com.github.snowdream.android.app.books.BookFragment.java Source code

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Here is the source code for com.github.snowdream.android.app.books.BookFragment.java

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/*
 * Copyright (C) 2014 Snowdream Mobile <yanghui1986527@gmail.com>
 *
 * 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 com.github.snowdream.android.app.books;

import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.text.TextUtils;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.*;
import com.github.snowdream.android.util.Log;
import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.AdView;

import java.util.Locale;

public class BookFragment extends Fragment {
    private static final String TEST_DEVICE_ID = "INSERT_YOUR_TEST_DEVICE_ID_HERE";
    public static final String BOOK_URL_KEY = "BOOK_URL_KEY";

    private WebView webView = null;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_book, null);
    }

    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        initUI(view);
        initData();
    }

    private void initUI(View rootview) {
        webView = (WebView) rootview.findViewById(R.id.webView);
        //        progressbar = (SmoothProgressBar) rootview.findViewById(R.id.progressbar);
        WebSettings webSettings = webView.getSettings();
        webSettings.setJavaScriptEnabled(true);
        webSettings.setDomStorageEnabled(true);
        webSettings.setAllowFileAccess(true);
        webSettings.setSupportZoom(true);
        webSettings.setBuiltInZoomControls(true);
        webSettings.setUseWideViewPort(true);
        String appCachePath = getActivity().getApplicationContext().getCacheDir().getAbsolutePath();
        webSettings.setAppCachePath(appCachePath);
        webSettings.setAppCacheEnabled(true);

        webView.setWebViewClient(new WebViewClient() {
            @Override
            public void onPageStarted(WebView view, String url, Bitmap favicon) {
                super.onPageStarted(view, url, favicon);
                //                progressbar.setVisibility(View.VISIBLE);
            }

            @Override
            public void onPageFinished(WebView view, String url) {
                super.onPageFinished(view, url);
                //                progressbar.setVisibility(View.INVISIBLE);
            }

            @Override
            public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
                super.onReceivedError(view, errorCode, description, failingUrl);
                //                progressbar.setVisibility(View.INVISIBLE);
            }
        });
        webView.setWebChromeClient(new WebChromeClient() {
            @Override
            public boolean onJsAlert(WebView view, String url, String message, JsResult result) {
                return super.onJsAlert(view, url, message, result);
            }
        });

        // The "loadAdOnCreate" and "testDevices" XML attributes no longer available.
        AdView adView = (AdView) rootview.findViewById(R.id.adView);
        AdRequest adRequest = new AdRequest.Builder().addTestDevice(AdRequest.DEVICE_ID_EMULATOR)
                .addTestDevice(TEST_DEVICE_ID).build();
        adView.loadAd(adRequest);

        getView().setFocusableInTouchMode(true);
        getView().setOnKeyListener(new View.OnKeyListener() {
            @Override
            public boolean onKey(View v, int keyCode, KeyEvent event) {
                if (webView.canGoBack() && keyCode == KeyEvent.KEYCODE_BACK) {
                    webView.goBack();

                    return true;
                }
                return false;
            }
        });
    }

    private void initData() {
        Bundle bundle = getArguments();
        String book_url = bundle.getString(BOOK_URL_KEY);

        if (TextUtils.isEmpty(book_url)) {
            Log.w("The Book Url is null or empty.");
            return;
        }

        webView.loadUrl(book_url);
    }

    @Override
    public void onDestroy() {
        webView.stopLoading();
        webView.destroy();
        super.onDestroy();
    }
}