import android.view.WindowManager;
import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentActivity;
public class Misc {
public static boolean isZero(float f) {
.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
}
public static void showSoftKeyboard(Fragment fragment) {
- showSoftKeyboard(fragment.getActivity());
+ final FragmentActivity activity = fragment.getActivity();
+ if (activity != null)
+ showSoftKeyboard(activity);
+ }
+ public static void hideSoftKeyboard(Fragment fragment) {
+ final FragmentActivity activity = fragment.getActivity();
+ if (activity != null)
+ hideSoftKeyboard(activity);
+ }
+ public static void hideSoftKeyboard(Activity activity) {
+ Configuration cf = activity.getResources()
+ .getConfiguration();
+ if (cf.keyboard == Configuration.KEYBOARD_NOKEYS ||
+ cf.keyboardHidden == Configuration.KEYBOARDHIDDEN_NO)
+ activity.getWindow()
+ .setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
+
+ }
+ public static String emptyIsNull(String str) {
+ return "".equals(str) ? null : str;
+ }
+ public static String nullIsEmpty(String str) {
+ return (str == null) ? "" : str;
+ }
+ public static boolean isEmptyOrNull (String str) {
+ if (str == null) return true;
+ return str.isEmpty();
}
}