'Re-enable "component tree" in Android Studio

After updating to the last version (1.4 Beta 2) in Android Studio, the "component view" in the layout editor disappeared. How can I enable this tool again?

androidandroid-studiopluginside


Solution 1:[1]

I lost mine too, and then realized that they just moved it to the left side of the screen in the latest Android Studio 2.2 Beta 2. It took me a good 10 mins to find it. enter image description here

Solution 2:[2]

A simple way of doing this --> just press shift+F12. If this does not work then, go to windows menu --> Restore Default Layout.

Solution 3:[3]

It's now called Structure on the left panel. I am using 

Android Studio 3.0.1
Build #AI-171.4443003, built on November 9, 2017
JRE: 1.8.0_152-release-915-b01 amd64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Windows 7 6.1

See my snapshot below: enter image description here

Solution 4:[4]

  1. Close Android Studio;
  2. Open [PROJECT_PATH]/.idea/workspace.xml
  3. Search for "PropertiesComponent"

  4. In this xml node, erase this 2 lines:

    <property name="UI_DESIGNER_EDITOR_MODE.UIDesignerToolWindowManager2.WIDTH" value="1" />
<property name="UI_DESIGNER_EDITOR_MODE.UIDesignerToolWindowManager2.STATE" value="left" />

For some reason, the width of ComponentTree was set to something almost invisible, and this was what worked for me.

If this doesnt work, just replace the whole node:

    <component name="PropertiesComponent">
         <property name="settings.editor.selected.configurable" value="gradle.compiler" />
         <property name="settings.editor.splitter.proportion" value="0.2" />
    </component>

Solution 5:[5]

In Android Studio 3.2.1, I too momentarily lost the Component hierarchy view. This could be a bug, where when you switch to XML mode, and then tap on the preview button on top right, it takes you to the preview mode, but the pallette, component hierarchy, etc remain hidden. To remedy, this, go back to XML mode, in the bottom you can see two tabs, namely Design and Text, tap on the 'Design'. Now you should be seeing the palette, component hierarchy and also the preview. Check the following images for illustration.

XML mode

Tapping preview instead of design Component tree missing Go back to xml mode, tap on design

Solution 6:[6]

Close your XML File, and re-open it! That's it!

Solution 7:[7]

You just need to change the device

enter image description here

Solution 8:[8]

click on the Windows and select Restore Default Layout, close and reopen the activity. The Palette and the component 3 will come auto

Solution 9:[9]

I had encountered this problem after moved the project location to some other folder. I tried to clean up the workspace.xml and .idea folder. But Failed. I just closed the project and imported the project once again. It worked for me!!!

Solution 10:[10]

Find the vertical tab of component tree in the image below enter image description here

Solution 11:[11]

On Android Studio Arctic Fox | 2020.3.1 Patch 3, I found the button for it at the bottom left of the Design view of my XML file: (In my case, it's in the middle of the screen because I'm in Split View)

enter image description here

Click this button to restore the menu. There is a similar functionality available under the bottom left icon that looks like 2 stacked squares. It's called "Structure". This alternative is also available with Alt+7

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