory.Options()
-        //获取比例大小
+            // 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;
-        val wRatio = ceil((op.outWidth / width).toDouble()).toInt()
+            op.inJustDecodeBounds = true
-        val hRatio = ceil((op.outHeight / height).toDouble()).toInt()
+            BitmapFactory.decodeFileDescriptor(fis.fd, null, op)
-        //如果超出指定大小，则缩小相应的比例
+            //获取比例大小
-        if (wRatio > 1 && hRatio > 1) {
+            val wRatio = ceil((op.outWidth / width).toDouble()).toInt()
-            if (wRatio > hRatio) {
+            val hRatio = ceil((op.outHeight / height).toDouble()).toInt()
-                op.inSampleSize = wRatio
+            //如果超出指定大小，则缩小相应的比例
-            } else {
+            if (wRatio > 1 && hRatio > 1) {
-                op.inSampleSize = hRatio
+                if (wRatio > hRatio) {
+                    op.inSampleSize = wRatio
+                } else {
+                    op.inSampleSize = hRatio
+                }
             }
+            op.inJustDecodeBounds = false
+            BitmapFactory.decodeFileDescriptor(fis.fd, null, op)
+
         }
-        op.inJustDecodeBounds = false
-        return BitmapFactory.decodeFile(path, op)
     }
 
     @Throws(IOException::class)
     fun decodeBitmap(path: String, width: Int): Bitmap {
-        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;
+        val fis = FileInputStream(path)
-        op.inJustDecodeBounds = true
+
-        BitmapFactory.decodeFile(path, op)
+        return fis.use {
-        //获取比例大小
+            val op = BitmapFactory.Options()
-        val wRatio = ceil((op.outWidth / width).toDouble()).toInt()
+            // 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;
-        //如果超出指定大小，则缩小相应的比例
+            op.inJustDecodeBounds = true
-        if (wRatio > 1) {
+
-            op.inSampleSize = wRatio
+            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
+            if (wRatio > 1) {
+                op.inSampleSize = wRatio
+            }
+            op.inJustDecodeBounds = false
+            BitmapFactory.decodeFileDescriptor(fis.fd, null, op)
         }
-        op.inJustDecodeBounds = false
+
-        return BitmapFactory.decodeFile(path, op)
     }
 
     /** 从path中获取Bitmap图片
@@ -68,12 +81,17 @@ object BitmapUtils {
      */
     @Throws(IOException::class)
     fun decodeBitmap(path: String): Bitmap {
-        val opts = BitmapFactory.Options()
+        val fis = FileInputStream(path)
-        opts.inJustDecodeBounds = true
+        return fis.use {
-        BitmapFactory.decodeFile(path, opts)
+            val opts = BitmapFactory.Options()
-        opts.inSampleSize = computeSampleSize(opts, -1, 128 * 128)
+            opts.inJustDecodeBounds = true
-        opts.inJustDecodeBounds = false
+
-        return BitmapFactory.decodeFile(path, opts)
+            BitmapFactory.decodeFileDescriptor(fis.fd, null, opts)
+            opts.inSampleSize = computeSampleSize(opts, -1, 128 * 128)
+            opts.inJustDecodeBounds = false
+            BitmapFactory.decodeFileDescriptor(fis.fd, null, opts)
+        }
+
     }
 
     /**