android - How get getTime and battery level In my graph? -

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i'm working create chart of battery usage.. i'm using graphviews library , i'm studing how works. right in original example code there part:

exampleseries1.resetdata(new graphviewdata[] {         new graphviewdata(0, getrandom())         , new graphviewdata(2, getrandom())         , new graphviewdata(2.5, getrandom()) // frequency         , new graphviewdata(3, getrandom())         , new graphviewdata(4, getrandom())         , new graphviewdata(5, getrandom())

what need instead like:

exampleseries1.resetdata(new graphviewdata[] {               new graphviewdata(gettime(), getlevel())     ,         new graphviewdata(gettime(), getlevel())             , new graphviewdata(gettime(), getlevel()) // frequency             , new graphviewdata(gettime(), getlevel())             , new graphviewdata(gettime(), getlevel())             , new graphviewdata(gettime(), getlevel())

because need battery level , time(current time) , result like:

graphviewdata((new graphviewdata[] {               new graphviewdata(8:00, 80%)     ,         new graphviewdata(8:01, 80%)             , new graphviewdata(8:02, 79%) // frequency             , new graphviewdata(8:03, 78%)             , new graphviewdata(8:04, 78%)             , new graphviewdata(8:05, 77%)

how can it? how can find gettime() , getlevel()? right way?thanks


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