diff --git a/app/build.gradle b/app/build.gradle
index f9567d5..0b2058f 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,12 +9,12 @@ if (keystorePropertiesFile.exists()) {
 }
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     defaultConfig {
         applicationId "com.simplemobiletools.flashlight"
         minSdkVersion 21
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode 51
         versionName "5.5.3"
         setProperty("archivesBaseName", "flashlight")
@@ -61,7 +61,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.github.SimpleMobileTools:Simple-Commons:03e4d214b1'
+    implementation 'com.github.SimpleMobileTools:Simple-Commons:7e87bb9089'
     implementation 'org.greenrobot:eventbus:3.2.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 2392da2..b7d7d66 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -29,6 +29,7 @@
 
         <activity
             android:name=".activities.SplashActivity"
+            android:exported="true"
             android:theme="@style/SplashTheme">
             <intent-filter>
                 <action android:name="android.service.quicksettings.action.QS_TILE_PREFERENCES" />
@@ -41,6 +42,7 @@
 
         <activity
             android:name=".activities.WidgetTorchConfigureActivity"
+            android:exported="true"
             android:screenOrientation="portrait"
             android:theme="@style/MyWidgetConfigTheme">
             <intent-filter>
@@ -50,6 +52,7 @@
 
         <activity
             android:name=".activities.WidgetBrightDisplayConfigureActivity"
+            android:exported="true"
             android:screenOrientation="portrait"
             android:theme="@style/MyWidgetConfigTheme">
             <intent-filter>
@@ -59,36 +62,49 @@
 
         <activity
             android:name=".activities.BrightDisplayActivity"
+            android:exported="false"
             android:label="@string/bright_display"
             android:theme="@style/FullScreenTheme" />
 
         <activity
             android:name=".activities.SettingsActivity"
+            android:exported="true"
             android:label="@string/settings"
-            android:parentActivityName=".activities.MainActivity" />
+            android:parentActivityName=".activities.MainActivity">
+
+            <intent-filter>
+                <action android:name="android.intent.action.APPLICATION_PREFERENCES" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
 
         <activity
             android:name="com.simplemobiletools.commons.activities.AboutActivity"
+            android:exported="false"
             android:label="@string/about"
             android:parentActivityName=".activities.MainActivity" />
 
         <activity
             android:name="com.simplemobiletools.commons.activities.LicenseActivity"
+            android:exported="false"
             android:label="@string/third_party_licences"
             android:parentActivityName="com.simplemobiletools.commons.activities.AboutActivity" />
 
         <activity
             android:name="com.simplemobiletools.commons.activities.CustomizationActivity"
+            android:exported="false"
             android:label="@string/customize_colors"
             android:parentActivityName=".activities.SettingsActivity" />
 
         <activity
             android:name="com.simplemobiletools.commons.activities.FAQActivity"
+            android:exported="false"
             android:label="@string/frequently_asked_questions"
             android:parentActivityName="com.simplemobiletools.commons.activities.AboutActivity" />
 
         <receiver
             android:name=".helpers.MyWidgetTorchProvider"
+            android:exported="true"
             android:icon="@drawable/ic_flashlight">
             <intent-filter>
                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
@@ -101,6 +117,7 @@
 
         <receiver
             android:name=".helpers.MyWidgetBrightDisplayProvider"
+            android:exported="true"
             android:icon="@drawable/ic_bright_display">
             <intent-filter>
                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
@@ -113,6 +130,7 @@
 
