/**
* Extracts the package name from an XmlTree dump of AndroidManifest.xml by the <code>aapt</code> tool.
* @param aaptDumpXmlTree output from <code>aapt dump xmltree <apkFile> AndroidManifest.xml
* @return the package name from inside the apkFile.
*/
protected String extractPackageNameFromAndroidManifestXmlTree(String aaptDumpXmlTree) {
final Scanner scanner = new Scanner(aaptDumpXmlTree);
// Finds the root element named "manifest".
scanner.findWithinHorizon("^E: manifest", 0);
// Finds the manifest element's attribute named "package".
scanner.findWithinHorizon(" A: package=\"", 0);
// Extracts the package value including the trailing double quote.
String packageName = scanner.next(".*?\"");
// Removes the double quote.
packageName = packageName.substring(0, packageName.length() - 1);
return packageName;
}
