Source code
package android.support.v4.widget;
import android.util.Log;
import android.widget.PopupWindow;
import java.lang.reflect.Field;
class PopupWindowCompatApi21 {
private static final String TAG = "PopupWindowCompatApi21";
private static Field sOverlapAnchorField;
PopupWindowCompatApi21() {
}
static {
try {
sOverlapAnchorField = PopupWindow.class.getDeclaredField("mOverlapAnchor");
sOverlapAnchorField.setAccessible(true);
} catch (NoSuchFieldException e) {
Log.i(TAG, "Could not fetch mOverlapAnchor field from PopupWindow", e);
}
}
static void setOverlapAnchor(PopupWindow popupWindow, boolean overlapAnchor) {
if (sOverlapAnchorField != null) {
try {
sOverlapAnchorField.set(popupWindow, Boolean.valueOf(overlapAnchor));
} catch (IllegalAccessException e) {
Log.i(TAG, "Could not set overlap anchor field in PopupWindow", e);
}
}
}
static boolean getOverlapAnchor(PopupWindow popupWindow) {
if (sOverlapAnchorField != null) {
try {
return ((Boolean) sOverlapAnchorField.get(popupWindow)).booleanValue();
} catch (IllegalAccessException e) {
Log.i(TAG, "Could not get overlap anchor field in PopupWindow", e);
}
}
return false;
}
}