Added 'none'. We still lack of unit test.

Author: yccheok

README.md

@@ -451,7 +451,7 @@ For advanced styling please see [StepperLayout style attributes](#stepperlayout-
 
 | Attribute name                  | Format                                                              | Description |
 | --------------------------------|---------------------------------------------------------------------|-------------|
-| *ms_stepperType*                | one of `dots`, `progress_bar` or `tabs`                             | **REQUIRED:** Type of the stepper |
+| *ms_stepperType*                | one of `dots`, `progress_bar`, `tabs` or `none`                     | **REQUIRED:** Type of the stepper |
 | *ms_backButtonColor*            | color or reference                                                  | BACK button's text color           |
 | *ms_nextButtonColor*            | color or reference                                                  | NEXT button's text color            |
 | *ms_completeButtonColor*        | color or reference                                                  | COMPLETE button's text color            |

material-stepper/src/main/java/com/stepstone/stepper/internal/type/AbstractStepperType.java

@@ -48,6 +48,11 @@ public abstract class AbstractStepperType {
      */
     public static final int TABS = 0x03;
 
+    /**
+     * No indicator
+     */
+    public static final int NONE = 0x04;
+
     final StepperLayout mStepperLayout;
 
     final SparseBooleanArray mStepErrors = new SparseBooleanArray();

material-stepper/src/main/java/com/stepstone/stepper/internal/type/NoneStepperType.java

@@ -0,0 +1,17 @@
+package com.stepstone.stepper.internal.type;
+
+import com.stepstone.stepper.StepperLayout;
+
+/**
+ * Created by yccheok on 29/6/2017.
+ */
+
+public class NoneStepperType extends AbstractStepperType {
+    public NoneStepperType(StepperLayout stepperLayout) {
+        super(stepperLayout);
+    }
+
+    @Override
+    public void onStepSelected(int newStepPosition, boolean userTriggeredChange) {
+    }
+}

material-stepper/src/main/java/com/stepstone/stepper/internal/type/StepperTypeFactory.java

@@ -45,6 +45,8 @@ public static AbstractStepperType createType(int stepType, StepperLayout stepper
                 return new ProgressBarStepperType(stepperLayout);
             case AbstractStepperType.TABS:
                 return new TabsStepperType(stepperLayout);
+            case AbstractStepperType.NONE:
+                return new NoneStepperType(stepperLayout);
             default:
                 Log.e(TAG, "Unsupported type: " + stepType);
                 throw new IllegalArgumentException("Unsupported type: " + stepType);

material-stepper/src/main/res/values/attrs.xml

@@ -89,6 +89,7 @@ limitations under the License.
             <enum name="dots" value="0x01" />
             <enum name="progress_bar" value="0x02" />
             <enum name="tabs" value="0x03" />
+            <enum name="none" value="0x04" />
         </attr>
 
     </declare-styleable>