diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index e58d3e42..b589d56e 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="19" />
+    <bytecodeTargetLevel target="17" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index f12304c9..b8c1171e 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -8,7 +8,7 @@
         <option name="testRunner" value="GRADLE" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="Embedded JDK" />
+        <option name="gradleJvm" value="jbr-17" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/lib/build.gradle.kts b/lib/build.gradle.kts
index 1323409d..bd3bf03c 100644
--- a/lib/build.gradle.kts
+++ b/lib/build.gradle.kts
@@ -48,6 +48,7 @@ dependencies {
     implementation("androidx.legacy:legacy-preference-v14:1.0.0")
     implementation("com.google.android.material:material:1.8.0")
     implementation("androidx.annotation:annotation:1.6.0")
+    implementation("com.microsoft.azure:msal4j:1.13.9")
     implementation("androidx.browser:browser:1.5.0")
     implementation("blank:unity-classes")
     implementation("androidx.constraintlayout:constraintlayout:2.1.4")
diff --git a/lib/src/main/assets/modernfix-mixins.properties b/lib/src/main/assets/modernfix-mixins.properties
new file mode 100644
index 00000000..19168345
--- /dev/null
+++ b/lib/src/main/assets/modernfix-mixins.properties
@@ -0,0 +1,59 @@
+# This is the configuration file for ModernFix.
+# In general, prefer using the config screen to editing this file. It can be accessed
+# via the standard mod menu on your respective mod loader. Changes will, however,
+# require restarting the game to take effect.
+#
+# The following options can be enabled or disabled if there is a compatibility issue.
+# Add a line with your option name and =true or =false at the bottom of the file to enable
+# or disable a rule. For example:
+#   mixin.perf.dynamic_resources=true
+# Do not include the #. You may reset to defaults by deleting this file.
+#
+# Available options:
+#  mixin.bugfix.chunk_deadlock=false # (overridden for mod compat)
+#  mixin.bugfix.concurrency=true # (default)
+#  mixin.bugfix.ender_dragon_leak=true # (default)
+#  mixin.bugfix.packet_leak=false # (default)
+#  mixin.bugfix.paper_chunk_patches=false # (overridden for mod compat)
+#  mixin.devenv=false # (default)
+#  mixin.feature.branding=true # (default)
+#  mixin.feature.direct_stack_trace=false # (default)
+#  mixin.feature.disable_unihex_font=false # (default)
+#  mixin.feature.integrated_server_watchdog=true # (default)
+#  mixin.feature.measure_time=true # (default)
+#  mixin.feature.snapshot_easter_egg=true # (default)
+#  mixin.feature.spam_thread_dump=false # (default)
+#  mixin.feature.spark_profile_launch=false # (default)
+#  mixin.feature.warn_missing_perf_mods=true # (default)
+#  mixin.launch.class_search_cache=true # (default)
+#  mixin.perf.blast_search_trees=true # (default)
+#  mixin.perf.cache_blockstate_cache_arrays=true # (default)
+#  mixin.perf.cache_model_materials=true # (default)
+#  mixin.perf.cache_strongholds=true # (default)
+#  mixin.perf.cache_upgraded_structures=true # (default)
+#  mixin.perf.clear_fabric_mapping_tables=false # (default)
+#  mixin.perf.clear_mixin_classinfo=false # (default)
+#  mixin.perf.compact_bit_storage=true # (default)
+#  mixin.perf.dedicated_reload_executor=true # (default)
+#  mixin.perf.deduplicate_climate_parameters=false # (default)
+#  mixin.perf.deduplicate_location=false # (default)
+#  mixin.perf.deduplicate_wall_shapes=true # (default)
+#  mixin.perf.dynamic_dfu=true # (default)
+#  mixin.perf.dynamic_entity_renderers=false # (default)
+#  mixin.perf.dynamic_resources=false # (default)
+#  mixin.perf.dynamic_resources.diagonalfences=true # (default)
+#  mixin.perf.dynamic_structure_manager=true # (default)
+#  mixin.perf.faster_item_rendering=false # (default)
+#  mixin.perf.faster_texture_stitching=true # (default)
+#  mixin.perf.model_optimizations=true # (default)
+#  mixin.perf.nbt_memory_usage=false # (overridden for mod compat)
+#  mixin.perf.reduce_blockstate_cache_rebuilds=true # (default)
+#  mixin.perf.remove_biome_temperature_cache=true # (default)
+#  mixin.perf.remove_spawn_chunks=false # (default)
+#  mixin.perf.resourcepacks=true # (default)
+#  mixin.perf.state_definition_construct=true # (default)
+#  mixin.perf.thread_priorities=true # (default)
+#  mixin.safety=true # (default)
+#
+# User overrides go here.
+mixin.perf.dynamic_resources=true
diff --git a/lib/src/main/java/pojlib/account/MinecraftAccount.java b/lib/src/main/java/pojlib/account/MinecraftAccount.java
index f2eae27c..a6ca586d 100644
--- a/lib/src/main/java/pojlib/account/MinecraftAccount.java
+++ b/lib/src/main/java/pojlib/account/MinecraftAccount.java
@@ -1,5 +1,9 @@
 package pojlib.account;
 
