math entities list activities refactored + categories added

src/main/java/org/solovyev/android/view/prefs/AndroidUtils.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
+ * For more information, please, contact se.solovyev@gmail.com
+ * or visit http://se.solovyev.org
+ */
+
+package org.solovyev.android.view.prefs;
+
+import android.view.Gravity;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TabHost;
+import android.widget.TextView;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * User: serso
+ * Date: 12/21/11
+ * Time: 11:54 PM
+ */
+public final class AndroidUtils {
+
+    // not intended for instantiation
+    private AndroidUtils() {
+        throw new AssertionError();
+    }
+
+    public static void centerAndWrapTabsFor(@NotNull TabHost tabHost) {
+        int tabCount = tabHost.getTabWidget().getTabCount();
+        for (int i = 0; i < tabCount; i++) {
+            final View view = tabHost.getTabWidget().getChildTabViewAt(i);
+            if ( view != null ) {
+                if (view.getLayoutParams().height > 0) {
+                    // reduce height of the tab
+                    view.getLayoutParams().height *= 0.8;
+                }
+
+                //  get title text view
+                final View textView = view.findViewById(android.R.id.title);
+                if ( textView instanceof TextView) {
+                    // just in case check the type
+
+                    // center text
+                    ((TextView) textView).setGravity(Gravity.CENTER);
+                    // wrap text
+                    ((TextView) textView).setSingleLine(false);
+
+                    // explicitly set layout parameters
+                    textView.getLayoutParams().height = ViewGroup.LayoutParams.FILL_PARENT;
+                    textView.getLayoutParams().width = ViewGroup.LayoutParams.WRAP_CONTENT;
+                }
+            }
+        }
+    }
+}