pipa: peripheralmanager: implement a switch for toggling the smart cover

peripheralmanager/AndroidManifest.xml

@@ -55,6 +55,19 @@
             <meta-data android:name="com.android.settings.summary"
                        android:resource="@string/keyboard_summary" />
         </activity>
+
+        <activity
+            android:name=".LidSettingsActivity"
+            android:label="@string/lid_title"
+            android:theme="@style/Theme.SubSettingsBase">
+            <intent-filter>
+                <action android:name="com.android.settings.action.IA_SETTINGS" />
+            </intent-filter>
+            <meta-data android:name="com.android.settings.category"
+                       android:value="com.android.settings.category.ia.connect" />
+            <meta-data android:name="com.android.settings.summary"
+                       android:resource="@string/lid_summary" />
+        </activity>
         
     </application>
 </manifest>

peripheralmanager/res/values/strings.xml

@@ -14,10 +14,16 @@
     <string name="stylus_switch_title">Force recognize stylus</string>
     <string name="stylus_switch_summary">Enable this settings to allow using third party styluses</string>
 
-    <!-- Xiaomi Stylus -->
+    <!-- Xiaomi Keyboard -->
     <string name="keyboard_title">Keyboard</string>
     <string name="keyboard_summary">Keyboard Settings</string>
     <string name="keyboard_switch_title">Toggle angle detection</string>
     <string name="keyboard_switch_summary">This toggles the angle detection of the keyboard</string>
 
+    <!-- Smart Cover -->
+    <string name="lid_title">Smart Cover</string>
+    <string name="lid_summary">Smart Cover Settings</string>
+    <string name="lid_switch_title">Toggle Smart Cover behaivor</string>
+    <string name="lid_switch_summary">This toggles the behaivor of the smart lid</string>
+
 </resources>

peripheralmanager/res/xml/lid_settings.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2018 The LineageOS 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.
+-->
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:title="@string/stylus_title">
+
+    <SwitchPreference
+        android:key="lid_switch_key"
+        android:defaultValue="true"
+        android:title="@string/lid_switch_title"
+        android:summary="@string/lid_switch_summary"/>
+
+</PreferenceScreen>

peripheralmanager/src/org/lineageos/xiaomiperipheralmanager/LidSettingsActivity.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2023-2025 The LineageOS Project
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.lineageos.xiaomiperipheralmanager;
+
+import android.os.Bundle;
+import android.util.Log;
+
+import com.android.settingslib.collapsingtoolbar.CollapsingToolbarBaseActivity;
+
+/**
+ * Settings activity for stylus/pen configuration
+ * Hosts the StylusSettingsFragment for user configuration
+ */
+public class LidSettingsActivity extends CollapsingToolbarBaseActivity {
+
+    private static final String TAG = "XiaomiLidSettings";
+    private static final String TAG_LID = "lid";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        
+        Log.i(TAG, "Opening lid settings");
+        
+        getFragmentManager().beginTransaction().replace(
+            com.android.settingslib.collapsingtoolbar.R.id.content_frame,
+                new LidSettingsFragment(), TAG_LID).commit();
+    }
+}

peripheralmanager/src/org/lineageos/xiaomiperipheralmanager/LidSettingsFragment.java

@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2023-2025 The LineageOS Project
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.lineageos.xiaomiperipheralmanager;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.os.SystemProperties;
+import android.util.Log;
+
+import android.preference.PreferenceManager;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.SwitchPreference;
+import com.android.settingslib.widget.MainSwitchPreference;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Locale;
+
+import android.provider.Settings;
+
+/**
+ * Settings fragment for lid configuration
+ * Allows users to manually enable/disable the smart cover
+ */
+public class LidSettingsFragment extends PreferenceFragment implements
+        SharedPreferences.OnSharedPreferenceChangeListener {
+
+    private static final String TAG = "XiaomiLidSettings";
+    private static final String LID_KEY = "lid_switch_key";
+
+    private SharedPreferences mLidPreference;
+
+    @Override
+    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+        try {
+            addPreferencesFromResource(R.xml.lid_settings);
+
+            mLidPreference = PreferenceManager.getDefaultSharedPreferences(getContext());
+            SwitchPreference switchPreference = (SwitchPreference) findPreference(LID_KEY);
+
+            if (switchPreference != null) {
+                switchPreference.setChecked(mLidPreference.getBoolean(LID_KEY, false));
+                switchPreference.setEnabled(true);
+            } else {
+                logError("Could not find lid switch preference");
+            }
+            
+            logInfo("Lid settings fragment created");
+        } catch (Exception e) {
+            logError("Error creating lid settings: " + e.getMessage());
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        try {
+            mLidPreference.registerOnSharedPreferenceChangeListener(this);
+        } catch (Exception e) {
+            logError("Error in onResume: " + e.getMessage());
+        }
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        try {
+            mLidPreference.unregisterOnSharedPreferenceChangeListener(this);
+        } catch (Exception e) {
+            logError("Error in onPause: " + e.getMessage());
+        }
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreference, String key) {
+        if (LID_KEY.equals(key)) {
+            try {
+                boolean newStatus = mLidPreference.getBoolean(key, false);
+                logInfo("Lid preference changed to: " + newStatus);
+                Settings.Global.putInt(getActivity().getContentResolver(),
+                                      "lid_behavior", newStatus ? 1 : 0);
+            } catch (Exception e) {
+                logError("Error handling preference change: " + e.getMessage());
+            }
+        }
+    }
+    
+    private void logInfo(String message) {
+        Log.i(TAG, getTimestamp() + message);
+    }
+    
+    private void logError(String message) {
+        Log.e(TAG, getTimestamp() + message);
+    }
+    
+    private String getTimestamp() {
+        return "[" + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US).format(new Date()) + "] ";
+    }
+}