Merge "Remove flicker during fingerprint enrollment" into tm-qpr-dev am: d66e0c4c75 am: da8c78f093

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/20249709

Change-Id: I78baceb039e99545ae5abf9f0c54606188d621b2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

res/values/arrays.xml

@@ -1332,4 +1332,9 @@
          [CHAR LIMIT=NONE] -->
     <string-array name="allowlist_hide_summary_in_battery_usage" translatable="false">
     </string-array>
+
+    <!-- Array containing help message codes that should not be displayed
+         during fingerprint enrollment. -->
+    <integer-array name="fingerprint_acquired_ignore_list">
+    </integer-array>
 </resources>

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

@@ -21,9 +21,14 @@ import android.app.settings.SettingsEnums;
 import android.hardware.fingerprint.FingerprintManager;
 import android.util.Log;
 
+import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.R;
 import com.android.settings.biometrics.BiometricEnrollSidecar;
 
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
 /**
  * Sidecar fragment to handle the state around fingerprint enrollment.
  */
@@ -32,11 +37,19 @@ public class FingerprintEnrollSidecar extends BiometricEnrollSidecar {
 
     private FingerprintUpdater mFingerprintUpdater;
     private @FingerprintManager.EnrollReason int mEnrollReason;
+    private Set<Integer> mHelpIgnore;
 
     @Override
     public void onAttach(Activity activity) {
         super.onAttach(activity);
         mFingerprintUpdater = new FingerprintUpdater(activity);
+        final int[] ignoreAcquiredInfo = getResources().getIntArray(
+                R.array.fingerprint_acquired_ignore_list);
+        mHelpIgnore = new HashSet<>();
+        for (int acquiredInfo: ignoreAcquiredInfo) {
+            mHelpIgnore.add(acquiredInfo);
+        }
+        mHelpIgnore = Collections.unmodifiableSet(mHelpIgnore);
     }
 
     @Override
@@ -49,7 +62,6 @@ public class FingerprintEnrollSidecar extends BiometricEnrollSidecar {
                     getString(R.string.fingerprint_intro_error_unknown));
             return;
         }
-
         mFingerprintUpdater.enroll(mToken, mEnrollmentCancel, mUserId, mEnrollmentCallback,
                 mEnrollReason);
     }
@@ -58,7 +70,7 @@ public class FingerprintEnrollSidecar extends BiometricEnrollSidecar {
         mEnrollReason = enrollReason;
     }
 
-    private FingerprintManager.EnrollmentCallback mEnrollmentCallback
+    @VisibleForTesting FingerprintManager.EnrollmentCallback mEnrollmentCallback
             = new FingerprintManager.EnrollmentCallback() {
 
         @Override
@@ -68,6 +80,9 @@ public class FingerprintEnrollSidecar extends BiometricEnrollSidecar {
 
         @Override
         public void onEnrollmentHelp(int helpMsgId, CharSequence helpString) {
+            if (mHelpIgnore.contains(helpMsgId)) {
+                return;
+            }
             FingerprintEnrollSidecar.super.onEnrollmentHelp(helpMsgId, helpString);
         }
 

tests/robotests/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollEnrollingTest.java

@@ -18,6 +18,7 @@ package com.android.settings.biometrics.fingerprint;
 
 import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_POWER_BUTTON;
 import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_UDFPS_OPTICAL;
+import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_UNKNOWN;
 
 import static com.android.settings.biometrics.fingerprint.FingerprintEnrollEnrolling.KEY_STATE_PREVIOUS_ROTATION;
 import static com.android.settings.biometrics.fingerprint.FingerprintEnrollEnrolling.SFPS_STAGE_NO_ANIMATION;
@@ -35,6 +36,8 @@ import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
+import static org.mockito.Mockito.mock;
+
 
 import android.content.Context;
 import android.content.res.ColorStateList;
@@ -52,6 +55,8 @@ import android.view.Display;
 import android.view.Surface;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
+
 import com.android.settings.R;
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.widget.RingProgressBar;
@@ -59,7 +64,6 @@ import com.android.settings.widget.RingProgressBar;
 import com.airbnb.lottie.LottieAnimationView;
 
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
@@ -100,16 +104,39 @@ public class FingerprintEnrollEnrollingTest {
     }
 
     @Test
-    @Ignore
     public void fingerprintEnrollHelp_shouldShowHelpText() {
-        EnrollmentCallback enrollmentCallback = verifyAndCaptureEnrollmentCallback();
+        initializeActivityFor(TYPE_UNKNOWN);
+        TestFingerprintEnrollSidecar sidecar = new TestFingerprintEnrollSidecar();
+        Resources resources = mock(Resources.class);
+        doReturn(resources).when(mContext).getResources();
+        when(resources.getIntArray(R.array.fingerprint_acquired_ignore_list))
+                .thenReturn(new int[]{3});
 
-        enrollmentCallback.onEnrollmentProgress(123);
-        enrollmentCallback.onEnrollmentHelp(
-                FingerprintManager.FINGERPRINT_ERROR_UNABLE_TO_PROCESS, "test enrollment help");
+        sidecar.setListener(mActivity);
+        sidecar.onAttach(mActivity);
+        sidecar.mEnrollmentCallback.onEnrollmentHelp(5,
+                "Help message should be displayed.");
 
         TextView errorText = mActivity.findViewById(R.id.error_text);
-        assertThat(errorText.getText()).isEqualTo("test enrollment help");
+        assertThat(errorText.getText()).isEqualTo("Help message should be displayed.");
+    }
+
+    @Test
+    public void fingerprintEnrollHelp_shouldNotShowHelpText() {
+        initializeActivityFor(TYPE_UNKNOWN);
+        TestFingerprintEnrollSidecar sidecar = new TestFingerprintEnrollSidecar();
+        Resources resources = mock(Resources.class);
+        doReturn(resources).when(mContext).getResources();
+        when(resources.getIntArray(R.array.fingerprint_acquired_ignore_list))
+                .thenReturn(new int[]{3});
+
+        sidecar.setListener(mActivity);
+        sidecar.onAttach(mActivity);
+        sidecar.mEnrollmentCallback.onEnrollmentHelp(3,
+                "Help message should not be displayed.");
+
+        TextView errorText = mActivity.findViewById(R.id.error_text);
+        assertThat(errorText.getText()).isEqualTo("");
     }
 
     @Test
@@ -319,4 +346,12 @@ public class FingerprintEnrollEnrollingTest {
 
         return callbackCaptor.getValue();
     }
+
+    private class TestFingerprintEnrollSidecar extends FingerprintEnrollSidecar {
+        @Nullable
+        @Override
+        public Context getContext() {
+            return mContext;
+        }
+    }
 }