X-Git-Url: https://git.ktnx.net/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fnet%2Fktnx%2Fmobileledger%2Futils%2FMisc.java;h=caa107c272723da26d4d766ea6b0d5cb63dc2a55;hb=a8764e35e1c5e7e40ab73c51e2ac1a7ac7e03b26;hp=bbfa828baa449467bbfe53b71cf05badc97aa93d;hpb=a6f424b60420ab0bc60ccf6b6993661a85fa6cd5;p=mobile-ledger.git

diff --git a/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java b/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java
index bbfa828b..caa107c2 100644
--- a/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java
+++ b/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java
@@ -22,6 +22,7 @@ import android.content.res.Configuration;
 import android.view.WindowManager;
 
 import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentActivity;
 
 public class Misc {
     public static boolean isZero(float f) {
@@ -37,6 +38,38 @@ public class Misc {
                     .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));
     }
 }