bugfix

app/src/main/java/ohi/andre/consolelauncher/LauncherActivity.java

@@ -188,9 +188,10 @@ public class LauncherActivity extends Activity implements Reloadable {
     protected void onStart() {
         super.onStart();
 
-        if (openKeyboardOnStart)
+        if (ui != null && openKeyboardOnStart) {
             ui.onStart();
         }
+    }
 
     @Override
     protected void onResume() {
@@ -213,14 +214,17 @@ public class LauncherActivity extends Activity implements Reloadable {
     protected void onDestroy() {
         super.onDestroy();
 
+        if(main != null) {
             main.destroy();
         }
+    }
 
     @Override
     public void onBackPressed() {
-        if (main != null)
+        if (main != null) {
             main.onBackPressed();
         }
+    }
 
     @Override
     public boolean onKeyLongPress(int keyCode, KeyEvent event) {

app/src/main/java/ohi/andre/consolelauncher/tuils/Tuils.java

@@ -379,12 +379,18 @@ public class Tuils {
         return true;
     }
 
-    public static String trimSpaces(String s) {
-        while (s.startsWith(SPACE))
-            s = s.substring(1);
-        while (s.endsWith(SPACE))
-            s = s.substring(0, s.length() - 1);
-        return s;
+    public static CharSequence trimWhitespaces(CharSequence source) {
+
+        if(source == null)
+            return "";
+
+        int i = source.length();
+
+        // loop back to the first non-whitespace character
+        while(--i >= 0 && Character.isWhitespace(source.charAt(i))) {
+        }
+
+        return source.subSequence(0, i+1);
     }
 
     public static String getSDK() {