16/n: Add PIN/Password
Bug: 140127687
Make AuthCredentialView abstract, and have the following subclasses
1) AuthCredentialPatternView
2) AuthCredentialPasswordView
Back button cancels password authentication
Test: manual test with pattern, pin, password
Test: atest com.android.systemui.biometrics
Change-Id: I95e42144616a59827da25d10d063990452714f76
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/AuthCredentialPasswordView.java b/packages/SystemUI/src/com/android/systemui/biometrics/AuthCredentialPasswordView.java
new file mode 100644
index 0000000..99a40ba
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/AuthCredentialPasswordView.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.biometrics;
+
+import android.content.Context;
+import android.text.InputType;
+import android.util.AttributeSet;
+import android.view.KeyEvent;
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputMethodManager;
+import android.widget.EditText;
+import android.widget.TextView;
+
+import com.android.internal.widget.LockPatternChecker;
+import com.android.internal.widget.LockPatternUtils;
+import com.android.systemui.R;
+
+/**
+ * Pin and Password UI
+ */
+public class AuthCredentialPasswordView extends AuthCredentialView
+ implements TextView.OnEditorActionListener {
+
+ private static final String TAG = "BiometricPrompt/AuthCredentialPasswordView";
+
+ private final InputMethodManager mImm;
+ private EditText mPasswordField;
+
+ public AuthCredentialPasswordView(Context context,
+ AttributeSet attrs) {
+ super(context, attrs);
+ mImm = mContext.getSystemService(InputMethodManager.class);
+ }
+
+ @Override
+ protected void onFinishInflate() {
+ super.onFinishInflate();
+ mPasswordField = findViewById(R.id.lockPassword);
+ mPasswordField.setOnEditorActionListener(this);
+
+ if (mCredentialType == Utils.CREDENTIAL_PIN) {
+ mPasswordField.setInputType(
+ InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_VARIATION_PASSWORD);
+ }
+
+ mPasswordField.setOnKeyListener((v, keyCode, event) -> {
+ if (keyCode != KeyEvent.KEYCODE_BACK) {
+ return false;
+ }
+ if (event.getAction() == KeyEvent.ACTION_UP) {
+ mContainerView.animateAway(AuthDialogCallback.DISMISSED_USER_CANCELED);
+ }
+ return true;
+ });
+ }
+
+ @Override
+ protected void onAttachedToWindow() {
+ super.onAttachedToWindow();
+
+ // Wait a bit to focus the field so the focusable flag on the window is already set then.
+ post(() -> {
+ mPasswordField.requestFocus();
+ mImm.showSoftInput(mPasswordField, InputMethodManager.SHOW_IMPLICIT);
+ });
+ }
+
+ @Override
+ public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
+ // Check if this was the result of hitting the enter key
+ final boolean isSoftImeEvent = event == null
+ && (actionId == EditorInfo.IME_NULL
+ || actionId == EditorInfo.IME_ACTION_DONE
+ || actionId == EditorInfo.IME_ACTION_NEXT);
+ final boolean isKeyboardEnterKey = event != null
+ && KeyEvent.isConfirmKey(event.getKeyCode())
+ && event.getAction() == KeyEvent.ACTION_DOWN;
+ if (isSoftImeEvent || isKeyboardEnterKey) {
+ checkPasswordAndUnlock();
+ return true;
+ }
+ return false;
+ }
+
+ private void checkPasswordAndUnlock() {
+ final byte[] password = LockPatternUtils.charSequenceToByteArray(mPasswordField.getText());
+ if (password == null || password.length == 0) {
+ return;
+ }
+
+ mPendingLockCheck = LockPatternChecker.checkPassword(mLockPatternUtils,
+ password, mUserId, this::onCredentialChecked);
+ }
+
+ @Override
+ protected void onCredentialChecked(boolean matched, int timeoutMs) {
+ super.onCredentialChecked(matched, timeoutMs);
+
+ if (matched) {
+ mImm.hideSoftInputFromWindow(getWindowToken(), 0 /* flags */);
+ } else {
+ mPasswordField.setText("");
+ }
+ }
+}