java.lang.NullPointerException: Attempt to invoke virtual method 'void com.mikhaellopez.circularprogressbar.CircularProgressBar.setColor(int)' on a null object reference

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Attempt to invoke virtual method 'void com.mikhaellopez.circularprogressbar.CircularProgressBar.setColor(int)' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'void com.mikhaellopez.circularprogressbar.CircularProgressBar.setColor(int)' on a null object reference
at com.oxinc.android.hydro.MainActivity$override.Circle(MainActivity.java:32)
at com.oxinc.android.hydro.MainActivity$override.access$dispatch(MainActivity.java)
at com.oxinc.android.hydro.MainActivity.Circle(MainActivity.java:0)
at com.oxinc.android.hydro.MainActivity$override.onCreate(MainActivity.java:83)
at com.oxinc.android.hydro.MainActivity$override.access$dispatch(MainActivity.java)
at com.oxinc.android.hydro.MainActivity.onCreate(MainActivity.java:0)
at android.app.Activity.performCreate(Activity.java:6245)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1130)

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