java.lang.RuntimeException: An error occurred while executing doInBackground()

coderanch.com | 5 months ago
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  1. 0

    SharedPreferences: extends Activity crashes App (Android forum at Coderanch)

    coderanch.com | 11 months ago
    java.lang.RuntimeException: An error occurred while executing doInBackground()
  2. 0

    SharedPreferences: extends Activity crashes App (Android forum at Coderanch)

    coderanch.com | 5 months ago
    java.lang.RuntimeException: An error occurred while executing doInBackground()
  3. 0

    SharedPreferences: extends Activity crashes App (Android forum at Coderanch)

    coderanch.com | 5 months ago
    java.lang.RuntimeException: An error occurred while executing doInBackground()
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  5. 0

    SharedPreferences: extends Activity crashes App

    Coderanch | 1 year ago | simone giusti
    java.lang.RuntimeException: An error occurred while executing doInBackground()
  6. 0

    Instantiating class gives RuntimeException

    Stack Overflow | 9 months ago | Seung
    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
      Activity.<init>
      1. android.os.Handler.<init>(Handler.java:200)
      2. android.os.Handler.<init>(Handler.java:114)
      3. android.app.Activity.<init>(Activity.java:754)
      3 frames
    3. it.rockopera.SCSremote
      ClientActivity$ConnectTask.doInBackground
      1. it.rockopera.SCSremote.TcpClient.<init>(TcpClient.java:60)
      2. it.rockopera.SCSremote.ClientActivity$ConnectTask.doInBackground(ClientActivity.java:237)
      3. it.rockopera.SCSremote.ClientActivity$ConnectTask.doInBackground(ClientActivity.java:231)
      3 frames
    4. Android Platform
      AsyncTask$2.call
      1. android.os.AsyncTask$2.call(AsyncTask.java:295)
      1 frame
    5. Java RT
      FutureTask.run
      1. java.util.concurrent.FutureTask.run(FutureTask.java:237)
      1 frame
    6. Android Platform
      AsyncTask$SerialExecutor$1.run
      1. android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234)
      1 frame
    7. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
      3. java.lang.Thread.run(Thread.java:818)
      3 frames