* Added an option to set hide Back/Next/Complete buttons programmatically via StepViewModel.

* Merged setNextButtonLabel(..) and setCompleteButtonLabel(..) to a single method setEndButtonLabel(..)

Author: Piotr Zawadzki

CHANGELOG.md

@@ -0,0 +1,16 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+### Added
+- `setEndButtonVisible` and `setBackButtonVisible` methods in `StepViewModel.Builder` for toggling button visibility (issue #104)
+- New stepper type `none` which shows no progress indicator for the steps (issue #154)
+
+### Changed
+- Updated Android Support Library version to `25.4.0` to support vector animations without a pre-Lollipop fallback (issue #154)
+- Changed `setNextButtonLabel` methods in `StepViewModel.Builder` to `setEndButtonLabel` so that it works for both Next and Complete buttons (issue #107)
+
+[Unreleased]: https://github.com/stepstone-tech/android-material-stepper/compare/v3.3.0...develop

README.md

@@ -31,6 +31,7 @@ Moreover, you can find there other examples, e.g. how to persist state on rotati
 - [StepperLayout attributes](#stepperlayout-attributes)
 	- [View attributes](#view-attributes)
 	- [StepperLayout style attributes](#stepperlayout-style-attributes)
+- [Changelog](#changelog)
 - [License](#license)
 
 ## Supported steppers
@@ -272,21 +273,21 @@ In such case you need to override the `getViewModel(int)` method from the `StepA
         switch (position) {
             case 0:
                 builder
-                    .setNextButtonLabel("This way")
+                    .setEndButtonLabel("This way")
                     .setBackButtonLabel("Cancel")
                     .setNextButtonEndDrawableResId(R.drawable.ms_forward_arrow)
                     .setBackButtonStartDrawableResId(StepViewModel.NULL_DRAWABLE);
                 break;
             case 1:
                 builder
-                    .setNextButtonLabel(R.string.go_to_summary)
+                    .setEndButtonLabel(R.string.go_to_summary)
                     .setBackButtonLabel("Go to first")
                     .setBackButtonStartDrawableResId(R.drawable.ms_back_arrow);
                 break;
             case 2:
                 builder
                     .setBackButtonLabel("Go back")
-                    .setCompleteButtonLabel("I'm done!");
+                    .setEndButtonLabel("I'm done!");
                 break;
             default:
                 throw new IllegalArgumentException("Unsupported position: " + position);
@@ -295,6 +296,10 @@ In such case you need to override the `getViewModel(int)` method from the `StepA
     }
 ```
 
+It is also possible to hide Back/Next/Complete buttons on each step if needed.
+To do so you need to call `setBackButtonVisible(false)` and/or `setEndButtonVisible(false)` on
+`StepViewModel.Builder` in your adapter.
+
 ### Custom styling
 Basic styling can be done by choosing the active and inactive step colors. 
 There are some additional properties which can be changed directly from StepperLayout's attributes e.g. the background of bottom navigation buttons (see [StepperLayout attributes](#stepperlayout-attributes))
@@ -500,7 +505,10 @@ A list of `ms_stepperLayoutTheme` attributes responsible for styling of StepperL
 | *ms_stepTabIconBackgroundStyle*   | Used by ms_stepIconBackground in layout/ms_step_tab           |
 | *ms_stepTabTitleStyle*            | Used by ms_stepTitle in layout/ms_step_tab                    |
 | *ms_stepTabDividerStyle*          | Used by ms_stepDivider in layout/ms_step_tab                  |
-  
+
+## Changelog
+See [changelog](CHANGELOG.md)
+
 ## License
 Copyright 2016 StepStone Services
 

material-stepper/src/main/java/com/stepstone/stepper/StepperLayout.java

@@ -43,6 +43,7 @@
 import android.view.ViewTreeObserver;
 import android.widget.Button;
 import android.widget.LinearLayout;
+import android.widget.TextView;
 
 import com.stepstone.stepper.adapter.StepAdapter;
 import com.stepstone.stepper.internal.feedback.StepperFeedbackType;
@@ -885,20 +886,21 @@ private void onUpdate(int newStepPosition, boolean userTriggeredChange) {
         mPager.setCurrentItem(newStepPosition);
         final boolean isLast = isLastPosition(newStepPosition);
         final boolean isFirst = newStepPosition == 0;
-        AnimationUtil.fadeViewVisibility(mNextNavigationButton, isLast ? View.GONE : View.VISIBLE, userTriggeredChange);
-        AnimationUtil.fadeViewVisibility(mCompleteNavigationButton, !isLast ? View.GONE : View.VISIBLE, userTriggeredChange);
-        int backButtonTargetVisibility = isFirst && !mShowBackButtonOnFirstStep ? View.GONE : View.VISIBLE;
-        AnimationUtil.fadeViewVisibility(mBackNavigationButton, backButtonTargetVisibility, userTriggeredChange);
-
         final StepViewModel viewModel = mStepAdapter.getViewModel(newStepPosition);
 
+        int backButtonTargetVisibility = (isFirst && !mShowBackButtonOnFirstStep) || !viewModel.isBackButtonVisible() ? View.GONE : View.VISIBLE;
+        int nextButtonVisibility = isLast || !viewModel.isEndButtonVisible() ? View.GONE : View.VISIBLE;
+        int completeButtonVisibility = !isLast || !viewModel.isEndButtonVisible() ? View.GONE : View.VISIBLE;
+
+        AnimationUtil.fadeViewVisibility(mNextNavigationButton, nextButtonVisibility, userTriggeredChange);
+        AnimationUtil.fadeViewVisibility(mCompleteNavigationButton, completeButtonVisibility, userTriggeredChange);
+        AnimationUtil.fadeViewVisibility(mBackNavigationButton, backButtonTargetVisibility, userTriggeredChange);
+
         updateBackButton(viewModel);
 
-        if (!isLast) {
-            updateNextButton(viewModel);
-        } else {
-            updateCompleteButton(viewModel);
-        }
+        updateEndButton(viewModel.getEndButtonLabel(),
+                isLast ? mCompleteButtonText : mNextButtonText,
+                isLast ? mCompleteNavigationButton : mNextNavigationButton);
 
         setCompoundDrawablesForNavigationButtons(viewModel.getBackButtonStartDrawableResId(), viewModel.getNextButtonEndDrawableResId());
 
@@ -910,21 +912,13 @@ private void onUpdate(int newStepPosition, boolean userTriggeredChange) {
         }
     }
 
-    private void updateCompleteButton(@NonNull StepViewModel viewModel) {
-        CharSequence completeButtonTextForStep = viewModel.getCompleteButtonLabel();
-        if (completeButtonTextForStep == null) {
-            mCompleteNavigationButton.setText(mCompleteButtonText);
-        } else {
-            mCompleteNavigationButton.setText(completeButtonTextForStep);
-        }
-    }
-
-    private void updateNextButton(@NonNull StepViewModel viewModel) {
-        CharSequence nextButtonTextForStep = viewModel.getNextButtonLabel();
-        if (nextButtonTextForStep == null) {
-            mNextNavigationButton.setText(mNextButtonText);
+    private void updateEndButton(@Nullable CharSequence endButtonTextForStep,
+                                 @Nullable CharSequence defaultEndButtonText,
+                                 @NonNull TextView endButton) {
+        if (endButtonTextForStep == null) {
+            endButton.setText(defaultEndButtonText);
         } else {
-            mNextNavigationButton.setText(nextButtonTextForStep);
+            endButton.setText(endButtonTextForStep);
         }
     }