Fix for Android Studio 2.3.x freeze when in Layout Preview.

CHANGELOG.md

@@ -4,6 +4,11 @@ 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).
 
+
+## [4.3.1]
+### Fixed
+- Android Studio 2.3.x freeze introduced with version 4.1.0 of the library when using tabs
+
 ## [4.3.0]
 ### Added
 - A way to set bottom navigation button colors programmatically via:
@@ -40,6 +45,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - **Breaking change:** Changed `setNextButtonLabel` methods in `StepViewModel.Builder` to `setEndButtonLabel` so that it works for both Next and Complete buttons (issue #107)
 - **Breaking change:** Split `content` stepper feedback type into `content_progress` and `content_fade`.
 
+[4.3.1]: https://github.com/stepstone-tech/android-material-stepper/compare/v4.3.0...v4.3.1
 [4.3.0]: https://github.com/stepstone-tech/android-material-stepper/compare/v4.2.0...v4.3.0
 [4.2.0]: https://github.com/stepstone-tech/android-material-stepper/compare/v4.1.0...v4.2.0
 [4.1.0]: https://github.com/stepstone-tech/android-material-stepper/compare/v4.0.0...v4.1.0

README.md

@@ -66,7 +66,7 @@ Moreover, you can find there other examples, e.g. how to persist state on rotati
 
 ### Download (from JCenter)
 ```groovy
-compile 'com.stepstone.stepper:material-stepper:4.3.0'
+compile 'com.stepstone.stepper:material-stepper:4.3.1'
 ```
 
 *Note:* This library adds a transitive dependency to AppCompat `25.4.0`

build.gradle

@@ -1,6 +1,6 @@
 buildscript {
-    ext.gradleAndroidVersion        = '3.0.0-beta6'
-    ext.kotlinVersion               = '1.1.3-2'
+    ext.gradleAndroidVersion        = '3.0.0-beta7'
+    ext.kotlinVersion               = '1.1.4-3'
     ext.bintrayVersion              = '1.7.3'
     ext.mavenGradlePluginVersion    = '2.0'
 
@@ -30,7 +30,7 @@ configure(allprojects) {
         androidMinSdkVersion 		        = 14
         androidTargetSdkVersion             = 25
         androidCompileSdkVersion            = 25
-        androidBuildToolsVersion            = '25.0.2'
+        androidBuildToolsVersion            = '26.0.2'
         androidSupportLibraryVersion        = '25.4.0'
 
         junitVersion                        = '4.12'

circle.yml

@@ -9,14 +9,14 @@ machine:
 dependencies:
   pre:
     - wget "https://services.gradle.org/distributions/gradle-4.1-bin.zip"; unzip gradle-4.1-bin.zip
-    - if [ ! -e /usr/local/android-sdk-linux/build-tools/25.0.2 ]; then echo y | android update sdk --all --no-ui --filter "build-tools-25.0.2"; fi;
+    - if [ ! -e /usr/local/android-sdk-linux/build-tools/26.0.2 ]; then echo y | android update sdk --all --no-ui --filter "build-tools-26.0.2"; fi;
     - if [ ! -e /usr/local/android-sdk-linux/platforms/android-25 ]; then echo y | android update sdk --all --no-ui --filter "android-25"; fi;
     - if ! $(grep -q "Revision=47.0.0" /usr/local/android-sdk-linux/extras/android/m2repository/source.properties); then echo y | android update sdk --all --no-ui --filter "extra-android-m2repository"; fi;
     - echo y | android update sdk --no-ui --all --filter tool,extra-google-google_play_services
     - printf 'bintray.user=dummy_user\nbintray.apikey=dummy_api_key\nsdk.dir=/usr/local/android-sdk-linux' > local.properties
 
   cache_directories:
-    - /usr/local/android-sdk-linux/build-tools/25.0.2
+    - /usr/local/android-sdk-linux/build-tools/26.0.2
     - /usr/local/android-sdk-linux/platforms/android-25
     - /usr/local/android-sdk-linux/extras/android/m2repository
 

gradle.properties

@@ -20,7 +20,7 @@
 POM_GROUP_ID=com.stepstone.stepper
 POM_ARTIFACT_ID=material-stepper
 POM_TEST_ARTIFACT_ID=espresso-material-stepper
-POM_VERSION=4.3.0
+POM_VERSION=4.3.1
 
 #Needed so that Robolectric is working: https://github.com/robolectric/robolectric/issues/3169
 android.enableAapt2=false

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

@@ -16,7 +16,6 @@
 
 package com.stepstone.stepper.internal.type;
 