+import static pojlib.account.Msa.checkMcProfile;
+
+import android.app.Activity;
+
 import com.google.gson.Gson;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
@@ -7,6 +11,7 @@
 import org.json.JSONException;
 import pojlib.util.Constants;
 import pojlib.util.GsonUtils;
+import pojlib.util.LoginHelper;
 
 import java.io.File;
 import java.io.FileReader;
@@ -19,21 +24,23 @@
 import java.net.URLConnection;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.Set;
+
+import javax.annotation.Nullable;
 
 public class MinecraftAccount {
 
     public String accessToken;
-    public String msaRefreshToken;
     public String uuid;
-    public static String username;
-    public int expiresIn;
+    public String username;
+    public long expiresIn;
 
     public final String userType = "msa";
 
-    public static MinecraftAccount login(String gameDir, JsonObject response) throws IOException, JSONException {
-        MinecraftAccount account = Msa.acquireXBLToken(response.get("access_token").getAsString());
-        account.msaRefreshToken = response.get("refresh_token").getAsString();
-        account.expiresIn = response.get("expires_in").getAsInt();
+    public static MinecraftAccount login(String gameDir, String[] response) throws IOException, JSONException {
+        String mcToken = Msa.acquireXBLToken(response[0]);
+        MinecraftAccount account = checkMcProfile(mcToken);
+        account.expiresIn = Long.parseLong(response[1]);
 
         GsonUtils.objectToJsonFile(gameDir + "/account.json", account);
         return account;
@@ -45,34 +52,16 @@ public static boolean logout(String path) {
     }
 
     //Try this before using login - the account will have been saved to disk if previously logged in
-    public static MinecraftAccount load(String path, String client_id) {
-        MinecraftAccount acc = null;
+    public static MinecraftAccount load(String path, @Nullable String newToken) {
+        MinecraftAccount acc;
         try {
             acc = new Gson().fromJson(new FileReader(path + "/account.json"), MinecraftAccount.class);
-                URLConnection connection2 = new URL("https://login.microsoftonline.com/consumers/oauth2/v2.0/token").openConnection();
-                connection2.setDoOutput(true);
-                connection2.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
-
-                String query = String.format("client_id=%s&grant_type=%s&refresh_token=%s",
-                        URLEncoder.encode(client_id, "UTF-8"),
-                        URLEncoder.encode("refresh_token", "UTF-8"),
-                        URLEncoder.encode(acc.msaRefreshToken, "UTF-8"));
-                try (OutputStream output = connection2.getOutputStream()) {
-                    output.write(query.getBytes(StandardCharsets.UTF_8));
-                }
-
-                InputStream response = connection2.getInputStream();
-                JsonObject jsonObject = (JsonObject) JsonParser.parseReader(new InputStreamReader(response, StandardCharsets.UTF_8));
-
-                acc = Msa.acquireXBLToken(jsonObject.get("access_token").getAsString());
-                acc.msaRefreshToken = jsonObject.get("refresh_token").getAsString();
-                acc.expiresIn = jsonObject.get("expires_in").getAsInt();
-                GsonUtils.objectToJsonFile(path + "/account.json", acc);
-            return acc;
-        } catch (JSONException | IOException e) {
-            if(e instanceof SocketTimeoutException && acc != null) {
-                return acc;
+            if(newToken != null) {
+                acc.accessToken = Msa.acquireXBLToken(newToken);
             }
+            GsonUtils.objectToJsonFile(path + "/account.json", acc);
+            return acc;
+        } catch (IOException | JSONException e) {
             return null;
         }
     }
diff --git a/lib/src/main/java/pojlib/account/Msa.java b/lib/src/main/java/pojlib/account/Msa.java
index 57d184f3..af2289e5 100644
--- a/lib/src/main/java/pojlib/account/Msa.java
+++ b/lib/src/main/java/pojlib/account/Msa.java
@@ -34,7 +34,7 @@ static String read(InputStream is) throws IOException {
         return out.toString();
     }
 
