├── .gitignore ├── .travis.yml ├── BLE SIM icon.png ├── Battery Service.png ├── Health Thermometer Service.png ├── Heart Rate Service.png ├── LICENSE ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── io │ │ └── github │ │ └── webbluetoothcg │ │ └── bletestperipheral │ │ └── ApplicationTest.java │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── io │ │ └── github │ │ └── webbluetoothcg │ │ └── bletestperipheral │ │ ├── BatteryServiceFragment.java │ │ ├── HealthThermometerServiceFragment.java │ │ ├── HeartRateServiceFragment.java │ │ ├── Peripheral.java │ │ ├── Peripherals.java │ │ └── ServiceFragment.java │ └── res │ ├── drawable │ └── battery_icon.xml │ ├── layout │ ├── activity_peripherals.xml │ ├── activity_peripherals_list.xml │ ├── fragment_battery.xml │ ├── fragment_health_thermometer.xml │ └── fragment_heart_rate.xml │ ├── menu │ └── menu_peripheral.xml │ ├── mipmap-hdpi │ └── ic_launcher.png │ ├── mipmap-mdpi │ └── ic_launcher.png │ ├── mipmap-xhdpi │ └── ic_launcher.png │ ├── mipmap-xxhdpi │ └── ic_launcher.png │ ├── mipmap-xxxhdpi │ └── ic_launcher.png │ ├── values-w820dp │ └── dimens.xml │ └── values │ ├── body_sensor_location_values.xml │ ├── color.xml │ ├── dimens.xml │ ├── strings.xml │ └── styles.xml ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── ic_play_store.png ├── ic_play_store_wide.png ├── settings.gradle └── travis └── build.sh /.gitignore: -------------------------------------------------------------------------------- 1 | # Built application files 2 | *.apk 3 | *.ap_ 4 | 5 | # Files for the Dalvik VM 6 | *.dex 7 | 8 | # Java class files 9 | *.class 10 | 11 | # Generated files 12 | bin/ 13 | gen/ 14 | 15 | # Gradle files 16 | .gradle/ 17 | build/ 18 | 19 | # Local configuration file (sdk path, etc) 20 | local.properties 21 | 22 | # Proguard folder generated by Eclipse 23 | proguard/ 24 | 25 | # Log Files 26 | *.log 27 | 28 | # Idea files 29 | /.idea/ 30 | 31 | # iml files 32 | *.iml 33 | 34 | # Mac Files 35 | .DS_Store 36 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: android 2 | jdk: oraclejdk8 3 | android: 4 | components: 5 | # Install latest SDK and tools 6 | - platform-tools 7 | - tools 8 | 9 | # The BuildTools version 10 | - build-tools-26.0.2 11 | 12 | # The SDK version used to compile 13 | - android-22 14 | 15 | # Use extra android repo locations to find the appcompat-v7:21.0.0 support library 16 | - extra 17 | 18 | # Specify the build script to run. 19 | script: "./travis/build.sh" 20 | -------------------------------------------------------------------------------- /BLE SIM icon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/WebBluetoothCG/ble-test-peripheral-android/d6477927e7fe90bb03c18632d52e5846a13bf387/BLE SIM icon.png -------------------------------------------------------------------------------- /Battery Service.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/WebBluetoothCG/ble-test-peripheral-android/d6477927e7fe90bb03c18632d52e5846a13bf387/Battery Service.png -------------------------------------------------------------------------------- /Health Thermometer Service.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/WebBluetoothCG/ble-test-peripheral-android/d6477927e7fe90bb03c18632d52e5846a13bf387/Health Thermometer Service.png -------------------------------------------------------------------------------- /Heart Rate Service.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/WebBluetoothCG/ble-test-peripheral-android/d6477927e7fe90bb03c18632d52e5846a13bf387/Heart Rate Service.png -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright {yyyy} {name of copyright owner} 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | 203 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # BLE Peripheral Simulator 2 | [![Build Status](https://travis-ci.org/WebBluetoothCG/ble-test-peripheral-android.svg)](https://travis-ci.org/WebBluetoothCG/ble-test-peripheral-android) 3 | 4 | The BLE Peripheral Simulator is an Android app that allows developers to try 5 | out new features of Web Bluetooth without the need for a BLE Peripheral Device. 6 | 7 | You can build it from source or install it from the [Google Play Store](https://play.google.com/store/apps/details?id=io.github.webbluetoothcg.bletestperipheral). 8 | 9 | A developer can use the app to simulate a BLE Peripheral with one of three services: 10 | 11 | * Battery Service 12 | * Heart Rate Service 13 | * Health Thermometer Service 14 | 15 | The developer can use the new Web Bluetooth features to connect to the app to Read and Write Characteristics, Subscribe to Notifications for when the Characteristics change, and Read and Write Descriptors. 16 | 17 | From the app a developer can set the characteristics' values, send notifications and disconnect. 18 | 19 | ![Battery Service](Battery%20Service.png) 20 | ![Heart Rate Service](Heart%20Rate%20Service.png) 21 | ![Health Thermometer Service](Health%20Thermometer%20Service.png) 22 | 23 | ### Caveats 24 | 25 | BLE peripheral mode was introduced in Android 5.0 Lollipop. Due to hardware chipset dependency, some devices don't have access to this feature. Here's a non-exhaustive list of devices that support BLE peripheral mode at the time of writing: Nexus 5X, Nexus 6P, Nexus 6, Nexus 9, Moto E 4G LTE, LG G4, Galaxy S6. See https://altbeacon.github.io/android-beacon-library/beacon-transmitter-devices.html for more. 26 | 27 | Source: http://stackoverflow.com/questions/26482611/chipsets-devices-supporting-android-5-ble-peripheral-mode 28 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 22 5 | buildToolsVersion '26.0.2' 6 | defaultConfig { 7 | applicationId "io.github.webbluetoothcg.bletestperipheral" 8 | minSdkVersion 21 9 | targetSdkVersion 22 10 | versionCode 10 11 | versionName '10.0' 12 | } 13 | buildTypes { 14 | release { 15 | minifyEnabled false 16 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 17 | } 18 | } 19 | lintOptions { 20 | quiet true 21 | checkReleaseBuilds false 22 | // if true, stop the gradle build if errors are found 23 | abortOnError false 24 | } 25 | } 26 | 27 | dependencies { 28 | compile fileTree(include: ['*.jar'], dir: 'libs') 29 | } 30 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in $ANDROID_SDK/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /app/src/androidTest/java/io/github/webbluetoothcg/bletestperipheral/ApplicationTest.java: -------------------------------------------------------------------------------- 1 | package io.github.webbluetoothcg.bletestperipheral; 2 | 3 | import android.app.Application; 4 | import android.test.ApplicationTestCase; 5 | 6 | /** 7 | * Testing Fundamentals 8 | */ 9 | public class ApplicationTest extends ApplicationTestCase { 10 | 11 | public ApplicationTest() { 12 | super(Application.class); 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 19 | 20 | 21 | 22 | 23 | 28 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 41 | 42 | 43 | 44 | -------------------------------------------------------------------------------- /app/src/main/java/io/github/webbluetoothcg/bletestperipheral/BatteryServiceFragment.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2015 Google Inc. All rights reserved. 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package io.github.webbluetoothcg.bletestperipheral; 18 | 19 | import android.app.Activity; 20 | import android.bluetooth.BluetoothGattCharacteristic; 21 | import android.bluetooth.BluetoothGattDescriptor; 22 | import android.bluetooth.BluetoothGattService; 23 | import android.os.Bundle; 24 | import android.os.ParcelUuid; 25 | import android.view.KeyEvent; 26 | import android.view.LayoutInflater; 27 | import android.view.View; 28 | import android.view.View.OnClickListener; 29 | import android.view.ViewGroup; 30 | import android.view.inputmethod.EditorInfo; 31 | import android.widget.Button; 32 | import android.widget.EditText; 33 | import android.widget.SeekBar; 34 | import android.widget.SeekBar.OnSeekBarChangeListener; 35 | import android.widget.TextView; 36 | import android.widget.TextView.OnEditorActionListener; 37 | import android.widget.Toast; 38 | 39 | import java.util.UUID; 40 | 41 | 42 | public class BatteryServiceFragment extends ServiceFragment { 43 | 44 | private static final UUID BATTERY_SERVICE_UUID = UUID 45 | .fromString("0000180F-0000-1000-8000-00805f9b34fb"); 46 | 47 | private static final UUID BATTERY_LEVEL_UUID = UUID 48 | .fromString("00002A19-0000-1000-8000-00805f9b34fb"); 49 | private static final int INITIAL_BATTERY_LEVEL = 50; 50 | private static final int BATTERY_LEVEL_MAX = 100; 51 | private static final String BATTERY_LEVEL_DESCRIPTION = "The current charge level of a " + 52 | "battery. 