init: library wrapper done

DiscordBridge.java

@@ -0,0 +1,36 @@
+package com.leohabrom.discord;
+import com.leohabrom.discord.DiscordBridgeAdapter;
+
+public class DiscordBridge {
+    static {
+        System.loadLibrary("discord_bridge");
+    }
+
+    public native void init(long appId);
+    public native void update(DiscordActivity activity);
+    public native void runCallbacks();
+    private DiscordBridgeAdapter adapter = null;
+
+    public void start() {
+        Thread heartbeat = new Thread(() -> {
+            try {
+                while (!Thread.currentThread().isInterrupted()) {
+                    runCallbacks();
+                    Thread.sleep(16);
+                }
+            } catch (InterruptedException e) {}
+        });
+        heartbeat.setDaemon(true);
+        heartbeat.start();
+    }
+
+
+
+    public void setAdapter(DiscordBridgeAdapter adapter) {
+        this.adapter = adapter;
+    }
+
+    public void onMessage(String string) {
+        if (adapter!=null) adapter.onMessage(string);
+    }
+}