-    public static MinecraftAccount acquireXBLToken(String accessToken) throws IOException, JSONException {
+    public static String acquireXBLToken(String accessToken) throws IOException, JSONException {
         URL url = new URL(Constants.XBL_AUTH_URL);
 
         Map<Object, Object> data = new HashMap<>();
@@ -81,7 +81,7 @@ public static MinecraftAccount acquireXBLToken(String accessToken) throws IOExce
         throw new RuntimeException();
     }
 
-    private static MinecraftAccount acquireXsts(String xblToken) throws IOException, JSONException {
+    private static String acquireXsts(String xblToken) throws IOException, JSONException {
         URL url = new URL(Constants.XSTS_AUTH_URL);
 
         Map<Object, Object> data = new HashMap<>();
@@ -118,7 +118,7 @@ private static MinecraftAccount acquireXsts(String xblToken) throws IOException,
         throw new RuntimeException();
     }
 
-    private static MinecraftAccount acquireMinecraftToken(String xblUhs, String xblXsts) throws IOException, JSONException {
+    private static String acquireMinecraftToken(String xblUhs, String xblXsts) throws IOException, JSONException {
         URL url = new URL(Constants.MC_LOGIN_URL);
 
         Map<Object, Object> data = new HashMap<>();
@@ -142,9 +142,7 @@ private static MinecraftAccount acquireMinecraftToken(String xblUhs, String xblX
 
         if(!jo.isNull("access_token")) {
             checkMcStore(jo.getString("access_token"));
-            MinecraftAccount account = checkMcProfile(jo.getString("access_token"));
-            account.accessToken = jo.getString("access_token");
-            return account;
+            return jo.getString("access_token");
         }
 
         File errorFile = new File(Constants.USER_HOME + "/errors.txt");
@@ -172,7 +170,7 @@ private static void checkMcStore(String mcAccessToken) throws IOException {
         }
     }
 
-    private static MinecraftAccount checkMcProfile(String mcAccessToken) throws IOException, JSONException {
+    public static MinecraftAccount checkMcProfile(String mcAccessToken) throws IOException, JSONException {
         URL url = new URL(Constants.MC_PROFILE_URL);
 
         HttpURLConnection conn = (HttpURLConnection) url.openConnection();
@@ -190,13 +188,14 @@ private static MinecraftAccount checkMcProfile(String mcAccessToken) throws IOEx
         JSONObject jsonObject = new JSONObject(s);
         String name = (String) jsonObject.get("name");
         String uuid = (String) jsonObject.get("id");
-        String uuidDashes = uuid .replaceFirst(
+        String uuidDashes = uuid.replaceFirst(
                 "(\\p{XDigit}{8})(\\p{XDigit}{4})(\\p{XDigit}{4})(\\p{XDigit}{4})(\\p{XDigit}+)", "$1-$2-$3-$4-$5"
         );
 
         MinecraftAccount account = new MinecraftAccount();
         account.username = name;
         account.uuid = uuidDashes;
+        account.accessToken = mcAccessToken;
         return account;
     }
 
diff --git a/lib/src/main/java/pojlib/api/API_V1.java b/lib/src/main/java/pojlib/api/API_V1.java
index 4aa5fb28..1bf58ead 100644
--- a/lib/src/main/java/pojlib/api/API_V1.java
+++ b/lib/src/main/java/pojlib/api/API_V1.java
@@ -1,17 +1,20 @@
 package pojlib.api;
 
 import android.app.Activity;
+import android.util.Log;
 
