1 files changed, 137 insertions, 0 deletions
diff --git a/src/menion/android/locus/addon/publiclib/LocusUtils.java b/src/menion/android/locus/addon/publiclib/LocusUtils.java
new file mode 100644
index 0000000..45de4bd
--- /dev/null
+++ b/src/menion/android/locus/addon/publiclib/LocusUtils.java
@@ -0,0 +1,137 @@
+package menion.android.locus.addon.publiclib;
+
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+
+/**
+ * Locus Helper class
+ * 
+ * @author Menion Asamm
+ * @author Arcao
+ * 
+ */
+public class LocusUtils {
+
+	/** Locus Free package name */
+	public static final String LOCUS_FREE_PACKAGE_NAME = "menion.android.locus";
+	/** Locus Pro package name */
+	public static final String LOCUS_PRO_PACKAGE_NAME = "menion.android.locus.pro";
+	/** All Locus package names */
+	public static final String[] LOCUS_PACKAGE_NAMES = new String[] {
+			LOCUS_PRO_PACKAGE_NAME, LOCUS_FREE_PACKAGE_NAME };
+
+	/**
+	 * Returns <code>true</code> if Locus Pro or Locus Free is installed.
+	 * 
+	 * @param context
+	 *            actual {@link Context}
+	 * @return true or false
+	 */
+	public static boolean isLocusAvailable(Context context) {
+		return getLocusPackageInfo(context) != null;
+	}
+
+	/**
+	 * Returns {@link PackageInfo} with information about Locus or null if Locus
+	 * is not installed.
+	 * 
+	 * @param context
+	 *            actual {@link Context}
+	 * @return instance of PackageInfo object
+	 */
+	public static PackageInfo getLocusPackageInfo(Context context) {
+		PackageInfo info = null;
+		for (String p : LOCUS_PACKAGE_NAMES) {
+			try {
+				info = context.getPackageManager().getPackageInfo(p, 0);
+				break;
+			} catch (PackageManager.NameNotFoundException e) {
+			}
+		}
+
+		return info;
+	}
+
+	/**
+	 * Returns Locus version, e.g. <code>"1.9.5.1"</code>. If Locus is not
+	 * installed returns <code>null</code>.
+	 * 
+	 * @param context
+	 *            actual {@link Context}
+	 * @return version
+	 */
+	public static String getLocusVersion(Context context) {
+		PackageInfo info = getLocusPackageInfo(context);
+
+		if (info == null)
+			return null;
+
+		return info.versionName;
+	}
+
+	/**
+	 * Returns Locus version code, e.g. <code>99</code>. If Locus is not
+	 * installed returns <code>-1</code>.
+	 * 
+	 * @param context
+	 *            actual {@link Context}
+	 * @return version code
+	 */
+	public static int getLocusVersionCode(Context context) {
+		PackageInfo info = getLocusPackageInfo(context);
+
+		if (info == null)
+			return -1;
+
+		return info.versionCode;
+	}
+
+	/**
+	 * Returns <code>true</code> if Locus Pro is installed.
+	 * 
+	 * @param context
+	 *            actual {@link Context}
+	 * @return true or false
+	 */
+	public static boolean isLocusProInstalled(Context context) {
+		try {
+			context.getPackageManager().getPackageInfo(LOCUS_PRO_PACKAGE_NAME,
+					0);
+			return true;
+		} catch (PackageManager.NameNotFoundException e) {
+			return false;
+		}
+	}
+
+	/**
+	 * Returns a package name of Locus (Pro). If Locus is not installed returns
+	 * null.
+	 * 
+	 * @param context
+	 *            actual {@link Context}
+	 * @return package name
+	 */
+	public static String getLocusPackageName(Context context) {
+		PackageInfo info = getLocusPackageInfo(context);
+		if (info == null)
+			return null;
+		return info.packageName;
+	}
+
+	/**
+	 * Returns a package name like {@link #getLocusPackageName(Context)} but if
+	 * Locus is not installed returns a default package name constant
+	 * {@link #LOCUS_FREE_PACKAGE_NAME}.
+	 * 
+	 * @param context
+	 *            actual {@link Context}
+	 * @return package name
+	 */
+	public static String getLocusDefaultPackageName(Context context) {
+		String name = getLocusPackageName(context);
+		if (name == null)
+			return LOCUS_FREE_PACKAGE_NAME;
+		return name;
+	}
+}