@Test
public void testConfigure() throws Exception {
HashMap<String, String> params = new HashMap<String, String>();
String param1 = "this is a test.";
String param2 = Plot.RenderMode.USE_BACKGROUND_THREAD.toString();
String param3 = "#FF0000";
params.put("title", param1);
params.put("renderMode", param2);
params.put("backgroundPaint.color", param3);
params.put("graphWidget.domainTickLabelPaint.color", param3);
Configurator.configure(RuntimeEnvironment.application, plot, params);
assertEquals(param1, plot.getTitle());
assertEquals(Plot.RenderMode.USE_BACKGROUND_THREAD, plot.getRenderMode());
assertEquals(Color.parseColor(param3), plot.getBackgroundPaint().getColor());
assertEquals(
Color.parseColor(param3), plot.getGraphWidget().getDomainTickLabelPaint().getColor());
}
/**
* Parse XML Attributes. Should only be called once and at the end of the base class constructor.
* The first-pass attempts to locate styleable attributes and apply those first. After that,
* configurator-style attributes are applied, overriding any styleable attrs that may have been
* previously applied.
*
* @param attrs
*/
private void loadAttrs(AttributeSet attrs, int defStyle) {
if (attrs != null) {
Field styleableFieldInR = null;
TypedArray typedAttrs = null;
final String appPkg = getContext().getPackageName();
Class styleableClass = null;
try {
/**
* Need to retrieve R$styleable.class dynamically to avoid exceptions in environments where
* this class does not exist, such as .jar users that have not merged the library's
* attrs.xml with their own.
*/
styleableClass = Class.forName(appPkg + ".R$styleable");
} catch (ClassNotFoundException e) {
// when running as a preview in IntelliJ or AndroidStudio it seems that the package of R is
// something else; this fixes that issue:
if (isInEditMode()) {
styleableClass = R.styleable.class;
}
}
if (styleableClass != null) {
String styleableName = getClass().getName().substring(BASE_PACKAGE.length());
styleableName = styleableName.replace('.', '_');
try {
/**
* Use reflection to safely check for the existence of styleable defs for Plot and it's
* derivatives. This safety check is necessary to avoid runtime exceptions in apps that
* don't include Androidplot as a .aar and won't have access to the resources defined in
* the core library.
*/
styleableFieldInR = styleableClass.getField(styleableName);
} catch (NoSuchFieldException e) {
Log.d(TAG, "Styleable definition not found for: " + styleableName);
}
if (styleableFieldInR != null) {
try {
int[] resIds = (int[]) styleableFieldInR.get(null);
typedAttrs = getContext().obtainStyledAttributes(attrs, resIds, defStyle, 0);
} catch (IllegalAccessException e) {
// nothing to do
} finally {
if (typedAttrs != null) {
// apply derived class' attrs:
processAttrs(typedAttrs);
typedAttrs.recycle();
}
}
}
try {
styleableFieldInR = styleableClass.getField(Plot.class.getSimpleName());
if (styleableFieldInR != null) {
int[] resIds = (int[]) styleableFieldInR.get(null);
typedAttrs = getContext().obtainStyledAttributes(attrs, resIds, defStyle, 0);
}
} catch (IllegalAccessException e) {
// nothing to do
} catch (NoSuchFieldException e) {
Log.d(TAG, "Styleable definition not found for: " + Plot.class.getSimpleName());
} finally {
if (typedAttrs != null) {
// apply base attrs:
processBaseAttrs(typedAttrs);
typedAttrs.recycle();
}
}
}
// apply "configurator" attrs: (overrides any previously applied styleable attrs)
// filter out androidplot prefixed attrs:
HashMap<String, String> attrHash = new HashMap<String, String>();
for (int i = 0; i < attrs.getAttributeCount(); i++) {
String attrName = attrs.getAttributeName(i);
// case insensitive check to see if this attr begins with our prefix:
if (attrName != null && attrName.toUpperCase().startsWith(XML_ATTR_PREFIX.toUpperCase())) {
attrHash.put(
attrName.substring(XML_ATTR_PREFIX.length() + 1), attrs.getAttributeValue(i));
}
}
Configurator.configure(getContext(), this, attrHash);
}
}