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 
 import org.json.JSONException;
 
+import pojlib.UnityPlayerActivity;
 import pojlib.account.MinecraftAccount;
 import pojlib.install.*;
 import pojlib.instance.MinecraftInstance;
 import pojlib.util.APIHandler;
 import pojlib.util.Constants;
+import pojlib.util.LoginHelper;
 
 import java.io.BufferedWriter;
 import java.io.File;
@@ -24,6 +27,7 @@
 import java.net.URLConnection;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.Date;
 
 /**
  * This class is the only class used by the launcher to communicate and talk to pojlib. This keeps pojlib and launcher separate.
@@ -44,6 +48,7 @@ public class API_V1 {
     public static String profileName;
     public static String memoryValue = "3072";
     public static boolean developerMods;
+    public static MinecraftAccount currentAcc;
     public static boolean advancedDebugger;
 
 
@@ -123,31 +128,10 @@ public static MinecraftInstance createNewInstance(Activity activity, String inst
         }
     }
 
-    /**
-     * Logs the user in and keeps them logged in unless they log out
-     *
-     * @param home      The base directory where minecraft should be setup
-     * @param authCode  The token received from the microsoft login window
-     * @return          A minecraft account object
-     */
-    public static MinecraftAccount login(String home, String authCode, JsonObject response) throws IOException, JSONException {
-        return MinecraftAccount.login(home, response);
-    }
-
     public static void launchInstance(Activity activity, MinecraftAccount account, MinecraftInstance instance) {
         instance.launchInstance(activity, account);
     }
 
-    /**
-     * Fetches the account data from disk if the user has logged in before.
-     *
-     * @param home  The base directory where minecraft should be setup
-     * @return      A minecraft account object, null if no account found
-     */
-    public static MinecraftAccount fetchSavedLogin(String home, String client_id) {
-        return MinecraftAccount.load(home, client_id);
-    }
-
     /**
      * Logs the user out
      *
@@ -158,83 +142,17 @@ public static boolean logout(String home) {
         return MinecraftAccount.logout(home);
     }
 
