Error when referencing global variable

Question

I have an application in which you have a webview, so I created a preloader to load into a thread , now I need to put the webview in another thread , how can I do (code error ) ?

import android.os.SystemClock;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.net.ConnectivityManager;
import android.content.Context;
import android.net.NetworkInfo;
import android.net.Network;
import android.widget.ProgressBar;

public class ConectActivity extends Activity {


    private WebView webView;
    private ProgressBar progress;

    public  boolean verificaConexao() {
        boolean conectado;
        ConnectivityManager conectivtyManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
        if (conectivtyManager.getActiveNetworkInfo() != null
                && conectivtyManager.getActiveNetworkInfo().isAvailable()
                && conectivtyManager.getActiveNetworkInfo().isConnected()) {
            conectado = true;
        } else {
            conectado = false;
        }
        return conectado;
    }



    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_conect);
        // *** roda qnd abre - Augusto Furlan ***
        Boolean conect = verificaConexao();
        String url = "http://google.com";
        webView = (WebView) findViewById(R.id.webView);
        progress = (ProgressBar) findViewById(R.id.progress);
        //webView.setWebViewClient(new CustomWebViewClient());
        webView.setVisibility(webView.GONE);

        WebSettings ws = webView.getSettings();
        ws.setJavaScriptEnabled(true);
        ws.setSupportZoom(true);
        webView.setWebViewClient(new WebViewClient());



        new Thread(new Runnable() {
            @Override
            public void run() {
                SystemClock.sleep(25000);

                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        showWebView();
                    }
                });
            }
        }).start();

        new Thread(new Runnable() {
            @Override
            public void run() {
                if(self.conect == true) {
                    webView.loadUrl(self.url);
                } else {webView.loadUrl("file:///android_asset/not-found.html");;}

                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        showWebView();
                    }
                });
            }
        }).start();
        }



    private void showWebView() {
        webView.setVisibility(View.VISIBLE);
        progress.setVisibility(View.GONE);
    }

}

Answer 1

If you want to access the attributes conect and url class Conectactivity shall do so directly using their names.
The word selfdoes not exist in JAVA.

So that these attributes can be used in a inner class need, however, to be declared as final:

@Override
protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_conect);

    final Boolean conect = verificaConexao();
    final String url = "http://google.com";

    ...
    ...
    new Thread(new Runnable() {
        @Override
        public void run() {
            if(conect == true) {
                webView.loadUrl(url);
            } else {webView.loadUrl("file:///android_asset/not-found.html");;}

            runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    showWebView();
                }
            });
        }
    }).start();
}