Add support for pickUsing framework Fragments

scissors/src/main/java/com/lyft/android/scissors/CropView.java

@@ -16,6 +16,7 @@
 package com.lyft.android.scissors;
 
 import android.app.Activity;
+import android.app.Fragment;
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Bitmap;
@@ -32,8 +33,10 @@
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.widget.ImageView;
+
 import com.lyft.android.scissors.CropViewExtensions.CropRequest;
 import com.lyft.android.scissors.CropViewExtensions.LoadRequest;
+
 import java.io.File;
 import java.io.OutputStream;
 
@@ -317,5 +320,12 @@ public CropRequest crop() {
         public void pickUsing(@NonNull Activity activity, int requestCode) {
             CropViewExtensions.pickUsing(activity, requestCode);
         }
+
+        /**
+         * Perform a pick image request using {@link Fragment#startActivityForResult(Intent, int)}.
+         */
+        public void pickUsing(@NonNull Fragment fragment, int requestCode) {
+            CropViewExtensions.pickUsing(fragment, requestCode);
+        }
     }
 }

scissors/src/main/java/com/lyft/android/scissors/CropViewExtensions.java

@@ -16,29 +16,39 @@
 package com.lyft.android.scissors;
 
 import android.app.Activity;
+import android.app.Fragment;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.Rect;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.view.ViewTreeObserver;
+
 import java.io.File;
 import java.io.OutputStream;
 import java.util.concurrent.Future;
 
 class CropViewExtensions {
 
     static void pickUsing(Activity activity, int requestCode) {
+        activity.startActivityForResult(
+                createChooserIntent(),
+                requestCode);
+    }
+
+    static void pickUsing(Fragment fragment, int requestCode) {
+        fragment.startActivityForResult(
+                createChooserIntent(),
+                requestCode);
+    }
+
+    private static Intent createChooserIntent() {
         Intent intent = new Intent();
         intent.setType("image/*");
         intent.setAction(Intent.ACTION_GET_CONTENT);
         intent.addCategory(Intent.CATEGORY_OPENABLE);
 
-        Intent chooserIntent = Intent.createChooser(intent, null);
-
-        activity.startActivityForResult(
-                chooserIntent,
-                requestCode);
+        return Intent.createChooser(intent, null);
     }
 
     public static class LoadRequest {