E-Paper Driver HAT: Added sample project

sample-epaperdriverhat/.gitignore

@@ -0,0 +1 @@
+/build

sample-epaperdriverhat/README.md

@@ -1,15 +1,13 @@
-## OLED Screen sample for Android Things
+## E-Paper Driver HAT sample for Android Things
 
-This sample demonstrates how to control the EPAPERDRIVERHAT OLED display using I2C with
+This sample demonstrates how to control the GDEW075T8 E-Paper display using E-Paper Driver HAT with
 Android Things.
 
 ## Pre-requisites
 
 - Android Things compatible board
 - Android Studio 2.2+
-- 1 [EPAPERDRIVERHAT OLED screen](https://www.elecrow.com/download/EPAPERDRIVERHAT%20datasheet.pdf)
-- jumper wires
-- 1 breadboard
+- 1 [GDEW075T8 + E-Paper Driver HAT](https://www.waveshare.com/wiki/7.5inch_e-Paper_HAT)
 
 
 # Build and install
@@ -19,14 +17,11 @@ On Android Studio, click on the "Run" button.
 If you prefer to run on the command line, from this repository's root directory, type
 
 ```bash
-./gradlew sample-epd:installDebug
-adb shell am start com.leinardi.android.things.sample.epd/.OledScreenActivity
+./gradlew sample-epaperdriverhat:installDebug
+adb shell am start com.leinardi.android.things.sample.epaperdriverhat/.EpdScreenActivity
 ```
 
-If you have everything set up correctly, you will see a small bitmap slowly
-moving in the screen. If you want to change the pattern displayed, change the
-variable mMode in OledScreenActivity and deploy again. The sample has three
-modes: DOTS, BITMAP (default) and CROSSHAIRS.
+If you have everything set up correctly, you will see an image on the screen.
 
 
 ## License

sample-epaperdriverhat/build.gradle

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2018 Roberto Leinardi.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+apply plugin: 'com.android.application'
+apply from: rootProject.file('checkstyle.gradle')
+
+android {
+    compileSdkVersion build_versions.target_sdk
+    buildToolsVersion build_versions.build_tools
+
+    defaultConfig {
+        applicationId "com.leinardi.android.things.sample.epaperdriverhat"
+        minSdkVersion build_versions.min_sdk
+        targetSdkVersion build_versions.target_sdk
+        versionCode build_versions.version_code
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+    }
+
+    compileOptions {
+        sourceCompatibility build_versions.java_version
+        targetCompatibility build_versions.java_version
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    compileOnly deps.androidthings
+    implementation deps.support.annotations
+    implementation project(':driver-epaperdriverhat')
+
+}

sample-epaperdriverhat/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

sample-epaperdriverhat/src/main/AndroidManifest.xml

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2018 Roberto Leinardi.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<manifest package="com.leinardi.android.things.sample.epd"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@android:drawable/sym_def_app_icon"
+        android:label="@string/app_name"
+        android:theme="@style/AppTheme"
+        tools:ignore="AllowBackup,GoogleAppIndexingWarning">
+
+        <uses-library android:name="com.google.android.things" />
+
+        <activity android:name="com.leinardi.android.things.sample.epaperdriverhat.EpdScreenActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+
+            <!-- Launch activity automatically on boot -->
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.IOT_LAUNCHER" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

sample-epaperdriverhat/src/main/java/com/leinardi/android/things/sample/epaperdriverhat/EpdScreenActivity.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2018 Roberto Leinardi.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.leinardi.android.things.sample.epaperdriverhat;
+
+import android.app.Activity;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.os.Bundle;
+import android.util.Log;
+
+import com.leinardi.android.things.driver.epaperdriverhat.BitmapHelper;
+import com.leinardi.android.things.driver.epaperdriverhat.Gdew075t8Epd;
+import com.leinardi.android.things.sample.epd.R;
+
+import java.io.IOException;
+
+/**
+ * Activity that tests the EPD.
+ */
+public class EpdScreenActivity extends Activity {
+    private static final String TAG = EpdScreenActivity.class.getSimpleName();
+    Gdew075t8Epd mEpd;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        Log.d(TAG, "EPD screen activity created");
+        try {
+            mEpd = new Gdew075t8Epd();
+            Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.monocolor_640x384);
+            BitmapHelper.setBmpData(mEpd, 0, 0, bitmap, false);
+            mEpd.show(); // render the pixel data
+        } catch (IOException e) {
+            Log.e(TAG, "Error initializing EPD", e);
+        }
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        Log.d(TAG, "Closing EPD");
+        try {
+            mEpd.close();
+        } catch (IOException e) {
+            Log.e(TAG, "Exception closing EPD", e);
+        } finally {
+            mEpd = null;
+        }
+    }
+}

sample-epaperdriverhat/src/main/res/values/strings.xml

@@ -0,0 +1,19 @@
+<!--
+  ~ Copyright 2018 Roberto Leinardi.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<resources>
+    <string name="app_name">Sample E-Paper Driver HAT</string>
+</resources>

sample-epaperdriverhat/src/main/res/values/styles.xml

@@ -0,0 +1,22 @@
+<!--
+  ~ Copyright 2018 Roberto Leinardi.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="android:Theme.Material.Light.DarkActionBar" />
+
+</resources>