100% represents fully charged while 0% represents fully discharged."; 53 | 54 | private ServiceFragmentDelegate mDelegate; 55 | // UI 56 | private EditText mBatteryLevelEditText; 57 | private final OnEditorActionListener mOnEditorActionListener = new OnEditorActionListener() { 58 | @Override 59 | public boolean onEditorAction(TextView textView, int actionId, KeyEvent event) { 60 | if (actionId == EditorInfo.IME_ACTION_DONE) { 61 | String newBatteryLevelString = textView.getText().toString(); 62 | // Need to check if the string is empty since isDigitsOnly returns 63 | // true for empty strings. 64 | if (!newBatteryLevelString.isEmpty() 65 | && android.text.TextUtils.isDigitsOnly(newBatteryLevelString)) { 66 | int newBatteryLevel = Integer.parseInt(newBatteryLevelString); 67 | if (newBatteryLevel <= BATTERY_LEVEL_MAX) { 68 | setBatteryLevel(newBatteryLevel, textView); 69 | } else { 70 | Toast.makeText(getActivity(), R.string.batteryLevelTooHigh, Toast.LENGTH_SHORT) 71 | .show(); 72 | } 73 | } else { 74 | Toast.makeText(getActivity(), R.string.batteryLevelIncorrect, Toast.LENGTH_SHORT) 75 | .show(); 76 | } 77 | } 78 | return false; 79 | } 80 | }; 81 | private SeekBar mBatteryLevelSeekBar; 82 | private final OnSeekBarChangeListener mOnSeekBarChangeListener = new OnSeekBarChangeListener() { 83 | @Override 84 | public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { 85 | if (fromUser) { 86 | setBatteryLevel(progress, seekBar); 87 | } 88 | } 89 | 90 | @Override 91 | public void onStartTrackingTouch(SeekBar seekBar) { 92 | 93 | } 94 | 95 | @Override 96 | public void onStopTrackingTouch(SeekBar seekBar) { 97 | 98 | } 99 | }; 100 | 101 | private final OnClickListener mNotifyButtonListener = new OnClickListener() { 102 | @Override 103 | public void onClick(View v) { 104 | mDelegate.sendNotificationToDevices(mBatteryLevelCharacteristic); 105 | } 106 | }; 107 | 108 | // GATT 109 | private BluetoothGattService mBatteryService; 110 | private BluetoothGattCharacteristic mBatteryLevelCharacteristic; 111 | 112 | public BatteryServiceFragment() { 113 | mBatteryLevelCharacteristic = 114 | new BluetoothGattCharacteristic(BATTERY_LEVEL_UUID, 115 | BluetoothGattCharacteristic.PROPERTY_READ | BluetoothGattCharacteristic.PROPERTY_NOTIFY, 116 | BluetoothGattCharacteristic.PERMISSION_READ); 117 | 118 | mBatteryLevelCharacteristic.addDescriptor( 119 | Peripheral.getClientCharacteristicConfigurationDescriptor()); 120 | 121 | mBatteryLevelCharacteristic.addDescriptor( 122 | Peripheral.getCharacteristicUserDescriptionDescriptor(BATTERY_LEVEL_DESCRIPTION)); 123 | 124 | mBatteryService = new BluetoothGattService(BATTERY_SERVICE_UUID, 125 | BluetoothGattService.SERVICE_TYPE_PRIMARY); 126 | mBatteryService.addCharacteristic(mBatteryLevelCharacteristic); 127 | } 128 | 129 | // Lifecycle callbacks 130 | @Override 131 | public View onCreateView(LayoutInflater inflater, ViewGroup container, 132 | Bundle savedInstanceState) { 133 | 134 | View view = inflater.inflate(R.layout.fragment_battery, container, false); 135 | 136 | mBatteryLevelEditText = (EditText) view.findViewById(R.id.textView_batteryLevel); 137 | mBatteryLevelEditText.setOnEditorActionListener(mOnEditorActionListener); 138 | mBatteryLevelSeekBar = (SeekBar) view.findViewById(R.id.seekBar_batteryLevel); 139 | mBatteryLevelSeekBar.setOnSeekBarChangeListener(mOnSeekBarChangeListener); 140 | Button notifyButton = (Button) view.findViewById(R.id.button_batteryLevelNotify); 141 | notifyButton.setOnClickListener(mNotifyButtonListener); 142 | 143 | setBatteryLevel(INITIAL_BATTERY_LEVEL, null); 144 | return view; 145 | } 146 | 147 | @Override 148 | public void onAttach(Activity activity) { 149 | super.onAttach(activity); 150 | try { 151 | mDelegate = (ServiceFragmentDelegate) activity; 152 | } catch (ClassCastException e) { 153 | throw new ClassCastException(activity.toString() 154 | + " must implement ServiceFragmentDelegate"); 155 | } 156 | } 157 | 158 | @Override 159 | public void onDetach() { 160 | super.onDetach(); 161 | mDelegate = null; 162 | } 163 | 164 | public BluetoothGattService getBluetoothGattService() { 165 | return mBatteryService; 166 | } 167 | 168 | @Override 169 | public ParcelUuid getServiceUUID() { 170 | return new ParcelUuid(BATTERY_SERVICE_UUID); 171 | } 172 | 173 | private void setBatteryLevel(int newBatteryLevel, View source) { 174 | mBatteryLevelCharacteristic.setValue(newBatteryLevel, 175 | BluetoothGattCharacteristic.FORMAT_UINT8, /* offset */ 0); 176 | if (source != mBatteryLevelSeekBar) { 177 | mBatteryLevelSeekBar.setProgress(newBatteryLevel); 178 | } 179 | if (source != mBatteryLevelEditText) { 180 | mBatteryLevelEditText.setText(Integer.toString(newBatteryLevel)); 181 | } 182 | } 183 | 184 | @Override 185 | public void notificationsEnabled(BluetoothGattCharacteristic characteristic, boolean indicate) { 186 | if (characteristic.getUuid() != BATTERY_LEVEL_UUID) { 187 | return; 188 | } 189 | if (indicate) { 190 | return; 191 | } 192 | getActivity().runOnUiThread(new Runnable() { 193 | @Override 194 | public void run() { 195 | Toast.makeText(getActivity(), R.string.notificationsEnabled, Toast.LENGTH_SHORT) 196 | .show(); 197 | } 198 | }); 199 | } 200 | 201 | @Override 202 | public void notificationsDisabled(BluetoothGattCharacteristic characteristic) { 203 | if (characteristic.getUuid() != BATTERY_LEVEL_UUID) { 204 | return; 205 | } 206 | getActivity().runOnUiThread(new Runnable() { 207 | @Override 208 | public void run() { 209 | Toast.makeText(getActivity(), R.string.notificationsNotEnabled, Toast.LENGTH_SHORT) 210 | .show(); 211 | } 212 | }); 213 | } 214 | } 215 | -------------------------------------------------------------------------------- /app/src/main/java/io/github/webbluetoothcg/bletestperipheral/HealthThermometerServiceFragment.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2017 Google Inc. All rights reserved. 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package io.github.webbluetoothcg.bletestperipheral; 18 | 19 | import android.app.Activity; 20 | import android.bluetooth.BluetoothGatt; 21 | import android.bluetooth.BluetoothGattCharacteristic; 22 | import android.bluetooth.BluetoothGattDescriptor; 23 | import android.bluetooth.BluetoothGattService; 24 | import android.os.Bundle; 25 | import android.os.ParcelUuid; 26 | import android.view.KeyEvent; 27 | import android.view.LayoutInflater; 28 | import android.view.View; 29 | import android.view.ViewGroup; 30 | import android.view.inputmethod.EditorInfo; 31 | import android.widget.EditText; 32 | import android.widget.TextView; 33 | import android.widget.TextView.OnEditorActionListener; 34 | import android.widget.Toast; 35 | 36 | import java.nio.ByteBuffer; 37 | import java.nio.ByteOrder; 38 | import java.util.Timer; 39 | import java.util.TimerTask; 40 | import java.util.UUID; 41 | 42 | public class HealthThermometerServiceFragment extends ServiceFragment { 43 | /** 44 | * See 45 | * Health Thermometer Service 46 | * This service exposes two characteristics with descriptors: 47 | * - Measurement Interval Characteristic: 48 | * - Listen to notifications to from which you can subscribe to notifications 49 | * - CCCD Descriptor: 50 | * - Read/Write to get/set notifications. 51 | * - User Description Descriptor: 52 | * - Read/Write to get/set the description of the Characteristic. 53 | * - Temperature Measurement Characteristic: 54 | * - Read value to get the current interval of the temperature measurement timer. 