Add broken support for auto sharing screenshots taken on android

android/app/src/main/java/com/classicube/MainActivity.java

@@ -465,6 +465,23 @@ public class MainActivity extends Activity implements SurfaceHolder.Callback2 {
 		// wait for dialog to be closed
 		// TODO: this fails because multiple dialog boxes show
 	}
+	
+	public String shareScreenshot(String path) {
+		try {
+			File file = new File(getExternalAppDir() + path);			
+			Intent intent = new Intent();
+			
+			intent.setAction(Intent.ACTION_SEND);
+			intent.putExtra(Intent.EXTRA_TEXT, "Check out my app.");
+			intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(file));
+			intent.setType("image/png");
+			intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+			startActivity(Intent.createChooser(intent, "share via"));
+		} catch (Exception ex) {
+			return ex.toString();
+		}
+		return "";
+	}
 
 	// ======================================
 	// ---------------- HTTP ----------------

src/Game.c

@@ -568,8 +568,16 @@ void Game_TakeScreenshot(void) {
 
 	res = stream.Close(&stream);
 	if (res) { Logger_Warn2(res, "closing", &path); return; }
-
 	Chat_Add1("&eTaken screenshot as: %s", &filename);
+
+#ifdef CC_BUILD_ANDROID
+	filename.length = 0;
+	JavaCall_String_String("shareScreenshot", &path, &filename);
+	if (!filename.length) return;
+	
+	Chat_AddRaw("&cError sharing screenshot");
+	Chat_Add1("  &c%s", &filename);
+#endif
 #endif
 }
 

src/Platform.c

@@ -1938,21 +1938,36 @@ void JavaCall_String_Void(const char* name, const String* value) {
 	(*env)->DeleteLocalRef(env, args[0].l);
 }
 
-void JavaCall_Void_String(const char* name, String* dst) {
+static void ReturnString(JNIEnv* env, jobject obj, String* dst) {
 	const jchar* src;
 	jsize len;
+	if (!obj) return;
+
+	src = (*env)->GetStringChars(env,  obj, NULL);
+	len = (*env)->GetStringLength(env, obj);
+	String_AppendUtf16(dst, src, len * 2);
+	(*env)->ReleaseStringChars(env, obj, src);
+	(*env)->DeleteLocalRef(env,     obj);
+}
+
+void JavaCall_Void_String(const char* name, String* dst) {
 	JNIEnv* env;
 	jobject obj;
 	JavaGetCurrentEnv(env);
 
 	obj = JavaCallObject(env, name, "()Ljava/lang/String;", NULL);
-	if (!obj) return;
+	ReturnString(env, obj, dst);
+}
 
-	src = (*env)->GetStringChars(env, obj, NULL);
+void JavaCall_String_String(const char* name, const String* arg, String* dst) {
-	len = (*env)->GetStringLength(env, obj);
+	JNIEnv* env;
-	String_AppendUtf16(dst, src, len * 2);
+	jobject obj;
+	jvalue args[1];
+	JavaGetCurrentEnv(env);
 
-	(*env)->ReleaseStringChars(env, obj, src);
+	args[0].l = JavaMakeString(env, arg);
-	(*env)->DeleteLocalRef(env, obj);
+	obj       = JavaCallObject(env, name, "(Ljava/lang/String;)Ljava/lang/String;", args);
+	ReturnString(env, obj, dst);
+	(*env)->DeleteLocalRef(env, args[0].l);
 }
 #endif

src/Platform.h

@@ -258,5 +258,7 @@ jobject JavaCallObject(JNIEnv* env, const char* name, const char* sig, jvalue* a
 void JavaCall_String_Void(const char* name, const String* value);
 /* Calls a method in the activity class that takes no arguments and returns a string. */
 void JavaCall_Void_String(const char* name, String* dst);
+/* Calls a method in the activity class that takes a string and returns a string. */
+void JavaCall_String_String(const char* name, const String* arg, String* dst);
 #endif
 #endif