private static BySelector getSelector(String strategy, String text) throws Exception {
    BySelector selector = null;
    switch (strategy) {
        case "CLASS_NAME":
            selector = By.clazz(text);
            break;
        case "NAME":
            selector = By.desc(text);
            if(selector == null || elements.getmDevice().findObject(selector) == null){
                selector = By.text(text);
            }
            break;
        case "ID":
            selector = By.res(text);
            break;
        case "TEXT_CONTAINS":
            selector = By.textContains(text);
            break;
        case "DESC_CONTAINS":
            selector = By.descContains(text);
            break;
    }
    return selector;
}
 

private static JSONArray getMultiElements(final BySelector sel) throws Exception {
    JSONArray res;
    List<Element> foundElements = new ArrayList<Element>();
    final List<Element> elementsFromSelector = getElements().getMultiElement(sel);
    foundElements.addAll(elementsFromSelector);
    res = elementsToJSONArray(foundElements);
    return res;
}
 

public Element getElement(BySelector sel) throws Exception {
	UiObject2 el = mDevice.findObject(sel);
	Element result = addElement(el);
	if (el != null) {
		return result;
	} else {
		throw new Exception("not found");
	}
}
 

public List<Element> getMultiElement(BySelector sel) throws Exception {
	List<UiObject2> el = mDevice.findObjects(sel);
	List<Element> result = addElements(el);
	if (result != null) {
		return result;
	} else {
		throw new Exception("not found");
	}
}
 

private static JSONObject getOneElement(final BySelector sel) throws Exception {
    final JSONObject res = new JSONObject();
    final Element element = getElements().getElement(sel);
    res.put("ELEMENT", element.getId());
    return res;
}
 

/**
 * @param index - The idnex of the field in the list (start at 0)
 * @param text - The text of the field to get
 */
private void testFieldWithName( int index, String text ){

    if ( text == null || text.length() <= 0 || index < 0){
        fail("Wrong test");
    }

    final String DUMMY_TEXT = "Hello world";

    try {
        // Display the dialog
        UiObject field = mDevice.findObject(
                new UiSelector()
                        .className("android.widget.TextView")
                        .packageName(PACKAGE_APP_PATH)
                        .resourceId("android:id/title")
                        .text(text)
        );
        field.click();
        // Change the value
        field = mDevice.findObject(
                new UiSelector()
                        .className("android.widget.EditText")
                        .packageName(PACKAGE_APP_PATH)
                        .resourceId("android:id/edit")
        );
        final String BACKUP_TEXT = field.getText();
        field.setText(DUMMY_TEXT);
        // Confirm
        UiObject button = mDevice.findObject(
                new UiSelector()
                        .className("android.widget.Button")
                        .packageName(PACKAGE_APP_PATH)
                        .resourceId("android:id/button1")
        );
        button.click();
        w(1000);
        // Check the summary
        BySelector checkboxSettingsSelector = By.clazz("android.widget.TextView");
        List<UiObject2> summaries = mDevice.findObjects(checkboxSettingsSelector);
        UiObject2 field2 = summaries.get( index * 4 + 2 );
        assertEquals(DUMMY_TEXT, field2.getText());
        // Reset the value
        resetFieldWithText( DUMMY_TEXT, BACKUP_TEXT );
    } catch ( UiObjectNotFoundException uonfe ){
        uonfe.printStackTrace();
        fail(uonfe.getMessage());
    }

}