55 | * - Write value resets the temperature measurement timer with the new value. This timer 56 | * is responsible for triggering value changed events every "Measurement Interval" value. 57 | * - CCCD Descriptor: 58 | * - Read/Write to get/set notifications. 59 | * - User Description Descriptor: 60 | * - Read/Write to get/set the description of the Characteristic. 61 | */ 62 | private static final UUID HEALTH_THERMOMETER_SERVICE_UUID = UUID 63 | .fromString("00001809-0000-1000-8000-00805f9b34fb"); 64 | 65 | /** 66 | * See 67 | * Temperature Measurement 68 | */ 69 | private static final UUID TEMPERATURE_MEASUREMENT_UUID = UUID 70 | .fromString("00002A1C-0000-1000-8000-00805f9b34fb"); 71 | private static final int TEMPERATURE_MEASUREMENT_VALUE_FORMAT = BluetoothGattCharacteristic.FORMAT_FLOAT; 72 | private static final float INITIAL_TEMPERATURE_MEASUREMENT_VALUE = 37.0f; 73 | private static final int EXPONENT_MASK = 0x7f800000; 74 | private static final int EXPONENT_SHIFT = 23; 75 | private static final int MANTISSA_MASK = 0x007fffff; 76 | private static final int MANTISSA_SHIFT = 0; 77 | private static final String TEMPERATURE_MEASUREMENT_DESCRIPTION = "This characteristic is used " + 78 | "to send a temperature measurement."; 79 | 80 | /** 81 | * See 82 | * Measurement Interval 83 | */ 84 | private static final UUID MEASUREMENT_INTERVAL_UUID = UUID 85 | .fromString("00002A21-0000-1000-8000-00805f9b34fb"); 86 | private static final int MEASUREMENT_INTERVAL_FORMAT = BluetoothGattCharacteristic.FORMAT_UINT16; 87 | private static final int INITIAL_MEASUREMENT_INTERVAL = 1; 88 | private static final int MIN_MEASUREMENT_INTERVAL = 1; 89 | private static final int MAX_MEASUREMENT_INTERVAL = (int) Math.pow(2, 16) - 1; 90 | private static final String MEASUREMENT_INTERVAL_DESCRIPTION = "This characteristic is used " + 91 | "to enable and control the interval between consecutive temperature measurements."; 92 | 93 | private BluetoothGattService mHealthThermometerService; 94 | private BluetoothGattCharacteristic mTemperatureMeasurementCharacteristic; 95 | private BluetoothGattCharacteristic mMeasurementIntervalCharacteristic; 96 | private BluetoothGattDescriptor mMeasurementIntervalCCCDescriptor; 97 | 98 | private ServiceFragmentDelegate mDelegate; 99 | 100 | private Timer mTimer; 101 | 102 | private EditText mEditTextTemperatureMeasurement; 103 | private final OnEditorActionListener mOnEditorActionListenerTemperatureMeasurement = new OnEditorActionListener() { 104 | @Override 105 | public boolean onEditorAction(TextView textView, int actionId, KeyEvent event) { 106 | if (actionId == EditorInfo.IME_ACTION_DONE) { 107 | String newTemperatureMeasurementValueString = textView.getText().toString(); 108 | if (isValidTemperatureMeasurementValue(newTemperatureMeasurementValueString)) { 109 | float newTemperatureMeasurementValue = Float.valueOf(newTemperatureMeasurementValueString); 110 | setTemperatureMeasurementValue(newTemperatureMeasurementValue); 111 | } else { 112 | Toast.makeText(getActivity(), R.string.temperatureMeasurementValueInvalid, 113 | Toast.LENGTH_SHORT).show(); 114 | } 115 | } 116 | return false; 117 | } 118 | }; 119 | 120 | private final OnEditorActionListener mOnEditorActionListenerMeasurementInterval = new OnEditorActionListener() { 121 | @Override 122 | public boolean onEditorAction(TextView textView, int actionId, KeyEvent event) { 123 | if (actionId == EditorInfo.IME_ACTION_DONE) { 124 | int newMeasurementInterval = Integer.parseInt(textView.getText().toString()); 125 | if (isValidMeasurementIntervalValue(newMeasurementInterval)) { 126 | mMeasurementIntervalCharacteristic.setValue(newMeasurementInterval, 127 | MEASUREMENT_INTERVAL_FORMAT, 128 | /* offset */ 0); 129 | resetTimer(newMeasurementInterval); 130 | } else { 131 | Toast.makeText(getActivity(), R.string.measurementIntervalInvalid, 132 | Toast.LENGTH_SHORT).show(); 133 | } 134 | } 135 | return false; 136 | } 137 | }; 138 | private EditText mEditTextMeasurementInterval; 139 | 140 | private TextView mTextViewNotifications; 141 | 142 | public HealthThermometerServiceFragment() { 143 | mTemperatureMeasurementCharacteristic = 144 | new BluetoothGattCharacteristic(TEMPERATURE_MEASUREMENT_UUID, 145 | BluetoothGattCharacteristic.PROPERTY_INDICATE, 146 | /* No permissions */ 0); 147 | 148 | mTemperatureMeasurementCharacteristic.addDescriptor( 149 | Peripheral.getClientCharacteristicConfigurationDescriptor()); 150 | 151 | mTemperatureMeasurementCharacteristic.addDescriptor( 152 | Peripheral.getCharacteristicUserDescriptionDescriptor(TEMPERATURE_MEASUREMENT_DESCRIPTION)); 153 | 154 | mMeasurementIntervalCharacteristic = 155 | new BluetoothGattCharacteristic( 156 | MEASUREMENT_INTERVAL_UUID, 157 | (BluetoothGattCharacteristic.PROPERTY_READ | 158 | BluetoothGattCharacteristic.PROPERTY_WRITE | 159 | BluetoothGattCharacteristic.PROPERTY_INDICATE), 160 | (BluetoothGattCharacteristic.PERMISSION_READ | 161 | BluetoothGattCharacteristic.PERMISSION_WRITE)); 162 | 163 | mMeasurementIntervalCCCDescriptor = Peripheral.getClientCharacteristicConfigurationDescriptor(); 164 | mMeasurementIntervalCharacteristic.addDescriptor(mMeasurementIntervalCCCDescriptor); 165 | 166 | mMeasurementIntervalCharacteristic.addDescriptor( 167 | Peripheral.getCharacteristicUserDescriptionDescriptor(MEASUREMENT_INTERVAL_DESCRIPTION)); 168 | 169 | mHealthThermometerService = new BluetoothGattService(HEALTH_THERMOMETER_SERVICE_UUID, 170 | BluetoothGattService.SERVICE_TYPE_PRIMARY); 171 | mHealthThermometerService.addCharacteristic(mTemperatureMeasurementCharacteristic); 172 | mHealthThermometerService.addCharacteristic(mMeasurementIntervalCharacteristic); 173 | } 174 | 175 | 176 | @Override 177 | public View onCreateView(LayoutInflater inflater, ViewGroup container, 178 | Bundle savedInstanceState) { 179 | 180 | View view = inflater.inflate(R.layout.fragment_health_thermometer, container, false); 181 | mEditTextTemperatureMeasurement = (EditText) view 182 | .findViewById(R.id.editText_temperatureMeasurementValue); 183 | mEditTextTemperatureMeasurement 184 | .setOnEditorActionListener(mOnEditorActionListenerTemperatureMeasurement); 185 | mEditTextMeasurementInterval = (EditText) view 186 | .findViewById(R.id.editText_measurementIntervalValue); 187 | mEditTextMeasurementInterval 188 | .setOnEditorActionListener(mOnEditorActionListenerMeasurementInterval); 189 | 190 | mEditTextTemperatureMeasurement.setText(Float.toString(INITIAL_TEMPERATURE_MEASUREMENT_VALUE)); 191 | setTemperatureMeasurementValue(INITIAL_TEMPERATURE_MEASUREMENT_VALUE); 192 | 193 | mMeasurementIntervalCharacteristic.setValue(INITIAL_MEASUREMENT_INTERVAL, 194 | MEASUREMENT_INTERVAL_FORMAT, 195 | /* offset */ 0); 196 | mEditTextMeasurementInterval.setText(Integer.toString(INITIAL_MEASUREMENT_INTERVAL)); 197 | 198 | mTextViewNotifications = (TextView) view.findViewById(R.id.textView_notifications); 199 | mTextViewNotifications.setText(R.string.notificationsNotEnabled); 200 | 201 | return view; 202 | } 203 | 204 | @Override 205 | public void onAttach(Activity activity) { 206 | super.onAttach(activity); 207 | try { 208 | mDelegate = (ServiceFragmentDelegate) activity; 209 | } catch (ClassCastException e) { 210 | throw new ClassCastException(activity.toString() 211 | + " must implement ServiceFragmentDelegate"); 212 | } 213 | } 214 | 215 | @Override 216 | public void onDetach() { 217 | super.onDetach(); 218 | mDelegate = null; 219 | } 220 | 221 | @Override 222 | public void onStop() { 223 | super.onStop(); 224 | cancelTimer(); 225 | } 226 | 227 | @Override 228 | public BluetoothGattService getBluetoothGattService() { 229 | return mHealthThermometerService; 230 | } 231 | 232 | @Override 233 | public ParcelUuid getServiceUUID() { 234 | return new ParcelUuid(HEALTH_THERMOMETER_SERVICE_UUID); 235 | } 236 | 237 | private void setTemperatureMeasurementValue(float temperatureMeasurementValue) { 238 | 239 | /* Set the org.bluetooth.characteristic.temperature_measurement 240 | * characteristic to a byte array of size 