Use user provided xdg runtime directory

app/src/main/jni/lorie/backend/android/android-app.cpp

@@ -179,9 +179,31 @@ static LorieBackendAndroid* fromLong(jlong v) {
     return u.b;
 }
 
+
+jstring spname(JNIEnv *env) {
+    return env->NewStringUTF("sharedstore");
+}
+
+
 extern "C" JNIEXPORT jlong JNICALL
-JNI_DECLARE(LorieService, createLorieThread)(JNIEnv __unused *env, jobject __unused instance) {
+JNI_DECLARE(LorieService, createLorieThread)(JNIEnv *env, jobject __unused instance) {
-	setenv("XDG_RUNTIME_DIR", "/data/data/com.termux/files/usr/tmp", 1);
+
+	jclass spcls = env->FindClass("android/content/SharedPreferences");
+    	jclass contextcls = env->FindClass("android/content/Context");
+    	mainClass = env->NewGlobalRef(activity);
+    	jmethodID mid = env->GetMethodID(contextcls, "getSharedPreferences",
+                                     "(Ljava/lang/String;I)Landroid/content/SharedPreferences;");
+
+	jmethodID midstring = env->GetMethodID(spcls, "getSring",
+                                         "(Ljava/lang/String;Z)Z");
+
+	jobject jobjectshared = env->CallObjectMethod(mainClass, mid, spname(env), 0);
+	jstring xdgcustpath  = env->CallStringMethod(jobjectshared, mistring, objectname(env), "/data/data/com.termux/files/usr/tmp");
+
+	const char *pathxdg = env->GetStringUTFChars(xdgcustpath, 0);
+	env->ReleaseStringUTFChars(xdgcustpath, pathxdg);
+
+	setenv("XDG_RUNTIME_DIR", pathxdg, 1);
 	return (jlong) new LorieBackendAndroid;
 }
 

app/src/main/res/xml/preferences.xml

@@ -36,4 +36,11 @@
         android:key="PIP"
         android:summary="Show app in picture-in-picture mode when home button or recents button is pressed" />
 
+    <EditTextPreference
+	android:title="Custom XDG_RUNTIME_DIR"
+	android:defaultValue="/data/data/com.termux/files/usr/tmp"
+	android:key="CustXDG"
+	android:summary="Set the XDG runtime directory for wayland sockets"
+	android:dialogMessage="Please be careful here as setting the wrong directory may make the app not run as expected" />
+
 </PreferenceScreen>