From 28fa92f1cbb98b1279d6bec94648d87270480952 Mon Sep 17 00:00:00 2001
From: artdeell <ultramaksim@gmail.com>
Date: Thu, 26 Aug 2021 14:09:24 +0300
Subject: [PATCH] Display a warning about storage on the first launch

---
 .../kdt/pojavlaunch/PojavLoginActivity.java   | 20 +++++++++++++++++--
 .../src/main/res/values/strings.xml           |  2 ++
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/PojavLoginActivity.java b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/PojavLoginActivity.java
index 20a2fd3b8..bc3d60af1 100644
--- a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/PojavLoginActivity.java
+++ b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/PojavLoginActivity.java
@@ -17,7 +17,9 @@ import android.graphics.drawable.ColorDrawable;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
+import android.text.Html;
 import android.text.SpannableString;
+import android.text.Spanned;
 import android.text.style.StyleSpan;
 import android.util.Base64;
 import android.util.Log;
@@ -327,7 +329,7 @@ public class PojavLoginActivity extends BaseActivity
         }
 
         mkdirs(Tools.CTRLMAP_PATH);
-        
+
         try {
             new CustomControls(this).save(Tools.CTRLDEF_FILE);
 
@@ -347,13 +349,27 @@ public class PojavLoginActivity extends BaseActivity
                     mLockSelectJRE.wait();
                 }
             }
+            if(Build.VERSION.SDK_INT > 28) runOnUiThread(this::showStorageDialog);
             LauncherPreferences.loadPreferences(getApplicationContext());
         }
         catch(Throwable e){
             Tools.showError(this, e);
         }
     }
-
+    private void showStorageDialog() {
+        if(!firstLaunchPrefs.getBoolean("storageDialogShown",false)) {
+            AlertDialog.Builder bldr = new AlertDialog.Builder(this);
+            bldr.setTitle(R.string.storage_warning_title);
+            Spanned sp = Html.fromHtml(getString(R.string.storage_warning_text,BuildConfig.APPLICATION_ID));
+            bldr.setMessage(sp);
+            bldr.setCancelable(false);
+            bldr.setPositiveButton(android.R.string.ok, (dialog, which)->{
+               firstLaunchPrefs.edit().putBoolean("storageDialogShown",true).apply();
+               dialog.dismiss();
+            });
+            bldr.show();
+        }
+    }
     @Override
     protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
         super.onActivityResult(requestCode, resultCode, data);
diff --git a/app_pojavlauncher/src/main/res/values/strings.xml b/app_pojavlauncher/src/main/res/values/strings.xml
index 6f09695f2..8241232e9 100644
--- a/app_pojavlauncher/src/main/res/values/strings.xml
+++ b/app_pojavlauncher/src/main/res/values/strings.xml
@@ -241,4 +241,6 @@
     <string name="pvc_gameDirectory">Game directory</string>
     <string name="pvc_jvmArgs">JVM arguments</string>
     <string name="pvc_title">Per-version settings</string>
+    <string name="storage_warning_title">Storage changes</string>
+    <string name="storage_warning_text"> <![CDATA[Due to Google\'s new scoped storage enforcements added in Android 10 and higher, we are required to move the game directory into an app-private folder.<br /> The new folder for Pojav files is <b>Android/data/%s/files/</b> (also accessible using a storage provider in your file explorer).<br /> If you need to copy your game files, please copy everything from the original folder at <b>games/PojavLauncher</b> manually.]]></string>
 </resources>