5 so 241 | * we can use setValue(value, format, offset); 242 | * 243 | * Flags (8bit) + Temperature Measurement Value (float) = 5 bytes 244 | * 245 | * Flags: 246 | * Temperature Units Flag (0) -> Celsius 247 | * Time Stamp Flag (0) -> Time Stamp field not present 248 | * Temperature Type Flag (0) -> Temperature Type field not present 249 | * Unused (00000) 250 | */ 251 | mTemperatureMeasurementCharacteristic.setValue(new byte[]{0b00000000, 0, 0, 0, 0}); 252 | // Characteristic Value: [flags, 0, 0, 0, 0] 253 | 254 | int bits = Float.floatToIntBits(temperatureMeasurementValue); 255 | int exponent = (bits & EXPONENT_MASK) >>> EXPONENT_SHIFT; 256 | int mantissa = (bits & MANTISSA_MASK) >>> MANTISSA_SHIFT; 257 | 258 | mTemperatureMeasurementCharacteristic.setValue(mantissa, exponent, 259 | TEMPERATURE_MEASUREMENT_VALUE_FORMAT, 260 | /* offset */ 1); 261 | // Characteristic Value: [flags, temperature measurement value] 262 | } 263 | 264 | private void setTemperatureMeasurementTimerInterval(int measurementIntervalValueSeconds) { 265 | mTimer = new Timer(); 266 | mTimer.scheduleAtFixedRate(new TimerTask() { 267 | @Override 268 | public void run() { 269 | getActivity().runOnUiThread(new Runnable() { 270 | @Override 271 | public void run() { 272 | mDelegate.sendNotificationToDevices(mTemperatureMeasurementCharacteristic); 273 | } 274 | }); 275 | } 276 | }, 0 /* delay */, measurementIntervalValueSeconds * 1000); 277 | } 278 | 279 | private void cancelTimer() { 280 | if (mTimer != null) { 281 | mTimer.cancel(); 282 | } 283 | } 284 | 285 | private void resetTimer(int measurementIntervalValue) { 286 | cancelTimer(); 287 | setTemperatureMeasurementTimerInterval(measurementIntervalValue); 288 | } 289 | 290 | private boolean isValidTemperatureMeasurementValue(String s) { 291 | try { 292 | float value = Float.valueOf(s); 293 | return true; 294 | } catch (NumberFormatException e) { 295 | return false; 296 | } 297 | } 298 | 299 | private boolean isValidMeasurementIntervalValue(int value) { 300 | return (value >= MIN_MEASUREMENT_INTERVAL) && (value <= MAX_MEASUREMENT_INTERVAL); 301 | } 302 | 303 | @Override 304 | public int writeCharacteristic(BluetoothGattCharacteristic characteristic, int offset, byte[] value) { 305 | if (offset != 0) { 306 | return BluetoothGatt.GATT_INVALID_OFFSET; 307 | } 308 | // Measurement Interval is a 16bit characteristic 309 | if (value.length != 2) { 310 | return BluetoothGatt.GATT_INVALID_ATTRIBUTE_LENGTH; 311 | } 312 | ByteBuffer byteBuffer = ByteBuffer.wrap(value); 313 | byteBuffer.order(ByteOrder.LITTLE_ENDIAN); 314 | final int newMeasurementIntervalValue = byteBuffer.getShort(); 315 | if (!isValidMeasurementIntervalValue(newMeasurementIntervalValue)) { 316 | return BluetoothGatt.GATT_FAILURE; 317 | } 318 | getActivity().runOnUiThread(new Runnable() { 319 | @Override 320 | public void run() { 321 | mMeasurementIntervalCharacteristic.setValue(newMeasurementIntervalValue, 322 | MEASUREMENT_INTERVAL_FORMAT, 323 | /* offset */ 0); 324 | if (mMeasurementIntervalCCCDescriptor.getValue() == BluetoothGattDescriptor.ENABLE_INDICATION_VALUE) { 325 | resetTimer(newMeasurementIntervalValue); 326 | mTextViewNotifications.setText(R.string.notificationsEnabled); 327 | } 328 | } 329 | }); 330 | return BluetoothGatt.GATT_SUCCESS; 331 | } 332 | 333 | @Override 334 | public void notificationsDisabled(BluetoothGattCharacteristic characteristic) { 335 | if (characteristic.getUuid() != TEMPERATURE_MEASUREMENT_UUID) { 336 | return; 337 | } 338 | cancelTimer(); 339 | getActivity().runOnUiThread(new Runnable() { 340 | @Override 341 | public void run() { 342 | mTextViewNotifications.setText(R.string.notificationsNotEnabled); 343 | } 344 | }); 345 | } 346 | 347 | @Override 348 | public void notificationsEnabled(BluetoothGattCharacteristic characteristic, boolean indicate) { 349 | if (characteristic.getUuid() != TEMPERATURE_MEASUREMENT_UUID) { 350 | return; 351 | } 352 | if (!indicate) { 353 | return; 354 | } 355 | getActivity().runOnUiThread(new Runnable() { 356 | @Override 357 | public void run() { 358 | int newMeasurementInterval = Integer.parseInt(mEditTextMeasurementInterval.getText() 359 | .toString()); 360 | if (isValidMeasurementIntervalValue(newMeasurementInterval)) { 361 | mMeasurementIntervalCharacteristic.setValue(newMeasurementInterval, 362 | MEASUREMENT_INTERVAL_FORMAT, 363 | /* offset */ 0); 364 | resetTimer(newMeasurementInterval); 365 | mTextViewNotifications.setText(R.string.notificationsEnabled); 366 | } 367 | } 368 | }); 369 | } 370 | 371 | } 372 | -------------------------------------------------------------------------------- /app/src/main/java/io/github/webbluetoothcg/bletestperipheral/HeartRateServiceFragment.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2015 Google Inc. All rights reserved. 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package io.github.webbluetoothcg.bletestperipheral; 18 | 19 | import android.app.Activity; 20 | import android.bluetooth.BluetoothGatt; 21 | import android.bluetooth.BluetoothGattCharacteristic; 22 | import android.bluetooth.BluetoothGattDescriptor; 23 | import android.bluetooth.BluetoothGattService; 24 | import android.os.Bundle; 25 | import android.os.ParcelUuid; 26 | import android.util.Log; 27 | import android.view.KeyEvent; 28 | import android.view.LayoutInflater; 29 | import android.view.View; 30 | import android.view.View.OnClickListener; 31 | import android.view.ViewGroup; 32 | import android.view.inputmethod.EditorInfo; 33 | import android.widget.AdapterView; 34 | import android.widget.AdapterView.OnItemSelectedListener; 35 | import android.widget.Button; 36 | import android.widget.EditText; 37 | import android.widget.Spinner; 38 | import android.widget.TextView; 39 | import android.widget.TextView.OnEditorActionListener; 40 | import android.widget.Toast; 41 | 42 | import java.util.Arrays; 43 | import java.util.UUID; 44 | 45 | public class HeartRateServiceFragment extends ServiceFragment { 46 | private static final String TAG = HeartRateServiceFragment.class.getCanonicalName(); 47 | private static final int MIN_UINT = 0; 48 | private static final int MAX_UINT8 = (int) Math.pow(2, 8) - 1; 49 | private static final int MAX_UINT16 = (int) Math.pow(2, 16) - 1; 50 | /** 51 | * See 52 | * Heart Rate Service 53 | */ 54 | private static final UUID HEART_RATE_SERVICE_UUID = UUID 55 | .fromString("0000180D-0000-1000-8000-00805f9b34fb"); 56 | 57 | /** 58 | * See 59 | * Heart Rate Measurement 60 | */ 61 | private static final UUID HEART_RATE_MEASUREMENT_UUID = UUID 62 | .fromString("00002A37-0000-1000-8000-00805f9b34fb"); 63 | private static final int HEART_RATE_MEASUREMENT_VALUE_FORMAT = BluetoothGattCharacteristic.FORMAT_UINT8; 64 | private static final int INITIAL_HEART_RATE_MEASUREMENT_VALUE = 60; 65 | private static final int EXPENDED_ENERGY_FORMAT = BluetoothGattCharacteristic.FORMAT_UINT16; 66 | private static final int INITIAL_EXPENDED_ENERGY = 0; 67 | private static final String HEART_RATE_MEASUREMENT_DESCRIPTION = "Used to send a heart rate " + 68 | "measurement"; 69 | 70 | /** 71 | * See 72 | * Body Sensor Location 73 | */ 74 | private static final UUID BODY_SENSOR_LOCATION_UUID = UUID 75 | .fromString("00002A38-0000-1000-8000-00805f9b34fb"); 76 | private static final int LOCATION_OTHER = 0; 77 | 78 | /** 79 | * See 80 | * Heart Rate Control Point 81 | */ 82 | private static final UUID HEART_RATE_CONTROL_POINT_UUID = UUID 83 | .fromString("00002A39-0000-1000-8000-00805f9b34fb"); 84 | 85 | private BluetoothGattService mHeartRateService; 86 | private BluetoothGattCharacteristic mHeartRateMeasurementCharacteristic; 87 | private BluetoothGattCharacteristic mBodySensorLocationCharacteristic; 88 | private BluetoothGattCharacteristic mHeartRateControlPoint; 89 | 90 | private ServiceFragmentDelegate mDelegate; 91 | 92 | private EditText mEditTextHeartRateMeasurement; 93 | private final OnEditorActionListener mOnEditorActionListenerHeartRateMeasurement = new OnEditorActionListener() { 94 | @Override 95 | public boolean onEditorAction(TextView