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