properly open svg files

app/src/main/kotlin/com/simplemobiletools/draw/MyPath.kt

@@ -5,7 +5,6 @@ import com.simplemobiletools.draw.actions.Action
 import com.simplemobiletools.draw.actions.Line
 import com.simplemobiletools.draw.actions.Move
 import com.simplemobiletools.draw.actions.Quad
-import java.io.IOException
 import java.io.ObjectInputStream
 import java.io.Serializable
 import java.security.InvalidParameterException
@@ -16,7 +15,6 @@ class MyPath : Path(), Serializable {
 
     private val actions = LinkedList<Action>()
 
-    @Throws(IOException::class, ClassNotFoundException::class)
     private fun readObject(inputStream: ObjectInputStream) {
         inputStream.defaultReadObject()
 
@@ -25,7 +23,6 @@ class MyPath : Path(), Serializable {
         }
     }
 
-    @Throws(InvalidParameterException::class)
     fun readObject(pathData: String) {
         val tokens = pathData.split("\\s+".toRegex()).dropLastWhile(String::isEmpty).toTypedArray()
         var i = 0

app/src/main/kotlin/com/simplemobiletools/draw/actions/Action.kt

@@ -1,14 +1,11 @@
 package com.simplemobiletools.draw.actions
 
 import android.graphics.Path
-
-import java.io.IOException
 import java.io.Serializable
 import java.io.Writer
 
 interface Action : Serializable {
     fun perform(path: Path)
 
-    @Throws(IOException::class)
     fun perform(writer: Writer)
 }

app/src/main/kotlin/com/simplemobiletools/draw/actions/Line.kt

@@ -1,8 +1,6 @@
 package com.simplemobiletools.draw.actions
 
 import android.graphics.Path
-
-import java.io.IOException
 import java.io.Writer
 import java.security.InvalidParameterException
 
@@ -11,9 +9,8 @@ class Line : Action {
     val x: Float
     val y: Float
 
-    @Throws(InvalidParameterException::class)
     constructor(data: String) {
-        if (data.startsWith("L"))
+        if (!data.startsWith("L"))
             throw InvalidParameterException("The Line data should start with 'L'.")
 
         try {
@@ -35,7 +32,6 @@ class Line : Action {
         path.lineTo(x, y)
     }
 
-    @Throws(IOException::class)
     override fun perform(writer: Writer) {
         writer.write("L")
         writer.write(x.toString())

app/src/main/kotlin/com/simplemobiletools/draw/actions/Move.kt

@@ -1,8 +1,6 @@
 package com.simplemobiletools.draw.actions
 
 import android.graphics.Path
-
-import java.io.IOException
 import java.io.Writer
 import java.security.InvalidParameterException
 
@@ -11,9 +9,8 @@ class Move : Action {
     val x: Float
     val y: Float
 
-    @Throws(InvalidParameterException::class)
     constructor(data: String) {
-        if (data.startsWith("M"))
+        if (!data.startsWith("M"))
             throw InvalidParameterException("The Move data should start with 'M'.")
 
         try {
@@ -35,7 +32,6 @@ class Move : Action {
         path.moveTo(x, y)
     }
 
-    @Throws(IOException::class)
     override fun perform(writer: Writer) {
         writer.write("M")
         writer.write(x.toString())

app/src/main/kotlin/com/simplemobiletools/draw/actions/Quad.kt

@@ -1,8 +1,6 @@
 package com.simplemobiletools.draw.actions
 
 import android.graphics.Path
-
-import java.io.IOException
 import java.io.Writer
 import java.security.InvalidParameterException
 
@@ -14,7 +12,7 @@ class Quad : Action {
     val y2: Float
 
     constructor(data: String) {
-        if (data.startsWith("Q"))
+        if (!data.startsWith("Q"))
             throw InvalidParameterException("The Quad data should start with 'Q'.")
 
         try {
@@ -43,7 +41,6 @@ class Quad : Action {
         path.quadTo(x1, y1, x2, y2)
     }
 
-    @Throws(IOException::class)
     override fun perform(writer: Writer) {
         writer.write("Q")
         writer.write(x1.toString())

app/src/main/kotlin/com/simplemobiletools/draw/activities/MainActivity.kt

@@ -20,6 +20,7 @@ import com.simplemobiletools.commons.helpers.LICENSE_KOTLIN
 import com.simplemobiletools.draw.BuildConfig
 import com.simplemobiletools.draw.MyCanvas
 import com.simplemobiletools.draw.R
+import com.simplemobiletools.draw.Svg
 import com.simplemobiletools.draw.dialogs.SaveImageDialog
 import com.simplemobiletools.draw.extensions.config
 import kotlinx.android.synthetic.main.activity_main.*
@@ -109,7 +110,7 @@ class MainActivity : SimpleActivity(), MyCanvas.PathsChangedListener {
     private fun openFile() {
         FilePickerDialog(this, curPath) {
             if (it.endsWith(".svg")) {
-
+                Svg.loadSvg(File(it), my_canvas)
             } else if (File(it).isImageSlow()) {
 
             } else {