com.conceptberria.wattion.viewprice.AboutActivity.java Source code

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Here is the source code for com.conceptberria.wattion.viewprice.AboutActivity.java

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/*
 * Copyright 2016 ConceptBerria
 * 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.conceptberria.wattion.viewprice;

import android.content.res.AssetManager;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v7.app.ActionBarActivity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings.LayoutAlgorithm;
import android.webkit.WebView;
import android.webkit.WebViewClient;

import com.conceptberria.wattion.app.EnergyControlApp;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

public class AboutActivity extends ActionBarActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        this.setContentView(R.layout.activity_about);
        if (savedInstanceState == null) {
            this.getSupportFragmentManager().beginTransaction()
                    .add(R.id.container, new AboutActivity.PlaceholderFragment()).commit();
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.
        this.getMenuInflater().inflate(R.menu.about, 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.

        return super.onOptionsItemSelected(item);
    }

    /**
     * A placeholder fragment containing a simple view.
     */
    public static class PlaceholderFragment extends Fragment {

        public PlaceholderFragment() {
        }

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

            View rootView = inflater.inflate(R.layout.fragment_about, container, false);

            WebView webView = (WebView) rootView.findViewById(R.id.aboutContent);

            webView.getSettings().setJavaScriptEnabled(true);
            webView.getSettings().setBuiltInZoomControls(false);
            webView.getSettings().setLoadWithOverviewMode(true);

            webView.getSettings().setLayoutAlgorithm(LayoutAlgorithm.SINGLE_COLUMN);
            webView.setWebViewClient(new WebViewClient());

            webView.setWebChromeClient(new WebChromeClient());
            webView.getSettings().setDefaultTextEncodingName("UTF-8");
            webView.loadUrl("file:///android_asset/html/about.html");

            return rootView;
        }
    }

    private String htmlFromManager() {
        StringBuilder prompt = new StringBuilder();
        InputStream inputStream = null;
        AssetManager assetManager = EnergyControlApp.getContext().getAssets();
        try {
            inputStream = assetManager.open("html/about.html");

            BufferedReader r = new BufferedReader(new InputStreamReader(inputStream));

            String line;
            while ((line = r.readLine()) != null) {
                prompt.append(line);
            }
            inputStream.close();
        } catch (IOException e) {

        }
        return prompt.toString();
    }
}