         <service
             android:name=".helpers.MyTileService"
+            android:exported="true"
             android:icon="@drawable/img_widget_preview"
             android:label="@string/app_launcher_name"
             android:permission="android.permission.BIND_QUICK_SETTINGS_TILE">
@@ -124,6 +142,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Red"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_red"
             android:roundIcon="@mipmap/ic_launcher_red"
             android:targetActivity=".activities.SplashActivity">
@@ -137,6 +156,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Pink"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_pink"
             android:roundIcon="@mipmap/ic_launcher_pink"
             android:targetActivity=".activities.SplashActivity">
@@ -150,6 +170,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Purple"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_purple"
             android:roundIcon="@mipmap/ic_launcher_purple"
             android:targetActivity=".activities.SplashActivity">
@@ -163,6 +184,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Deep_purple"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_deep_purple"
             android:roundIcon="@mipmap/ic_launcher_deep_purple"
             android:targetActivity=".activities.SplashActivity">
@@ -176,6 +198,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Indigo"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_indigo"
             android:roundIcon="@mipmap/ic_launcher_indigo"
             android:targetActivity=".activities.SplashActivity">
@@ -189,6 +212,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Blue"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_blue"
             android:roundIcon="@mipmap/ic_launcher_blue"
             android:targetActivity=".activities.SplashActivity">
@@ -202,6 +226,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Light_blue"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_light_blue"
             android:roundIcon="@mipmap/ic_launcher_light_blue"
             android:targetActivity=".activities.SplashActivity">
@@ -215,6 +240,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Cyan"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_cyan"
             android:roundIcon="@mipmap/ic_launcher_cyan"
             android:targetActivity=".activities.SplashActivity">
@@ -228,6 +254,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Teal"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_teal"
             android:roundIcon="@mipmap/ic_launcher_teal"
             android:targetActivity=".activities.SplashActivity">
@@ -241,6 +268,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Green"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_green"
             android:roundIcon="@mipmap/ic_launcher_green"
             android:targetActivity=".activities.SplashActivity">
@@ -254,6 +282,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Light_green"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_light_green"
             android:roundIcon="@mipmap/ic_launcher_light_green"
             android:targetActivity=".activities.SplashActivity">
@@ -267,6 +296,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Lime"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_lime"
             android:roundIcon="@mipmap/ic_launcher_lime"
             android:targetActivity=".activities.SplashActivity">
@@ -280,6 +310,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Yellow"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_yellow"
             android:roundIcon="@mipmap/ic_launcher_yellow"
             android:targetActivity=".activities.SplashActivity">
@@ -293,6 +324,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Amber"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_amber"
             android:roundIcon="@mipmap/ic_launcher_amber"
             android:targetActivity=".activities.SplashActivity">
@@ -306,6 +338,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Orange"
             android:enabled="true"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher"
             android:roundIcon="@mipmap/ic_launcher"
             android:targetActivity=".activities.SplashActivity">
@@ -318,6 +351,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Deep_orange"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_deep_orange"
             android:roundIcon="@mipmap/ic_launcher_deep_orange"
             android:targetActivity=".activities.SplashActivity">
@@ -331,6 +365,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Brown"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_brown"
             android:roundIcon="@mipmap/ic_launcher_brown"
             android:targetActivity=".activities.SplashActivity">
@@ -344,6 +379,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Blue_grey"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_blue_grey"
             android:roundIcon="@mipmap/ic_launcher_blue_grey"
             android:targetActivity=".activities.SplashActivity">
@@ -357,6 +393,7 @@
         <activity-alias
             android:name=".activities.SplashActivity.Grey_black"
             android:enabled="false"
+            android:exported="true"
             android:icon="@mipmap/ic_launcher_grey_black"
             android:roundIcon="@mipmap/ic_launcher_grey_black"
             android:targetActivity=".activities.SplashActivity">
diff --git a/app/src/main/kotlin/com/simplemobiletools/flashlight/activities/MainActivity.kt b/app/src/main/kotlin/com/simplemobiletools/flashlight/activities/MainActivity.kt
index 4099553..082f17d 100644
--- a/app/src/main/kotlin/com/simplemobiletools/flashlight/activities/MainActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/flashlight/activities/MainActivity.kt
@@ -210,11 +210,11 @@ class MainActivity : SimpleActivity() {
     private fun cameraPermissionGranted(isSOS: Boolean) {
         if (isSOS) {
             val isSOSRunning = mCameraImpl!!.toggleSOS()
-            sos_btn.setTextColor(if (isSOSRunning) getAdjustedPrimaryColor() else getContrastColor())
+            sos_btn.setTextColor(if (isSOSRunning) getProperPrimaryColor() else getContrastColor())
         } else {
             if (mCameraImpl!!.toggleStroboscope()) {
                 stroboscope_bar.beInvisibleIf(stroboscope_bar.isVisible())
-                changeIconColor(if (stroboscope_bar.isVisible()) getAdjustedPrimaryColor() else getContrastColor(), stroboscope_btn)
+                changeIconColor(if (stroboscope_bar.isVisible()) getProperPrimaryColor() else getContrastColor(), stroboscope_btn)
             }
         }
     }
@@ -251,7 +251,7 @@ class MainActivity : SimpleActivity() {
     }
 
