# \#csd-unit-4-lesson-13 **URL:** https://forum.code.org/tag/csd-unit-4-lesson-13/415.md [Latest](https://forum.code.org/latest.md) · [Categories](https://forum.code.org/categories.md) · [Tags](https://forum.code.org/tags.md) --- ## [4.13 Drop Down Help](https://forum.code.org/t/4-13-drop-down-help/14376)
**Author:** [@ctenney](https://forum.code.org/u/ctenney)\ **Replies:** 11\ **Last updated:** [October 19, 2022, 3:21pm UTC](https://forum.code.org/t/4-13-drop-down-help/14376 "2022-10-19T15:21:54Z")
I have a few students who wanted to switch screens using a drop down menu but we have not been able to figure out how to get this to work. Any suggestions would be appreciated. --- ## [U4 L13 - Linking Screens - Drop Down Menu](https://forum.code.org/t/u4-l13-linking-screens-drop-down-menu/30635)
**Author:** [@nancy.weidenbach](https://forum.code.org/u/nancy.weidenbach)\ **Replies:** 1\ **Last updated:** [September 22, 2019, 10:24pm UTC](https://forum.code.org/t/u4-l13-linking-screens-drop-down-menu/30635 "2019-09-22T22:24:04Z")
I am having a hard time figuring out how to code the drop down menu. I have found one forum that shows using an if/then/else block but I do not have that option in the App Lab that I am using with my students in Unit 4.… --- ## [Issues with Importing Screens + Images](https://forum.code.org/t/issues-with-importing-screens-images/14278)
**Author:** [@dschneider](https://forum.code.org/u/dschneider)\ **Replies:** 9\ **Last updated:** [April 19, 2019, 3:25pm UTC](https://forum.code.org/t/issues-with-importing-screens-images/14278 "2019-04-19T15:25:43Z")
Just a heads-up: my classes ran into a lot of issues importing screens when students had used images they uploaded from their computers. We discovered that in the Screen Import menu, they also needed to select "Other As… --- ## [Unit 4 - Chapter 2 - App Design](https://forum.code.org/t/unit-4-chapter-2-app-design/26407)
**Author:** [@robinsont](https://forum.code.org/u/robinsont)\ **Replies:** 3\ **Last updated:** [April 18, 2019, 6:07am UTC](https://forum.code.org/t/unit-4-chapter-2-app-design/26407 "2019-04-18T06:07:41Z")
Hello, I have two different students who want to add specific features to their app projects. One wants to give the user the option to resize the text (using a slider or dropdown possibly), and the other wants to incorp… --- ## [Can Back/Previous Buttons Be Incorporated into Apps?](https://forum.code.org/t/can-back-previous-buttons-be-incorporated-into-apps/26281)
**Author:** [@piercec](https://forum.code.org/u/piercec)\ **Replies:** 2\ **Last updated:** [April 12, 2019, 1:45pm UTC](https://forum.code.org/t/can-back-previous-buttons-be-incorporated-into-apps/26281 "2019-04-12T13:45:20Z")
Is there a way in App Lab to program buttons to set a screen to the previous one the user was on? Several of the student teams in my classes wanted to implement this functionality in their apps, but I am not sure if it i… --- ## [Unit4 lesson 13 text color glitch](https://forum.code.org/t/unit4-lesson-13-text-color-glitch/25701)
**Author:** [@nicr](https://forum.code.org/u/nicr)\ **Replies:** 1\ **Last updated:** [March 19, 2019, 2:53pm UTC](https://forum.code.org/t/unit4-lesson-13-text-color-glitch/25701 "2019-03-19T14:53:05Z")
One of my students is not able to change the text color in this level, although she can in the tutorials before. The color picker spectrum appears and when you move around the rgb values change, but nothing changes i… --- ## [Unit 4, Lesson 13, Bubble 14](https://forum.code.org/t/unit-4-lesson-13-bubble-14/25210)
**Author:** [@mindyw](https://forum.code.org/u/mindyw)\ **Replies:** 2\ **Last updated:** [March 3, 2019, 6:21pm UTC](https://forum.code.org/t/unit-4-lesson-13-bubble-14/25210 "2019-03-03T18:21:08Z")
I have a student that is trying to “Run” her app in Design Mode, but before she can do anything but click on the “Run” button, it switches from her home\_screen to a different screen. It does the same thing in the Code sc… --- ## [CS Discoveries App design DATA](https://forum.code.org/t/cs-discoveries-app-design-data/25037)
**Author:** [@joell.boast](https://forum.code.org/u/joell.boast)\ **Replies:** 3\ **Last updated:** [February 25, 2019, 7:29pm UTC](https://forum.code.org/t/cs-discoveries-app-design-data/25037 "2019-02-25T19:29:05Z")
I want to learn how to use the data storing capability in our class app. Can someone send me directions or give me a hint or example on how to use and set this up? Thanks! --- ## [Starting Screen](https://forum.code.org/t/starting-screen/24689)
**Author:** [@katie.blankenbaker](https://forum.code.org/u/katie.blankenbaker)\ **Replies:** 3\ **Last updated:** [February 11, 2019, 10:24pm UTC](https://forum.code.org/t/starting-screen/24689 "2019-02-11T22:24:22Z")
How can students have their screens start with their HOME screen? For some reason, even though students created a HOME screen first, it is not the first screen when they click “RUN” to test out their app. --- ## [Pilot - U4L13 - Event Driven Programming](https://forum.code.org/t/pilot-u4l13-event-driven-programming/5927)
**Author:** [@dani](https://forum.code.org/u/dani)\ **Replies:** 1\ **Last updated:** [November 14, 2016, 10:55pm UTC](https://forum.code.org/t/pilot-u4l13-event-driven-programming/5927 "2016-11-14T22:55:11Z")
Please leave any feedback, thoughts, or resources for the lesson here. As a reminder, good feedback has the following elements: description of your school and classroom context details on what went well when teaching …