add support for transaction-level comments in the JSON-based parser

[mobile-ledger-staging.git] / app / src / main / java / net / ktnx / mobileledger / utils / Misc.java

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 8698e0bc346f58d1763f3c5f658387eeb0102c2e..b912541fcd351f20d92b948c846ab481cb289d14 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java
+++ b/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java
@@ -21,7 +21,9 @@ import android.app.Activity;
 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) {
@@ -31,11 +33,55 @@ public class Misc {
         // 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();
     }
 }