Merge "Enable the clear credentials buttons when wifi keys are installed." (5f1034bc) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/security/ResetCredentialsPreferenceController.java

+19 −3

Original line number	Diff line number	Diff line
		@@ -18,6 +18,8 @@ package com.android.settings.security;

		import android.content.Context;
		import android.os.UserManager;
		import android.security.keystore.KeyProperties;
		import android.security.keystore2.AndroidKeyStoreLoadStoreParameter;

		import androidx.preference.PreferenceScreen;

		@@ -35,6 +37,7 @@ public class ResetCredentialsPreferenceController extends RestrictedEncryptionPr
		private static final String KEY_RESET_CREDENTIALS = "credentials_reset";

		private final KeyStore mKeyStore;
		private final KeyStore mWifiKeyStore;

		private RestrictedPreference mPreference;

		@@ -45,8 +48,19 @@ public class ResetCredentialsPreferenceController extends RestrictedEncryptionPr
		keyStore = KeyStore.getInstance("AndroidKeyStore");
		keyStore.load(null);
		} catch (Exception e) {
		keyStore = null;
		}
		mKeyStore = keyStore;
		keyStore = null;
		if (context.getUser().isSystem()) {
		try {
		keyStore = KeyStore.getInstance("AndroidKeyStore");
		keyStore.load(new AndroidKeyStoreLoadStoreParameter(KeyProperties.NAMESPACE_WIFI));
		} catch (Exception e) {
		keyStore = null;
		}
		}
		mWifiKeyStore = keyStore;
		if (lifecycle != null) {
		lifecycle.addObserver(this);
		}
		@@ -68,9 +82,11 @@ public class ResetCredentialsPreferenceController extends RestrictedEncryptionPr
		if (mPreference != null && !mPreference.isDisabledByAdmin()) {
		boolean isEnabled = false;
		try {
		if (mKeyStore != null) {
		isEnabled = mKeyStore.aliases().hasMoreElements();
		}
		isEnabled = (mKeyStore != null
		&& mKeyStore.aliases().hasMoreElements())
		\|\| (mWifiKeyStore != null
		&& mWifiKeyStore.aliases().hasMoreElements());

		} catch (KeyStoreException e) {
		// If access to keystore fails, treat as disabled.
		}