import android.content.res.Configuration;
import android.view.WindowManager;
+import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentActivity;
public class Misc {
public static boolean isZero(float f) {
// make the keyboard appear
Configuration cf = activity.getResources()
.getConfiguration();
- if (cf.keyboardHidden == Configuration.KEYBOARDHIDDEN_YES)
+ if (cf.keyboard == Configuration.KEYBOARD_NOKEYS ||
+ cf.keyboardHidden == Configuration.KEYBOARDHIDDEN_YES)
activity.getWindow()
.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();
+ }
+ public static boolean equalStrings(String u, CharSequence text) {
+ return nullIsEmpty(u).equals(text.toString());
+ }
+ public static boolean equalStrings(String a, String b) {
+ return nullIsEmpty(a).equals(nullIsEmpty(b));
+ }
+ public static boolean isEmptyOrNull(CharSequence text) {
+ if (text == null)
+ return true;
+ return text.length() == 0;
+ }
+ public static String trim(@Nullable String string) {
+ if (string == null)
+ return null;
+
+ return string.trim();
}
}