-    public static MinecraftAccount login(String client_id, Activity activity)
+    public static void login(Activity activity)
     {
-        MinecraftAccount acc = MinecraftAccount.load(activity.getFilesDir() + "/accounts", client_id);
-        if(acc != null) {
-            profileImage = MinecraftAccount.getSkinFaceUrl(acc);
-            profileName = MinecraftAccount.username;
-            return acc;
-        }
-        try {
-            // Stage 1
-            if(!hasQueried) {
-                URLConnection connection = new URL("https://login.microsoftonline.com/consumers/oauth2/v2.0/devicecode").openConnection();
-                connection.setDoOutput(true);
-                connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
-
-                String query = String.format("client_id=%s&scope=%s",
-                        URLEncoder.encode(client_id, "UTF-8"),
-                        URLEncoder.encode("XboxLive.signin Xboxlive.offline_access", "UTF-8"));
-                try (OutputStream output = connection.getOutputStream()) {
-                    output.write(query.getBytes(StandardCharsets.UTF_8));
-                }
-
-                InputStream response = connection.getInputStream();
-
-                initialResponse = (JsonObject) JsonParser.parseReader(new InputStreamReader(response, StandardCharsets.UTF_8));
-
-                if(initialResponse.get("message") != null) {
-                    msaMessage = initialResponse.get("message").getAsString();
-                    hasQueried = true;
-                    return null;
-                }
-
-                File errorFile = new File(Constants.USER_HOME + "/errors.txt");
-                BufferedWriter writer = new BufferedWriter(new FileWriter(errorFile));
-                writer.write(initialResponse.toString());
-                writer.flush();
-
-                throw new RuntimeException();
-            }
-
-            if(hasQueried) {
-                URLConnection connection2 = new URL("https://login.microsoftonline.com/consumers/oauth2/v2.0/token").openConnection();
-                connection2.setDoOutput(true);
-                connection2.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
-
-                String query2 = String.format("client_id=%s&grant_type=%s&device_code=%s",
-                        URLEncoder.encode(client_id, "UTF-8"),
-                        URLEncoder.encode("urn:ietf:params:oauth:grant-type:device_code", "UTF-8"),
-                        URLEncoder.encode(initialResponse.get("device_code").getAsString(), "UTF-8"));
-                try (OutputStream output = connection2.getOutputStream()) {
-                    output.write(query2.getBytes(StandardCharsets.UTF_8));
-                }
-
-                InputStream response2 = connection2.getInputStream();
-
-                JsonObject jsonObject2 = (JsonObject) JsonParser.parseReader(new InputStreamReader(response2, StandardCharsets.UTF_8));
-
-                if(jsonObject2.get("access_token") != null) {
-                    // Finally, log in
-                    acc = MinecraftAccount.login(activity.getFilesDir() + "/accounts", jsonObject2);
-                    profileImage = MinecraftAccount.getSkinFaceUrl(acc);
-                    profileName = MinecraftAccount.username;
-                    return acc;
-                }
-
-                File errorFile = new File(Constants.USER_HOME + "/errors.txt");
-                BufferedWriter writer = new BufferedWriter(new FileWriter(errorFile));
-                writer.write(jsonObject2.toString());
-                writer.flush();
-
-                throw new RuntimeException();
-            }
-            hasQueried = true;
-        } catch (IOException | JSONException e) {
-            e.printStackTrace();
+        MinecraftAccount acc = MinecraftAccount.load(activity.getFilesDir() + "/accounts", null);
+        if(acc != null && acc.expiresIn > new Date().getTime()) {
+            currentAcc = acc;
+            API_V1.profileImage = MinecraftAccount.getSkinFaceUrl(API_V1.currentAcc);
+            API_V1.profileName = API_V1.currentAcc.username;
+            return;
+        } else if(acc != null && acc.expiresIn <= new Date().getTime()) {
+            currentAcc = LoginHelper.getNewToken(activity);
         }
-        return null;
+        LoginHelper.beginLogin(activity);
     }
-
 }
diff --git a/lib/src/main/java/pojlib/install/Installer.java b/lib/src/main/java/pojlib/install/Installer.java
index cf864a6c..05b0ead7 100644
--- a/lib/src/main/java/pojlib/install/Installer.java
+++ b/lib/src/main/java/pojlib/install/Installer.java
@@ -113,6 +113,7 @@ public static String installAssets(VersionInfo minecraftVersionInfo, String game
         FileUtils.writeByteArrayToFile(new File(Constants.MC_DIR + "/config/immediatelyfast.json"), FileUtil.loadFromAssetToByte(activity, "immediatelyfast.json"));
         FileUtils.writeByteArrayToFile(new File(Constants.MC_DIR + "/config/c2me.toml"), FileUtil.loadFromAssetToByte(activity, "c2me.toml"));
         FileUtils.writeByteArrayToFile(new File(Constants.MC_DIR + "/config/moreculling.toml"), FileUtil.loadFromAssetToByte(activity,"moreculling.toml"));
+        FileUtils.writeByteArrayToFile(new File(Constants.MC_DIR + "/config/modernfix-mixins.properties"), FileUtil.loadFromAssetToByte(activity,"modernfix-mixins.properties"));
         FileUtils.writeByteArrayToFile(new File(Constants.MC_DIR + "/options.txt"), FileUtil.loadFromAssetToByte(activity, "options.txt"));
         FileUtils.writeByteArrayToFile(new File(Constants.MC_DIR + "/optionsviveprofiles.txt"), FileUtil.loadFromAssetToByte(activity, "optionsviveprofiles.txt"));
 
diff --git a/lib/src/main/java/pojlib/instance/MinecraftInstance.java b/lib/src/main/java/pojlib/instance/MinecraftInstance.java
index 9aecbd62..721091ab 100644
--- a/lib/src/main/java/pojlib/instance/MinecraftInstance.java
+++ b/lib/src/main/java/pojlib/instance/MinecraftInstance.java
@@ -105,9 +105,9 @@ public List<String> generateLaunchArgs(MinecraftAccount account) {
         return allArgs;
     }
 
