Added fragment_face.xml
For displaying face images.
Rename /res/drawable/face7.png to face6.png
Renames res/drawable/face8.png to face7.png
Updated fragment_face.xml
Changed face7.png to face6.png and face8.png to face7.png.
Updated fragment_main.xml
Added a id for the outer LinearLayout
Updated fragment_main.xml
Have the send button display with proper width in landscape orientation.
Updated MainActivity.java
Removed previous function (display a random image) of the send button.
Added a function to send button to show/hide a fragment showing
face*.png.
Updated fragment_face.xml
Changed the height of horizontalScrollView to match_content.