Merge pull request #222 from TikhomirovSergey/#220-fix

Minor improvements of the method declaration

Author: Jonahss

src/main/java/io/appium/java_client/AppiumDriver.java

@@ -732,4 +732,10 @@ protected static boolean _isNotNullOrEmpty(String str) {
 	protected static boolean _isNotNullOrEmpty(Object ob) {
 		return ob != null;
 	}
+
+    @Override
+    public abstract RequiredElementType scrollTo(String text);
+
+    @Override
+    public  abstract RequiredElementType scrollToExact(String text);
 }

src/main/java/io/appium/java_client/generic/searchcontext/GenericFindsByLinkText.java

@@ -7,6 +7,6 @@
 public interface GenericFindsByLinkText<T extends WebElement> {
     T findElementByLinkText(String linkText);
     List<T> findElementsByLinkText(String linkText);
-    WebElement findElementByPartialLinkText(String partialLinkText);
+    T findElementByPartialLinkText(String partialLinkText);
     List<T> findElementsByPartialLinkText(String partialLinkText);
 }

src/main/java/io/appium/java_client/generic/searchcontext/GenericFindsByTagName.java

@@ -5,6 +5,6 @@
 import java.util.List;
 
 public interface GenericFindsByTagName<T extends WebElement> {
-    WebElement findElementByTagName(String tagName);
-    List<WebElement> findElementsByTagName(String tagName);
+    T findElementByTagName(String tagName);
+    List<T> findElementsByTagName(String tagName);
 }