-    public void updateOrDownloadsMods() {
+    public void updateOrDownloadMods() {
         API_V1.finishedDownloading = false;
-        new Thread(()->{
+        new Thread(() -> {
             try {
                 File mods = new File(Constants.USER_HOME + "/mods-new.json");
                 File modsOld = new File(Constants.USER_HOME + "/mods.json");
diff --git a/lib/src/main/java/pojlib/util/FileUtil.java b/lib/src/main/java/pojlib/util/FileUtil.java
index 470b1c1a..97b220d1 100644
--- a/lib/src/main/java/pojlib/util/FileUtil.java
+++ b/lib/src/main/java/pojlib/util/FileUtil.java
@@ -48,7 +48,7 @@ public static void write(String path, byte[] content) throws IOException
         File outPath = new File(path);
         outPath.getParentFile().mkdirs();
 
-        BufferedOutputStream fos = new BufferedOutputStream(Files.newOutputStream(Paths.get(path)));
+        BufferedOutputStream fos = new BufferedOutputStream(Files.newOutputStream(outPath.toPath()));
         fos.write(content, 0, content.length);
         fos.close();
     }
diff --git a/lib/src/main/java/pojlib/util/LoginHelper.java b/lib/src/main/java/pojlib/util/LoginHelper.java
new file mode 100644
index 00000000..92e15ca7
--- /dev/null
+++ b/lib/src/main/java/pojlib/util/LoginHelper.java
@@ -0,0 +1,80 @@
+package pojlib.util;
+
+import android.app.Activity;
+
+import com.microsoft.aad.msal4j.AuthorizationCodeParameters;
+import com.microsoft.aad.msal4j.DeviceCode;
+import com.microsoft.aad.msal4j.DeviceCodeFlowParameters;
+import com.microsoft.aad.msal4j.IAuthenticationResult;
+import com.microsoft.aad.msal4j.PublicClientApplication;
+import com.microsoft.aad.msal4j.SilentParameters;
+
+import org.json.JSONException;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.util.Set;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import java.util.function.Consumer;
+
+import pojlib.account.MinecraftAccount;
+import pojlib.api.API_V1;
+
+public class LoginHelper {
+    public static Thread loginThread;
+
+    private static final PublicClientApplication pca;
+
+    static {
+        try {
+            pca = PublicClientApplication.builder("d17a73a2-707c-40f5-8c90-d3eda0956f10")
+                    .authority("https://login.microsoftonline.com/consumers/")
+                    .build();
+        } catch (MalformedURLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static MinecraftAccount getNewToken(Activity activity) {
+        CompletableFuture<IAuthenticationResult> future;
+        try {
+            future = pca.acquireTokenSilently(SilentParameters.builder(Set.of("clientId")).build());
+        } catch (MalformedURLException e) {
+            throw new RuntimeException(e);
+        }
+        try {
+            IAuthenticationResult res = future.get();
+            while (res.account() == null) ;
+            return MinecraftAccount.load(activity.getFilesDir() + "/accounts", res.accessToken());
+        } catch (ExecutionException | InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static void beginLogin(Activity activity) {
+        loginThread = new Thread(() -> {
+            Consumer<DeviceCode> deviceCodeConsumer = (DeviceCode deviceCode) -> API_V1.msaMessage = deviceCode.message();
+            CompletableFuture<IAuthenticationResult> future = pca.acquireToken(
+                    DeviceCodeFlowParameters.builder(Set.of("XboxLive.SignIn", "XboxLive.offline_access"), deviceCodeConsumer).build());
+
+            try {
+                IAuthenticationResult res = future.get();
+                while(res.account() == null);
+                try {
+                    API_V1.currentAcc = MinecraftAccount.login(activity.getFilesDir() + "/accounts", new String[]{res.accessToken(), String.valueOf(res.expiresOnDate().getTime())});
+                } catch (IOException | JSONException e) {
+                    e.printStackTrace();
+                }
+                API_V1.profileImage = MinecraftAccount.getSkinFaceUrl(API_V1.currentAcc);
+                API_V1.profileName = API_V1.currentAcc.username;
+            } catch (ExecutionException | InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+        });
+
+        loginThread.start();
+    }
+}