From 9b5063f0ed78983c90ae2e1d0a03d371198ccd3a Mon Sep 17 00:00:00 2001 From: Simon Shields Date: Fri, 18 Mar 2016 23:12:15 +1100 Subject: [PATCH] exynos4: commonize AdvancedDisplay [1/3] * show in settings * drop support lib * drop unnecessary viewpager/tab bar * drop unused strings/resources Change-Id: I90c62d7b106ad744ae698044f6f17a759fcbf8a3 --- exynos4/AdvancedDisplay/Android.mk | 13 +++ exynos4/AdvancedDisplay/AndroidManifest.xml | 39 +++++++++ .../drawable/ic_settings_advanced_display.xml | 30 +++++++ .../res/layout/framelayout.xml | 5 ++ exynos4/AdvancedDisplay/res/values/arrays.xml | 65 +++++++++++++++ exynos4/AdvancedDisplay/res/values/colors.xml | 22 +++++ exynos4/AdvancedDisplay/res/values/config.xml | 26 ++++++ exynos4/AdvancedDisplay/res/values/dimens.xml | 20 +++++ .../AdvancedDisplay/res/values/strings.xml | 31 +++++++ exynos4/AdvancedDisplay/res/values/styles.xml | 29 +++++++ .../res/xml/screen_preferences.xml | 36 ++++++++ .../settings/device/DisplaySettings.java | 70 ++++++++++++++++ .../device/ScreenFragmentActivity.java | 79 ++++++++++++++++++ .../cyanogenmod/settings/device/Startup.java | 32 +++++++ .../cyanogenmod/settings/device/Utils.java | 83 +++++++++++++++++++ .../settings/device/mDNIeMode.java | 61 ++++++++++++++ .../settings/device/mDNIeNegative.java | 61 ++++++++++++++ .../settings/device/mDNIeScenario.java | 61 ++++++++++++++ 18 files changed, 763 insertions(+) create mode 100644 exynos4/AdvancedDisplay/Android.mk create mode 100644 exynos4/AdvancedDisplay/AndroidManifest.xml create mode 100644 exynos4/AdvancedDisplay/res/drawable/ic_settings_advanced_display.xml create mode 100755 exynos4/AdvancedDisplay/res/layout/framelayout.xml create mode 100644 exynos4/AdvancedDisplay/res/values/arrays.xml create mode 100644 exynos4/AdvancedDisplay/res/values/colors.xml create mode 100644 exynos4/AdvancedDisplay/res/values/config.xml create mode 100644 exynos4/AdvancedDisplay/res/values/dimens.xml create mode 100644 exynos4/AdvancedDisplay/res/values/strings.xml create mode 100644 exynos4/AdvancedDisplay/res/values/styles.xml create mode 100644 exynos4/AdvancedDisplay/res/xml/screen_preferences.xml create mode 100644 exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/DisplaySettings.java create mode 100644 exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/ScreenFragmentActivity.java create mode 100644 exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/Startup.java create mode 100644 exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/Utils.java create mode 100644 exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeMode.java create mode 100644 exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeNegative.java create mode 100644 exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeScenario.java diff --git a/exynos4/AdvancedDisplay/Android.mk b/exynos4/AdvancedDisplay/Android.mk new file mode 100644 index 00000000..1ed8c105 --- /dev/null +++ b/exynos4/AdvancedDisplay/Android.mk @@ -0,0 +1,13 @@ +LOCAL_PATH:= $(call my-dir) +include $(CLEAR_VARS) + +LOCAL_MODULE_TAGS := optional + +LOCAL_SRC_FILES := $(call all-java-files-under, src) + +LOCAL_PACKAGE_NAME := AdvancedDisplay +LOCAL_CERTIFICATE := platform + +include $(BUILD_PACKAGE) + +include $(call all-makefiles-under,$(LOCAL_PATH)) diff --git a/exynos4/AdvancedDisplay/AndroidManifest.xml b/exynos4/AdvancedDisplay/AndroidManifest.xml new file mode 100644 index 00000000..96798f3d --- /dev/null +++ b/exynos4/AdvancedDisplay/AndroidManifest.xml @@ -0,0 +1,39 @@ + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/exynos4/AdvancedDisplay/res/drawable/ic_settings_advanced_display.xml b/exynos4/AdvancedDisplay/res/drawable/ic_settings_advanced_display.xml new file mode 100644 index 00000000..61cb8dde --- /dev/null +++ b/exynos4/AdvancedDisplay/res/drawable/ic_settings_advanced_display.xml @@ -0,0 +1,30 @@ + + + + + + + diff --git