     private fun enableFlashlight() {
-        changeIconColor(getAdjustedPrimaryColor(), flashlight_btn)
+        changeIconColor(getProperPrimaryColor(), flashlight_btn)
         window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
         mIsFlashlightOn = true
 
diff --git a/app/src/main/kotlin/com/simplemobiletools/flashlight/activities/SettingsActivity.kt b/app/src/main/kotlin/com/simplemobiletools/flashlight/activities/SettingsActivity.kt
index fe41bda..1062c5a 100644
--- a/app/src/main/kotlin/com/simplemobiletools/flashlight/activities/SettingsActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/flashlight/activities/SettingsActivity.kt
@@ -32,7 +32,7 @@ class SettingsActivity : SimpleActivity() {
         invalidateOptionsMenu()
 
         arrayOf(settings_color_customization_label, settings_general_settings_label).forEach {
-            it.setTextColor(getAdjustedPrimaryColor())
+            it.setTextColor(getProperPrimaryColor())
         }
 
         arrayOf(settings_color_customization_holder, settings_general_settings_holder).forEach {
diff --git a/app/src/main/kotlin/com/simplemobiletools/flashlight/helpers/MyWidgetBrightDisplayProvider.kt b/app/src/main/kotlin/com/simplemobiletools/flashlight/helpers/MyWidgetBrightDisplayProvider.kt
index 2a28a48..5dc34f6 100644
--- a/app/src/main/kotlin/com/simplemobiletools/flashlight/helpers/MyWidgetBrightDisplayProvider.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/flashlight/helpers/MyWidgetBrightDisplayProvider.kt
@@ -38,7 +38,7 @@ class MyWidgetBrightDisplayProvider : AppWidgetProvider() {
 
     private fun setupAppOpenIntent(context: Context, views: RemoteViews) {
         Intent(context, BrightDisplayActivity::class.java).apply {
-            val pendingIntent = PendingIntent.getActivity(context, OPEN_APP_INTENT_ID, this, PendingIntent.FLAG_UPDATE_CURRENT)
+            val pendingIntent = PendingIntent.getActivity(context, OPEN_APP_INTENT_ID, this, PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE)
             views.setOnClickPendingIntent(R.id.bright_display_btn, pendingIntent)
         }
     }
diff --git a/app/src/main/kotlin/com/simplemobiletools/flashlight/helpers/MyWidgetTorchProvider.kt b/app/src/main/kotlin/com/simplemobiletools/flashlight/helpers/MyWidgetTorchProvider.kt
index f55a132..eec512c 100644
--- a/app/src/main/kotlin/com/simplemobiletools/flashlight/helpers/MyWidgetTorchProvider.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/flashlight/helpers/MyWidgetTorchProvider.kt
@@ -30,7 +30,7 @@ class MyWidgetTorchProvider : AppWidgetProvider() {
         appWidgetManager.getAppWidgetIds(getComponentName(context)).forEach {
             val views = RemoteViews(context.packageName, R.layout.widget_torch)
 
-            val pendingIntent = PendingIntent.getBroadcast(context, it, intent, PendingIntent.FLAG_UPDATE_CURRENT)
+            val pendingIntent = PendingIntent.getBroadcast(context, it, intent, PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE)
             views.setOnClickPendingIntent(R.id.flashlight_btn, pendingIntent)
             views.setImageViewBitmap(R.id.flashlight_btn, bmp)
             appWidgetManager.updateAppWidget(it, views)
diff --git a/build.gradle b/build.gradle
index 4105770..8f697cf 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,7 +9,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.0.4'
+        classpath 'com.android.tools.build:gradle:7.1.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index f807f01..686ec53 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip