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  1. J

    Apps null pointer exception error.

    I have identified my problem but i have yet to understand how to fix it. seekbarSLIDER = (SeekBar) container2.findViewById(R.id.seekbar_slider_size); sizeview = (TextView)findViewById(seekbarsizeview); seekbarSLIDER.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {...
  2. J

    Seekbar on change listener usage.

    I have a seek bar that i intend to use to change the size of a drawing stroke that i have in another class, i have added the on seek change listener but after reading as much as i can about how to use them i am still lost, ive read about them on android dev, watched youtube, and finally decided...
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