change package name to uiuios

tests/src/com/android/uiuios/util/Wait.java

@@ -0,0 +1,41 @@
+package com.android.uiuios.util;
+
+import android.os.SystemClock;
+
+import org.junit.Assert;
+
+/**
+ * A utility class for waiting for a condition to be true.
+ */
+public class Wait {
+
+    private static final long DEFAULT_SLEEP_MS = 200;
+
+    public static void atMost(String message, Condition condition, long timeout) {
+        atMost(message, condition, timeout, DEFAULT_SLEEP_MS);
+    }
+
+    public static void atMost(String message, Condition condition, long timeout, long sleepMillis) {
+        long endTime = SystemClock.uptimeMillis() + timeout;
+        while (SystemClock.uptimeMillis() < endTime) {
+            try {
+                if (condition.isTrue()) {
+                    return;
+                }
+            } catch (Throwable t) {
+                throw new RuntimeException(t);
+            }
+            SystemClock.sleep(sleepMillis);
+        }
+
+        // Check once more before returning false.
+        try {
+            if (condition.isTrue()) {
+                return;
+            }
+        } catch (Throwable t) {
+            throw new RuntimeException(t);
+        }
+        Assert.fail(message);
+    }
+}