AboutActivity.java

package com.github.bkhezry.demomapdrawingtools.ui;

import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.MenuItem;
import android.widget.TextView;

import com.github.bkhezry.demomapdrawingtools.R;
import com.github.bkhezry.demomapdrawingtools.utils.AppUtils;

public class AboutActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_about);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        getSupportActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_HOME |
                ActionBar.DISPLAY_HOME_AS_UP | ActionBar.DISPLAY_SHOW_TITLE);
        String versionName = "";
        try {
            versionName = getPackageManager().getPackageInfo(getPackageName(), 0).versionName;
        } catch (PackageManager.NameNotFoundException e) {
            // do nothing
        }
        setTextWithLinks((TextView) findViewById(R.id.text_application_info), getString(R.string.application_info_text, versionName));
        setTextWithLinks((TextView) findViewById(R.id.text_developer_info), getString(R.string.developer_info_text));
        setTextWithLinks((TextView) findViewById(R.id.text_libraries), getString(R.string.libraries_text));
        setTextWithLinks((TextView) findViewById(R.id.text_license), getString(R.string.license_text));
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == android.R.id.home) {
            finish();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    private void setTextWithLinks(TextView textView, String htmlText) {
        AppUtils.setTextWithLinks(textView, AppUtils.fromHtml(htmlText));
    }
}