Use a shared password text view for PIN lock (29486381) · Commits · e / os / android_frameworks_base

packages/SystemUI/shared/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -50,6 +50,7 @@ android_library {
		"SystemUIAnimationLib",
		"SystemUIPluginLib",
		"SystemUIUnfoldLib",
		"SystemUISharedLib-Keyguard",
		"androidx.dynamicanimation_dynamicanimation",
		"androidx.concurrent_concurrent-futures",
		"androidx.lifecycle_lifecycle-runtime-ktx",

packages/SystemUI/shared/keyguard/Android.bp

0 → 100644

+16 −0

Original line number	Diff line number	Diff line
		package {
		// See: http://go/android-license-faq
		// A large-scale-change added 'default_applicable_licenses' to import
		// all of the 'license_kinds' from "frameworks_base_packages_SystemUI_license"
		// to get the below license kinds:
		// SPDX-license-identifier-Apache-2.0
		default_applicable_licenses: ["frameworks_base_packages_SystemUI_license"],
		}

		android_library {
		name: "SystemUISharedLib-Keyguard",
		srcs: [
		"src/*/.java",
		],
		min_sdk_version: "current",
		}

packages/SystemUI/shared/keyguard/AndroidManifest.xml

0 → 100644

+20 −0

Original line number	Diff line number	Diff line
		<?xml version="1.0" encoding="utf-8"?>
		<!--
		~ Copyright (C) 2023 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.
		-->

		<manifest xmlns:android="http://schemas.android.com/apk/res/android"
		package="com.android.systemui.shared.keyguard">
		</manifest>
		No newline at end of file

packages/SystemUI/shared/keyguard/src/com/android/keyguard/BasePasswordTextView.java

0 → 100644

+239 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2023 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.keyguard;

		import android.annotation.CallSuper;
		import android.content.Context;
		import android.text.InputType;
		import android.text.TextUtils;
		import android.util.AttributeSet;
		import android.view.accessibility.AccessibilityEvent;
		import android.view.accessibility.AccessibilityManager;
		import android.view.accessibility.AccessibilityNodeInfo;
		import android.widget.EditText;
		import android.widget.FrameLayout;

		/**
		* A View similar to a textView which contains password text and can animate when the text is
		* changed
		*/
		public abstract class BasePasswordTextView extends FrameLayout {
		private String mText = "";
		private UserActivityListener mUserActivityListener;
		protected boolean mIsPinHinting;
		protected PinShapeInput mPinShapeInput;
		protected boolean mShowPassword = true;
		protected boolean mUsePinShapes = false;
		protected static final char DOT = '\u2022';

		/** Listens to user activities like appending, deleting and resetting PIN text */
		public interface UserActivityListener {

		/** Listens to user activities. */
		void onUserActivity();
		}

		public BasePasswordTextView(Context context) {
		this(context, null);
		}

		public BasePasswordTextView(Context context, AttributeSet attrs) {
		this(context, attrs, 0);
		}

		public BasePasswordTextView(Context context, AttributeSet attrs, int defStyleAttr) {
		this(context, attrs, defStyleAttr, 0);
		}

		public BasePasswordTextView(
		Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
		super(context, attrs, defStyleAttr, defStyleRes);
		}

		protected abstract PinShapeInput inflatePinShapeInput(boolean isPinHinting);

		protected abstract boolean shouldSendAccessibilityEvent();

		protected void onAppend(char c, int newLength) {}

		protected void onDelete(int index) {}

		protected void onReset(boolean animated) {}

		@CallSuper
		protected void onUserActivity() {
		if (mUserActivityListener != null) {
		mUserActivityListener.onUserActivity();
		}
		}

		@Override
		public boolean hasOverlappingRendering() {
		return false;
		}

		/** Appends a PIN text */
		public void append(char c) {
		CharSequence textbefore = getTransformedText();

		mText = mText + c;
		int newLength = mText.length();
		onAppend(c, newLength);

		if (mPinShapeInput != null) {
		mPinShapeInput.append();
		}

		onUserActivity();

		sendAccessibilityEventTypeViewTextChanged(textbefore, textbefore.length(), 0, 1);
		}

		/** Sets a listener who is notified on user activity */
		public void setUserActivityListener(UserActivityListener userActivityListener) {
		mUserActivityListener = userActivityListener;
		}

