From 00f1f80d1a90a6eb56cdab6c3e036ca1775d0085 Mon Sep 17 00:00:00 2001
From: DjBushido <bspeice.nc@gmail.com>
Date: Mon, 24 Mar 2014 10:07:09 -0400
Subject: [PATCH] Add methods to be used by both button presses and gesture
 detection

---
 HW4/src/com/example/hw4/ImageViewerActivity.java | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/HW4/src/com/example/hw4/ImageViewerActivity.java b/HW4/src/com/example/hw4/ImageViewerActivity.java
index 7131563..aa8cf78 100644
--- a/HW4/src/com/example/hw4/ImageViewerActivity.java
+++ b/HW4/src/com/example/hw4/ImageViewerActivity.java
@@ -32,17 +32,27 @@ public class ImageViewerActivity extends Activity {
 	}
 	
 	public void onClickPrev(View v) {
-		
+		displayPrev();
 	}
 		
 	public void onClickNext(View v) {
-		
+		displayNext();
 	}
 	
 	public void onClickBack(View v) {
 		finish();
 	}
 	
+	private void displayPrev() {
+		currentIndex -= 1;
+		displayImage(currentIndex);
+	}
+	
+	private void displayNext() {
+		currentIndex += 1;
+		displayImage(currentIndex);
+	}
+	
 	public void displayImage(int indexToDisplay) {