From b08d925d877b5d3a98d59766a6ca7bfb069ee721 Mon Sep 17 00:00:00 2001
From: Adrian Moreno <adn.mrn.asn@gmail.com>
Date: Tue, 26 Jul 2016 17:56:18 +0200
Subject: [PATCH] Added clear canvas functionality

Method "clearCanvas" added to class MyCanvas. It will clear the path list and update the canvas status on screen.
---
 app/src/main/java/com/simplemobiletools/draw/MyCanvas.java | 7 +++++++
 .../simplemobiletools/draw/activities/MainActivity.java    | 3 +++
 app/src/main/res/menu/menu.xml                             | 4 ++++
 app/src/main/res/values/strings.xml                        | 1 +
 4 files changed, 15 insertions(+)

diff --git a/app/src/main/java/com/simplemobiletools/draw/MyCanvas.java b/app/src/main/java/com/simplemobiletools/draw/MyCanvas.java
index a53c11e..5402400 100644
--- a/app/src/main/java/com/simplemobiletools/draw/MyCanvas.java
+++ b/app/src/main/java/com/simplemobiletools/draw/MyCanvas.java
@@ -85,6 +85,13 @@ public class MyCanvas extends View {
         canvas.drawPath(mPath, mPaint);
     }
 
+    public void clearCanvas(){
+        mPath = new Path();
+        mPaths = new LinkedHashMap<>();
+        pathsUpdated();
+        invalidate();
+    }
+
     private void actionDown(float x, float y) {
         mPath.reset();
         mPath.moveTo(x, y);
diff --git a/app/src/main/java/com/simplemobiletools/draw/activities/MainActivity.java b/app/src/main/java/com/simplemobiletools/draw/activities/MainActivity.java
index 7da1661..3981cac 100644
--- a/app/src/main/java/com/simplemobiletools/draw/activities/MainActivity.java
+++ b/app/src/main/java/com/simplemobiletools/draw/activities/MainActivity.java
@@ -84,6 +84,9 @@ public class MainActivity extends SimpleActivity implements MyCanvas.PathsChange
             case R.id.settings:
                 startActivity(new Intent(getApplicationContext(), SettingsActivity.class));
                 return true;
+            case R.id.clear:
+                mMyCanvas.clearCanvas();
+                return true;
             case R.id.about:
                 startActivity(new Intent(getApplicationContext(), AboutActivity.class));
                 return true;
diff --git a/app/src/main/res/menu/menu.xml b/app/src/main/res/menu/menu.xml
index 628228b..c5b4435 100644
--- a/app/src/main/res/menu/menu.xml
+++ b/app/src/main/res/menu/menu.xml
@@ -15,6 +15,10 @@
         android:id="@+id/settings"
         android:title="@string/settings"
         app:showAsAction="never"/>
+    <item
+        android:id="@+id/clear"
+        android:title="@string/clear"
+        app:showAsAction="never"/>
     <item
         android:id="@+id/about"
         android:title="@string/about"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 494e181..18922c8 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -12,6 +12,7 @@
 
     <!-- Settings -->
     <string name="settings">Settings</string>
+    <string name="clear">Clear</string>
     <string name="dark_theme">Dark theme</string>
 
     <!-- About -->