com.grokkingandroid.sampleapp.samples.about.AboutFragment.java Source code

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Here is the source code for com.grokkingandroid.sampleapp.samples.about.AboutFragment.java

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/*
 * Copyright (C) 2014 Wolfram Rittmeyer
 *
 * 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.grokkingandroid.sampleapp.samples.about;

import android.content.res.Resources;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.text.Html;
import android.text.Spanned;
import android.text.method.LinkMovementMethod;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.grokkingandroid.sampleapp.samples.gcm.R;

public class AboutFragment extends DialogFragment {

    private static final String KEY_RESOURCE_IDS = "keyResIds";
    private static final String KEY_ADD_DEFAULT_LIBS = "keyAddDefaultLibs";

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

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        Resources res = getResources();
        if (getArguments() == null) {
            throw new IllegalStateException("Arguments bundle must not be empty");
        }
        int[] resIds = getArguments().getIntArray(KEY_RESOURCE_IDS);
        getDialog().setTitle(res.getString(R.string.about));
        View view = inflater.inflate(R.layout.fragment_about, container, false);
        ViewGroup libParent = (ViewGroup) view.findViewById(R.id.about_container);

        String[] libTitles = null;
        String[] libDescriptions = null;
        if (resIds[0] != -1) {
            libTitles = res.getStringArray(resIds[0]);
            libDescriptions = res.getStringArray(resIds[1]);
        }
        if (getArguments().getBoolean(KEY_ADD_DEFAULT_LIBS, true)) {
            if (resIds[0] == -1) {
                libTitles = res.getStringArray(R.array.grokkingandroidsample_about_titles);
                libDescriptions = res.getStringArray(R.array.grokkingandroidsample_about_contents);
            } else {
                String[] defaultTitles = res.getStringArray(R.array.grokkingandroidsample_about_titles);
                String[] target = new String[defaultTitles.length + libTitles.length];
                System.arraycopy(libTitles, 0, target, 0, libTitles.length);
                System.arraycopy(defaultTitles, 0, target, libTitles.length, defaultTitles.length);
                libTitles = target;
                String[] defaultDescriptions = res.getStringArray(R.array.grokkingandroidsample_about_contents);
                target = new String[defaultDescriptions.length + libTitles.length];
                System.arraycopy(libDescriptions, 0, target, 0, libDescriptions.length);
                System.arraycopy(defaultDescriptions, 0, target, libDescriptions.length,
                        defaultDescriptions.length);
                libDescriptions = target;
            }
        }
        String libraryPlural = res.getQuantityString(R.plurals.plural_libraries, libTitles.length);
        String appTitle = res.getString(resIds[3]);
        String copyrightYear = res.getString(resIds[4]);
        String repositoryLink = res.getString(resIds[5]);
        String aboutText = res.getString(resIds[2], appTitle, copyrightYear, repositoryLink, libraryPlural);
        Spanned spannedAboutText = Html.fromHtml(aboutText);
        TextView aboutTv = (TextView) libParent.findViewById(R.id.about_text);
        aboutTv.setText(spannedAboutText);
        aboutTv.setMovementMethod(LinkMovementMethod.getInstance());

        if (libTitles != null) {
            for (int i = 0; i < libTitles.length; i++) {
                View libContainer = inflater.inflate(R.layout.single_library_layout, libParent, false);
                TextView currLibTitle = (TextView) libContainer.findViewById(R.id.library_title);
                currLibTitle.setText(libTitles[i]);
                TextView currLibDesc = (TextView) libContainer.findViewById(R.id.library_text);
                Spanned spanned = Html.fromHtml(libDescriptions[i]);
                currLibDesc.setText(spanned);
                currLibDesc.setMovementMethod(LinkMovementMethod.getInstance());
                libParent.addView(libContainer);
            }
        }
        return view;
    }

    public static AboutFragment newInstance(int[] resourceIds, boolean useDefaultLibs) {
        AboutFragment f = new AboutFragment();
        Bundle bundle = new Bundle();
        bundle.putIntArray(KEY_RESOURCE_IDS, resourceIds);
        bundle.putBoolean(KEY_ADD_DEFAULT_LIBS, useDefaultLibs);
        f.setArguments(bundle);
        return f;
    }

}