Merge "AppCompatActionBar: use findClass to test presence" into mnc-ub-dev

This commit is contained in:
Deepanshu Gupta
2015-11-17 20:22:43 +00:00
committed by Android (Google) Code Review

View File

@ -76,19 +76,18 @@ public class AppCompatActionBar extends BridgeActionBar {
Class[] constructorParams = {View.class};
Object[] constructorArgs = {getDecorContent()};
LayoutlibCallback callback = params.getLayoutlibCallback();
// First try to load the class as was available before appcompat v23.1.1, without
// logging warnings.
// Check if the old action bar class is present.
String actionBarClass = WINDOW_ACTION_BAR_CLASS;
try {
mWindowDecorActionBar = callback.loadClass(WINDOW_ACTION_BAR_CLASS,
constructorParams, constructorArgs);
} catch (ClassNotFoundException ignore) {
}
if (mWindowDecorActionBar == null) {
// If failed, load the new class, while logging warnings.
mWindowDecorActionBar = callback.loadView(WINDOW_ACTION_BAR_CLASS_NEW,
constructorParams, constructorArgs);
callback.findClass(actionBarClass);
} catch (ClassNotFoundException expected) {
// Failed to find the old class, use the newer one.
actionBarClass = WINDOW_ACTION_BAR_CLASS_NEW;
}
mWindowDecorActionBar = callback.loadView(actionBarClass,
constructorParams, constructorArgs);
mWindowActionBarClass = mWindowDecorActionBar == null ? null :
mWindowDecorActionBar.getClass();
setupActionBar();