java.lang.RuntimeException

Unable to start activity ComponentInfo{com.example.mohamed_pc.test2/com.example.mohamed_pc.test2.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.bluetooth.le.BluetoothLeAdvertiser android.bluetooth.BluetoothAdapter.getBluetoothLeAdvertiser()' on a null object reference

Solutions on the web45777

  • via Stack Overflow by MORagab
    , 10 months ago
    Unable to start activity ComponentInfo{com.example.mohamed_pc.test2/com.example.mohamed_pc.test2.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.bluetooth.le.BluetoothLeAdvertiser android.bluetooth.BluetoothAdapter.getBluetoothLeAdvertiser()' on a null object reference
  • Unable to start activity ComponentInfo{.mainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'int java.util.ArrayList.size()' on a null object reference
  • Unable to start activity ComponentInfo{MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.gms.maps.SupportMapFragment.getMapAsync(com.google.android.gms.maps.OnMapReadyCallback)' on a null object reference
  • Stack trace

    • java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.mohamed_pc.test2/com.example.mohamed_pc.test2.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.bluetooth.le.BluetoothLeAdvertiser android.bluetooth.BluetoothAdapter.getBluetoothLeAdvertiser()' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)

    Write tip

    You have a different solution? A short tip here would help you and many other users who saw this issue last week.

    Users with the same issue

    7 times, 5 months ago
    Unknown user
    Once, 6 months ago
    Unknown user
    Once, 6 months ago
    3 times, 7 months ago
    Unknown user
    Once, 7 months ago
    103 more bugmates