a/exynos4/AdvancedDisplay/res/layout/framelayout.xml b/exynos4/AdvancedDisplay/res/layout/framelayout.xml new file mode 100755 index 00000000..e2ab9ad8 --- /dev/null +++ b/exynos4/AdvancedDisplay/res/layout/framelayout.xml @@ -0,0 +1,5 @@ + + diff --git a/exynos4/AdvancedDisplay/res/values/arrays.xml b/exynos4/AdvancedDisplay/res/values/arrays.xml new file mode 100644 index 00000000..be9f3488 --- /dev/null +++ b/exynos4/AdvancedDisplay/res/values/arrays.xml @@ -0,0 +1,65 @@ + + + + + CyanogenMod (default) + UI + Video + Video warm + Video cold + Camera + Navigation + Gallery + VT + + + + 0 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + + + + Dynamic (default) + Standard + Natural + Movie + + + + 0 + 1 + 2 + 3 + + + + Normal + Inverted + + + + 0 + 1 + + diff --git a/exynos4/AdvancedDisplay/res/values/colors.xml b/exynos4/AdvancedDisplay/res/values/colors.xml new file mode 100644 index 00000000..2a95ee2a --- /dev/null +++ b/exynos4/AdvancedDisplay/res/values/colors.xml @@ -0,0 +1,22 @@ + + + + + #ff263238 + #ff21272b + #ff009688 + diff --git a/exynos4/AdvancedDisplay/res/values/config.xml b/exynos4/AdvancedDisplay/res/values/config.xml new file mode 100644 index 00000000..a26bed08 --- /dev/null +++ b/exynos4/AdvancedDisplay/res/values/config.xml @@ -0,0 +1,26 @@ + + + + + + + + "/sys/class/mdnie/mdnie/scenario" + "/sys/class/mdnie/mdnie/mode" + "/sys/class/mdnie/mdnie/negative" + + diff --git a/exynos4/AdvancedDisplay/res/values/dimens.xml b/exynos4/AdvancedDisplay/res/values/dimens.xml new file mode 100644 index 00000000..62f1899d --- /dev/null +++ b/exynos4/AdvancedDisplay/res/values/dimens.xml @@ -0,0 +1,20 @@ + + + + + 72dp + diff --git a/exynos4/AdvancedDisplay/res/values/strings.xml b/exynos4/AdvancedDisplay/res/values/strings.xml new file mode 100644 index 00000000..6e6d2136 --- /dev/null +++ b/exynos4/AdvancedDisplay/res/values/strings.xml @@ -0,0 +1,31 @@ + + + + Advanced display + + + Screen + Colors + + + Scenario + Set the mDNIe scenario + Mode + Set the mDNIe mode + Negative mode + Enable/disable inverted colors + diff --git a/exynos4/AdvancedDisplay/res/values/styles.xml b/exynos4/AdvancedDisplay/res/values/styles.xml new file mode 100644 index 00000000..af83c00d --- /dev/null +++ b/exynos4/AdvancedDisplay/res/values/styles.xml @@ -0,0 +1,29 @@ + + + + + + + diff --git a/exynos4/AdvancedDisplay/res/xml/screen_preferences.xml b/exynos4/AdvancedDisplay/res/xml/screen_preferences.xml new file mode 100644 index 00000000..56e536cc --- /dev/null +++ b/exynos4/AdvancedDisplay/res/xml/screen_preferences.xml @@ -0,0 +1,36 @@ + + + + + + + + + + + + + + + + + diff --git a/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/DisplaySettings.java b/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/DisplaySettings.java new file mode 100644 index 00000000..e5930c8d --- /dev/null +++ b/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/DisplaySettings.java @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2012 The CyanogenMod 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.cyanogenmod.settings.device; + +import android.app.Activity; +import android.app.ActionBar; +import android.app.Activity; +import android.app.Fragment; +import android.app.FragmentTransaction; +import android.content.Context; +import android.os.Bundle; +import android.view.MenuItem; +import android.widget.FrameLayout; + +import com.cyanogenmod.settings.device.R; + +import java.util.ArrayList; + +public class DisplaySettings extends Activity { + + public static final String SHARED_PREFERENCES_BASENAME = "com.cyanogenmod.settings.device"; + public static final String ACTION_UPDATE_PREFERENCES = "com.cyanogenmod.settings.device.UPDATE"; + public static final String KEY_MDNIE_SCENARIO = "mdnie_scenario"; + public static final String KEY_MDNIE_MODE = "mdnie_mode"; + public static final String KEY_MDNIE_NEGATIVE = "mdnie_negative"; + + ScreenFragmentActivity