Utils class for generating unique view ids.

Author: andreidd

library/src/com/wrapp/floatlabelededittext/Utils.java

@@ -0,0 +1,42 @@
+package com.wrapp.floatlabelededittext;
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+import android.annotation.SuppressLint;
+import android.os.Build;
+import android.view.View;
+
+public class Utils {
+	
+	private static final AtomicInteger sNextGeneratedId = new AtomicInteger(1);
+
+	/**
+	 * Generate a value suitable for use in {@link #setId(int)}.
+	 * This value will not collide with ID values generated at build time by aapt for R.id.
+	 *
+	 * @return a generated ID value
+	 */
+	private static int generateViewId() {
+	    for (;;) {
+	        final int result = sNextGeneratedId.get();
+	        // aapt-generated IDs have the high byte nonzero; clamp to the range under that.
+	        int newValue = result + 1;
+	        if (newValue > 0x00FFFFFF) newValue = 1; // Roll over to 1, not 0.
+	        if (sNextGeneratedId.compareAndSet(result, newValue)) {
+	            return result;
+	        }
+	    }
+	}
+	
+	@SuppressLint("NewApi")
+	public static int generateId() {
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
+
+	        return generateViewId();
+	    } else {
+
+	        return View.generateViewId();
+	    }
+	}
+
+}