textView, int actionId, KeyEvent event) { 96 | if (actionId == EditorInfo.IME_ACTION_DONE) { 97 | String newHeartRateMeasurementValueString = textView.getText().toString(); 98 | if (isValidCharacteristicValue(newHeartRateMeasurementValueString, 99 | HEART_RATE_MEASUREMENT_VALUE_FORMAT)) { 100 | int newHeartRateMeasurementValue = Integer.parseInt(newHeartRateMeasurementValueString); 101 | mHeartRateMeasurementCharacteristic.setValue(newHeartRateMeasurementValue, 102 | HEART_RATE_MEASUREMENT_VALUE_FORMAT, 103 | /* offset */ 1); 104 | } else { 105 | Toast.makeText(getActivity(), R.string.heartRateMeasurementValueInvalid, 106 | Toast.LENGTH_SHORT).show(); 107 | } 108 | } 109 | return false; 110 | } 111 | }; 112 | 113 | private final OnEditorActionListener mOnEditorActionListenerEnergyExpended = new OnEditorActionListener() { 114 | @Override 115 | public boolean onEditorAction(TextView textView, int actionId, KeyEvent event) { 116 | if (actionId == EditorInfo.IME_ACTION_DONE) { 117 | String newEnergyExpendedString = textView.getText().toString(); 118 | if (isValidCharacteristicValue(newEnergyExpendedString, 119 | EXPENDED_ENERGY_FORMAT)) { 120 | int newEnergyExpended = Integer.parseInt(newEnergyExpendedString); 121 | mHeartRateMeasurementCharacteristic.setValue(newEnergyExpended, 122 | EXPENDED_ENERGY_FORMAT, 123 | /* offset */ 2); 124 | } else { 125 | Toast.makeText(getActivity(), R.string.energyExpendedInvalid, 126 | Toast.LENGTH_SHORT).show(); 127 | } 128 | } 129 | return false; 130 | } 131 | }; 132 | private EditText mEditTextEnergyExpended; 133 | private Spinner mSpinnerBodySensorLocation; 134 | 135 | private final OnItemSelectedListener mLocationSpinnerOnItemSelectedListener = 136 | new OnItemSelectedListener() { 137 | @Override 138 | public void onItemSelected(AdapterView parent, View view, int position, long id) { 139 | setBodySensorLocationValue(position); 140 | } 141 | 142 | @Override 143 | public void onNothingSelected(AdapterView parent) { 144 | } 145 | }; 146 | 147 | private final OnClickListener mNotifyButtonListener = new OnClickListener() { 148 | @Override 149 | public void onClick(View v) { 150 | mDelegate.sendNotificationToDevices(mHeartRateMeasurementCharacteristic); 151 | } 152 | }; 153 | 154 | public HeartRateServiceFragment() { 155 | mHeartRateMeasurementCharacteristic = 156 | new BluetoothGattCharacteristic(HEART_RATE_MEASUREMENT_UUID, 157 | BluetoothGattCharacteristic.PROPERTY_NOTIFY, 158 | /* No permissions */ 0); 159 | 160 | mHeartRateMeasurementCharacteristic.addDescriptor( 161 | Peripheral.getClientCharacteristicConfigurationDescriptor()); 162 | 163 | mHeartRateMeasurementCharacteristic.addDescriptor( 164 | Peripheral.getCharacteristicUserDescriptionDescriptor(HEART_RATE_MEASUREMENT_DESCRIPTION)); 165 | 166 | mBodySensorLocationCharacteristic = 167 | new BluetoothGattCharacteristic(BODY_SENSOR_LOCATION_UUID, 168 | BluetoothGattCharacteristic.PROPERTY_READ, 169 | BluetoothGattCharacteristic.PERMISSION_READ); 170 | 171 | mHeartRateControlPoint = 172 | new BluetoothGattCharacteristic(HEART_RATE_CONTROL_POINT_UUID, 173 | BluetoothGattCharacteristic.PROPERTY_WRITE, 174 | BluetoothGattCharacteristic.PERMISSION_WRITE); 175 | 176 | mHeartRateService = new BluetoothGattService(HEART_RATE_SERVICE_UUID, 177 | BluetoothGattService.SERVICE_TYPE_PRIMARY); 178 | mHeartRateService.addCharacteristic(mHeartRateMeasurementCharacteristic); 179 | mHeartRateService.addCharacteristic(mBodySensorLocationCharacteristic); 180 | mHeartRateService.addCharacteristic(mHeartRateControlPoint); 181 | } 182 | 183 | 184 | @Override 185 | public View onCreateView(LayoutInflater inflater, ViewGroup container, 186 | Bundle savedInstanceState) { 187 | 188 | View view = inflater.inflate(R.layout.fragment_heart_rate, container, false); 189 | mSpinnerBodySensorLocation = (Spinner) view.findViewById(R.id.spinner_bodySensorLocation); 190 | mSpinnerBodySensorLocation.setOnItemSelectedListener(mLocationSpinnerOnItemSelectedListener); 191 | mEditTextHeartRateMeasurement = (EditText) view 192 | .findViewById(R.id.editText_heartRateMeasurementValue); 193 | mEditTextHeartRateMeasurement 194 | .setOnEditorActionListener(mOnEditorActionListenerHeartRateMeasurement); 195 | mEditTextEnergyExpended = (EditText) view 196 | .findViewById(R.id.editText_energyExpended); 197 | mEditTextEnergyExpended 198 | .setOnEditorActionListener(mOnEditorActionListenerEnergyExpended); 199 | Button notifyButton = (Button) view.findViewById(R.id.button_heartRateMeasurementNotify); 200 | notifyButton.setOnClickListener(mNotifyButtonListener); 201 | 202 | setHeartRateMeasurementValue(INITIAL_HEART_RATE_MEASUREMENT_VALUE, 203 | INITIAL_EXPENDED_ENERGY); 204 | setBodySensorLocationValue(LOCATION_OTHER); 205 | return view; 206 | } 207 | 208 | @Override 209 | public void onAttach(Activity activity) { 210 | super.onAttach(activity); 211 | try { 212 | mDelegate = (ServiceFragmentDelegate) activity; 213 | } catch (ClassCastException e) { 214 | throw new ClassCastException(activity.toString() 215 | + " must implement ServiceFragmentDelegate"); 216 | } 217 | } 218 | 219 | @Override 220 | public void onDetach() { 221 | super.onDetach(); 222 | mDelegate = null; 223 | } 224 | 225 | @Override 226 | public BluetoothGattService getBluetoothGattService() { 227 | return mHeartRateService; 228 | } 229 | 230 | @Override 231 | public ParcelUuid getServiceUUID() { 232 | return new ParcelUuid(HEART_RATE_SERVICE_UUID); 233 | } 234 | 235 | private void setHeartRateMeasurementValue(int heartRateMeasurementValue, int expendedEnergy) { 236 | 237 | Log.d(TAG, Arrays.toString(mHeartRateMeasurementCharacteristic.getValue())); 238 | /* Set the org.bluetooth.characteristic.heart_rate_measurement 239 | * characteristic to a byte array of size 4 so 240 | * we can use setValue(value, format, offset); 241 | * 242 | * Flags (8bit) + Heart Rate Measurement Value (uint8) + Energy Expended (uint16) = 4 bytes 243 | * 244 | * Flags = 1 << 3: 245 | * Heart Rate Format (0) -> UINT8 246 | * Sensor Contact Status (00) -> Not Supported 247 | * Energy Expended (1) -> Field Present 248 | * RR-Interval (0) -> Field not pressent 249 | * Unused (000) 250 | */ 251 | mHeartRateMeasurementCharacteristic.setValue(new byte[]{0b00001000, 0, 0, 0}); 252 | // Characteristic Value: [flags, 0, 0, 0] 253 | mHeartRateMeasurementCharacteristic.setValue(heartRateMeasurementValue, 254 | HEART_RATE_MEASUREMENT_VALUE_FORMAT, 255 | /* offset */ 1); 256 | // Characteristic Value: [flags, heart rate value, 0, 0] 257 | mEditTextHeartRateMeasurement.setText(Integer.toString(heartRateMeasurementValue)); 258 | mHeartRateMeasurementCharacteristic.setValue(expendedEnergy, 259 | EXPENDED_ENERGY_FORMAT, 260 | /* offset */ 2); 261 | // Characteristic Value: [flags, heart rate value, energy expended (LSB), energy expended (MSB)] 262 | mEditTextEnergyExpended.setText(Integer.toString(expendedEnergy)); 263 | } 264 | private void setBodySensorLocationValue(int location) { 265 | mBodySensorLocationCharacteristic.setValue(new byte[]{(byte) location}); 266 | mSpinnerBodySensorLocation.setSelection(location); 267 | } 268 | 269 | private boolean isValidCharacteristicValue(String s, int format) { 270 | try { 271 | int value = Integer.parseInt(s); 272 | if (format == BluetoothGattCharacteristic.FORMAT_UINT8) { 273 | return (value >= MIN_UINT) && (value <= MAX_UINT8); 274 | } else if (format == BluetoothGattCharacteristic.FORMAT_UINT16) { 275 | return (value >= MIN_UINT) && (value <= MAX_UINT16); 276 | } else { 277 | throw new IllegalArgumentException(format + " is not a valid argument"); 278 | } 279 | } catch (NumberFormatException e) { 280 | return false; 281 | } 282 | } 283 | 284 | @Override 285 | public int writeCharacteristic(BluetoothGattCharacteristic characteristic, int offset, byte[] value) { 286 | if (offset != 0) { 287 | return BluetoothGatt.GATT_INVALID_OFFSET; 288 | } 289 | // Heart Rate control point is a 8bit characteristic 290 | if (value.length != 1) { 291 | return BluetoothGatt.GATT_INVALID_ATTRIBUTE_LENGTH; 292 | } 293 | if ((value[0] & 