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Solved the problem that viewpager fragment was destroyed when switching fragment.

Source: Internet
Author: User
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When we useWhen fragmentviewpageradapter and viewpager are used to complete the slide switching tab, the effect is very good. However, when fragmenta switches to fragmentb and then slides to fragmentc, The fragmenta status data is no longer saved, when sliding to fragmentb again, the fragmenta oncreateview method will be called again. If there is a network request, it will be very painful. After searching for it online for half a day, we can see that there is such a method in viewpager.Setoffscreenpagelimit, set it to 2, and try again to solve the problem. Set the cache quantity for viewpager.

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