Mask

Author: AnupKumarPanwar

app/src/main/java/com/anupkumarpanwar/scratchview/MainActivity.java

@@ -5,19 +5,24 @@
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.View;
+import android.widget.Button;
 import android.widget.Toast;
 
 public class MainActivity extends AppCompatActivity {
 
     ScratchView scratchView;
+    Button mask;
 
     @RequiresApi(api = Build.VERSION_CODES.KITKAT)
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
+        mask = findViewById(R.id.mask);
         scratchView = findViewById(R.id.scratch_view);
+
         scratchView.setRevealListener(new ScratchView.IRevealListener() {
             @Override
             public void onRevealed(ScratchView scratchView) {
@@ -31,5 +36,12 @@ public void onRevealPercentChangedListener(ScratchView scratchView, float percen
                 }
             }
         });
+
+        mask.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                scratchView.mask();
+            }
+        });
     }
 }

app/src/main/res/layout/activity_main.xml

@@ -1,25 +1,36 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
+<RelativeLayout
     xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    tools:context=".MainActivity"
     android:gravity="center"
-    tools:context=".MainActivity">
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_height="match_parent"
+    android:layout_width="match_parent">
 
     <ImageView
-        android:gravity="center"
+        android:layout_centerInParent="true"
         android:layout_width="300dp"
         android:layout_height="300dp"
-        android:src="@drawable/anup"/>
+        android:gravity="center"
+        android:src="@drawable/anup" />
 
     <com.anupkumarpanwar.scratchview.ScratchView
+        android:layout_centerInParent="true"
         android:id="@+id/scratch_view"
         android:layout_width="300dp"
         android:layout_height="300dp"
-        app:tile_mode="CLAMP"
-        app:overlay_width="300dp"
         app:overlay_height="300dp"
-        />
+        app:overlay_width="300dp"
+        app:overlay_image="@drawable/scratch_card"
+        app:tile_mode="CLAMP" />
+
+    <Button
+        android:id="@+id/mask"
+        android:layout_alignParentBottom="true"
+        android:layout_width="match_parent"
+        android:layout_height="60dp"
+        android:gravity="center"
+        android:text="MASK" />
 
 </RelativeLayout>

scratchview/src/main/java/com/anupkumarpanwar/scratchview/ScratchView.java

@@ -102,6 +102,8 @@ public interface IRevealListener {
      */
     private int mThreadCount = 0;
 
+    Bitmap scratchBitmap;
+
 
     public ScratchView(Context context) {
         super(context);
@@ -163,7 +165,7 @@ private void init() {
             tileMode = "CLAMP";
         }
 
-        Bitmap scratchBitmap = BitmapFactory.decodeResource(getResources(), overlayImage);
+        scratchBitmap = BitmapFactory.decodeResource(getResources(), overlayImage);
         scratchBitmap = Bitmap.createScaledBitmap(scratchBitmap, (int) overlayWidth, (int) overlayHeight, false);
         mDrawable = new BitmapDrawable(getResources(), scratchBitmap);
 
@@ -179,7 +181,6 @@ private void init() {
                 break;
             default:
                 mDrawable.setTileModeXY(Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
-
         }
 
     }
@@ -220,7 +221,6 @@ protected void onDraw(Canvas canvas) {
         super.onDraw(canvas);
         canvas.drawBitmap(mScratchBitmap, 0, 0, mBitmapPaint);
         canvas.drawPath(mErasePath, mErasePaint);
-
     }
 
     private void touch_start(float x, float y) {
@@ -296,8 +296,14 @@ public void reveal() {
         clear();
     }
 
-    private void touch_up() {
+    public void mask() {
+        clear();
+        mRevealPercent = 0;
+        mCanvas.drawBitmap(scratchBitmap, 0, 0, mBitmapPaint);
+        invalidate();
+    }
 
+    private void touch_up() {
         drawPath();
     }
 
@@ -350,9 +356,7 @@ public boolean isRevealed() {
     }
 
     private void checkRevealed() {
-
         if (!isRevealed() && mRevealListener != null) {
-
             int[] bounds = getViewBounds();
             int left = bounds[0];
             int top = bounds[1];