1package eu.siacs.conversations.ui;
 2
 3import android.content.Context;
 4import android.content.Intent;
 5import android.content.pm.PackageManager;
 6import android.preference.Preference;
 7import android.util.AttributeSet;
 8
 9public class AboutPreference extends Preference {
10	public AboutPreference(final Context context, final AttributeSet attrs, final int defStyle) {
11		super(context, attrs, defStyle);
12		setSummary();
13	}
14
15	public AboutPreference(final Context context, final AttributeSet attrs) {
16		super(context, attrs);
17		setSummary();
18	}
19
20    @Override
21    protected void onClick() {
22        super.onClick();
23        final Intent intent = new Intent(getContext(), AboutActivity.class);
24        getContext().startActivity(intent);
25    }
26
27    private void setSummary() {
28		if (getContext() != null && getContext().getPackageManager() != null) {
29			final String packageName = getContext().getPackageName();
30			final String versionName;
31			try {
32				versionName = getContext().getPackageManager().getPackageInfo(packageName, 0).versionName;
33				setSummary("Conversations " + versionName);
34			} catch (final PackageManager.NameNotFoundException e) {
35				// Using try/catch as part of the logic is sort of like this:
36				// https://xkcd.com/292/
37			}
38		}
39	}
40}
41