Avoid FingerprintManager.hasEnrolledFingerprints() crash on samsung devices

app/src/main/java/com/hippo/ehviewer/ui/SetSecurityActivity.java

@@ -17,8 +17,10 @@
 package com.hippo.ehviewer.ui;
 
 import android.hardware.fingerprint.FingerprintManager;
+import android.os.Build;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
+import android.support.annotation.RequiresApi;
 import android.text.TextUtils;
 import android.view.MenuItem;
 import android.view.View;
@@ -62,7 +64,7 @@ public class SetSecurityActivity extends ToolbarActivity implements View.OnClick
             FingerprintManager fingerprintManager = getSystemService(FingerprintManager.class);
             // The line below prevents the false positive inspection from Android Studio
             // noinspection ResourceType
-            if (fingerprintManager != null && fingerprintManager.hasEnrolledFingerprints()) {
+            if (fingerprintManager != null && hasEnrolledFingerprints(fingerprintManager)) {
                 mFingerprint.setVisibility(View.VISIBLE);
                 mFingerprint.setChecked(Settings.getEnableFingerprint());
             }
@@ -72,6 +74,16 @@ public class SetSecurityActivity extends ToolbarActivity implements View.OnClick
         mSet.setOnClickListener(this);
     }
 
+    @RequiresApi(api = Build.VERSION_CODES.M)
+    public static boolean hasEnrolledFingerprints(FingerprintManager fingerprintManager) {
+        try {
+            return fingerprintManager.isHardwareDetected()
+                && fingerprintManager.hasEnrolledFingerprints();
+        } catch (Throwable e) {
+            return false;
+        }
+    }
+
     @Override
     protected void onDestroy() {
         super.onDestroy();

app/src/main/java/com/hippo/ehviewer/ui/scene/SecurityScene.java

@@ -31,6 +31,7 @@ import android.widget.ImageView;
 import com.hippo.ehviewer.R;
 import com.hippo.ehviewer.Settings;
 import com.hippo.ehviewer.ui.MainActivity;
+import com.hippo.ehviewer.ui.SetSecurityActivity;
 import com.hippo.hardware.ShakeDetector;
 import com.hippo.widget.lockpattern.LockPatternUtils;
 import com.hippo.widget.lockpattern.LockPatternView;
@@ -235,8 +236,7 @@ public class SecurityScene extends SolidScene implements
         return Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
                 && Settings.getEnableFingerprint()
                 && mFingerprintManager != null
-                && mFingerprintManager.isHardwareDetected()
-                && mFingerprintManager.hasEnrolledFingerprints();
+                && SetSecurityActivity.hasEnrolledFingerprints(mFingerprintManager);
     }
 
     private Runnable mResetFingerprintRunnable = new Runnable() {