Use scaled pixels for text size in demo

The previous text size was too big to be seen on devices like Galaxy Nexus.

FlipView/Demo/res/values/dimensions.xml

@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="textSize">128sp</dimen>
+</resources>

FlipView/Demo/src/com/aphidmobile/flip/demo/FlipButtonActivity.java

@@ -17,11 +17,13 @@
 package com.aphidmobile.flip.demo;
 
 import android.app.Activity;
+import android.content.Context;
 import android.os.Bundle;
 import android.view.*;
 import android.widget.BaseAdapter;
 import com.aphidmobile.flip.FlipViewController;
 import com.aphidmobile.flip.demo.views.NumberButton;
+import com.aphidmobile.flip.demo.views.NumberTextView;
 import com.aphidmobile.flipview.demo.R;
 
 public class FlipButtonActivity extends Activity {
@@ -58,8 +60,9 @@ public long getItemId(int position) {
 			public View getView(int position, View convertView, ViewGroup parent) {
 				NumberButton button;
 				if (convertView == null) {
-					button = new NumberButton(parent.getContext(), position);
-					button.setTextSize(360);
+					final Context context = parent.getContext();
+					button = new NumberButton(context, position);
+					button.setTextSize(context.getResources().getDimension(R.dimen.textSize));
 				}
 				else {
 					button = (NumberButton) convertView;

FlipView/Demo/src/com/aphidmobile/flip/demo/FlipTextViewActivity.java

@@ -1,6 +1,7 @@
 package com.aphidmobile.flip.demo;
 
 import android.app.Activity;
+import android.content.Context;
 import android.os.Bundle;
 import android.view.View;
 import android.view.ViewGroup;
@@ -44,8 +45,9 @@ public long getItemId(int position) {
 			public View getView(int position, View convertView, ViewGroup parent) {
 				NumberTextView view;
 				if (convertView == null) {
-					view = new NumberTextView(parent.getContext(), position);
-					view.setTextSize(360);
+					final Context context = parent.getContext();
+					view = new NumberTextView(context, position);
+					view.setTextSize(context.getResources().getDimension(R.dimen.textSize));
 				}
 				else {
 					view = (NumberTextView) convertView;