-import android.content.Context;
 import android.support.annotation.NonNull;
 import android.support.annotation.RestrictTo;
 import android.util.SparseArray;
@@ -53,10 +52,10 @@ public TabsStepperType(StepperLayout stepperLayout) {
         mTabsContainer.setListener(stepperLayout);
 
         if (stepperLayout.isInEditMode()) {
-            Context context = stepperLayout.getContext();
+            //noinspection ConstantConditions
             mTabsContainer.setSteps(Arrays.asList(
-                    new StepViewModel.Builder(context).setTitle("Step 1").create(),
-                    new StepViewModel.Builder(context).setTitle("Step 2").setSubtitle("Optional").create())
+                    new StepViewModel.Builder(null).setTitle("Step 1").create(),
+                    new StepViewModel.Builder(null).setTitle("Step 2").setSubtitle("Optional").create())
             );
             mTabsContainer.updateSteps(0, new SparseArray<VerificationError>(), false);
             mTabsContainer.setVisibility(View.VISIBLE);

material-stepper/src/main/res/layout/ms_step_tab.xml

@@ -4,7 +4,7 @@
     android:orientation="vertical"
     tools:layout_height="wrap_content"
     tools:layout_width="wrap_content"
-    tools:parentTag="com.stepstone.stepper.internal.widget.StepTab"
+    tools:parentTag="android.widget.RelativeLayout"
     tools:theme="@style/MSDefaultStepperLayoutTheme">
 
     <FrameLayout

sample/src/main/res/layout/activity_combination.xml

@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:ms_stepperType="dots" />
+    app:ms_stepperType="dots"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_custom_navigation_buttons.xml

@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     app:ms_showBackButtonOnFirstStep="true"
-    app:ms_stepperType="dots"/>
+    app:ms_stepperType="dots"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_custom_stepper_layout_theme.xml

@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
-    android:layout_height="match_parent" />
+    android:layout_height="match_parent"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_default_dots.xml

@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:ms_stepperType="dots"/>
+    app:ms_stepperType="dots"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_default_none.xml

@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:ms_stepperType="none"/>
+    app:ms_stepperType="none"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_default_progress_bar.xml

@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:ms_stepperType="progress_bar" />
+    app:ms_stepperType="progress_bar"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_default_tabs.xml

@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:ms_stepperType="tabs" />
+    app:ms_stepperType="tabs"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_delayed_transition.xml

@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     app:ms_stepperType="tabs"
-    app:ms_showErrorState="true" />
+    app:ms_showErrorState="true"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_disabled_tab_navigation.xml

@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     app:ms_stepperType="tabs"
-    app:ms_tabNavigationEnabled="false" />
+    app:ms_tabNavigationEnabled="false"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_error_custom_color_tabs.xml

@@ -1,9 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     app:ms_stepperType="tabs"
     app:ms_showErrorStateEnabled="true"
-    app:ms_errorColor="@color/colorButton"/>
+    app:ms_errorColor="@color/colorButton"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_error_tabs.xml

@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     app:ms_stepperType="tabs"
-    app:ms_showErrorStateEnabled="true" />
+    app:ms_showErrorStateEnabled="true"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_error_with_message_tabs.xml

@@ -1,9 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     app:ms_stepperType="tabs"
     app:ms_showErrorStateEnabled="true"
-    app:ms_showErrorMessageEnabled="true"/>
+    app:ms_showErrorMessageEnabled="true"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_hidden_bottom_navigation.xml

@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     app:ms_showBottomNavigation="false"
-    app:ms_stepperType="tabs" />
+    app:ms_stepperType="tabs"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_no_frag.xml

@@ -1,9 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     app:ms_stepperType="tabs"
     app:ms_showErrorState="true"
-    app:ms_showErrorStateOnBack="true"/>
+    app:ms_showErrorStateOnBack="true"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_pass_data_between_steps.xml

@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     app:ms_stepperType="dots"
-    app:ms_showErrorState="true" />
+    app:ms_showErrorState="true"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_return_button.xml

@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     app:ms_showBackButtonOnFirstStep="true"
-    app:ms_stepperType="dots"/>
+    app:ms_stepperType="dots"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_stepper_feedback.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -12,4 +13,5 @@
     app:ms_stepperFeedbackType="tabs|content_progress|content_fade|disabled_bottom_navigation|disabled_content_interaction"
     app:ms_stepperFeedback_contentFadeAlpha="0.3"
     app:ms_stepperFeedback_contentOverlayBackground="@color/custom_overlay_background"
-    app:ms_stepperType="tabs" />
+    app:ms_stepperType="tabs"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_styled_dots.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -10,4 +11,5 @@
     app:ms_backButtonColor="@color/ms_custom_button_text_color"
     app:ms_nextButtonColor="@color/ms_custom_button_text_color"
     app:ms_completeButtonColor="@color/ms_custom_button_text_color"
-    app:ms_bottomNavigationBackground="?attr/colorAccent" />
+    app:ms_bottomNavigationBackground="?attr/colorAccent"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_styled_progress_bar.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -15,4 +16,5 @@
     app:ms_nextButtonText="GO"
     app:ms_completeButtonText="FINISH"
     app:ms_completeButtonBackground="@drawable/ms_button_background"
-    app:ms_stepperLayoutTheme="@style/StepperLayoutThemeWithCenteredCompleteButton"/>
+    app:ms_stepperLayoutTheme="@style/StepperLayoutThemeWithCenteredCompleteButton"
+    tools:theme="@style/AppTheme" />

sample/src/main/res/layout/activity_themed_dots.xml

@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.stepstone.stepper.StepperLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/stepperLayout"
     android:layout_width="match_parent"
-    android:layout_height="match_parent" />
+    android:layout_height="match_parent"
+    tools:theme="@style/AppTheme" />