Added NotesSample application

.kokoro/kokoro_build.sh

@@ -16,3 +16,5 @@ cd ${KOKORO_ARTIFACTS_DIR}/github/glass-enterprise-samples
 ( cd QRCodeScannerSample    && ./gradlew build )
 ( cd VoiceRecognitionSample && ./gradlew build )
 ( cd WebRTCSample           && ./gradlew build )
+( cd NotesSample           && ./gradlew build )
+

NotesSample/.gitignore

@@ -0,0 +1,13 @@
+*.iml
+.gradle
+/local.properties
+.idea
+.project
+.settings
+.DS_Store
+/bin
+/build
+/captures
+/out
+.externalNativeBuild
+.cxx

NotesSample/app/.gitignore

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

NotesSample/app/build.gradle

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * 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 plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+apply plugin: 'kotlin-kapt'
+
+android {
+    compileSdkVersion 29
+    buildToolsVersion "29.0.2"
+    defaultConfig {
+        applicationId "com.example.glass.notessample"
+        minSdkVersion 27
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+    dataBinding {
+        enabled = true
+    }
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_1_8.toString()
+    }
+}
+
+dependencies {
+    implementation 'com.example.glass.ui:gesture-lib-sample:0.1.0-SNAPSHOT'
+
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.core:core-ktx:1.2.0'
+    implementation "androidx.fragment:fragment-ktx:1.2.4"
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
+    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.3.0-alpha03'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
+    implementation 'com.google.android.material:material:1.1.0'
+
+    // Room persistence library imports
+    implementation "androidx.room:room-runtime:$room_version"
+    implementation "androidx.room:room-ktx:$room_version"
+    implementation "androidx.room:room-rxjava2:$room_version"
+    kapt "androidx.room:room-compiler:$room_version"
+}

NotesSample/app/src/main/AndroidManifest.xml

@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright 2020 Google LLC
+
+ 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 xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.example.glass.notessample">
+
+    <!-- Permission necessary to enable voice commands menu -->
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+
+    <application
+        android:allowBackup="true"
+        android:fullBackupContent="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme"
+        tools:ignore="GoogleAppIndexingWarning">
+
+        <!--
+          Changes Glass touchpad response from the following key strokes:
+            - Enter
+            - Tab
+            - Shift + Tab
+            - Back button
+            - Home button
+            - Arrows
+          to the motion events, enabling this app to use the touch gestures.
+        -->
+        <meta-data
+            android:name="com.google.android.glass.TouchEnabledApplication"
+            android:value="true" />
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+                <!--
+                  Makes this app visible on the application list in the Glass Launcher.
+                -->
+                <category android:name="com.google.android.glass.category.DIRECTORY" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

NotesSample/app/src/main/java/com/example/glass/notessample/BaseActivity.kt

@@ -0,0 +1,91 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * 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.example.glass.notessample
+
+import android.os.Bundle
+import android.view.*
+import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.commit
+import com.example.glass.notessample.voicecommand.OnVoiceCommandListener
+import com.example.glass.ui.GlassGestureDetector
+import com.example.glass.ui.GlassGestureDetector.OnGestureListener
+
+abstract class BaseActivity : AppCompatActivity(), OnGestureListener {
+
+    var onGestureListener: OnGestureListener? = null
+        set(value) {
+            glassGestureDetector = GlassGestureDetector(this, value)
+        }
+    var onVoiceCommandListener: OnVoiceCommandListener? = null
+    private lateinit var glassGestureDetector: GlassGestureDetector
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        glassGestureDetector = GlassGestureDetector(this, this)
+    }
+
+    override fun onResume() {
+        super.onResume()
+        window.hideSystemUI()
+    }
+
+    override fun onCreatePanelMenu(featureId: Int, menu: Menu): Boolean {
+        menuInflater.inflate(R.menu.notes_menu, menu)
+        return true
+    }
+
+    override fun onContextItemSelected(item: MenuItem): Boolean {
+        onVoiceCommandListener?.onVoiceCommandDetected(item)
+        return super.onContextItemSelected(item)
+    }
+
+    override fun dispatchTouchEvent(ev: MotionEvent): Boolean {
+        return glassGestureDetector.onTouchEvent(ev) || super.dispatchTouchEvent(ev)
+    }
+
+    override fun onGesture(gesture: GlassGestureDetector.Gesture): Boolean = false
+
+    /**
+     * Helper method for the [Fragment] replacement in the container. Depends on the given flag,
+     * fragment can be added to the back stack.
+     */
+    fun replaceFragment(fragment: Fragment, addToBackStack: Boolean) {
+        supportFragmentManager.commit {
+            replace(R.id.container, fragment)
+            if (addToBackStack) {
+                addToBackStack(fragment.toString())
+            }
+        }
+    }
+
+    /**
+     * Pops the back stack on the fragment manager.
+     */
+    fun popBackStack() {
+        supportFragmentManager.popBackStack()
+    }
+
+    private fun Window.hideSystemUI() {
+        decorView.systemUiVisibility = (View.SYSTEM_UI_FLAG_IMMERSIVE
+                or View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+                or View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
+                or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                or View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
+                or View.SYSTEM_UI_FLAG_FULLSCREEN)
+    }
+}

NotesSample/app/src/main/java/com/example/glass/notessample/MainActivity.kt

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * 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.example.glass.notessample
+
+import android.Manifest
+import android.content.pm.PackageManager
+import android.os.Bundle
+import android.util.Log
+import androidx.core.app.ActivityCompat
+
+class MainActivity : BaseActivity() {
+
+    companion object {
+        const val FEATURE_VOICE_COMMANDS = 14
+        const val REQUEST_PERMISSION_CODE = 200
+        val PERMISSIONS = arrayOf(Manifest.permission.RECORD_AUDIO)
+        val TAG = MainActivity::class.java.simpleName
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        window.requestFeature(FEATURE_VOICE_COMMANDS)
+        setContentView(R.layout.activity_main)
+
+        // Requesting permissions to enable voice commands menu
+        ActivityCompat.requestPermissions(
+            this,
+            PERMISSIONS,
+            REQUEST_PERMISSION_CODE
+        )
+
+        replaceFragment(NotesFragment(), false)
+    }
+
+    override fun onRequestPermissionsResult(
+        requestCode: Int,
+        permissions: Array<out String>,
+        grantResults: IntArray
+    ) {
+        if (requestCode == REQUEST_PERMISSION_CODE) {
+            for (result in grantResults) {
+                if (result != PackageManager.PERMISSION_GRANTED) {
+                    Log.d(TAG, "Permission denied. Voice commands menu is disabled.")
+                }
+            }
+        } else {
+            super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+        }
+    }
+}