mFragment; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + mFragment = new ScreenFragmentActivity(); + setContentView(R.layout.framelayout); + getFragmentManager().beginTransaction().add(R.id.frameLayout, mFragment).commit(); + + final ActionBar bar = getActionBar(); + bar.setTitle(R.string.app_name); + bar.setDisplayHomeAsUpEnabled(true); + + } + + @Override + protected void onSaveInstanceState(Bundle outState) { + super.onSaveInstanceState(outState); + } + + @Override + public boolean onOptionsItemSelected(MenuItem item) { + switch (item.getItemId()) { + case android.R.id.home: + DisplaySettings.this.onBackPressed(); + default: + return super.onOptionsItemSelected(item); + } + } +} diff --git a/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/ScreenFragmentActivity.java b/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/ScreenFragmentActivity.java new file mode 100644 index 00000000..7b64a4f4 --- /dev/null +++ b/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/ScreenFragmentActivity.java @@ -0,0 +1,79 @@ +/* + * Copyright (C) 2012 The CyanogenMod 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.cyanogenmod.settings.device; + +import android.content.Context; +import android.content.res.Resources; +import android.content.SharedPreferences; +import android.os.Bundle; +import android.preference.CheckBoxPreference; +import android.preference.ListPreference; +import android.preference.Preference; +import android.preference.PreferenceActivity; +import android.preference.PreferenceCategory; +import android.preference.PreferenceFragment; +import android.preference.PreferenceManager; +import android.preference.PreferenceScreen; +import android.util.Log; + +import com.cyanogenmod.settings.device.R; + +public class ScreenFragmentActivity extends PreferenceFragment { + + private static final String PREF_ENABLED = "1"; + private static final String TAG = "DisplaySettings_Screen"; + private mDNIeScenario mmDNIeScenario; + private mDNIeMode mmDNIeMode; + private mDNIeNegative mmDNIeNegative; + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + addPreferencesFromResource(R.xml.screen_preferences); + PreferenceScreen preferenceScreen = getPreferenceScreen(); + Resources res = getResources(); + + /* mDNIe */ + mmDNIeScenario = (mDNIeScenario) findPreference(DisplaySettings.KEY_MDNIE_SCENARIO); + mmDNIeScenario.setEnabled(mDNIeScenario.isSupported(res.getString(R.string.mdnie_scenario_sysfs_file))); + + mmDNIeMode = (mDNIeMode) findPreference(DisplaySettings.KEY_MDNIE_MODE); + mmDNIeMode.setEnabled(mDNIeMode.isSupported(res.getString(R.string.mdnie_mode_sysfs_file))); + + mmDNIeNegative = (mDNIeNegative) findPreference(DisplaySettings.KEY_MDNIE_NEGATIVE); + mmDNIeNegative.setEnabled(mDNIeNegative.isSupported(res.getString(R.string.mdnie_negative_sysfs_file))); + + } + + @Override + public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { + + String key = preference.getKey(); + Log.w(TAG, "key: " + key); + + return true; + } + + public static boolean isSupported(String FILE) { + return Utils.fileExists(FILE); + } + + public static void restore(Context context) { + SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context); + } +} diff --git a/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/Startup.java b/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/Startup.java new file mode 100644 index 00000000..2bada886 --- /dev/null +++ b/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/Startup.java @@ -0,0 +1,32 @@ +/* + * Copyright (C) 2012 The CyanogenMod 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.cyanogenmod.settings.device; + +import android.content.BroadcastReceiver; +import android.content.Context; +import android.content.Intent; + +public class Startup extends BroadcastReceiver { + + @Override + public void onReceive(final Context context, final Intent