utility routines for comparing strings with another string/CharSeqence, treating...

[mobile-ledger.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 ee6f5a746cf0f44761ee29bbf3bf3774084bc192..caa107c272723da26d4d766ea6b0d5cb63dc2a55 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java
+++ b/app/src/main/java/net/ktnx/mobileledger/utils/Misc.java
@@ -17,8 +17,59 @@
 
 package net.ktnx.mobileledger.utils;
 
+import android.app.Activity;
+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) {
         return (f < 0.005) && (f > -0.005);
     }
+    public static void showSoftKeyboard(Activity activity) {
+        // make the keyboard appear
+        Configuration cf = activity.getResources()
+                                   .getConfiguration();
+        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) {
+        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));
+    }
 }