Added rotation feature

Author: ishaquehassan

.DS_Store

@@ -5,13 +5,15 @@
 import android.app.FragmentManager;
 import android.content.Intent;
 import android.graphics.Bitmap;
+import android.graphics.Matrix;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
+import android.widget.ImageButton;
 import android.widget.ImageView;
 import android.widget.Toast;
 
@@ -30,8 +32,11 @@ public class ResultFragment extends Fragment {
     private Button MagicColorButton;
     private Button grayModeButton;
     private Button bwButton;
+    private ImageButton rotateLeftButton;
+    private ImageButton rotateRightButton;
     private Bitmap transformed;
     private static ProgressDialogFragment progressDialogFragment;
+    float currentRotation = 0;
 
     public ResultFragment() {
     }
@@ -43,6 +48,13 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle sa
         return view;
     }
 
+    public Bitmap RotateBitmap(Bitmap source, float angle)
+    {
+        Matrix matrix = new Matrix();
+        matrix.postRotate(angle);
+        return Bitmap.createBitmap(source, 0, 0, source.getWidth(), source.getHeight(), matrix, true);
+    }
+
     private void init() {
         scannedImageView = (ImageView) view.findViewById(R.id.scannedImage);
         originalButton = (Button) view.findViewById(R.id.original);
@@ -56,7 +68,27 @@ private void init() {
         Bitmap bitmap = getBitmap();
         setScannedImage(bitmap);
         doneButton = (Button) view.findViewById(R.id.doneButton);
+        rotateLeftButton = (ImageButton) view.findViewById(R.id.btnRLeft);
+        rotateRightButton = (ImageButton) view.findViewById(R.id.btnRRight);
         doneButton.setOnClickListener(new DoneButtonClickListener());
+        rotateLeftButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if(currentRotation == 360){
+                    currentRotation = -90;
+                }
+                setScannedImage(RotateBitmap(original,currentRotation+=90));
+            }
+        });
+        rotateRightButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if(currentRotation == 360){
+                    currentRotation = -90;
+                }
+                setScannedImage(RotateBitmap(original,currentRotation-=90));
+            }
+        });
     }
 
     private Bitmap getBitmap() {

ScanDemoExample/.DS_Store

@@ -29,7 +29,7 @@
             android:background="@android:color/transparent"
             android:drawableTop="@drawable/ic_enhamce_image"
             android:singleLine="true"
-            android:text="Magic color"
+            android:text="Color"
             android:textColor="@android:color/white" />
 
         <Button
@@ -40,7 +40,7 @@
             android:background="@android:color/transparent"
             android:drawableTop="@drawable/ic_gray"
             android:singleLine="true"
-            android:text="Gray Mode"
+            android:text="Gray"
             android:textColor="@android:color/white" />
 
         <Button
@@ -51,19 +51,48 @@
             android:background="@android:color/transparent"
             android:drawableTop="@drawable/ic_black_and_white"
             android:singleLine="true"
-            android:text="B and W"
+            android:text="B/W"
             android:textColor="@android:color/white" />
     </LinearLayout>
 
-    <Button
-        android:id="@+id/doneButton"
-        android:layout_width="fill_parent"
-        android:layout_height="wrap_content"
-        android:layout_alignParentBottom="true"
-        android:background="@color/bottom_background_color"
+    <LinearLayout
         android:orientation="horizontal"
-        android:padding="@dimen/bottom_bar_padding"
-        android:text="@string/done" />
+        android:layout_alignParentBottom="true"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <ImageButton
+            android:scaleType="centerInside"
+            android:id="@+id/btnRLeft"
+            android:src="@drawable/rotating_left"
+            android:layout_width="70dp"
+            android:background="@color/bottom_background_color"
+            android:padding="@dimen/bottom_bar_padding"
+            android:layout_marginRight="10dp"
+            android:layout_height="match_parent" />
+
+        <Button
+            android:id="@+id/doneButton"
+            android:layout_width="0dp"
+            android:layout_weight="1"
+            android:layout_height="wrap_content"
+            android:background="@color/bottom_background_color"
+            android:orientation="horizontal"
+            android:padding="@dimen/bottom_bar_padding"
+            android:text="@string/done" />
+
+        <ImageButton
+            android:scaleType="centerInside"
+            android:id="@+id/btnRRight"
+            android:src="@drawable/rotating_right"
+            android:layout_width="70dp"
+            android:background="@color/bottom_background_color"
+            android:padding="@dimen/bottom_bar_padding"
+            android:layout_marginLeft="10dp"
+            android:layout_height="match_parent" />
+
+    </LinearLayout>
+
 
 
     <FrameLayout