bootintent) { + mDNIeScenario.restore(context); + mDNIeMode.restore(context); + mDNIeNegative.restore(context); + ScreenFragmentActivity.restore(context); + } +} diff --git a/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/Utils.java b/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/Utils.java new file mode 100644 index 00000000..552ece55 --- /dev/null +++ b/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/Utils.java @@ -0,0 +1,83 @@ +/* + * Copyright (C) 2012 The CyanogenMod 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.cyanogenmod.settings.device; + +import android.util.Log; + +import java.io.BufferedReader; +import java.io.File; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.FileReader; +import java.io.IOException; +import java.io.SyncFailedException; +import android.app.AlertDialog; +import android.content.DialogInterface; +import android.content.Context; + +public class Utils { + + private static final String TAG = "DeviceSettings_Utils"; + private static final String TAG_READ = "DeviceSettings_Utils_Read"; + private static final String TAG_WRITE = "DeviceSettings_Utils_Write"; + + /** + * Write a string value to the specified file. + * + * @param filename The filename + * @param value The value + */ + public static void writeValue(String filename, String value) { + FileOutputStream fos = null; + try { + fos = new FileOutputStream(new File(filename), false); + fos.write(value.getBytes()); + fos.flush(); + // fos.getFD().sync(); + } catch (FileNotFoundException ex) { + Log.w(TAG, "file " + filename + " not found: " + ex); + } catch (SyncFailedException ex) { + Log.w(TAG, "file " + filename + " sync failed: " + ex); + } catch (IOException ex) { + Log.w(TAG, "IOException trying to sync " + filename + ": " + ex); + } catch (RuntimeException ex) { + Log.w(TAG, "exception while syncing file: ", ex); + } finally { + if (fos != null) { + try { + Log.w(TAG_WRITE, "file " + filename + ": " + value); + fos.close(); + } catch (IOException ex) { + Log.w(TAG, "IOException while closing synced file: ", ex); + } catch (RuntimeException ex) { + Log.w(TAG, "exception while closing file: ", ex); + } + } + } + + } + + /** + * Check if the specified file exists. + * @param filename The filename + * @return Whether the file exists or not + */ + public static boolean fileExists(String filename) { + return new File(filename).exists(); + } + +} diff --git a/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeMode.java b/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeMode.java new file mode 100644 index 00000000..c777d727 --- /dev/null +++ b/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeMode.java @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2012 The CyanogenMod 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.cyanogenmod.settings.device; + +import android.content.Context; + +import android.content.SharedPreferences; +import android.util.AttributeSet; +import android.preference.Preference; +import android.preference.ListPreference; +import android.preference.Preference.OnPreferenceChangeListener; +import android.preference.PreferenceManager; + +public class mDNIeMode extends ListPreference implements OnPreferenceChangeListener { + + private static String FILE = null; + + public mDNIeMode(Context context, AttributeSet attrs) { + super(context, attrs); + this.setOnPreferenceChangeListener(this); + FILE = context.getResources().getString(R.string.mdnie_mode_sysfs_file); + } + + public static boolean isSupported(String filePath) { + return Utils.fileExists(filePath); + } + + /** + * Restore mdnie user mode setting from SharedPreferences. (Write to kernel.) + * @param context The context to read the SharedPreferences from + */ + public static void restore(Context context) { + FILE = context.getResources().getString(R.string.mdnie_mode_sysfs_file); + if (!isSupported(FILE)) { + return; + } + + SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context); + Utils.writeValue(FILE, sharedPrefs.getString(DisplaySettings.KEY_MDNIE_MODE, "0")); + } + + public