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Code Issues Packages Projects Releases Wiki Activity

CLOSES #575, CLOSES #578, CLOSES #584, CLOSES #589

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bryanthaboi
2026-08-01 12:56:13 -04:00
parent ca1beaefe7
commit 2009df3dd1
17 changed files with 819 additions and 54 deletions
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mobile/android/love/src/main/java/org/love2d/android/GameActivity.java
+77 -5
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@@ -37,7 +37,9 @@ import java.util.List;
import java.util.Map;
import android.Manifest;
import android.app.AlarmManager;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
@@ -75,6 +77,7 @@ public class GameActivity extends SDLActivity {
public static final int FILE_PICKER_REQUEST_CODE = 4;
public static final int FILE_CREATE_REQUEST_CODE = 5;
public static final int STEP_PERMISSION_REQUEST_CODE = 6;
public static final int RESTART_REQUEST_CODE = 7;
/** @deprecated Prefer FILE_PICKER_REQUEST_CODE; kept for older call sites. */
public static final int ROM_PICKER_REQUEST_CODE = FILE_PICKER_REQUEST_CODE;
// Mirrors conf.lua's t.identity ("pokemon-love2d"): where the picked file
@@ -447,15 +450,23 @@ public class GameActivity extends SDLActivity {
* Shows the system document picker (Storage Access Framework) so the
* player can pick a ROM / mod / save from anywhere (Downloads, Drive,
* etc.) without needing to know where the app's external files folder
* is. Requires API 19+ (ACTION_OPEN_DOCUMENT); the picked file (if any)
* arrives later in onActivityResult, not synchronously here.
* is. The picked file (if any) arrives later in onActivityResult, not
* synchronously here.
*
* API 21+ uses ACTION_OPEN_DOCUMENT; API 16-20 uses an ACTION_GET_CONTENT
* chooser instead. Below 19 OPEN_DOCUMENT does not exist, and on 19/20
* the stock DocumentsUI is unreliable -- it launches and then hands back
* RESULT_CANCELED with no data, which onActivityResult cannot tell apart
* from the player cancelling (#584). GET_CONTENT lets any installed file
* manager serve the pick, and both intents return the same content:// or
* file:// URI shapes, so the result path in onActivityResult stays
* picker-agnostic and unchanged.
*
* @param destFilename basename under the app save identity (e.g.
* picked_rom.gb, picked_mod.zip, picked_save.sav)
*/
@Keep
public static boolean showFilePicker(String destFilename) {
if (android.os.Build.VERSION.SDK_INT < 19) return false;
GameActivity self = (GameActivity) mSingleton;
if (self == null) return false;
if (destFilename == null || destFilename.length() == 0) {
@@ -469,11 +480,26 @@ public class GameActivity extends SDLActivity {
}
self.pendingPickFilename = destFilename;
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
if (android.os.Build.VERSION.SDK_INT >= 21) {
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("*/*");
try {
self.startActivityForResult(intent, FILE_PICKER_REQUEST_CODE);
return true;
} catch (Exception e) {
// Some OEM / TV builds ship without DocumentsUI; fall through
// to the GET_CONTENT chooser below instead of giving up (#584).
Log.d("GameActivity", "could not open document picker: " + e.getMessage());
}
}
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("*/*");
try {
self.startActivityForResult(intent, FILE_PICKER_REQUEST_CODE);
self.startActivityForResult(
Intent.createChooser(intent, "Choose a file"),
FILE_PICKER_REQUEST_CODE);
return true;
} catch (Exception e) {
Log.d("GameActivity", "could not open file picker: " + e.getMessage());
@@ -499,14 +525,60 @@ public class GameActivity extends SDLActivity {
return showFilePicker(PICKED_SAVE_FILENAME);
}
/**
* Relaunches the whole app for love.system.restartApp, used by
* src/core/HostShell.lua when a mod toggle needs a cold boot (#575).
* love.event.quit("restart") re-runs LOVE's boot inside the same
* process, and the second love.filesystem.init throws once physfs
* failed to deinit ("already initialized"), killing the app. Instead
* we hand our launch intent to AlarmManager and then exit the process:
* the alarm lives in system_server, so it survives our death and
* cannot race the exit the way a plain startActivity right before
* Runtime.exit can on some OEMs, and the dead process guarantees no
* native (physfs / SDL / JNI) state leaks into the fresh run.
*/
@Keep
public static boolean restartApp() {
GameActivity self = (GameActivity) mSingleton;
if (self == null) return false;
try {
Context context = self.getApplicationContext();
Intent intent = context.getPackageManager()
.getLaunchIntentForPackage(context.getPackageName());
if (intent == null) return false;
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
int pendingFlags = PendingIntent.FLAG_CANCEL_CURRENT;
if (android.os.Build.VERSION.SDK_INT >= 23) {
// Mandatory mutability flag on API 31+; harmless from 23 up.
pendingFlags |= PendingIntent.FLAG_IMMUTABLE;
}
PendingIntent pending = PendingIntent.getActivity(
context, RESTART_REQUEST_CODE, intent, pendingFlags);
AlarmManager alarm = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
if (alarm == null) return false;
alarm.set(AlarmManager.RTC, System.currentTimeMillis() + 250, pending);
} catch (Exception e) {
Log.d("GameActivity", "could not schedule restart: " + e.getMessage());
return false;
}
Runtime.getRuntime().exit(0);
return true; // unreachable, but keeps the JNI signature honest
}
/**
* Shows ACTION_CREATE_DOCUMENT so the player can save a staged export
* (pending_export.sav in the app save identity) to Downloads / Drive /
* etc. Suggested name is the dialog's default filename.
*
* CREATE_DOCUMENT does not exist below API 19 and has no pre-SAF
* equivalent, so unlike showFilePicker this stays 19+ (#584); the false
* return degrades on the Lua side (RomImporter export) to "Exported
* inside the app folder", which is the correct pre-KitKat behavior.
*/
@Keep
public static boolean showCreateDocument(String suggestedName) {
if (android.os.Build.VERSION.SDK_INT < 19) return false;
// (see showFilePicker for why the import side got a pre-19 path)
GameActivity self = (GameActivity) mSingleton;
if (self == null) return false;
if (suggestedName == null || suggestedName.length() == 0) {