/**
* Computes the minimum SDK and target SDK versions for the project
*
* @param project the project to look up the versions for
* @return a pair of (minimum SDK, target SDK) versions, never null
*/
@NonNull
public static Pair<Integer, Integer> computeSdkVersions(IProject project) {
int mMinSdkVersion = 1;
int mTargetSdkVersion = 1;
IAbstractFile manifestFile = AndroidManifest.getManifest(new IFolderWrapper(project));
if (manifestFile != null) {
try {
Object value = AndroidManifest.getMinSdkVersion(manifestFile);
mMinSdkVersion = 1; // Default case if missing
if (value instanceof Integer) {
mMinSdkVersion = ((Integer) value).intValue();
} else if (value instanceof String) {
// handle codename, only if we can resolve it.
if (Sdk.getCurrent() != null) {
IAndroidTarget target =
Sdk.getCurrent().getTargetFromHashString("android-" + value); // $NON-NLS-1$
if (target != null) {
// codename future API level is current api + 1
mMinSdkVersion = target.getVersion().getApiLevel() + 1;
}
}
}
Integer i = AndroidManifest.getTargetSdkVersion(manifestFile);
if (i == null) {
mTargetSdkVersion = mMinSdkVersion;
} else {
mTargetSdkVersion = i.intValue();
}
} catch (XPathExpressionException e) {
// do nothing we'll use 1 below.
} catch (StreamException e) {
// do nothing we'll use 1 below.
}
}
return Pair.of(mMinSdkVersion, mTargetSdkVersion);
}
/**
* Ensure that the package, theme and activity maps are initialized and up to date with respect to
* the manifest file
*/
private void sync() {
// Since each of the accessors call sync(), allow a bunch of immediate
// accessors to all bypass the file stat() below
long now = System.currentTimeMillis();
if (now - mLastChecked < 50 && mManifestFile != null) {
return;
}
mLastChecked = now;
if (mManifestFile == null) {
IFolderWrapper projectFolder = new IFolderWrapper(mProject);
mManifestFile = AndroidManifest.getManifest(projectFolder);
if (mManifestFile == null) {
return;
}
}
// Check to see if our data is up to date
long fileModified = mManifestFile.getModificationStamp();
if (fileModified == mLastModified) {
// Already have up to date data
return;
}
mLastModified = fileModified;
mActivityThemes = new HashMap<String, String>();
mManifestTheme = null;
mTargetSdk = 1; // Default when not specified
mMinSdk = 1; // Default when not specified
mMinSdkName = ""; // Default when not specified
mPackage = ""; // $NON-NLS-1$
mApplicationIcon = null;
mApplicationLabel = null;
Document document = null;
try {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
InputSource is = new InputSource(mManifestFile.getContents());
factory.setNamespaceAware(true);
factory.setValidating(false);
DocumentBuilder builder = factory.newDocumentBuilder();
document = builder.parse(is);
Element root = document.getDocumentElement();
mPackage = root.getAttribute(ATTRIBUTE_PACKAGE);
NodeList activities = document.getElementsByTagName(NODE_ACTIVITY);
for (int i = 0, n = activities.getLength(); i < n; i++) {
Element activity = (Element) activities.item(i);
String theme = activity.getAttributeNS(NS_RESOURCES, ATTRIBUTE_THEME);
if (theme != null && theme.length() > 0) {
String name = activity.getAttributeNS(NS_RESOURCES, ATTRIBUTE_NAME);
if (name.startsWith(".") // $NON-NLS-1$
&& mPackage != null
&& mPackage.length() > 0) {
name = mPackage + name;
}
mActivityThemes.put(name, theme);
}
}
NodeList applications = root.getElementsByTagName(AndroidManifest.NODE_APPLICATION);
if (applications.getLength() > 0) {
assert applications.getLength() == 1;
Element application = (Element) applications.item(0);
if (application.hasAttributeNS(NS_RESOURCES, ATTRIBUTE_ICON)) {
mApplicationIcon = application.getAttributeNS(NS_RESOURCES, ATTRIBUTE_ICON);
}
if (application.hasAttributeNS(NS_RESOURCES, ATTRIBUTE_LABEL)) {
mApplicationLabel = application.getAttributeNS(NS_RESOURCES, ATTRIBUTE_LABEL);
}
String defaultTheme = application.getAttributeNS(NS_RESOURCES, ATTRIBUTE_THEME);
if (defaultTheme != null && !defaultTheme.isEmpty()) {
// From manifest theme documentation:
// "If that attribute is also not set, the default system theme is used."
mManifestTheme = defaultTheme;
}
}
// Look up target SDK
NodeList usesSdks = root.getElementsByTagName(NODE_USES_SDK);
if (usesSdks.getLength() > 0) {
Element usesSdk = (Element) usesSdks.item(0);
mMinSdk = getApiVersion(usesSdk, ATTRIBUTE_MIN_SDK_VERSION, 1);
mTargetSdk = getApiVersion(usesSdk, ATTRIBUTE_TARGET_SDK_VERSION, mMinSdk);
}
} catch (SAXException e) {
AdtPlugin.log(e, "Malformed manifest");
} catch (Exception e) {
AdtPlugin.log(e, "Could not read Manifest data");
}
}