2 files changed, 56 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/ui/AboutActivity.java b/src/main/java/eu/siacs/conversations/ui/AboutActivity.java
new file mode 100644
index 00000000..a61b872a
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/ui/AboutActivity.java
@@ -0,0 +1,15 @@
+package eu.siacs.conversations.ui;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+import eu.siacs.conversations.R;
+
+public class AboutActivity extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_about);
+    }
+}
diff --git a/src/main/java/eu/siacs/conversations/ui/AboutPreference.java b/src/main/java/eu/siacs/conversations/ui/AboutPreference.java
new file mode 100644
index 00000000..804b4e23
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/ui/AboutPreference.java
@@ -0,0 +1,41 @@
+package eu.siacs.conversations.ui;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.preference.Preference;
+import android.util.AttributeSet;
+
+public class AboutPreference extends Preference {
+	public AboutPreference(final Context context, final AttributeSet attrs, final int defStyle) {
+		super(context, attrs, defStyle);
+		setSummary();
+	}
+
+	public AboutPreference(final Context context, final AttributeSet attrs) {
+		super(context, attrs);
+		setSummary();
+	}
+
+    @Override
+    protected void onClick() {
+        super.onClick();
+        final Intent intent = new Intent(getContext(), AboutActivity.class);
+        getContext().startActivity(intent);
+    }
+
+    private void setSummary() {
+		if (getContext() != null && getContext().getPackageManager() != null) {
+			final String packageName = getContext().getPackageName();
+			final String versionName;
+			try {
+				versionName = getContext().getPackageManager().getPackageInfo(packageName, 0).versionName;
+				setSummary("Conversations " + versionName);
+			} catch (final PackageManager.NameNotFoundException e) {
+				// Using try/catch as part of the logic is sort of like this:
+				// https://xkcd.com/292/
+			}
+		}
+	}
+}
+