Rendering issues on layout editor

I'm trying to insert buttons using Android Studio and the layout is have "rendering issues" and will not give me a preview of my phone in the editor anymore. I have reverted the file to it's original form and still it is just blank. 

Specifically I am doing the FreeFallDetection project and it is under the activity_main.xml

Any suggestions?


  • I have it rendering now but I am not able to place buttons anywhere. I try dragging them to the "Device Screen" on the upper right tab, but nothing registers

  • Now I've lost both, I am back to getting an error that just says 

    "Rendering Problems"
    Failed to load the LayoutLib: com/layoutlib/bridge/Bridge
    Unsupported major.minor version 52.0 
  • What JDK version are you using?
  • The major.minor version message relates to using an incompatible JRE/JDK version.  Either switch your API to Android M or install JDK8.
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