1) == 1) { 294 | getActivity().runOnUiThread(new Runnable() { 295 | @Override 296 | public void run() { 297 | mHeartRateMeasurementCharacteristic.setValue(INITIAL_EXPENDED_ENERGY, 298 | EXPENDED_ENERGY_FORMAT, /* offset */ 2); 299 | mEditTextEnergyExpended.setText(Integer.toString(INITIAL_EXPENDED_ENERGY)); 300 | } 301 | }); 302 | } 303 | return BluetoothGatt.GATT_SUCCESS; 304 | } 305 | 306 | @Override 307 | public void notificationsEnabled(BluetoothGattCharacteristic characteristic, boolean indicate) { 308 | if (characteristic.getUuid() != HEART_RATE_MEASUREMENT_UUID) { 309 | return; 310 | } 311 | if (indicate) { 312 | return; 313 | } 314 | getActivity().runOnUiThread(new Runnable() { 315 | @Override 316 | public void run() { 317 | Toast.makeText(getActivity(), R.string.notificationsEnabled, Toast.LENGTH_SHORT) 318 | .show(); 319 | } 320 | }); 321 | } 322 | 323 | @Override 324 | public void notificationsDisabled(BluetoothGattCharacteristic characteristic) { 325 | if (characteristic.getUuid() != HEART_RATE_MEASUREMENT_UUID) { 326 | return; 327 | } 328 | getActivity().runOnUiThread(new Runnable() { 329 | @Override 330 | public void run() { 331 | Toast.makeText(getActivity(), R.string.notificationsNotEnabled, Toast.LENGTH_SHORT) 332 | .show(); 333 | } 334 | }); 335 | } 336 | } 337 | -------------------------------------------------------------------------------- /app/src/main/java/io/github/webbluetoothcg/bletestperipheral/Peripheral.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2015 Google Inc. All rights reserved. 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package io.github.webbluetoothcg.bletestperipheral; 18 | 19 | import android.app.Activity; 20 | import android.bluetooth.BluetoothAdapter; 21 | import android.bluetooth.BluetoothDevice; 22 | import android.bluetooth.BluetoothGatt; 23 | import android.bluetooth.BluetoothGattCharacteristic; 24 | import android.bluetooth.BluetoothGattDescriptor; 25 | import android.bluetooth.BluetoothGattServer; 26 | import android.bluetooth.BluetoothGattServerCallback; 27 | import android.bluetooth.BluetoothGattService; 28 | import android.bluetooth.BluetoothManager; 29 | import android.bluetooth.le.AdvertiseCallback; 30 | import android.bluetooth.le.AdvertiseData; 31 | import android.bluetooth.le.AdvertiseSettings; 32 | import android.bluetooth.le.BluetoothLeAdvertiser; 33 | import android.content.Context; 34 | import android.content.Intent; 35 | import android.os.Bundle; 36 | import android.util.Log; 37 | import android.view.Menu; 38 | import android.view.MenuInflater; 39 | import android.view.MenuItem; 40 | import android.view.WindowManager; 41 | import android.widget.TextView; 42 | import android.widget.Toast; 43 | 44 | import java.util.Arrays; 45 | import java.util.HashSet; 46 | import java.util.UUID; 47 | 48 | import io.github.webbluetoothcg.bletestperipheral.ServiceFragment.ServiceFragmentDelegate; 49 | 50 | public class Peripheral extends Activity implements ServiceFragmentDelegate { 51 | 52 | private static final int REQUEST_ENABLE_BT = 1; 53 | private static final String TAG = Peripheral.class.getCanonicalName(); 54 | private static final String CURRENT_FRAGMENT_TAG = "CURRENT_FRAGMENT"; 55 | 56 | private static final UUID CHARACTERISTIC_USER_DESCRIPTION_UUID = UUID 57 | .fromString("00002901-0000-1000-8000-00805f9b34fb"); 58 | private static final UUID CLIENT_CHARACTERISTIC_CONFIGURATION_UUID = UUID 59 | .fromString("00002902-0000-1000-8000-00805f9b34fb"); 60 | 61 | private TextView mAdvStatus; 62 | private TextView mConnectionStatus; 63 | private ServiceFragment mCurrentServiceFragment; 64 | private BluetoothGattService mBluetoothGattService; 65 | private HashSet mBluetoothDevices; 66 | private BluetoothManager mBluetoothManager; 67 | private BluetoothAdapter mBluetoothAdapter; 68 | private AdvertiseData mAdvData; 69 | private AdvertiseData mAdvScanResponse; 70 | private AdvertiseSettings mAdvSettings; 71 | private BluetoothLeAdvertiser mAdvertiser; 72 | private final AdvertiseCallback mAdvCallback = new AdvertiseCallback() { 73 | @Override 74 | public void onStartFailure(int errorCode) { 75 | super.onStartFailure(errorCode); 76 | Log.e(TAG, "Not broadcasting: " + errorCode); 77 | int statusText; 78 | switch (errorCode) { 79 | case ADVERTISE_FAILED_ALREADY_STARTED: 80 | statusText = R.string.status_advertising; 81 | Log.w(TAG, "App was already advertising"); 82 | break; 83 | case ADVERTISE_FAILED_DATA_TOO_LARGE: 84 | statusText = R.string.status_advDataTooLarge; 85 | break; 86 | case ADVERTISE_FAILED_FEATURE_UNSUPPORTED: 87 | statusText = R.string.status_advFeatureUnsupported; 88 | break; 89 | case ADVERTISE_FAILED_INTERNAL_ERROR: 90 | statusText = R.string.status_advInternalError; 91 | break; 92 | case ADVERTISE_FAILED_TOO_MANY_ADVERTISERS: 93 | statusText = R.string.status_advTooManyAdvertisers; 94 | break; 95 | default: 96 | statusText = R.string.status_notAdvertising; 97 | Log.wtf(TAG, "Unhandled error: " + errorCode); 98 | } 99 | mAdvStatus.setText(statusText); 100 | } 101 | 102 | @Override 103 | public void onStartSuccess(AdvertiseSettings settingsInEffect) { 104 | super.onStartSuccess(settingsInEffect); 105 | Log.v(TAG, "Broadcasting"); 106 | mAdvStatus.setText(R.string.status_advertising); 107 | } 108 | }; 109 | 110 | private BluetoothGattServer mGattServer; 111 | private final BluetoothGattServerCallback mGattServerCallback = new BluetoothGattServerCallback() { 112 | @Override 113 | public void onConnectionStateChange(BluetoothDevice device, final int status, int newState) { 114 | super.onConnectionStateChange(device, status, newState); 115 | if (status == BluetoothGatt.GATT_SUCCESS) { 116 | if (newState == BluetoothGatt.STATE_CONNECTED) { 117 | mBluetoothDevices.add(device); 118 | updateConnectedDevicesStatus(); 119 | Log.v(TAG, "Connected to device: " + device.getAddress()); 120 | } else if (newState == BluetoothGatt.STATE_DISCONNECTED) { 121 | mBluetoothDevices.remove(device); 122 | updateConnectedDevicesStatus(); 123 | Log.v(TAG, "Disconnected from device"); 124 | } 125 | } else { 126 | mBluetoothDevices.remove(device); 127 | updateConnectedDevicesStatus(); 128 | // There are too many gatt errors (some of them not even in the documentation) so we just 129 | // show the error to the user. 130 | final String errorMessage = getString(R.string.status_errorWhenConnecting) + ": " + status; 131 | runOnUiThread(new Runnable() { 132 | @Override 133 | public void run() { 134 | Toast.makeText(Peripheral.this, errorMessage, Toast.LENGTH_LONG).show(); 135 | } 136 | }); 137 | Log.e(TAG, "Error when connecting: " + status); 138 | } 139 | } 140 | 141 | @Override 142 | public void onCharacteristicReadRequest(BluetoothDevice device, int requestId, int offset, 143 | BluetoothGattCharacteristic characteristic) { 144 | super.onCharacteristicReadRequest(device, requestId, offset, characteristic); 145 | Log.d(TAG, "Device tried to read characteristic: " + characteristic.getUuid()); 146 | Log.d(TAG, "Value: " + Arrays.toString(characteristic.getValue())); 147 | if (offset != 0) { 148 | mGattServer.sendResponse(device, requestId, BluetoothGatt.GATT_INVALID_OFFSET, offset, 149 | /* value (optional) */ null); 150 | return; 151 | } 152 | mGattServer.sendResponse(device, requestId, BluetoothGatt.GATT_SUCCESS, 153 | offset, characteristic.getValue()); 154 | } 155 | 156 | @Override 157 | public void onNotificationSent(BluetoothDevice device, int status) { 158 | super.onNotificationSent(device, status); 159 | Log.v(TAG, "Notification sent. Status: " + status); 160 | } 161 | 162 | @Override 163 | public void onCharacteristicWriteRequest(BluetoothDevice device, int requestId, 164 | BluetoothGattCharacteristic characteristic, boolean preparedWrite, boolean responseNeeded, 165 | int offset, byte[] value) { 166 | super.onCharacteristicWriteRequest(device, requestId, characteristic, preparedWrite, 167 | responseNeeded, offset, value); 168 | Log.v(TAG, "Characteristic Write request: " + Arrays.toString(value)); 169 | int status = mCurrentServiceFragment.writeCharacteristic(characteristic, offset, value); 