Call finish() when enrollment loses focus

Bug: 134971919

Test: Entering keyguard on any enrollment screen finishes enrollment now
Test: Going back/forward works

Change-Id: I2c80a5586c10fa3feb780a5eadfe203abed52dea

src/com/android/settings/biometrics/BiometricEnrollIntroduction.java

@@ -47,6 +47,8 @@ public abstract class BiometricEnrollIntroduction extends BiometricEnrollBase
     private boolean mHasPassword;
     private boolean mBiometricUnlockDisabledByAdmin;
     private TextView mErrorText;
+    protected boolean mConfirmingCredentials;
+    protected boolean mNextClicked;
 
     /**
      * @return true if the biometric is disabled by a device administrator
@@ -149,10 +151,12 @@ public abstract class BiometricEnrollIntroduction extends BiometricEnrollBase
 
         if (!mHasPassword) {
             // No password registered, launch into enrollment wizard.
+            mConfirmingCredentials = true;
             launchChooseLock();
         } else if (mToken == null) {
             // It's possible to have a token but mLaunchedConfirmLock == false, since
             // ChooseLockGeneric can pass us a token.
+            mConfirmingCredentials = true;
             launchConfirmLock(getConfirmLockTitleResId(), getChallenge());
         }
     }
@@ -182,6 +186,7 @@ public abstract class BiometricEnrollIntroduction extends BiometricEnrollBase
 
     @Override
     protected void onNextButtonClick(View view) {
+        mNextClicked = true;
         if (checkMaxEnrolled() == 0) {
             // Lock thingy is already set up, launch directly to the next page
             launchNextEnrollingActivity(mToken);
@@ -249,12 +254,14 @@ public abstract class BiometricEnrollIntroduction extends BiometricEnrollBase
                 mToken = data.getByteArrayExtra(
                         ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN);
                 overridePendingTransition(R.anim.sud_slide_next_in, R.anim.sud_slide_next_out);
+                mConfirmingCredentials = false;
                 return;
             } else {
                 setResult(resultCode, data);
                 finish();
             }
         } else if (requestCode == CONFIRM_REQUEST) {
+            mConfirmingCredentials = false;
             if (resultCode == RESULT_OK && data != null) {
                 mToken = data.getByteArrayExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN);
                 overridePendingTransition(R.anim.sud_slide_next_in, R.anim.sud_slide_next_out);

src/com/android/settings/biometrics/face/FaceEnrollEducation.java

@@ -61,6 +61,7 @@ public class FaceEnrollEducation extends BiometricEnrollBase {
     private Handler mHandler;
     private Intent mResultIntent;
     private TextView mDescriptionText;
+    private boolean mNextClicked;
 
     private CompoundButton.OnCheckedChangeListener mSwitchDiversityListener =
             new CompoundButton.OnCheckedChangeListener() {
@@ -184,6 +185,17 @@ public class FaceEnrollEducation extends BiometricEnrollBase {
         }
     }
 
+    @Override
+    protected void onStop() {
+        super.onStop();
+
+        if (!isChangingConfigurations() && !WizardManagerHelper.isAnySetupWizard(getIntent())
+                && !mNextClicked) {
+            setResult(RESULT_SKIP);
+            finish();
+        }
+    }
+
     @Override
     protected void onNextButtonClick(View view) {
         final Intent intent = new Intent();
@@ -193,6 +205,7 @@ public class FaceEnrollEducation extends BiometricEnrollBase {
         if (mUserId != UserHandle.USER_NULL) {
             intent.putExtra(Intent.EXTRA_USER_ID, mUserId);
         }
+        intent.putExtra(EXTRA_FROM_SETTINGS_SUMMARY, mFromSettingsSummary);
         final String flattenedString = getString(R.string.config_face_enroll);
         if (!TextUtils.isEmpty(flattenedString)) {
             ComponentName componentName = ComponentName.unflattenFromString(flattenedString);
@@ -204,6 +217,7 @@ public class FaceEnrollEducation extends BiometricEnrollBase {
         if (mResultIntent != null) {
             intent.putExtras(mResultIntent);
         }
+        mNextClicked = true;
         WizardManagerHelper.copyWizardManagerExtras(getIntent(), intent);
         startActivityForResult(intent, BIOMETRIC_FIND_SENSOR_REQUEST);
     }

src/com/android/settings/biometrics/face/FaceEnrollIntroduction.java

@@ -77,6 +77,16 @@ public class FaceEnrollIntroduction extends BiometricEnrollIntroduction {
         );
     }
 
+    @Override
+    protected void onStop() {
+        super.onStop();
+
+        if (!isChangingConfigurations() && !mConfirmingCredentials && !mNextClicked
+                && !WizardManagerHelper.isAnySetupWizard(getIntent())) {
+            finish();
+        }
+    }
+
     @Override
     protected boolean isDisabledByAdmin() {
         return RestrictedLockUtilsInternal.checkIfKeyguardFeaturesDisabled(