webview login - letusfly85/step-up-android GitHub Wiki

package com.example.letusfly95.practice4mine;

import android.graphics.Bitmap;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;

public class MainActivity extends ActionBarActivity {

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

        final WebView webView = (WebView) findViewById(R.id.webView);

        Log.d("INFO", "start my application!!!");
        webView.setWebViewClient(new WebViewClient() {
            boolean logoutFlag = false;

            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                Log.d("INFO", "login    "+ url);

                if (url.equals("http://****/") && logoutFlag) {
                    Log.d("INFO", "login logged out!!!");
                    logoutFlag = false;

                } else if (url.equals("http://****/")) {
                    Log.d("INFO", "login success!!!");

                } else if (url.equals("http://****/users/sign_in")) {
                    Log.d("INFO", "login error!!!");

                } else if (url.equals("http://****/users/sign_out")) {
                    webView.clearCache(true);
                    Log.d("INFO", "login cache clear!!!");

                    logoutFlag = true;
                }

                return super.shouldOverrideUrlLoading(view, url);
            }


            //TODO ログイン判定はこちらでやってもよいかも
            @Override
            public void onPageStarted(WebView view, String url, Bitmap favicon) {
                Log.d("INFO", "page started!!!");
            }

            @Override
            public void onPageFinished(WebView view, String url) {
                Log.d("INFO", "page finished!!!");
            }

        });

        webView.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);

        WebSettings webSettings = webView.getSettings();
        webSettings.setJavaScriptEnabled(true);

        webView.loadUrl("http://****/photos");

        Log.d("INFO", "finish my application!!");
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}