2 * Copyright © 2019 Damyan Ivanov.
3 * This file is part of MoLe.
4 * MoLe is free software: you can distribute it and/or modify it
5 * under the term of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your opinion), any later version.
9 * MoLe is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License terms for details.
14 * You should have received a copy of the GNU General Public License
15 * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
18 package net.ktnx.mobileledger.utils;
20 import android.app.Activity;
21 import android.content.res.Configuration;
22 import android.view.WindowManager;
24 import androidx.fragment.app.Fragment;
25 import androidx.fragment.app.FragmentActivity;
28 public static boolean isZero(float f) {
29 return (f < 0.005) && (f > -0.005);
31 public static void showSoftKeyboard(Activity activity) {
32 // make the keyboard appear
33 Configuration cf = activity.getResources()
35 if (cf.keyboard == Configuration.KEYBOARD_NOKEYS ||
36 cf.keyboardHidden == Configuration.KEYBOARDHIDDEN_YES)
38 .setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
40 public static void showSoftKeyboard(Fragment fragment) {
41 final FragmentActivity activity = fragment.getActivity();
43 showSoftKeyboard(activity);
45 public static void hideSoftKeyboard(Fragment fragment) {
46 final FragmentActivity activity = fragment.getActivity();
48 hideSoftKeyboard(activity);
50 public static void hideSoftKeyboard(Activity activity) {
51 Configuration cf = activity.getResources()
53 if (cf.keyboard == Configuration.KEYBOARD_NOKEYS ||
54 cf.keyboardHidden == Configuration.KEYBOARDHIDDEN_NO)
56 .setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
59 public static String emptyIsNull(String str) {
60 return "".equals(str) ? null : str;
62 public static String nullIsEmpty(String str) {
63 return (str == null) ? "" : str;
65 public static boolean isEmptyOrNull (String str) {
66 if (str == null) return true;
69 public static boolean equalStrings(String u, CharSequence text) {
70 return nullIsEmpty(u).equals(text.toString());
72 public static boolean equalStrings(String a, String b) {
73 return nullIsEmpty(a).equals(nullIsEmpty(b));
75 public static boolean isEmptyOrNull(CharSequence text) {
78 return text.length() == 0;