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.google/packaging.yaml

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+
+# GOOGLE SAMPLE PACKAGING DATA
+#
+# This file is used by Google as part of our samples packaging process.
+# End users may safely ignore this file. It has no relevance to other systems.
+---
+status:       DRAFT
+technologies: [Android]
+categories:   [Connectivity]
+languages:    [Java]
+solutions:    [Mobile]
+github:       android-BluetoothAdvertisements
+level:        ADVANCED
+icon:         screenshots/icon-web.png
+apiRefs:
+    - android:android.bluetooth.le.BluetoothLeAdvertiser
+    - android:android.bluetooth.le.BluetoothLeScanner
+license: apache2

Application/build.gradle

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+
+buildscript {
+    repositories {
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:1.1.0'
+    }
+}
+
+apply plugin: 'com.android.application'
+
+repositories {
+    jcenter()
+}
+
+dependencies {
+    compile "com.android.support:support-v4:21.0.2"
+    compile "com.android.support:support-v13:21.0.2"
+    compile "com.android.support:cardview-v7:21.0.2"
+}
+
+// The sample build uses multiple directories to
+// keep boilerplate and common code separate from
+// the main sample code.
+List<String> dirs = [
+    'main',     // main sample code; look here for the interesting stuff.
+    'common',   // components that are reused by multiple samples
+    'template'] // boilerplate code that is generated by the sample template process
+
+android {
+    compileSdkVersion 22
+    buildToolsVersion "22.0.1"
+
+    defaultConfig {
+        minSdkVersion 21
+        targetSdkVersion 22
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_7
+        targetCompatibility JavaVersion.VERSION_1_7
+    }
+
+    sourceSets {
+        main {
+            dirs.each { dir ->
+                java.srcDirs "src/${dir}/java"
+                res.srcDirs "src/${dir}/res"
+            }
+        }
+        androidTest.setRoot('tests')
+        androidTest.java.srcDirs = ['tests/src']
+
+    }
+
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

Application/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright 2013 The Android Open Source Project
+
+ 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"
+    package="com.example.android.bluetoothadvertisements"
+    android:versionCode="1"
+    android:versionName="1.0">
+
+    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
+    <uses-permission android:name="android.permission.BLUETOOTH"/>
+
+    <application android:allowBackup="true"
+        android:label="@string/app_name"
+        android:icon="@drawable/ic_launcher"
+        android:theme="@style/AppTheme">
+
+        <activity android:name=".MainActivity"
+                  android:label="@string/app_name">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

Application/src/main/java/com/example/android/bluetoothadvertisements/AdvertiserFragment.java

