Revert the style, fix backspace behaviour.

app/src/main/java/cfpi_fpsi/eu/titanboard/IME.java

@@ -82,13 +82,8 @@ public class IME extends InputMethodService {
                     return true;
                 }
                 return false;
-            // If it's the Enter key, we let the application do it's job.
-            case KeyEvent.KEYCODE_ENTER:
-                return false;
-            // If it's the backspace key, we remove one character.
             case KeyEvent.KEYCODE_DEL:
-                conn.deleteSurroundingText(1, 0);
-                mMetaKeyManager.adjustMetaStateAfterKeypress();
+            case KeyEvent.KEYCODE_ENTER:
                 return false;
             case KeyEvent.KEYCODE_SPACE:
                 conn.commitText(" ", 1);

app/src/main/res/drawable/key.xml

@@ -2,16 +2,12 @@
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:state_pressed="false">
         <shape>
-            <gradient android:angle="-45"
-                android:startColor="#333"
-                android:endColor="#222"/>
-            <stroke android:width="1dp" android:color="#333" />
+            <solid android:color="#333" />
         </shape>
     </item>
     <item android:state_pressed="true">
         <shape>
             <solid android:color="#555" />
-            <stroke android:width="1dp" android:color="#222" />
         </shape>
     </item>
 </selector>

app/src/main/res/values/styles.xml

@@ -37,6 +37,8 @@
         <item name="android:background">@drawable/key</item>
         <item name="android:textColor">#FFF</item>
         <item name="android:textSize">18sp</item>
+        <item name="android:layout_marginLeft">1dp</item>
+        <item name="android:layout_marginRight">1dp</item>
         <item name="android:layout_marginTop">2dp</item>
         <item name="android:layout_marginBottom">2dp</item>
         <item name="android:onClick">onInputViewKeyClick</item>