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Check fm before using it

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* Prevent NPE on devices without fingerprint.
This commit is contained in:
YumeMichi 2018-01-12 11:23:47 +08:00 committed by John Wu
parent 8d139e156e
commit 2fe35d578d
1 changed files with 1 additions and 1 deletions
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src/main/java/com/topjohnwu/magisk/utils/FingerprintHelper.java
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@ -30,7 +30,7 @@ public abstract class FingerprintHelper extends FingerprintManager.Authenticatio
MagiskManager mm = MagiskManager.get();
KeyguardManager km = mm.getSystemService(KeyguardManager.class);
FingerprintManager fm = mm.getSystemService(FingerprintManager.class);
return km.isKeyguardSecure() && fm.isHardwareDetected() && fm.hasEnrolledFingerprints();
return km.isKeyguardSecure() && fm != null && fm.isHardwareDetected() && fm.hasEnrolledFingerprints();
}
protected FingerprintHelper() throws Exception {