MainActivity.java

package com.basecamp.turbolinks.demo;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;

import com.basecamp.turbolinks.TurbolinksSession;
import com.basecamp.turbolinks.TurbolinksAdapter;
import com.basecamp.turbolinks.TurbolinksView;

public class MainActivity extends AppCompatActivity implements TurbolinksAdapter {
    // Change the BASE_URL to an address that your VM or device can hit.
    private static final String BASE_URL = "http://10.0.1.100:9292";
    private static final String INTENT_URL = "intentUrl";

    private String location;
    private TurbolinksView turbolinksView;

    // -----------------------------------------------------------------------
    // Activity overrides
    // -----------------------------------------------------------------------

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // Find the custom TurbolinksView object in your layout
        turbolinksView = (TurbolinksView) findViewById(R.id.turbolinks_view);

        // For this demo app, we force debug logging on. You will only want to do
        // this for debug builds of your app (it is off by default)
        TurbolinksSession.getDefault(this).setDebugLoggingEnabled(true);

        // For this example we set a default location, unless one is passed in through an intent
        location = getIntent().getStringExtra(INTENT_URL) != null ? getIntent().getStringExtra(INTENT_URL) : BASE_URL;

        // Execute the visit
        TurbolinksSession.getDefault(this)
            .activity(this)
            .adapter(this)
            .view(turbolinksView)
            .visit(location);
    }

    @Override
    protected void onRestart() {
        super.onRestart();

        // Since the webView is shared between activities, we need to tell Turbolinks
        // to load the location from the previous activity upon restarting
        TurbolinksSession.getDefault(this)
            .activity(this)
            .adapter(this)
            .restoreWithCachedSnapshot(true)
            .view(turbolinksView)
            .visit(location);
    }

    // -----------------------------------------------------------------------
    // TurbolinksAdapter interface
    // -----------------------------------------------------------------------

    @Override
    public void onPageFinished() {

    }

    @Override
    public void onReceivedError(int errorCode) {
        handleError(errorCode);
    }

    @Override
    public void pageInvalidated() {

    }

    @Override
    public void requestFailedWithStatusCode(int statusCode) {
        handleError(statusCode);
    }

    @Override
    public void visitCompleted() {

    }

    // The starting point for any href clicked inside a Turbolinks enabled site. In a simple case
    // you can just open another activity, or in more complex cases, this would be a good spot for
    // routing logic to take you to the right place within your app.
    @Override
    public void visitProposedToLocationWithAction(String location, String action) {
        Intent intent = new Intent(this, MainActivity.class);
        intent.putExtra(INTENT_URL, location);

        this.startActivity(intent);
    }

    // -----------------------------------------------------------------------
    // Private
    // -----------------------------------------------------------------------

    // Simply forwards to an error page, but you could alternatively show your own native screen
    // or do whatever other kind of error handling you want.
    private void handleError(int code) {
        if (code == 404) {
            TurbolinksSession.getDefault(this)
                .activity(this)
                .adapter(this)
                .restoreWithCachedSnapshot(false)
                .view(turbolinksView)
                .visit(BASE_URL + "/error");
        }
    }
}