Separated background color functionality from Clear action

app/src/main/java/com/simplemobiletools/draw/MyCanvas.java

@@ -14,8 +14,6 @@ import java.util.LinkedHashMap;
 import java.util.Map;
 
 public class MyCanvas extends View {
-    private Paint mBackgroundPaint;
-
     private Paint mPaint;
     private Path mPath;
     private Map<Path, Integer> mPaths;
@@ -30,10 +28,6 @@ public class MyCanvas extends View {
     public MyCanvas(Context context, AttributeSet attrs) {
         super(context, attrs);
 
-        mBackgroundPaint = new Paint();
-        mBackgroundPaint.setColor(Color.WHITE);
-        mBackgroundPaint.setStyle(Paint.Style.FILL);
-
         mPath = new Path();
         mPaint = new Paint();
         mPaint.setColor(Color.BLACK);
@@ -66,10 +60,6 @@ public class MyCanvas extends View {
         invalidate();
     }
 
-    public int getBackgroundColor() {
-        return mBackgroundPaint.getColor();
-    }
-
     public void setColor(int newColor) {
         mColor = newColor;
     }
@@ -86,9 +76,6 @@ public class MyCanvas extends View {
     protected void onDraw(Canvas canvas) {
         super.onDraw(canvas);
 
-        // Clear canvas background
-        canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), mBackgroundPaint);
-
         for (Map.Entry<Path, Integer> entry : mPaths.entrySet()) {
             mPaint.setColor(entry.getValue());
             canvas.drawPath(entry.getKey(), mPaint);
@@ -98,9 +85,7 @@ public class MyCanvas extends View {
         canvas.drawPath(mPath, mPaint);
     }
 
-    public void clearCanvas(int color) {
-        mBackgroundPaint.setColor(color);
-
+    public void clearCanvas() {
         mPath.reset();
         mPaths.clear();
         pathsUpdated();

app/src/main/java/com/simplemobiletools/draw/activities/MainActivity.java

@@ -5,6 +5,7 @@ import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
 import android.graphics.Color;
+import android.graphics.drawable.ColorDrawable;
 import android.media.MediaScannerConnection;
 import android.net.Uri;
 import android.os.Bundle;
@@ -85,17 +86,21 @@ public class MainActivity extends SimpleActivity implements MyCanvas.PathsChange
                 startActivity(new Intent(getApplicationContext(), SettingsActivity.class));
                 return true;
             case R.id.clear:
-                AmbilWarnaDialog dialog = new AmbilWarnaDialog(this, mMyCanvas.getBackgroundColor(),
+                mMyCanvas.clearCanvas();
+                return true;
+            case R.id.change_background:
+                int oldColor = ((ColorDrawable)mMyCanvas.getBackground()).getColor();
+                AmbilWarnaDialog dialog = new AmbilWarnaDialog(this, oldColor,
                         new AmbilWarnaDialog.OnAmbilWarnaListener() {
-                    @Override
-                    public void onCancel(AmbilWarnaDialog dialog) {
-                    }
+                            @Override
+                            public void onCancel(AmbilWarnaDialog dialog) {
+                            }
 
-                    @Override
-                    public void onOk(AmbilWarnaDialog dialog, int pickedColor) {
-                        mMyCanvas.clearCanvas(pickedColor);
-                    }
-                });
+                            @Override
+                            public void onOk(AmbilWarnaDialog dialog, int pickedColor) {
+                                mMyCanvas.setBackgroundColor(pickedColor);
+                            }
+                        });
 
                 dialog.show();
                 return true;

app/src/main/res/menu/menu.xml

@@ -15,6 +15,10 @@
         android:id="@+id/clear"
         android:title="@string/clear"
         app:showAsAction="never"/>
+    <item
+        android:id="@+id/change_background"
+        android:title="@string/change_background"
+        app:showAsAction="never"/>
     <item
         android:id="@+id/settings"
         android:title="@string/settings"

app/src/main/res/values-es/strings.xml

@@ -17,6 +17,7 @@
     <string name="settings">Ajustes</string>
     <string name="dark_theme">Tema oscuro</string>
     <string name="clear">Limpiar</string>
+    <string name="change_background">Cambiar fondo</string>
 
     <!-- About -->
     <string name="about">Acerca de</string>

app/src/main/res/values/strings.xml

@@ -17,6 +17,7 @@
     <string name="settings">Settings</string>
     <string name="dark_theme">Dark theme</string>
     <string name="clear">Clear</string>
+    <string name="change_background">Change background</string>
 
     <!-- About -->
     <string name="about">About</string>