added watchface sample

Author: codeanticode

studio/apps/watchface/build.gradle

@@ -0,0 +1,38 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 27
+    defaultConfig {
+        applicationId "processing.tests.watchface"
+        minSdkVersion 25
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+        multiDexEnabled true
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    productFlavors {
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_7
+        targetCompatibility JavaVersion.VERSION_1_7
+    }
+}
+
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    testImplementation 'junit:junit:4.12'
+    implementation project(':libs:processing-core')
+    implementation 'com.android.support:palette-v7:26.0.2'
+    implementation 'com.android.support:support-v4:26.0.2'
+    implementation 'com.google.android.gms:play-services-wearable:11.0.4'
+    implementation 'com.android.support:percent:26.0.2'
+    implementation 'com.android.support:recyclerview-v7:26.0.2'
+    implementation 'com.google.android.support:wearable:2.1.0'
+    compileOnly 'com.google.android.wearable:wearable:2.1.0'  
+}

studio/apps/watchface/src/main/AndroidManifest.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package="watchface">
+    <uses-sdk android:minSdkVersion="25" android:targetSdkVersion="26"/>
+    <uses-feature android:name="android.hardware.type.watch"/>
+    <uses-permission android:name="android.permission.WAKE_LOCK"/>
+    <application android:icon="@mipmap/ic_launcher" android:label="watchface" android:supportsRtl="true" android:theme="@android:style/Theme.DeviceDefault">
+        <uses-library android:name="com.google.android.wearable" android:required="false"/>
+        <meta-data android:name="com.google.android.wearable.standalone" android:value="true"/>
+        <service android:label="watchface" android:name=".MainService" android:permission="android.permission.BIND_WALLPAPER">
+            <meta-data android:name="android.service.wallpaper" android:resource="@xml/watch_face"/>
+            <meta-data android:name="com.google.android.wearable.watchface.preview" android:resource="@drawable/preview_analog"/>
+            <meta-data android:name="com.google.android.wearable.watchface.preview_circular" android:resource="@drawable/preview_analog"/>
+            <meta-data android:name="com.google.android.wearable.watchface.companionConfigurationAction" android:value="com.catinean.simpleandroidwatchface.CONFIG_DIGITAL"/>
+            <intent-filter>
+                <action android:name="android.service.wallpaper.WallpaperService"/>
+                <category android:name="com.google.android.wearable.watchface.category.WATCH_FACE"/>
+            </intent-filter>
+        </service>
+        <activity android:name="processing.android.PermissionRequestor"/>
+    </application>
+</manifest>

studio/apps/watchface/src/main/java/watchface/MainService.java

@@ -0,0 +1,15 @@
+package watchface;
+        
+import processing.android.PWatchFaceCanvas;
+//import processing.android.PWatchFaceGLES;
+import processing.core.PApplet;
+
+// The service needs to extend PWatchFaceCanvas if the renderer in the sketch is P2D or P3D.
+//public class MainService extends PWatchFaceGLES {
+public class MainService extends PWatchFaceCanvas {
+  @Override
+  public PApplet createSketch() {
+    PApplet sketch = new Sketch();    
+    return sketch;
+  }
+}

studio/apps/watchface/src/main/java/watchface/Sketch.java

@@ -0,0 +1,25 @@
+package watchface;
+
+import processing.core.PApplet; 
+
+
+public class Sketch extends PApplet {
+  public void settings() {  
+    fullScreen();
+  }
+
+  public void setup() {  
+    frameRate(1);
+    textFont(createFont("Serif-Bold", 48 * displayDensity));
+    textAlign(CENTER, CENTER);
+    fill(255);  
+  }
+
+  public void draw() {
+    background(0);
+    if (wearInteractive()) {
+      String str = hour() + ":" + nfs(minute(), 2) + ":" + nfs(second(), 2);
+      text(str, width/2, height/2);     
+    }  
+  }
+}

studio/apps/watchface/src/main/res/drawable-nodpi/bg.png

@@ -0,0 +1,7 @@
+<fragment xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/fragment"
+    android:name=".test_watchface"
+    tools:layout="@layout/fragment_main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent" />