Fix compatibility with Android 3.0

Incompatible APIs were used in the custom layouts and the extra keys
options.

Add @TargetApi annotations to help catch similar issues in the future
with the help of 'gradle lint'.

1 files changed, 3 insertions, 0 deletions

diff --git a/srcs/juloo.keyboard2/Keyboard2.java b/srcs/juloo.keyboard2/Keyboard2.java
index 0f46a13..6440c7d 100644
--- a/srcs/juloo.keyboard2/Keyboard2.java
+++ b/srcs/juloo.keyboard2/Keyboard2.java
@@ -1,5 +1,6 @@
 package juloo.keyboard2;
 
+import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
@@ -118,6 +119,7 @@ public class Keyboard2 extends InputMethodService
     return Arrays.asList();
   }
 
+  @TargetApi(12)
   private ExtraKeys extra_keys_of_subtype(InputMethodSubtype subtype)
   {
     String extra_keys = subtype.getExtraValueOf("extra_keys");
@@ -127,6 +129,7 @@ public class Keyboard2 extends InputMethodService
     return ExtraKeys.EMPTY;
   }
 
+  @TargetApi(12)
   private void refreshAccentsOption(InputMethodManager imm, InputMethodSubtype subtype)
   {
     List<InputMethodSubtype> enabled_subtypes = getEnabledSubtypes(imm);