AboutFragment.java

/*
 * Copyright (C) Winson Chiu
 *
 * 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 cw.kop.autobackground.settings;

import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.PreferenceFragment;
import android.preference.PreferenceManager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ScrollView;
import android.widget.TextView;

import com.google.android.gms.common.GooglePlayServicesUtil;

import cw.kop.autobackground.DialogFactory;
import cw.kop.autobackground.R;

public class AboutFragment extends PreferenceFragment implements Preference.OnPreferenceClickListener {

    private Context appContext;

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

        PreferenceManager.setDefaultValues(getActivity(), R.xml.preferences_about, false);

        addPreferencesFromResource(R.xml.preferences_about);
    }

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

        Preference copyrightPref = findPreference("about_copyright");
        copyrightPref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
            @Override
            public boolean onPreferenceClick(Preference preference) {
                Dialog dialog = DialogFactory.getDialog(appContext);

                TextView textView = new TextView(appContext);
                textView.setText(appContext.getResources().getString(R.string.about_copyright_text));

                ScrollView scrollView = new ScrollView(appContext);
                scrollView.addView(textView);

                dialog.setContentView(scrollView);

                dialog.show();

                return false;
            }
        });

        Preference playServicesPref = findPreference("about_library_google_play_services");
        playServicesPref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
            @Override
            public boolean onPreferenceClick(Preference preference) {
                Dialog dialog = DialogFactory.getDialog(appContext);

                TextView textView = new TextView(appContext);
                textView.setText(GooglePlayServicesUtil.getOpenSourceSoftwareLicenseInfo(appContext));

                ScrollView scrollView = new ScrollView(appContext);
                scrollView.addView(textView);

                dialog.setContentView(scrollView);

                dialog.show();

                return false;
            }
        });

        findPreference("about_self_copyright").setOnPreferenceClickListener(this);
        findPreference("about_library_jsoup").setOnPreferenceClickListener(this);
        findPreference("about_library_picasso").setOnPreferenceClickListener(this);
        findPreference("about_library_colorpickerview").setOnPreferenceClickListener(this);

        return inflater.inflate(R.layout.fragment_list, container, false);
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        appContext = getActivity();
    }

    @Override
    public void onDetach() {
        appContext = null;
        super.onDetach();
    }

    @Override
    public boolean onPreferenceClick(Preference preference) {

        String key = preference.getKey();
        Intent intent = null;

        switch (key) {
            case "about_self_copyright":
                intent = new Intent(Intent.ACTION_VIEW);
                intent.setData(Uri.parse("https://github.com/TheKeeperOfPie/AutoBackground"));
                break;
            case "about_library_jsoup":
                intent = new Intent(Intent.ACTION_VIEW);
                intent.setData(Uri.parse("http://jsoup.org/"));
                break;
            case "about_library_picasso":
                intent = new Intent(Intent.ACTION_VIEW);
                intent.setData(Uri.parse("http://square.github.io/picasso/"));
                break;
            case "about_library_colorpickerview":
                intent = new Intent(Intent.ACTION_VIEW);
                intent.setData(Uri.parse("https://code.google.com/p/color-picker-view/"));
                break;
        }


        if (intent != null) {
            appContext.startActivity(intent);
            return true;
        }

        return false;
    }
}