Add fade and rotate samples

vangogh-sample/build.gradle

@@ -4,10 +4,9 @@ android {
     compileSdkVersion 27
     buildToolsVersion "27.0.3"
 
-
     defaultConfig {
         applicationId "com.example.vangogh"
-        minSdkVersion 15
+        minSdkVersion 16
         targetSdkVersion 27
         versionCode 1
         versionName "1.0"
@@ -16,6 +15,11 @@ android {
 
     }
 
+    lintOptions {
+        abortOnError false
+    }
+
+
     buildTypes {
         release {
             minifyEnabled false
@@ -28,7 +32,8 @@ android {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     compile 'com.android.support:appcompat-v7:27.0.2'
-    compile 'com.android.support.constraint:constraint-layout:1.0.2'
+    compile 'com.android.support:design:27.0.2'
+    compile 'com.pspdfkit-labs:vangogh:0.2.0'
     testCompile 'junit:junit:4.12'
     androidTestCompile('com.android.support.test.espresso:espresso-core:3.0.1', {
         exclude group: 'com.android.support', module: 'support-annotations'

vangogh-sample/src/main/AndroidManifest.xml

@@ -17,7 +17,8 @@
             </intent-filter>
         </activity>
 
-        <activity android:name=".samples.SingleAnimation"/>
+        <activity android:name=".samples.SingleRotateAnimationActivity"/>
+        <activity android:name=".samples.SingleFadeAnimationActivity"/>
     </application>
 
 </manifest>

vangogh-sample/src/main/java/com/example/vangogh/MainActivity.java

@@ -8,7 +8,9 @@
 
 import com.example.vangogh.menu.MainMenuAdapter;
 import com.example.vangogh.menu.MainMenuItem;
-import com.example.vangogh.samples.SingleAnimation;
+import com.example.vangogh.samples.SingleAnimationActivity;
+import com.example.vangogh.samples.SingleFadeAnimationActivity;
+import com.example.vangogh.samples.SingleRotateAnimationActivity;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -37,7 +39,8 @@ public void onMainMenuItemClicked(@NonNull MainMenuItem item) {
     @NonNull
     public List<MainMenuItem> getMainMenuItems() {
         List<MainMenuItem> items = new ArrayList<>();
-        items.add(new MainMenuItem("Single animation", "Showcases how single animations are executed", new SingleAnimation()));
+        items.add(new MainMenuItem("Fade animation", "Showcases the fade in/out animation", new SingleFadeAnimationActivity()));
+        items.add(new MainMenuItem("Rotate animation", "Showcases the rotation animation", new SingleRotateAnimationActivity()));
         return items;
     }
 

vangogh-sample/src/main/java/com/example/vangogh/samples/SingleAnimationActivity.java

@@ -0,0 +1,30 @@
+package com.example.vangogh.samples;
+
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.design.widget.FloatingActionButton;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+
+import com.example.vangogh.R;
+
+public abstract class SingleAnimationActivity extends AppCompatActivity {
+
+    private FloatingActionButton fab;
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_single_animation);
+        fab = findViewById(R.id.fab);
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                onFabClicked(fab);
+            }
+        });
+    }
+
+    protected abstract void onFabClicked(FloatingActionButton fab);
+
+}

vangogh-sample/src/main/java/com/example/vangogh/samples/SingleFadeAnimationActivity.java

@@ -0,0 +1,32 @@
+package com.example.vangogh.samples;
+
+import android.support.design.widget.FloatingActionButton;
+import android.view.View;
+
+import io.reactivex.functions.Consumer;
+
+import static com.pspdfkit.labs.vangogh.api.FadeAnimations.fadeIn;
+import static com.pspdfkit.labs.vangogh.api.FadeAnimations.fadeOut;
+
+public class SingleFadeAnimationActivity extends SingleAnimationActivity {
+
+    @Override
+    protected void onFabClicked(final FloatingActionButton fab) {
+        fadeOut(fab)
+                .doOnAnimationStart(new Consumer<View>() {
+                    @Override
+                    public void accept(View view) throws Exception {
+                        fab.setEnabled(false);
+                    }
+                })
+                .doOnAnimationEnd(new Consumer<View>() {
+                    @Override
+                    public void accept(View view) throws Exception {
+                        fab.setEnabled(true);
+                    }
+                })
+                .andThen(fadeIn(fab))
+                .subscribe();
+    }
+
+}

vangogh-sample/src/main/java/com/example/vangogh/samples/SingleRotateAnimationActivity.java

@@ -0,0 +1,30 @@
+package com.example.vangogh.samples;
+
+import android.support.design.widget.FloatingActionButton;
+import android.view.View;
+
+import io.reactivex.functions.Consumer;
+
+import static com.pspdfkit.labs.vangogh.api.RotateAnimations.rotateBy;
+
+public class SingleRotateAnimationActivity extends SingleAnimationActivity {
+
+    @Override
+    protected void onFabClicked(final FloatingActionButton fab) {
+        rotateBy(fab, 360)
+                .doOnAnimationStart(new Consumer<View>() {
+                    @Override
+                    public void accept(View view) throws Exception {
+                        fab.setEnabled(false);
+                    }
+                })
+                .doOnAnimationEnd(new Consumer<View>() {
+                    @Override
+                    public void accept(View view) throws Exception {
+                        fab.setEnabled(true);
+                    }
+                })
+                .andThen(rotateBy(fab, -360))
+                .subscribe();
+    }
+}

vangogh-sample/src/main/res/drawable/ic_flash_on_white_24px.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M7,2v11h3v9l7,-12h-4l4,-8z"
+      android:fillColor="#FFFFFF"/>
+</vector>

vangogh-sample/src/main/res/layout/activity_main.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -11,4 +10,4 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"/>
 
-</android.support.constraint.ConstraintLayout>
+</FrameLayout>

vangogh-sample/src/main/res/layout/activity_single_animation.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <android.support.design.widget.FloatingActionButton
+        android:id="@+id/fab"
+        android:layout_width="96dp"
+        android:layout_height="96dp"
+        android:layout_centerInParent="true"
+        android:src="@drawable/ic_flash_on_white_24px"
+        app:elevation="4dp"/>
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:layout_centerHorizontal="true"
+        android:padding="12dp"
+        android:text="Click on the button to start the animation."/>
+
+</RelativeLayout>