		/** Deletes the last PIN text */
		public void deleteLastChar() {
		int length = mText.length();
		if (length > 0) {
		CharSequence textbefore = getTransformedText();

		mText = mText.substring(0, length - 1);
		onDelete(length - 1);

		if (mPinShapeInput != null) {
		mPinShapeInput.delete();
		}

		sendAccessibilityEventTypeViewTextChanged(textbefore, textbefore.length() - 1, 1, 0);
		}
		onUserActivity();
		}

		/** Gets entered PIN text */
		public String getText() {
		return mText;
		}

		/** Gets a transformed text for accessibility event. Called before text changed. */
		protected CharSequence getTransformedText() {
		return String.valueOf(DOT).repeat(mText.length());
		}

		/** Gets a transformed text for accessibility event. Called after text changed. */
		protected CharSequence getTransformedText(int fromIndex, int removedCount, int addedCount) {
		return getTransformedText();
		}

		/** Reset PIN text without error */
		public void reset(boolean animated, boolean announce) {
		reset(false /* error */, animated, announce);
		}

		/** Reset PIN text */
		public void reset(boolean error, boolean animated, boolean announce) {
		CharSequence textbefore = getTransformedText();

		mText = "";

		onReset(animated);
		if (animated) {
		onUserActivity();
		}

		if (mPinShapeInput != null) {
		if (error) {
		mPinShapeInput.resetWithError();
		} else {
		mPinShapeInput.reset();
		}
		}

		if (announce) {
		sendAccessibilityEventTypeViewTextChanged(textbefore, 0, textbefore.length(), 0);
		}
		}

		void sendAccessibilityEventTypeViewTextChanged(
		CharSequence beforeText, int fromIndex, int removedCount, int addedCount) {
		if (AccessibilityManager.getInstance(mContext).isEnabled()
		&& shouldSendAccessibilityEvent()) {
		AccessibilityEvent event =
		AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED);
		event.setFromIndex(fromIndex);
		event.setRemovedCount(removedCount);
		event.setAddedCount(addedCount);
		event.setBeforeText(beforeText);
		CharSequence transformedText = getTransformedText(fromIndex, removedCount, addedCount);
		if (!TextUtils.isEmpty(transformedText)) {
		event.getText().add(transformedText);
		}
		event.setPassword(true);
		sendAccessibilityEventUnchecked(event);
		}
		}

		/** Sets whether to use pin shapes. */
		public void setUsePinShapes(boolean usePinShapes) {
		mUsePinShapes = usePinShapes;
		}

		/** Determines whether AutoConfirmation feature is on. */
		public void setIsPinHinting(boolean isPinHinting) {
		// Do not reinflate the view if we are using the same one.
		if (mPinShapeInput != null && mIsPinHinting == isPinHinting) {
		return;
		}
		mIsPinHinting = isPinHinting;

		if (mPinShapeInput != null) {
		removeView(mPinShapeInput.getView());
		mPinShapeInput = null;
		}

		mPinShapeInput = inflatePinShapeInput(isPinHinting);
		addView(mPinShapeInput.getView());
		}

		/** Controls whether the last entered digit is briefly shown after being entered */
		public void setShowPassword(boolean enabled) {
		mShowPassword = enabled;
		}

		@Override
		public void onInitializeAccessibilityEvent(AccessibilityEvent event) {
		super.onInitializeAccessibilityEvent(event);

		event.setClassName(EditText.class.getName());
		event.setPassword(true);
		}

		@Override
		public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
		super.onInitializeAccessibilityNodeInfo(info);

		info.setClassName(EditText.class.getName());
		info.setPassword(true);
		info.setText(getTransformedText());

		info.setEditable(true);

		info.setInputType(InputType.TYPE_NUMBER_VARIATION_PASSWORD);
		}
		}

packages/SystemUI/src/com/android/keyguard/PinShapeInput.java→packages/SystemUI/shared/keyguard/src/com/android/keyguard/PinShapeInput.java

+8 −0

Original line number	Diff line number	Diff line
		@@ -43,6 +43,14 @@ public interface PinShapeInput {
		*/
		void reset();

		/**
		* This is the method that is triggered for resetting the view with error If it doesn't have to
		* show something regarding error, just reset
		*/
		default void resetWithError() {
		reset();
		}

		/**
		* This is the method that is triggered for getting the view
		*/