57 lines
1.8 KiB
Java
57 lines
1.8 KiB
Java
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package org.kivy.android;
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import android.util.Log;
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import java.io.IOException;
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import java.net.Socket;
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import java.net.InetSocketAddress;
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import android.os.SystemClock;
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import android.os.Handler;
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import org.kivy.android.PythonActivity;
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public class WebViewLoader {
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private static final String TAG = "WebViewLoader";
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public static void testConnection() {
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while (true) {
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if (WebViewLoader.pingHost("localhost", {{ args.port }}, 100)) {
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Log.v(TAG, "Successfully pinged localhost:{{ args.port }}");
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Handler mainHandler = new Handler(PythonActivity.mActivity.getMainLooper());
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Runnable myRunnable = new Runnable() {
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@Override
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public void run() {
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PythonActivity.mActivity.loadUrl("http://127.0.0.1:{{ args.port }}/");
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Log.v(TAG, "Loaded webserver in webview");
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}
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};
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mainHandler.post(myRunnable);
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break;
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} else {
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Log.v(TAG, "Could not ping localhost:{{ args.port }}");
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try {
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Thread.sleep(100);
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} catch(InterruptedException e) {
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Log.v(TAG, "InterruptedException occurred when sleeping");
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}
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}
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}
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}
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public static boolean pingHost(String host, int port, int timeout) {
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Socket socket = new Socket();
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try {
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socket.connect(new InetSocketAddress(host, port), timeout);
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socket.close();
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return true;
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} catch (IOException e) {
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try {socket.close();} catch (IOException f) {return false;}
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return false; // Either timeout or unreachable or failed DNS lookup.
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}
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}
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}
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