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NPE and crash is possible on c.getSystemService(FingerprintManager::class.java) #13

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AlexTrotsenko opened this issue Aug 23, 2019 · 0 comments

AlexTrotsenko commented Aug 23, 2019

in FahManager :

private var fingerprintManager: FingerprintManager = c.getSystemService(FingerprintManager::class.java)

Now c.getSystemService(FingerprintManager::class.java) is annotated as Nullable thus could return null and cause NPE.

SDK sources:

public final @Nullable <T> T getSystemService(@NonNull Class<T> serviceClass) {
...

Return value must be checked for null.

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