Fix libtaskbar compilation

app/src/lib/res/values/ids.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2021 Braden Farmer
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<resources>
+    <item type="id" name="toolbar" />
+</resources>

app/src/main/java/com/farmerbb/taskbar/activity/MainActivity.java

@@ -186,11 +186,13 @@ private void proceedWithAppLaunch(Bundle savedInstanceState) {
             setContentView(R.layout.tb_main);
         }
 
-        setSupportActionBar(findViewById(R.id.toolbar));
+        if(!U.isLibrary(this)) {
+            setSupportActionBar(findViewById(R.id.toolbar));
 
-        ActionBar actionBar = getSupportActionBar();
-        if(actionBar != null && !U.isLibrary(this)) {
-            actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_TITLE);
+            ActionBar actionBar = getSupportActionBar();
+            if(actionBar != null) {
+                actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_TITLE);
+            }
         }
 
         theSwitch = findViewById(R.id.the_switch);