add Find Me Profile (FMP) support

app/src/main/java/io/github/webbluetoothcg/bletestperipheral/ImmediateAlertServiceFragment.java

@@ -0,0 +1,145 @@
+/*
+ * Copyright 2015 Google Inc. All rights reserved.
+ *
+ * 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 io.github.webbluetoothcg.bletestperipheral;
+
+import android.app.Activity;
+import android.bluetooth.BluetoothGatt;
+import android.bluetooth.BluetoothGattCharacteristic;
+import android.bluetooth.BluetoothGattService;
+import android.os.Bundle;
+import android.os.ParcelUuid;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.TextView;
+
+import java.util.UUID;
+
+
+public class ImmediateAlertServiceFragment extends ServiceFragment {
+
+  private static final byte NO_ALERT = 0x00;
+  private static final byte MILD_ALERT = 0x01;
+  private static final byte HIGH_ALERT = 0x02;
+
+  private static final String TAG = ImmediateAlertServiceFragment.class.getCanonicalName();
+
+  private static final UUID IMMEDIATE_ALERT_SERVICE_UUID = UUID
+      .fromString("00001802-0000-1000-8000-00805f9b34fb");
+
+  private static final UUID ALERT_LEVEL_UUID = UUID
+      .fromString("00002A06-0000-1000-8000-00805f9b34fb");
+
+  private ServiceFragmentDelegate mDelegate;
+
+  // GATT
+  private BluetoothGattService mImmediateAlertService;
+  private BluetoothGattCharacteristic mBatteryLevelCharacteristic;
+  private TextView textView_receivedValue;
+
+  public ImmediateAlertServiceFragment() {
+    mBatteryLevelCharacteristic =
+        new BluetoothGattCharacteristic(ALERT_LEVEL_UUID,
+            BluetoothGattCharacteristic.PROPERTY_WRITE_NO_RESPONSE,
+            BluetoothGattCharacteristic.PERMISSION_WRITE);
+
+    mBatteryLevelCharacteristic.addDescriptor(
+        Peripheral.getClientCharacteristicConfigurationDescriptor());
+
+    mImmediateAlertService = new BluetoothGattService(IMMEDIATE_ALERT_SERVICE_UUID,
+        BluetoothGattService.SERVICE_TYPE_PRIMARY);
+    mImmediateAlertService.addCharacteristic(mBatteryLevelCharacteristic);
+  }
+
+  // Lifecycle callbacks
+  @Override
+  public View onCreateView(LayoutInflater inflater, ViewGroup container,
+      Bundle savedInstanceState) {
+
+    View view = inflater.inflate(R.layout.fragment_immediate_alert, container, false);
+
+    textView_receivedValue = (TextView) view.findViewById(R.id.textView_receivedValue);
+
+    return view;
+  }
+
+  @Override
+  public void onAttach(Activity activity) {
+    super.onAttach(activity);
+    try {
+      mDelegate = (ServiceFragmentDelegate) activity;
+    } catch (ClassCastException e) {
+      throw new ClassCastException(activity.toString()
+          + " must implement ServiceFragmentDelegate");
+    }
+  }
+
+  @Override
+  public void onDetach() {
+    super.onDetach();
+    mDelegate = null;
+  }
+
+  public BluetoothGattService getBluetoothGattService() {
+    return mImmediateAlertService;
+  }
+
+  @Override
+  public ParcelUuid getServiceUUID() {
+    return new ParcelUuid(IMMEDIATE_ALERT_SERVICE_UUID);
+  }
+
+  @Override
+  public int writeCharacteristic(BluetoothGattCharacteristic characteristic, int offset, byte[] value) {
+    //Log.v(TAG, "write Characteristic " + characteristic.getUuid() + " value " + value[0]);
+    /**
+     * https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.alert_level.xml
+     *
+     * The value of the characteristic shall be an unsigned 8 bit integer that has a fixed point
+     * exponent of 0. The Alert Level characteristic defines the level of alert, and is one of the
+     * following three values:
+     *
+     * Value 0, meaning “No Alert”
+     * Value 1, meaning “Mild Alert”
+     * Value 2, meaning “High Alert”
+     *
+     */
+    final byte alertLevel = value[0];
+
+    getActivity().runOnUiThread(new Runnable() {
+      @Override
+      public void run() {
+        textView_receivedValue.setText(String.valueOf(alertLevel));
+      }
+    });
+
+    switch (alertLevel){
+      case NO_ALERT:
+      case MILD_ALERT:
+      case HIGH_ALERT:
+        return BluetoothGatt.GATT_SUCCESS;
+        //break;
+
+      default:
+        return BluetoothGatt.GATT_WRITE_NOT_PERMITTED;
+        //break;
+    }
+  }
+}

app/src/main/java/io/github/webbluetoothcg/bletestperipheral/Peripheral.java

@@ -210,6 +210,8 @@ protected void onCreate(Bundle savedInstanceState) {
         mCurrentServiceFragment = new BatteryServiceFragment();
       } else if (peripheralIndex == 1) {
         mCurrentServiceFragment = new HeartRateServiceFragment();
+      } else if (peripheralIndex == 2) {
+        mCurrentServiceFragment = new ImmediateAlertServiceFragment();
       } else {
         Log.wtf(TAG, "Service doesn't exist");
       }

app/src/main/java/io/github/webbluetoothcg/bletestperipheral/Peripherals.java

@@ -27,7 +27,7 @@
 public class Peripherals extends ListActivity {
 
   // TODO(g-ortuno): Implement heart rate monitor peripheral
-  private static final String[] PERIPHERALS_NAMES = new String[]{"Battery", "Heart Rate Monitor"};
+  private static final String[] PERIPHERALS_NAMES = new String[]{"Battery", "Heart Rate Monitor", "Find Me Target"};
   public final static String EXTRA_PERIPHERAL_INDEX = "PERIPHERAL_INDEX";
 
   @Override

app/src/main/res/layout/fragment_immediate_alert.xml

@@ -0,0 +1,37 @@
+<!--
+  Copyright 2015 Google Inc. All rights reserved.
+
+  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.
+-->
+<!-- TODO(g-ortuno): Remove FragmentLayout since it's not necessary -->
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+             xmlns:tools="http://schemas.android.com/tools"
+             android:layout_width="match_parent"
+             android:layout_height="match_parent"
+             tools:context="io.github.webbluetoothcg.bletestperipheral.BatteryServiceFragment">
+    <TextView
+        android:id="@+id/textView_serviceName"
+        android:text="@string/ImmediateAlertService_name"
+        android:textAppearance="@style/subheader"
+        android:gravity="center_vertical"
+        android:layout_width="wrap_content"
+        android:layout_height="48dp"/>
+
+    <TextView
+        android:id="@+id/textView_receivedValue"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textAppearance="?android:attr/textAppearanceLarge"
+        android:text="Large Text"
+        android:layout_gravity="center" />
+</FrameLayout>

app/src/main/res/values/strings.xml

@@ -44,6 +44,9 @@
     <string name="batteryLevelTooHigh">Batter Level shouldn\'t exceed 100</string>
     <string name="batteryLevelIncorrect">Please enter a number between 0 and 100</string>
 
+    <!-- Battery Service -->
+    <string name="ImmediateAlertService_name">Immediate Alert Service</string>
+
     <!-- Hear Rate Service -->
     <string name="label_bodySensorLocation">Body Sensor Location</string>
     <string name="heartRateServiceName">Heart Rate Service</string>