java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()

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Root Cause Analysis

  1. java.lang.RuntimeException

    Can't create handler inside thread that has not called Looper.prepare()

    at android.os.Handler.<init>()
  2. Android Platform
    Toast.makeText
    1. android.os.Handler.<init>(Handler.java:205)
    2. android.os.Handler.<init>(Handler.java:119)
    3. android.widget.Toast$TN.<init>(Toast.java:339)
    4. android.widget.Toast.<init>(Toast.java:98)
    5. android.widget.Toast.makeText(Toast.java:245)
    5 frames
  3. processing.test.toast
    toast.mousePressed
    1. processing.test.toast.toast.showToast(toast.java:40)
    2. processing.test.toast.toast.mousePressed(toast.java:36)
    2 frames
  4. processing.core
    PApplet.run
    1. processing.core.PApplet.mousePressed(Unknown Source)
    2. processing.core.PApplet.handleMouseEvent(Unknown Source)
    3. processing.core.PApplet.dequeueEvents(Unknown Source)
    4. processing.core.PApplet.handleDraw(Unknown Source)
    5. processing.core.PGraphicsAndroid2D.requestDraw(Unknown Source)
    6. processing.core.PApplet.run(Unknown Source)
    6 frames
  5. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:838)
    1 frame