AboutActivity.java

package com.pluscubed.plustimer.ui.about;

import android.app.Fragment;
import android.app.FragmentManager;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.widget.Toolbar;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;

import com.pluscubed.plustimer.BuildConfig;
import com.pluscubed.plustimer.R;
import com.pluscubed.plustimer.ui.LicensesActivity;
import com.pluscubed.plustimer.ui.basedrawer.ThemableActivity;

/**
 * About Page
 */
public class AboutActivity extends ThemableActivity {

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

        setContentView(R.layout.activity_with_toolbar);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar_actionbar);
        setSupportActionBar(toolbar);

        FragmentManager fm = getFragmentManager();
        Fragment f = fm.findFragmentById(R.id
                .activity_with_toolbar_content_framelayout);
        if (f == null) {
            fm.beginTransaction()
                    .replace(R.id.activity_with_toolbar_content_framelayout,
                            new AboutFragment())
                    .commit();
        }
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        setTitle(R.string.about);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            // Respond to the action bar's Up/Home button
            case android.R.id.home:
                finish();
                return true;
        }
        return super.onOptionsItemSelected(item);
    }

    public static class AboutFragment extends Fragment {

        @Nullable
        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                                 Bundle savedInstanceState) {
            View view = inflater.inflate(R.layout.fragment_about, container,
                    false);
            Button licenses = (Button) view.findViewById(R.id
                    .fragment_about_licenses_button);
            licenses.setOnClickListener(v -> {
                Intent intent = new Intent(getActivity(),
                        LicensesActivity.class);
                startActivity(intent);
            });
            TextView appName = (TextView) view.findViewById(R.id
                    .fragment_about_appname_textview);
            appName.setText(getString(R.string.app_name) + "\n v" +
                    BuildConfig.VERSION_NAME);

            Button github = (Button) view.findViewById(R.id
                    .fragment_about_github_button);
            github.setOnClickListener(v -> {
                Uri uriUrl = Uri.parse("https://github.com/plusCubed/plusTimer");
                startActivity(new Intent(Intent.ACTION_VIEW, uriUrl));
            });

            Button email = (Button) view.findViewById(R.id
                    .fragment_about_email_button);
            email.setOnClickListener(v -> {
                Intent intent = new Intent(Intent.ACTION_SENDTO,
                        Uri.fromParts(
                                "mailto", "plusCubed@gmail.com", null));
                startActivity(
                        Intent.createChooser(intent,
                                getString(R.string.send_email)));
            });

            Button rate = (Button) view.findViewById(R.id
                    .fragment_about_rate_button);
            rate.setOnClickListener(v -> {
                try {
                    Uri uri = Uri.parse("market://details?id=com.pluscubed.plustimer");
                    startActivity(new Intent(Intent.ACTION_VIEW, uri));
                } catch (ActivityNotFoundException e) {
                    startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(
                            "http://play.google.com/store/apps/details?id=com.pluscubed.plustimer")));
                }
            });

            Button send = (Button) view.findViewById(R.id.fragment_about_email_history_button);
            send.setOnClickListener(v -> {
                //ErrorUtils.sendFileDataEmail(getActivity());
            });

            return view;
        }
    }
}