From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: flawedworld <38294951+flawedworld@users.noreply.github.com> Date: Tue, 6 Apr 2021 01:15:32 +0100 Subject: [PATCH] add native debugging setting --- res/values/strings.xml | 3 + res/xml/security_dashboard_settings.xml | 6 + .../NativeDebugPreferenceController.java | 106 ++++++++++++++++++ .../settings/security/SecuritySettings.java | 1 + 4 files changed, 116 insertions(+) create mode 100644 src/com/android/settings/security/NativeDebugPreferenceController.java diff --git a/res/values/strings.xml b/res/values/strings.xml index d80f6cbd94..05a253e170 100644 --- a/res/values/strings.xml +++ b/res/values/strings.xml @@ -10146,4 +10146,7 @@ Auto reboot Automatically reboot the device, if the phone hasn\'t been unlocked within the selected number of hours. + + Enable native code debugging + Generate useful logs / bug reports from crashes and permit debugging native code. diff --git a/res/xml/security_dashboard_settings.xml b/res/xml/security_dashboard_settings.xml index 5d13c434d4..0e8f0f511a 100644 --- a/res/xml/security_dashboard_settings.xml +++ b/res/xml/security_dashboard_settings.xml @@ -63,6 +63,12 @@ android:persistent="false" android:entries="@array/auto_reboot_entries" android:entryValues="@array/auto_reboot_values" /> + + diff --git a/src/com/android/settings/security/NativeDebugPreferenceController.java b/src/com/android/settings/security/NativeDebugPreferenceController.java new file mode 100644 index 0000000000..9271e6e21c --- /dev/null +++ b/src/com/android/settings/security/NativeDebugPreferenceController.java @@ -0,0 +1,106 @@ +/* + * Copyright (C) 2020 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.settings.security; + +import android.content.Context; + +import android.os.UserHandle; +import android.os.UserManager; +import android.os.SystemProperties; + +import android.provider.Settings; + +import androidx.preference.Preference; +import androidx.preference.PreferenceCategory; +import androidx.preference.PreferenceGroup; +import androidx.preference.PreferenceScreen; +import androidx.preference.TwoStatePreference; +import androidx.preference.SwitchPreference; + +import com.android.internal.widget.LockPatternUtils; +import com.android.settings.core.PreferenceControllerMixin; +import com.android.settingslib.core.AbstractPreferenceController; +import com.android.settingslib.core.lifecycle.events.OnResume; + +public class NativeDebugPreferenceController extends AbstractPreferenceController + implements PreferenceControllerMixin, OnResume, Preference.OnPreferenceChangeListener { + + private static final String SYS_KEY_NATIVE_DEBUG = "persist.native_debug"; + private static final String PREF_KEY_NATIVE_DEBUG = "native_debug"; + private static final String PREF_KEY_SECURITY_CATEGORY = "security_category"; + + private PreferenceCategory mSecurityCategory; + private SwitchPreference mNativeDebug; + private boolean mIsAdmin; + private UserManager mUm; + + public NativeDebugPreferenceController(Context context) { + super(context); + mUm = UserManager.get(context); + } + + @Override + public void displayPreference(PreferenceScreen screen) { + super.displayPreference(screen); + mSecurityCategory = screen.findPreference(PREF_KEY_SECURITY_CATEGORY); + updatePreferenceState(); + } + + @Override + public boolean isAvailable() { + mIsAdmin = mUm.isAdminUser(); + return mIsAdmin; + } + + @Override + public String getPreferenceKey() { + return PREF_KEY_NATIVE_DEBUG; + } + + // TODO: should we use onCreatePreferences() instead? + private void updatePreferenceState() { + if (mSecurityCategory == null) { + return; + } + + if (mIsAdmin) { + mNativeDebug = (SwitchPreference) mSecurityCategory.findPreference(PREF_KEY_NATIVE_DEBUG); + mNativeDebug.setChecked(SystemProperties.getBoolean(SYS_KEY_NATIVE_DEBUG, true)); + } else { + mSecurityCategory.removePreference(mSecurityCategory.findPreference(PREF_KEY_NATIVE_DEBUG)); + } + } + + @Override + public void onResume() { + updatePreferenceState(); + if (mNativeDebug != null) { + boolean mode = mNativeDebug.isChecked(); + SystemProperties.set(SYS_KEY_NATIVE_DEBUG, Boolean.toString(mode)); + } + } + + @Override + public boolean onPreferenceChange(Preference preference, Object value) { + final String key = preference.getKey(); + if (PREF_KEY_NATIVE_DEBUG.equals(key)) { + final boolean mode = !mNativeDebug.isChecked(); + SystemProperties.set(SYS_KEY_NATIVE_DEBUG, Boolean.toString(mode)); + } + return true; + } +} diff --git a/src/com/android/settings/security/SecuritySettings.java b/src/com/android/settings/security/SecuritySettings.java index defbdc2e68..89f5176121 100644 --- a/src/com/android/settings/security/SecuritySettings.java +++ b/src/com/android/settings/security/SecuritySettings.java @@ -129,6 +129,7 @@ public class SecuritySettings extends DashboardFragment { securityPreferenceControllers.add(new LockScreenPreferenceController(context, lifecycle)); securityPreferenceControllers.add(new ChangeScreenLockPreferenceController(context, host)); securityPreferenceControllers.add(new AutoRebootPreferenceController(context)); + securityPreferenceControllers.add(new NativeDebugPreferenceController(context)); controllers.add(new PreferenceCategoryController(context, SECURITY_CATEGORY) .setChildren(securityPreferenceControllers)); controllers.addAll(securityPreferenceControllers);