Show fingerprint preferences after enrolling from settings

Bug: 131231334
Test: tested on blueline
Change-Id: Ifd43f28001fcb42ec61a62ad6656d2da2a0629eb

AndroidManifest.xml

@@ -436,6 +436,17 @@
                 android:value="com.android.settings.biometrics.face.FaceSettings" />
         </activity>
 
+        <activity android:name="Settings$FingerprintSettingsActivity"
+                  android:label="@string/security_settings_fingerprint_preference_title"
+                  android:icon="@drawable/ic_fingerprint_header">
+            <intent-filter>
+                <action android:name="android.settings.FINGERPRINT_SETTINGS" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
+                       android:value="com.android.settings.biometrics.fingerprint.FingerprintSettings$FingerprintSettingsFragment" />
+        </activity>
+
         <activity android:name=".bluetooth.DevicePickerActivity"
                 android:label="@string/device_picker"
                 android:configChanges="orientation|keyboardHidden|screenSize"

src/com/android/settings/Settings.java

@@ -32,6 +32,7 @@ public class Settings extends SettingsActivity {
     public static class BluetoothSettingsActivity extends SettingsActivity { /* empty */ }
     public static class CreateShortcutActivity extends SettingsActivity { /* empty */ }
     public static class FaceSettingsActivity extends SettingsActivity { /* empty */ }
+    public static class FingerprintSettingsActivity extends SettingsActivity { /* empty */ }
     public static class SimSettingsActivity extends SettingsActivity { /* empty */ }
     public static class TetherSettingsActivity extends SettingsActivity { /* empty */ }
     public static class WifiTetherSettingsActivity extends SettingsActivity { /* empty */ }

src/com/android/settings/biometrics/fingerprint/FingerprintEnrollFinish.java

@@ -30,6 +30,7 @@ import androidx.annotation.VisibleForTesting;
 import com.android.settings.R;
 import com.android.settings.Utils;
 import com.android.settings.biometrics.BiometricEnrollBase;
+import com.android.settings.password.ChooseLockSettingsHelper;
 
 import com.google.android.setupcompat.template.FooterBarMixin;
 import com.google.android.setupcompat.template.FooterButton;
@@ -41,6 +42,8 @@ import com.google.android.setupcompat.util.WizardManagerHelper;
 public class FingerprintEnrollFinish extends BiometricEnrollBase {
 
     private static final String TAG = "FingerprintEnrollFinish";
+    private static final String ACTION_FINGERPRINT_SETTINGS =
+            "android.settings.FINGERPRINT_SETTINGS";
     @VisibleForTesting
     static final int REQUEST_ADD_ANOTHER = 1;
     @VisibleForTesting
@@ -107,6 +110,8 @@ public class FingerprintEnrollFinish extends BiometricEnrollBase {
         setResult(RESULT_FINISHED);
         if (WizardManagerHelper.isAnySetupWizard(getIntent())) {
             postEnroll();
+        } else {
+            launchFingerprintSettings();
         }
         finish();
     }
@@ -141,6 +146,14 @@ public class FingerprintEnrollFinish extends BiometricEnrollBase {
         }
     }
 
+    private void launchFingerprintSettings() {
+        final Intent intent = new Intent(ACTION_FINGERPRINT_SETTINGS);
+        intent.setPackage(Utils.SETTINGS_PACKAGE_NAME);
+        intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, mToken);
+        intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
+        startActivity(intent);
+    }
+
     private void onAddAnotherButtonClick(View view) {
         startActivityForResult(getFingerprintEnrollingIntent(), REQUEST_ADD_ANOTHER);
     }

src/com/android/settings/biometrics/fingerprint/FingerprintSettings.java

@@ -276,6 +276,9 @@ public class FingerprintSettings extends SubSettings {
             Activity activity = getActivity();
             mFingerprintManager = Utils.getFingerprintManagerOrNull(activity);
 
+            mToken = getIntent().getByteArrayExtra(
+                    ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN);
+
             mAuthenticateSidecar = (FingerprintAuthenticateSidecar)
                     getFragmentManager().findFragmentByTag(TAG_AUTHENTICATE_SIDECAR);
             if (mAuthenticateSidecar == null) {

src/com/android/settings/core/gateway/SettingsGateway.java

@@ -54,6 +54,7 @@ import com.android.settings.backup.PrivacySettings;
 import com.android.settings.backup.ToggleBackupSettingFragment;
 import com.android.settings.backup.UserBackupSettingsActivity;
 import com.android.settings.biometrics.face.FaceSettings;
+import com.android.settings.biometrics.fingerprint.FingerprintSettings;
 import com.android.settings.bluetooth.BluetoothDeviceDetailsFragment;
 import com.android.settings.connecteddevice.AdvancedConnectedDeviceDashboardFragment;
 import com.android.settings.connecteddevice.ConnectedDeviceDashboardFragment;
@@ -203,6 +204,7 @@ public class SettingsGateway {
             AccountSyncSettings.class.getName(),
             AssistGestureSettings.class.getName(),
             FaceSettings.class.getName(),
+            FingerprintSettings.FingerprintSettingsFragment.class.getName(),
             SwipeToNotificationSettings.class.getName(),
             DoubleTapPowerSettings.class.getName(),
             DoubleTapScreenSettings.class.getName(),