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+package com.example.android.bluetoothadvertisements;
+
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.le.AdvertiseCallback;
+import android.bluetooth.le.AdvertiseData;
+import android.bluetooth.le.AdvertiseSettings;
+import android.bluetooth.le.BluetoothLeAdvertiser;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Switch;
+import android.widget.Toast;
+
+/**
+ * Allows user to start & stop Bluetooth LE Advertising of their device.
+ */
+public class AdvertiserFragment extends Fragment {
+
+    private BluetoothAdapter mBluetoothAdapter;
+
+    private BluetoothLeAdvertiser mBluetoothLeAdvertiser;
+
+    private AdvertiseCallback mAdvertiseCallback;
+
+    private Switch mSwitch;
+
+    /**
+     * Must be called after object creation by MainActivity.
+     *
+     * @param btAdapter the local BluetoothAdapter
+     */
+    public void setBluetoothAdapter(BluetoothAdapter btAdapter) {
+        this.mBluetoothAdapter = btAdapter;
+        mBluetoothLeAdvertiser = mBluetoothAdapter.getBluetoothLeAdvertiser();
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setRetainInstance(true);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState) {
+
+        View view = inflater.inflate(R.layout.fragment_advertiser, container, false);
+
+        mSwitch = (Switch) view.findViewById(R.id.advertise_switch);
+        mSwitch.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                onSwitchClicked(v);
+            }
+        });
+
+        return view;
+    }
+
+    @Override
+    public void onStop() {
+        super.onStop();
+
+        if(mAdvertiseCallback != null){
+            stopAdvertising();
+        }
+    }
+
+    /**
+     * Called when switch is toggled - starts or stops advertising.
+     *
+     * @param view is the Switch View object
+     */
+    public void onSwitchClicked(View view) {
+
+        // Is the toggle on?
+        boolean on = ((Switch) view).isChecked();
+
+        if (on) {
+            startAdvertising();
+        } else {
+            stopAdvertising();
+        }
+    }
+
+    /**
+     * Starts BLE Advertising.
+     */
+    private void startAdvertising() {
+
+        mAdvertiseCallback = new SampleAdvertiseCallback();
+
+        if (mBluetoothLeAdvertiser != null) {
+            mBluetoothLeAdvertiser.startAdvertising(buildAdvertiseSettings(), buildAdvertiseData(),
+                    mAdvertiseCallback);
+        } else {
+            mSwitch.setChecked(false);
+            Toast.makeText(getActivity(), getString(R.string.bt_null), Toast.LENGTH_LONG).show();
+        }
+    }
+
+    /**
+     * Stops BLE Advertising.
+     */
+    private void stopAdvertising() {
+
+        if (mBluetoothLeAdvertiser != null) {
+
+            mBluetoothLeAdvertiser.stopAdvertising(mAdvertiseCallback);
+            mAdvertiseCallback = null;
+
+        } else {
+            mSwitch.setChecked(false);
+            Toast.makeText(getActivity(), getString(R.string.bt_null), Toast.LENGTH_LONG).show();
+        }
+    }
+
+    /**
+     * Returns an AdvertiseData object which includes the Service UUID and Device Name.
+     */
+    private AdvertiseData buildAdvertiseData() {
+
+        // Note: There is a strict limit of 31 Bytes on packets sent over BLE Advertisements.
+        // This includes everything put into AdvertiseData including UUIDs, device info, &
+        // arbitrary service or manufacturer data.
+        // Attempting to send packets over this limit will result in a failure with error code
+        // AdvertiseCallback.ADVERTISE_FAILED_DATA_TOO_LARGE. Catch this error in the
+        // onStartFailure() method of an AdvertiseCallback implementation.
+
+        AdvertiseData.Builder dataBuilder = new AdvertiseData.Builder();
+        dataBuilder.addServiceUuid(Constants.Service_UUID);
+        dataBuilder.setIncludeDeviceName(true);
+
+        return dataBuilder.build();
+    }
+
+    /**
+     * Returns an AdvertiseSettings object set to use low power (to help preserve battery life).
+     */
+    private AdvertiseSettings buildAdvertiseSettings() {
+        AdvertiseSettings.Builder settingsBuilder = new AdvertiseSettings.Builder();
+        settingsBuilder.setAdvertiseMode(AdvertiseSettings.ADVERTISE_MODE_LOW_POWER);
+
+        return settingsBuilder.build();
+    }
+
+    /**
+     * Custom callback after Advertising succeeds or fails to start.
+     */
+    private class SampleAdvertiseCallback extends AdvertiseCallback {
+
+        @Override
+        public void onStartFailure(int errorCode) {
+            super.onStartFailure(errorCode);
+
+            mSwitch.setChecked(false);
+
+            String errorMessage = getString(R.string.start_error_prefix);
+            switch (errorCode) {
+                case AdvertiseCallback.ADVERTISE_FAILED_ALREADY_STARTED:
+                    errorMessage += " " + getString(R.string.start_error_already_started);
+                    break;
+                case AdvertiseCallback.ADVERTISE_FAILED_DATA_TOO_LARGE:
+                    errorMessage += " " + getString(R.string.start_error_too_large);
+                    break;
+                case AdvertiseCallback.ADVERTISE_FAILED_FEATURE_UNSUPPORTED:
+                    errorMessage += " " + getString(R.string.start_error_unsupported);
+                    break;
+                case AdvertiseCallback.ADVERTISE_FAILED_INTERNAL_ERROR:
+                    errorMessage += " " + getString(R.string.start_error_internal);
+                    break;
+                case AdvertiseCallback.ADVERTISE_FAILED_TOO_MANY_ADVERTISERS:
+                    errorMessage += " " + getString(R.string.start_error_too_many);
+                    break;
+            }
+
+            Toast.makeText(getActivity(), errorMessage, Toast.LENGTH_LONG).show();
+
+        }
+
+        @Override
+        public void onStartSuccess(AdvertiseSettings settingsInEffect) {
+            super.onStartSuccess(settingsInEffect);
+            // Don't need to do anything here, advertising successfully started.
+        }
+    }
+
+}

Application/src/main/java/com/example/android/bluetoothadvertisements/Constants.java

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+package com.example.android.bluetoothadvertisements;
+
+import android.os.ParcelUuid;
+
+/**
+ * Constants for use in the Bluetooth Advertisements sample
+ */
+public class Constants {
+
+    /**
+     * UUID identified with this app - set as Service UUID for BLE Advertisements.
+     *
+     * Bluetooth requires a certain format for UUIDs associated with Services.
+     * The official specification can be found here:
+     * {@link https://www.bluetooth.org/en-us/specification/assigned-numbers/service-discovery}
+     */
+    public static final ParcelUuid Service_UUID = ParcelUuid
+            .fromString("0000b81d-0000-1000-8000-00805f9b34fb");
+
+    public static final int REQUEST_ENABLE_BT = 1;
+
+}