170 | if (responseNeeded) { 171 | mGattServer.sendResponse(device, requestId, status, 172 | /* No need to respond with an offset */ 0, 173 | /* No need to respond with a value */ null); 174 | } 175 | } 176 | 177 | @Override 178 | public void onDescriptorReadRequest(BluetoothDevice device, int requestId, 179 | int offset, BluetoothGattDescriptor descriptor) { 180 | super.onDescriptorReadRequest(device, requestId, offset, descriptor); 181 | Log.d(TAG, "Device tried to read descriptor: " + descriptor.getUuid()); 182 | Log.d(TAG, "Value: " + Arrays.toString(descriptor.getValue())); 183 | if (offset != 0) { 184 | mGattServer.sendResponse(device, requestId, BluetoothGatt.GATT_INVALID_OFFSET, offset, 185 | /* value (optional) */ null); 186 | return; 187 | } 188 | mGattServer.sendResponse(device, requestId, BluetoothGatt.GATT_SUCCESS, offset, 189 | descriptor.getValue()); 190 | } 191 | 192 | @Override 193 | public void onDescriptorWriteRequest(BluetoothDevice device, int requestId, 194 | BluetoothGattDescriptor descriptor, boolean preparedWrite, boolean responseNeeded, 195 | int offset, 196 | byte[] value) { 197 | super.onDescriptorWriteRequest(device, requestId, descriptor, preparedWrite, responseNeeded, 198 | offset, value); 199 | Log.v(TAG, "Descriptor Write Request " + descriptor.getUuid() + " " + Arrays.toString(value)); 200 | int status = BluetoothGatt.GATT_SUCCESS; 201 | if (descriptor.getUuid() == CLIENT_CHARACTERISTIC_CONFIGURATION_UUID) { 202 | BluetoothGattCharacteristic characteristic = descriptor.getCharacteristic(); 203 | boolean supportsNotifications = (characteristic.getProperties() & 204 | BluetoothGattCharacteristic.PROPERTY_NOTIFY) != 0; 205 | boolean supportsIndications = (characteristic.getProperties() & 206 | BluetoothGattCharacteristic.PROPERTY_INDICATE) != 0; 207 | 208 | if (!(supportsNotifications || supportsIndications)) { 209 | status = BluetoothGatt.GATT_REQUEST_NOT_SUPPORTED; 210 | } else if (value.length != 2) { 211 | status = BluetoothGatt.GATT_INVALID_ATTRIBUTE_LENGTH; 212 | } else if (Arrays.equals(value, BluetoothGattDescriptor.DISABLE_NOTIFICATION_VALUE)) { 213 | status = BluetoothGatt.GATT_SUCCESS; 214 | mCurrentServiceFragment.notificationsDisabled(characteristic); 215 | descriptor.setValue(value); 216 | } else if (supportsNotifications && 217 | Arrays.equals(value, BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE)) { 218 | status = BluetoothGatt.GATT_SUCCESS; 219 | mCurrentServiceFragment.notificationsEnabled(characteristic, false /* indicate */); 220 | descriptor.setValue(value); 221 | } else if (supportsIndications && 222 | Arrays.equals(value, BluetoothGattDescriptor.ENABLE_INDICATION_VALUE)) { 223 | status = BluetoothGatt.GATT_SUCCESS; 224 | mCurrentServiceFragment.notificationsEnabled(characteristic, true /* indicate */); 225 | descriptor.setValue(value); 226 | } else { 227 | status = BluetoothGatt.GATT_REQUEST_NOT_SUPPORTED; 228 | } 229 | } else { 230 | status = BluetoothGatt.GATT_SUCCESS; 231 | descriptor.setValue(value); 232 | } 233 | if (responseNeeded) { 234 | mGattServer.sendResponse(device, requestId, status, 235 | /* No need to respond with offset */ 0, 236 | /* No need to respond with a value */ null); 237 | } 238 | } 239 | }; 240 | 241 | ///////////////////////////////// 242 | ////// Lifecycle Callbacks ////// 243 | ///////////////////////////////// 244 | 245 | @Override 246 | protected void onCreate(Bundle savedInstanceState) { 247 | super.onCreate(savedInstanceState); 248 | setContentView(R.layout.activity_peripherals); 249 | getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 250 | mAdvStatus = (TextView) findViewById(R.id.textView_advertisingStatus); 251 | mConnectionStatus = (TextView) findViewById(R.id.textView_connectionStatus); 252 | mBluetoothDevices = new HashSet<>(); 253 | mBluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE); 254 | mBluetoothAdapter = mBluetoothManager.getAdapter(); 255 | 256 | // If we are not being restored from a previous state then create and add the fragment. 257 | if (savedInstanceState == null) { 258 | int peripheralIndex = getIntent().getIntExtra(Peripherals.EXTRA_PERIPHERAL_INDEX, 259 | /* default */ -1); 260 | if (peripheralIndex == 0) { 261 | mCurrentServiceFragment = new BatteryServiceFragment(); 262 | } else if (peripheralIndex == 1) { 263 | mCurrentServiceFragment = new HeartRateServiceFragment(); 264 | } else if (peripheralIndex == 2) { 265 | mCurrentServiceFragment = new HealthThermometerServiceFragment(); 266 | } else { 267 | Log.wtf(TAG, "Service doesn't exist"); 268 | } 269 | getFragmentManager() 270 | .beginTransaction() 271 | .add(R.id.fragment_container, mCurrentServiceFragment, CURRENT_FRAGMENT_TAG) 272 | .commit(); 273 | } else { 274 | mCurrentServiceFragment = (ServiceFragment) getFragmentManager() 275 | .findFragmentByTag(CURRENT_FRAGMENT_TAG); 276 | } 277 | mBluetoothGattService = mCurrentServiceFragment.getBluetoothGattService(); 278 | 279 | mAdvSettings = new AdvertiseSettings.Builder() 280 | .setAdvertiseMode(AdvertiseSettings.ADVERTISE_MODE_BALANCED) 281 | .setTxPowerLevel(AdvertiseSettings.ADVERTISE_TX_POWER_MEDIUM) 282 | .setConnectable(true) 283 | .build(); 284 | mAdvData = new AdvertiseData.Builder() 285 | .setIncludeTxPowerLevel(true) 286 | .addServiceUuid(mCurrentServiceFragment.getServiceUUID()) 287 | .build(); 288 | mAdvScanResponse = new AdvertiseData.Builder() 289 | .setIncludeDeviceName(true) 290 | .build(); 291 | } 292 | 293 | @Override 294 | public boolean onCreateOptionsMenu(Menu menu) { 295 | MenuInflater inflater = getMenuInflater(); 296 | inflater.inflate(R.menu.menu_peripheral, menu); 297 | return true /* show menu */; 298 | } 299 | 300 | @Override 301 | protected void onActivityResult(int requestCode, int resultCode, Intent data) { 302 | super.onActivityResult(requestCode, resultCode, data); 303 | if (requestCode == REQUEST_ENABLE_BT) { 304 | if (resultCode == RESULT_OK) { 305 | if (!mBluetoothAdapter.isMultipleAdvertisementSupported()) { 306 | Toast.makeText(this, R.string.bluetoothAdvertisingNotSupported, Toast.LENGTH_LONG).show(); 307 | Log.e(TAG, "Advertising not supported"); 308 | } 309 | onStart(); 310 | } else { 311 | //TODO(g-ortuno): UX for asking the user to activate bt 312 | Toast.makeText(this, R.string.bluetoothNotEnabled, Toast.LENGTH_LONG).show(); 313 | Log.e(TAG, "Bluetooth not enabled"); 314 | finish(); 315 | } 316 | } 317 | } 318 | 319 | 320 | @Override 321 | protected void onStart() { 322 | super.onStart(); 323 | resetStatusViews(); 324 | // If the user disabled Bluetooth when the app was in the background, 325 | // openGattServer() will return null. 326 | mGattServer = mBluetoothManager.openGattServer(this, mGattServerCallback); 327 | if (mGattServer == null) { 328 | ensureBleFeaturesAvailable(); 329 | return; 330 | } 331 | // Add a service for a total of three services (Generic Attribute and Generic Access 332 | // are present by default). 333 | mGattServer.addService(mBluetoothGattService); 334 | 335 | if (mBluetoothAdapter.isMultipleAdvertisementSupported()) { 336 | mAdvertiser = mBluetoothAdapter.getBluetoothLeAdvertiser(); 337 | mAdvertiser.startAdvertising(mAdvSettings, mAdvData, mAdvScanResponse, mAdvCallback); 338 | } else { 339 | mAdvStatus.setText(R.string.status_noLeAdv); 340 | } 341 | } 342 | 343 | @Override 344 | public boolean onOptionsItemSelected(MenuItem item) { 345 | if (item.getItemId() == R.id.action_disconnect_devices) { 346 | disconnectFromDevices(); 347 | return true /* event_consumed */; 348 | } 349 | return false /* event_consumed */; 350 | } 351 | 352 | @Override 353 | protected void onStop() { 354 | super.onStop(); 355 | if (mGattServer != null) { 356 | mGattServer.close(); 357 | } 358 | if (mBluetoothAdapter.isEnabled() && mAdvertiser != null) { 359 | // If stopAdvertising() gets called before close() a null 360 | // pointer exception is raised. 