Settings for new accessibility shortcut.
Repurposing shortcut setting to make it configurable. Bug: 30160335 Test: Verified that the setting dialog appears with both default and newly added accessibility services. Toggled services on and off, and verified that nothing happened when the shortcut was disabled. Change-Id: I14d00109212bdd4b7919b2d51f702c8f118007fa
This commit is contained in:
Phil Weaver
@@ -0,0 +1,157 @@
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.accessibility;
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import android.accessibilityservice.AccessibilityServiceInfo;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.os.storage.StorageManager;
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import android.view.LayoutInflater;
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import android.view.MotionEvent;
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import android.view.View;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import android.widget.Toast;
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import com.android.settings.R;
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import java.util.List;
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/**
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* Utility class for creating the dialog that asks users for explicit permission to grant
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* all of the requested capabilities to an accessibility service before the service is enabled
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*/
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public class AccessibilityServiceWarning {
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public static Dialog createCapabilitiesDialog(Activity parentActivity,
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AccessibilityServiceInfo info, DialogInterface.OnClickListener listener) {
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final AlertDialog ad = new AlertDialog.Builder(parentActivity)
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.setTitle(parentActivity.getString(R.string.enable_service_title,
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info.getResolveInfo().loadLabel(parentActivity.getPackageManager())))
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.setView(createEnableDialogContentView(parentActivity, info))
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.setCancelable(true)
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.setPositiveButton(android.R.string.ok, listener)
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.setNegativeButton(android.R.string.cancel, listener)
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.create();
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final View.OnTouchListener filterTouchListener = (View v, MotionEvent event) -> {
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// Filter obscured touches by consuming them.
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if ((event.getFlags() & MotionEvent.FLAG_WINDOW_IS_OBSCURED) != 0) {
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if (event.getAction() == MotionEvent.ACTION_UP) {
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Toast.makeText(v.getContext(), R.string.touch_filtered_warning,
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Toast.LENGTH_SHORT).show();
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}
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return true;
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}
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return false;
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};
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ad.create();
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ad.getButton(AlertDialog.BUTTON_POSITIVE).setOnTouchListener(filterTouchListener);
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return ad;
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}
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/**
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* Return whether the device is encrypted with legacy full disk encryption. Newer devices
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* should be using File Based Encryption.
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*
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* @return true if device is encrypted
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*/
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private static boolean isFullDiskEncrypted() {
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return StorageManager.isNonDefaultBlockEncrypted();
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}
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private static View createEnableDialogContentView(Activity parentActivity,
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AccessibilityServiceInfo info) {
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LayoutInflater inflater = (LayoutInflater) parentActivity.getSystemService(
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Context.LAYOUT_INFLATER_SERVICE);
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View content = inflater.inflate(R.layout.enable_accessibility_service_dialog_content,
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null);
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TextView encryptionWarningView = (TextView) content.findViewById(
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R.id.encryption_warning);
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if (isFullDiskEncrypted()) {
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String text = parentActivity.getString(R.string.enable_service_encryption_warning,
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info.getResolveInfo().loadLabel(parentActivity.getPackageManager()));
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encryptionWarningView.setText(text);
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encryptionWarningView.setVisibility(View.VISIBLE);
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} else {
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encryptionWarningView.setVisibility(View.GONE);
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}
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TextView capabilitiesHeaderView = (TextView) content.findViewById(
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R.id.capabilities_header);
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capabilitiesHeaderView.setText(parentActivity.getString(R.string.capabilities_list_title,
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info.getResolveInfo().loadLabel(parentActivity.getPackageManager())));
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LinearLayout capabilitiesView = (LinearLayout) content.findViewById(R.id.capabilities);
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// This capability is implicit for all services.
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View capabilityView = inflater.inflate(
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com.android.internal.R.layout.app_permission_item_old, null);
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ImageView imageView = (ImageView) capabilityView.findViewById(
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com.android.internal.R.id.perm_icon);
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imageView.setImageDrawable(parentActivity.getDrawable(
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com.android.internal.R.drawable.ic_text_dot));
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TextView labelView = (TextView) capabilityView.findViewById(
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com.android.internal.R.id.permission_group);
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labelView.setText(parentActivity.getString(
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R.string.capability_title_receiveAccessibilityEvents));
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TextView descriptionView = (TextView) capabilityView.findViewById(
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com.android.internal.R.id.permission_list);
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descriptionView.setText(
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parentActivity.getString(R.string.capability_desc_receiveAccessibilityEvents));
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List<AccessibilityServiceInfo.CapabilityInfo> capabilities =
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info.getCapabilityInfos();
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capabilitiesView.addView(capabilityView);
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// Service-specific capabilities.
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final int capabilityCount = capabilities.size();
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for (int i = 0; i < capabilityCount; i++) {
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AccessibilityServiceInfo.CapabilityInfo capability = capabilities.get(i);
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capabilityView = inflater.inflate(
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com.android.internal.R.layout.app_permission_item_old, null);
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imageView = (ImageView) capabilityView.findViewById(
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com.android.internal.R.id.perm_icon);
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imageView.setImageDrawable(parentActivity.getDrawable(
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com.android.internal.R.drawable.ic_text_dot));
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labelView = (TextView) capabilityView.findViewById(
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com.android.internal.R.id.permission_group);
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labelView.setText(parentActivity.getString(capability.titleResId));
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descriptionView = (TextView) capabilityView.findViewById(
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com.android.internal.R.id.permission_list);
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descriptionView.setText(parentActivity.getString(capability.descResId));
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capabilitiesView.addView(capabilityView);
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}
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return content;
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}
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}
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