From 940be028519722a818e757fb1bfae675bb99afef Mon Sep 17 00:00:00 2001
From: Miha Frange? <miha.frangez@gmail.com>
Date: Mon, 14 Oct 2019 14:42:54 +0200
Subject: [PATCH] Added option to keep the screen on

---
 .../card_locker/LoyaltyCardViewActivity.java     | 16 ++++++++++++++--
 .../card_locker/preferences/Settings.java        |  5 +++++
 app/src/main/res/values/strings.xml              |  2 ++
 app/src/main/res/xml/preferences.xml             |  6 ++++++
 4 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/protect/card_locker/LoyaltyCardViewActivity.java b/app/src/main/java/protect/card_locker/LoyaltyCardViewActivity.java
index 3d103c5f5..3ab695250 100644
--- a/app/src/main/java/protect/card_locker/LoyaltyCardViewActivity.java
+++ b/app/src/main/java/protect/card_locker/LoyaltyCardViewActivity.java
@@ -233,10 +233,22 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
         // '1' is the brightest. We attempt to maximize the brightness
         // to help barcode readers scan the barcode.
         Window window = getWindow();
-        if(window != null && settings.useMaxBrightnessDisplayingBarcode())
+        if(window != null)
         {
             WindowManager.LayoutParams attributes = window.getAttributes();
-            attributes.screenBrightness = 1F;
+
+            if (settings.useMaxBrightnessDisplayingBarcode())
+            {
+                attributes.screenBrightness = 1F;
+            }
+
+            if (settings.getKeepScreenOn())
+            {
+                window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON|
+                        WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD|
+                        WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
+            }
+
             window.setAttributes(attributes);
         }
 
diff --git a/app/src/main/java/protect/card_locker/preferences/Settings.java b/app/src/main/java/protect/card_locker/preferences/Settings.java
index b6808f352..7cb0aa715 100644
--- a/app/src/main/java/protect/card_locker/preferences/Settings.java
+++ b/app/src/main/java/protect/card_locker/preferences/Settings.java
@@ -90,4 +90,9 @@ public class Settings
     {
         return getBoolean(R.string.settings_key_lock_barcode_orientation, false);
     }
+
+    public boolean getKeepScreenOn()
+    {
+        return getBoolean(R.string.settings_key_keep_screen_on, false);
+    }
 }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a0f2510d8..20dbf76bc 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -104,6 +104,8 @@
     <string name="settings_key_display_barcode_max_brightness" translatable="false">pref_display_card_max_brightness</string>
     <string name="settings_lock_barcode_orientation">Lock barcode orientation</string>
     <string name="settings_key_lock_barcode_orientation" translatable="false">pref_lock_barcode_orientation</string>
+    <string name="settings_keep_screen_on">Keep screen on</string>
+    <string name="settings_key_keep_screen_on" translatable="false">pref_keep_screen_on</string>
 
     <string name="sharedpreference_active_tab" translatable="false">sharedpreference_active_tab</string>
 
diff --git a/app/src/main/res/xml/preferences.xml b/app/src/main/res/xml/preferences.xml
index b176a17a7..654949865 100644
--- a/app/src/main/res/xml/preferences.xml
+++ b/app/src/main/res/xml/preferences.xml
@@ -58,6 +58,12 @@
             android:key="@string/settings_key_lock_barcode_orientation"
             android:title="@string/settings_lock_barcode_orientation"
             app:iconSpaceReserved="false" />
+
+        <SwitchPreferenceCompat
+            android:defaultValue="false"
+            android:key="@string/settings_key_keep_screen_on"
+            android:title="@string/settings_keep_screen_on"
+            app:iconSpaceReserved="false" />
     </PreferenceCategory>
 
 </PreferenceScreen>
\ No newline at end of file