Add support for Predictive Back in CredentialPasswordViewBinder (1417609a) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/CredentialPasswordViewBinder.kt

+25 −6

Original line number	Diff line number	Diff line
		@@ -6,6 +6,8 @@ import android.view.inputmethod.EditorInfo
		import android.view.inputmethod.InputMethodManager
		import android.widget.ImeAwareEditText
		import android.widget.TextView
		import android.window.OnBackInvokedCallback
		import android.window.OnBackInvokedDispatcher
		import androidx.lifecycle.Lifecycle
		import androidx.lifecycle.repeatOnLifecycle
		import com.android.systemui.R
		@@ -13,7 +15,7 @@ import com.android.systemui.biometrics.ui.CredentialPasswordView
		import com.android.systemui.biometrics.ui.CredentialView
		import com.android.systemui.biometrics.ui.viewmodel.CredentialViewModel
		import com.android.systemui.lifecycle.repeatWhenAttached
		import kotlinx.coroutines.flow.collect
		import kotlinx.coroutines.awaitCancellation
		import kotlinx.coroutines.launch

		/** Sub-binder for the [CredentialPasswordView]. */
		@@ -29,6 +31,8 @@ object CredentialPasswordViewBinder {

		val passwordField: ImeAwareEditText = view.requireViewById(R.id.lockPassword)

		val onBackInvokedCallback = OnBackInvokedCallback { host.onCredentialAborted() }

		view.repeatWhenAttached {
		passwordField.requestFocus()
		passwordField.scheduleShowSoftInput()
		@@ -43,9 +47,7 @@ object CredentialPasswordViewBinder {
		launch { viewModel.checkCredential(text, header) }
		}
		)
		passwordField.setOnKeyListener(
		OnBackButtonListener { host.onCredentialAborted() }
		)
		passwordField.setOnKeyListener(OnBackButtonListener(onBackInvokedCallback))
		}
		}

		@@ -66,18 +68,35 @@ object CredentialPasswordViewBinder {
		}
		}
		}

		val onBackInvokedDispatcher = view.findOnBackInvokedDispatcher()
		if (onBackInvokedDispatcher != null) {
		launch {
		onBackInvokedDispatcher.registerOnBackInvokedCallback(
		OnBackInvokedDispatcher.PRIORITY_DEFAULT,
		onBackInvokedCallback
		)
		awaitCancellation()
		}
		.invokeOnCompletion {
		onBackInvokedDispatcher.unregisterOnBackInvokedCallback(
		onBackInvokedCallback
		)
		}
		}
		}
		}
		}
		}

		private class OnBackButtonListener(private val onBack: () -> Unit) : View.OnKeyListener {
		private class OnBackButtonListener(private val onBackInvokedCallback: OnBackInvokedCallback) :
		View.OnKeyListener {
		override fun onKey(v: View, keyCode: Int, event: KeyEvent): Boolean {
		if (keyCode != KeyEvent.KEYCODE_BACK) {
		return false
		}
		if (event.action == KeyEvent.ACTION_UP) {
		onBack()
		onBackInvokedCallback.onBackInvoked()
		}
		return true
		}

packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthContainerViewTest.kt

+37 −14

Original line number	Diff line number	Diff line
		@@ -124,6 +124,21 @@ class AuthContainerViewTest : SysuiTestCase() {
		assertThat(root.isAttachedToWindow).isFalse()
		}

		@Test
		fun testCredentialPasswordDismissesOnBack() {
		val container = initializeCredentialPasswordContainer(addToView = true)
		assertThat(container.parent).isNotNull()
		val root = container.rootView

		// Simulate back invocation
		container.dispatchKeyEvent(KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_BACK))
		container.dispatchKeyEvent(KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_BACK))
		waitForIdleSync()

		assertThat(container.parent).isNull()
		assertThat(root.isAttachedToWindow).isFalse()
		}

		@Test
		fun testIgnoresAnimatedInWhenDismissed() {
		val container = initializeFingerprintContainer(addToView = false)
		@@ -369,20 +384,7 @@ class AuthContainerViewTest : SysuiTestCase() {

		@Test
		fun testCredentialUI_disablesClickingOnBackground() {
		whenever(userManager.getCredentialOwnerProfile(anyInt())).thenReturn(20)
		whenever(lockPatternUtils.getKeyguardStoredPasswordQuality(eq(20))).thenReturn(
		DevicePolicyManager.PASSWORD_QUALITY_NUMERIC
		)

		// In the credential view, clicking on the background (to cancel authentication) is not
		// valid. Thus, the listener should be null, and it should not be in the accessibility
		// hierarchy.
		val container = initializeFingerprintContainer(
		authenticators = BiometricManager.Authenticators.DEVICE_CREDENTIAL
		)
		waitForIdleSync()

		assertThat(container.hasCredentialPasswordView()).isTrue()
		val container = initializeCredentialPasswordContainer()
		assertThat(container.hasBiometricPrompt()).isFalse()
		assertThat(
		container.findViewById<View>(R.id.background)?.isImportantForAccessibility
		@@ -442,6 +444,27 @@ class AuthContainerViewTest : SysuiTestCase() {
		verify(callback).onTryAgainPressed(authContainer?.requestId ?: 0L)
		}

		private fun initializeCredentialPasswordContainer(
		addToView: Boolean = true,
		): TestAuthContainerView {
		whenever(userManager.getCredentialOwnerProfile(anyInt())).thenReturn(20)
		whenever(lockPatternUtils.getKeyguardStoredPasswordQuality(eq(20))).thenReturn(
		DevicePolicyManager.PASSWORD_QUALITY_NUMERIC
		)

		// In the credential view, clicking on the background (to cancel authentication) is not
		// valid. Thus, the listener should be null, and it should not be in the accessibility
		// hierarchy.
		val container = initializeFingerprintContainer(
		authenticators = BiometricManager.Authenticators.DEVICE_CREDENTIAL,
		addToView = addToView,
		)
		waitForIdleSync()

		assertThat(container.hasCredentialPasswordView()).isTrue()
		return container
		}

		private fun initializeFingerprintContainer(
		authenticators: Int = BiometricManager.Authenticators.BIOMETRIC_WEAK,
		addToView: Boolean = true