cz.yetanotherview.developerconsole.MainActivity.java Source code

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Here is the source code for cz.yetanotherview.developerconsole.MainActivity.java

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/*
* ******************************************************************************
* Copyright (c) 2013-2016 Tomas Valenta.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* *****************************************************************************
*/

package cz.yetanotherview.developerconsole;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.widget.SwipeRefreshLayout;
import android.view.View;
import android.view.ViewTreeObserver;
import android.webkit.CookieManager;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Toast;

public class MainActivity extends Activity implements View.OnClickListener, SwipeRefreshLayout.OnRefreshListener,
        ViewTreeObserver.OnScrollChangedListener {

    private static final String DEVELOPER_CONSOLE = "https://play.google.com/apps/publish/";

    private WebView browser;
    private SwipeRefreshLayout swipeRefreshLayout;
    private boolean doubleBackToExitPressedOnce, error;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        findViewById(R.id.tryAgainButton).setOnClickListener(this);

        swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_refresh_layout);
        swipeRefreshLayout.setColorSchemeResources(R.color.primary, R.color.button);
        swipeRefreshLayout.setOnRefreshListener(this);

        browser = (WebView) findViewById(R.id.webView);
        browser.setWebViewClient(new MyBrowser());
        CookieManager.getInstance().setAcceptCookie(true);

        open();
    }

    @SuppressLint("SetJavaScriptEnabled")
    private void open() {
        browser.getSettings().setLoadsImagesAutomatically(true);
        browser.getSettings().setJavaScriptEnabled(true);
        browser.getViewTreeObserver().addOnScrollChangedListener(this);
        browser.loadUrl(DEVELOPER_CONSOLE);
    }

    @Override
    public void onClick(View view) {
        error = false;
        browser.loadUrl(DEVELOPER_CONSOLE);
        new Handler().postDelayed(new Runnable() {
            @Override
            public void run() {
                if (!error)
                    browser.setVisibility(View.VISIBLE);
            }
        }, 2000);
    }

    @Override
    public void onRefresh() {
        browser.reload();
    }

    @Override
    public void onScrollChanged() {
        if (browser.getScrollY() == 0) {
            swipeRefreshLayout.setEnabled(true);
        } else {
            swipeRefreshLayout.setEnabled(false);
        }
    }

    private class MyBrowser extends WebViewClient {

        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            view.loadUrl(url);
            return true;
        }

        @Override
        public void onPageStarted(WebView view, String url, android.graphics.Bitmap favicon) {
            if (!swipeRefreshLayout.isRefreshing()) {
                swipeRefreshLayout.setRefreshing(true);
            }
        }

        @Override
        public void onPageFinished(WebView webView, String url) {
            if (swipeRefreshLayout != null) {
                swipeRefreshLayout.setRefreshing(false);
            }
        }

        @Override
        public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
            error = true;
            view.setVisibility(View.GONE);
            findViewById(R.id.action_error_full).setVisibility(View.VISIBLE);
        }
    }

    @Override
    public void onBackPressed() {
        if (doubleBackToExitPressedOnce) {
            new AlertDialog.Builder(this).setIcon(R.drawable.ic_launcher).setTitle(R.string.dialog_title)
                    .setMessage(R.string.message)
                    .setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            finish();
                        }

                    }).setNegativeButton(R.string.no, null).show();
            return;
        } else {
            if (browser.canGoBack()) {
                browser.goBack();
            }
        }

        this.doubleBackToExitPressedOnce = true;
        if (getApplicationContext() == null) {
            return;
        } else {
            Toast.makeText(this, R.string.exit_press_back_twice_message, Toast.LENGTH_SHORT).show();
        }
        new Handler().postDelayed(new Runnable() {

            @Override
            public void run() {
                doubleBackToExitPressedOnce = false;
            }
        }, 2000);
    }
}