boolean onPreferenceChange(Preference preference, Object newValue) { + Utils.writeValue(FILE, (String) newValue); + return true; + } + +} diff --git a/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeNegative.java b/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeNegative.java new file mode 100644 index 00000000..bde99463 --- /dev/null +++ b/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeNegative.java @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2012 The CyanogenMod 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.cyanogenmod.settings.device; + +import java.io.IOException; +import android.content.Context; +import android.util.AttributeSet; +import android.content.SharedPreferences; +import android.preference.Preference; +import android.preference.ListPreference; +import android.preference.Preference.OnPreferenceChangeListener; +import android.preference.PreferenceManager; + +public class mDNIeNegative extends ListPreference implements OnPreferenceChangeListener { + + private static String FILE = null; + + public mDNIeNegative(Context context, AttributeSet attrs) { + super(context, attrs); + this.setOnPreferenceChangeListener(this); + FILE = context.getResources().getString(R.string.mdnie_negative_sysfs_file); + } + + public static boolean isSupported(String filePath) { + return Utils.fileExists(filePath); + } + + /** + * Restore mdnie user mode setting from SharedPreferences. (Write to kernel.) + * @param context The context to read the SharedPreferences from + */ + public static void restore(Context context) { + FILE = context.getResources().getString(R.string.mdnie_negative_sysfs_file); + if (!isSupported(FILE)) { + return; + } + + SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context); + Utils.writeValue(FILE, sharedPrefs.getString(DisplaySettings.KEY_MDNIE_NEGATIVE, "0")); + } + + public boolean onPreferenceChange(Preference preference, Object newValue) { + Utils.writeValue(FILE, (String) newValue); + return true; + } + +} diff --git a/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeScenario.java b/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeScenario.java new file mode 100644 index 00000000..cbab69d6 --- /dev/null +++ b/exynos4/AdvancedDisplay/src/com/cyanogenmod/settings/device/mDNIeScenario.java @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2012 The CyanogenMod 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.cyanogenmod.settings.device; + +import android.content.Context; + +import android.content.SharedPreferences; +import android.util.AttributeSet; +import android.preference.Preference; +import android.preference.ListPreference; +import android.preference.Preference.OnPreferenceChangeListener; +import android.preference.PreferenceManager; + +public class mDNIeScenario extends ListPreference implements OnPreferenceChangeListener { + + private static String FILE = null; + + public mDNIeScenario(Context context, AttributeSet attrs) { + super(context,attrs); + this.setOnPreferenceChangeListener(this); + FILE = context.getResources().getString(R.string.mdnie_scenario_sysfs_file); + } + + public static boolean isSupported(String filePath) { + return Utils.fileExists(filePath); + } + + /** + * Restore mdnie "camera" setting from SharedPreferences. (Write to kernel.) + * @param context The context to read the SharedPreferences from + */ + public static void restore(Context context) { + FILE = context.getResources().getString(R.string.mdnie_scenario_sysfs_file); + if (!isSupported(FILE)) { + return; + } + + SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context); + Utils.writeValue(FILE, sharedPrefs.getString(DisplaySettings.KEY_MDNIE_SCENARIO, "0")); + } + + public boolean onPreferenceChange(Preference preference, Object newValue) { + Utils.writeValue(FILE, (String) newValue); + return true; + } + +}