Add DynamicViewUtils

dynamic-utils/src/main/java/com/pranavpandey/android/dynamic/utils/DynamicViewUtils.java

@@ -0,0 +1,69 @@
+package com.pranavpandey.android.dynamic.utils;
+
+import android.annotation.TargetApi;
+import android.support.annotation.NonNull;
+import android.view.View;
+import android.view.ViewGroup;
+
+/**
+ * Helper class to perform {@link View} operations.
+ */
+public class DynamicViewUtils {
+
+    /**
+     * Set light status bar if we are using light primary color on
+     * Android M or above devices.
+     *
+     * @param isLight {@code true} to set the light status bar.
+     */
+    @TargetApi(android.os.Build.VERSION_CODES.M)
+    public static void setLightStatusBar(@NonNull View view, boolean isLight){
+        if (DynamicVersionUtils.isMarshmallow()) {
+            int flags = view.getSystemUiVisibility();
+            if (isLight) {
+                flags |= View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
+            } else {
+                flags &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
+            }
+
+            view.setSystemUiVisibility(flags);
+        }
+    }
+
+    /**
+     * Set light navigation bar if we are using light primary color on
+     * Android O or above devices.
+     *
+     * @param isLight {@code true} to set the light navigation bar.
+     */
+    @TargetApi(android.os.Build.VERSION_CODES.O)
+    public static void setLightNavigationBar(@NonNull View view, boolean isLight){
+        if (DynamicVersionUtils.isOreo()) {
+            int flags = view.getSystemUiVisibility();
+            if (isLight) {
+                flags |= View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
+            } else {
+                flags &= ~View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
+            }
+
+            view.setSystemUiVisibility(flags);
+        }
+    }
+
+    /**
+     * Add a view to the view group.
+     *
+     * @param viewGroup View group to add the view.
+     * @param view View to be added.
+     * @param removePrevious {@link true} to remove all the previous
+     *                       views of the view group.
+     */
+    public static void addView(@NonNull ViewGroup viewGroup,
+                               @NonNull View view, boolean removePrevious) {
+        if (removePrevious && viewGroup.getChildCount() > 0) {
+            viewGroup.removeAllViews();
+        }
+
+        viewGroup.addView(view);
+    }
+}