Generic view util added to change the visibility of subclasses of View

2 files changed, 41 insertions, 2 deletions

diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/ui/TextViewUtil.java b/src/main/java/de/thedevstack/conversationsplus/utils/ui/TextViewUtil.java
index a775dad6..27a269f2 100644
--- a/src/main/java/de/thedevstack/conversationsplus/utils/ui/TextViewUtil.java
+++ b/src/main/java/de/thedevstack/conversationsplus/utils/ui/TextViewUtil.java
@@ -5,9 +5,9 @@ import android.view.View;
 import android.widget.TextView;
 
 /**
- * Created by steckbrief on 29.03.2016.
+ *
  */
-public final class TextViewUtil {
+public final class TextViewUtil extends ViewUtil {
 
     public static void setText(View parentView, int textViewId, CharSequence text) {
         TextView tv = (TextView) parentView.findViewById(textViewId);
diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/ui/ViewUtil.java b/src/main/java/de/thedevstack/conversationsplus/utils/ui/ViewUtil.java
new file mode 100644
index 00000000..77422587
--- /dev/null
+++ b/src/main/java/de/thedevstack/conversationsplus/utils/ui/ViewUtil.java
@@ -0,0 +1,39 @@
+package de.thedevstack.conversationsplus.utils.ui;
+
+import android.support.annotation.IdRes;
+import android.view.View;
+
+/**
+ * Created by steckbrief on 11.01.2017.
+ */
+
+public class ViewUtil {
+
+    public static <T extends View> T visible(View parentView, @IdRes int textViewId) {
+        T tv = (T) parentView.findViewById(textViewId);
+        if (null != tv) {
+            tv.setVisibility(View.VISIBLE);
+        }
+
+        return tv;
+    }
+
+    public static <T extends View> T invisible(View parentView, @IdRes int textViewId) {
+        T tv = (T) parentView.findViewById(textViewId);
+        if (null != tv) {
+            tv.setVisibility(View.INVISIBLE);
+        }
+
+        return tv;
+    }
+
+    public static <T extends View> T gone(View parentView, @IdRes int textViewId) {
+        T tv = (T) parentView.findViewById(textViewId);
+        if (null != tv) {
+            tv.setVisibility(View.GONE);
+        }
+
+        return tv;
+    }
+
+}