Show version in dumped info

Bug: 10315296
Change-Id: Icb8e271451f4f9c5b083bfb5eb408372479c2140

java/src/com/android/inputmethod/latin/LatinIME.java

@@ -3276,6 +3276,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
         final Printer p = new PrintWriterPrinter(fout);
         p.println("LatinIME state :");
+        p.println("  VersionCode = " + ApplicationUtils.getVersionCode(this));
+        p.println("  VersionName = " + ApplicationUtils.getVersionName(this));
         final Keyboard keyboard = mKeyboardSwitcher.getKeyboard();
         final int keyboardMode = keyboard != null ? keyboard.mId.mMode : -1;
         p.println("  Keyboard mode = " + keyboardMode);

java/src/com/android/inputmethod/latin/utils/ApplicationUtils.java

@@ -62,4 +62,22 @@ public final class ApplicationUtils {
         }
         return "";
     }
+
+    /**
+     * A utility method to get the application's PackageInfo.versionCode
+     * @return the application's PackageInfo.versionCode
+     */
+    public static int getVersionCode(final Context context) {
+        try {
+            if (context == null) {
+                return 0;
+            }
+            final String packageName = context.getPackageName();
+            final PackageInfo info = context.getPackageManager().getPackageInfo(packageName, 0);
+            return info.versionCode;
+        } catch (final NameNotFoundException e) {
+            Log.e(TAG, "Could not find version info.", e);
+        }
+        return 0;
+    }
 }