361 | mAdvertiser.stopAdvertising(mAdvCallback); 362 | } 363 | resetStatusViews(); 364 | } 365 | 366 | @Override 367 | public void sendNotificationToDevices(BluetoothGattCharacteristic characteristic) { 368 | boolean indicate = (characteristic.getProperties() 369 | & BluetoothGattCharacteristic.PROPERTY_INDICATE) 370 | == BluetoothGattCharacteristic.PROPERTY_INDICATE; 371 | for (BluetoothDevice device : mBluetoothDevices) { 372 | // true for indication (acknowledge) and false for notification (unacknowledge). 373 | mGattServer.notifyCharacteristicChanged(device, characteristic, indicate); 374 | } 375 | } 376 | 377 | private void resetStatusViews() { 378 | mAdvStatus.setText(R.string.status_notAdvertising); 379 | updateConnectedDevicesStatus(); 380 | } 381 | 382 | private void updateConnectedDevicesStatus() { 383 | final String message = getString(R.string.status_devicesConnected) + " " 384 | + mBluetoothManager.getConnectedDevices(BluetoothGattServer.GATT).size(); 385 | runOnUiThread(new Runnable() { 386 | @Override 387 | public void run() { 388 | mConnectionStatus.setText(message); 389 | } 390 | }); 391 | } 392 | 393 | /////////////////////// 394 | ////// Bluetooth ////// 395 | /////////////////////// 396 | public static BluetoothGattDescriptor getClientCharacteristicConfigurationDescriptor() { 397 | BluetoothGattDescriptor descriptor = new BluetoothGattDescriptor( 398 | CLIENT_CHARACTERISTIC_CONFIGURATION_UUID, 399 | (BluetoothGattDescriptor.PERMISSION_READ | BluetoothGattDescriptor.PERMISSION_WRITE)); 400 | descriptor.setValue(new byte[]{0, 0}); 401 | return descriptor; 402 | } 403 | 404 | public static BluetoothGattDescriptor getCharacteristicUserDescriptionDescriptor(String defaultValue) { 405 | BluetoothGattDescriptor descriptor = new BluetoothGattDescriptor( 406 | CHARACTERISTIC_USER_DESCRIPTION_UUID, 407 | (BluetoothGattDescriptor.PERMISSION_READ | BluetoothGattDescriptor.PERMISSION_WRITE)); 408 | try { 409 | descriptor.setValue(defaultValue.getBytes("UTF-8")); 410 | } finally { 411 | return descriptor; 412 | } 413 | } 414 | 415 | private void ensureBleFeaturesAvailable() { 416 | if (mBluetoothAdapter == null) { 417 | Toast.makeText(this, R.string.bluetoothNotSupported, Toast.LENGTH_LONG).show(); 418 | Log.e(TAG, "Bluetooth not supported"); 419 | finish(); 420 | } else if (!mBluetoothAdapter.isEnabled()) { 421 | // Make sure bluetooth is enabled. 422 | Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); 423 | startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT); 424 | } 425 | } 426 | private void disconnectFromDevices() { 427 | Log.d(TAG, "Disconnecting devices..."); 428 | for (BluetoothDevice device : mBluetoothManager.getConnectedDevices( 429 | BluetoothGattServer.GATT)) { 430 | Log.d(TAG, "Devices: " + device.getAddress() + " " + device.getName()); 431 | mGattServer.cancelConnection(device); 432 | } 433 | } 434 | } 435 | -------------------------------------------------------------------------------- /app/src/main/java/io/github/webbluetoothcg/bletestperipheral/Peripherals.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2015 Google Inc. All rights reserved. 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package io.github.webbluetoothcg.bletestperipheral; 18 | 19 | import android.app.ListActivity; 20 | import android.content.Intent; 21 | import android.os.Bundle; 22 | import android.view.View; 23 | import android.widget.ArrayAdapter; 24 | import android.widget.ListView; 25 | 26 | 27 | public class Peripherals extends ListActivity { 28 | 29 | private static final String[] PERIPHERALS_NAMES = new String[]{"Battery", "Heart Rate Monitor", "Health Thermometer"}; 30 | public final static String EXTRA_PERIPHERAL_INDEX = "PERIPHERAL_INDEX"; 31 | 32 | @Override 33 | protected void onCreate(Bundle savedInstanceState) { 34 | super.onCreate(savedInstanceState); 35 | setContentView(R.layout.activity_peripherals_list); 36 | ArrayAdapter adapter = new ArrayAdapter<>(this, 37 | /* layout for the list item */ android.R.layout.simple_list_item_1, 38 | /* id of the TextView to use */ android.R.id.text1, 39 | /* values for the list */ PERIPHERALS_NAMES); 40 | setListAdapter(adapter); 41 | } 42 | 43 | @Override 44 | protected void onListItemClick(ListView l, View v, int position, long id) { 45 | super.onListItemClick(l, v, position, id); 46 | 47 | Intent intent = new Intent(this, Peripheral.class); 48 | intent.putExtra(EXTRA_PERIPHERAL_INDEX, position); 49 | startActivity(intent); 50 | } 51 | 52 | } 53 | -------------------------------------------------------------------------------- /app/src/main/java/io/github/webbluetoothcg/bletestperipheral/ServiceFragment.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2015 Google Inc. All rights reserved. 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package io.github.webbluetoothcg.bletestperipheral; 18 | 19 | import android.app.Fragment; 20 | import android.bluetooth.BluetoothGattCharacteristic; 21 | import android.bluetooth.BluetoothGattDescriptor; 22 | import android.bluetooth.BluetoothGattService; 23 | import android.os.ParcelUuid; 24 | 25 | public abstract class ServiceFragment extends Fragment{ 26 | public abstract BluetoothGattService getBluetoothGattService(); 27 | public abstract ParcelUuid getServiceUUID(); 28 | 29 | /** 30 | * Function to communicate to the ServiceFragment that a device wants to write to a 31 | * characteristic. 32 | * 33 | * The ServiceFragment should check that the value being written is valid and 34 | * return a code appropriately. The ServiceFragment should update the UI to reflect the change. 35 | * @param characteristic Characteristic to write to 36 | * @param value Value to write to the characteristic 37 | * @return {@link android.bluetooth.BluetoothGatt#GATT_SUCCESS} if the write operation 38 | * was completed successfully. See {@link android.bluetooth.BluetoothGatt} for GATT return codes. 39 | */ 40 | public int writeCharacteristic(BluetoothGattCharacteristic characteristic, int offset, byte[] value) { 41 | throw new UnsupportedOperationException("Method writeCharacteristic not overridden"); 42 | }; 43 | 44 | /** 45 | * Function to notify to the ServiceFragment that a device has disabled notifications on a 46 | * CCC descriptor. 47 | * 48 | * The ServiceFragment should update the UI to reflect the change. 49 | * @param characteristic Characteristic written to 50 | */ 51 | public void notificationsDisabled(BluetoothGattCharacteristic characteristic) { 52 | throw new UnsupportedOperationException("Method notificationsDisabled not overridden"); 53 | }; 54 | 55 | /** 56 | * Function to notify to the ServiceFragment that a device has enabled notifications on a 57 | * CCC descriptor. 58 | * 59 | * The ServiceFragment should update the UI to reflect the change. 60 | * @param characteristic Characteristic written to 61 | * @param indicate Boolean that says if it's indicate or notify. 62 | */ 63 | public void notificationsEnabled(BluetoothGattCharacteristic characteristic, boolean indicate) { 64 | throw new UnsupportedOperationException("Method notificationsEnabled not overridden"); 65 | }; 66 | 67 | /** 68 | * This interface must be implemented by activities that contain a ServiceFragment to allow an 69 | * interaction in the fragment to be communicated to the activity. 70 | */ 71 | public interface ServiceFragmentDelegate { 72 | void sendNotificationToDevices(BluetoothGattCharacteristic characteristic); 73 | } 74 | } 75 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/battery_icon.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 23 | 26 | 27 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_peripherals.xml: -------------------------------------------------------------------------------- 1 | 16 | 26 | 34 | 41 | 42 | 51 | 58 | 59 | 64 | 65 | 66 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_peripherals_list.xml: -------------------------------------------------------------------------------- 1 | 16 | 23 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /app/src/main/res/layout/fragment_battery.xml: -------------------------------------------------------------------------------- 1 | 16 | 17 | 22 | 24 | 31 | 38 | 43 | 48 | 56 | 57 |