Updated Search functions and added background to textview

MyTestApp/.idea/caches/build_file_checksums.ser

MyTestApp/.idea/caches/gradle_models.ser

MyTestApp/.idea/gradle.xml

MyTestApp/.idea/misc.xml

MyTestApp/.idea/vcs.xml

.../app/src/main/java/com/cs991/ywb18142/mytestapp/Book.java

.../main/java/com/cs991/ywb18142/mytestapp/BookDatabase.java

.../main/java/com/cs991/ywb18142/mytestapp/MainActivity.java

MyTestApp/app/src/main/res/drawable/my_border.xml

MyTestApp/app/src/main/res/layout/activity_main.xml

MyTestApp/app/src/main/res/values/colors.xml