Louis-Guillaume DUBOIS
9 years ago
8 changed files with 345 additions and 40 deletions
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package fr.centralesupelec.students.clientble; |
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import android.app.Activity; |
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import android.bluetooth.BluetoothGattCharacteristic; |
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import android.bluetooth.BluetoothGattService; |
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import android.content.BroadcastReceiver; |
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import android.content.ComponentName; |
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import android.content.Context; |
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import android.content.Intent; |
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import android.content.IntentFilter; |
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import android.content.ServiceConnection; |
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import android.os.IBinder; |
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import android.os.Bundle; |
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import android.util.Log; |
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import android.view.Menu; |
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import android.view.MenuItem; |
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import android.widget.TextView; |
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public class SimpleDetailActivity extends Activity { |
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private final static String TAG = SimpleDetailActivity.class.getSimpleName(); |
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public static final String EXTRAS_DEVICE_NAME = "DEVICE_NAME"; |
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public static final String EXTRAS_DEVICE_ADDRESS = "DEVICE_ADDRESS"; |
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private TextView mDeviceAddressView; |
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private TextView mConnectionStateView; |
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private TextView mSensorValueView; |
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private String mDeviceName; |
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private String mDeviceAddress; |
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private BluetoothLeService mBluetoothLeService; |
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private boolean mConnected = false; |
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private BluetoothGattCharacteristic mSensorValueCharac; |
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// Code to manage Service lifecycle.
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private final ServiceConnection mServiceConnection = new ServiceConnection() { |
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@Override |
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public void onServiceConnected(ComponentName componentName, IBinder service) { |
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mBluetoothLeService = ((BluetoothLeService.LocalBinder) service).getService(); |
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if (!mBluetoothLeService.initialize()) { |
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Log.e(TAG, "Unable to initialize Bluetooth"); |
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finish(); |
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} |
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// Automatically connects to the device upon successful start-up initialization.
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mBluetoothLeService.connect(mDeviceAddress); |
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} |
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@Override |
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public void onServiceDisconnected(ComponentName componentName) { |
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mBluetoothLeService = null; |
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} |
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}; |
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// Handles various events fired by the Service.
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// ACTION_GATT_CONNECTED: connected to a GATT server.
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// ACTION_GATT_DISCONNECTED: disconnected from a GATT server.
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// ACTION_GATT_SERVICES_DISCOVERED: discovered GATT services.
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// ACTION_DATA_AVAILABLE: received data from the device. This can be a result of read
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// or notification operations.
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private final BroadcastReceiver mGattUpdateReceiver = new BroadcastReceiver() { |
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@Override |
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public void onReceive(Context context, Intent intent) { |
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final String action = intent.getAction(); |
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if (BluetoothLeService.ACTION_GATT_CONNECTED.equals(action)) { |
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mConnected = true; |
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updateConnectionState(R.string.connected); |
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invalidateOptionsMenu(); |
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} else if (BluetoothLeService.ACTION_GATT_DISCONNECTED.equals(action)) { |
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mConnected = false; |
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updateConnectionState(R.string.disconnected); |
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invalidateOptionsMenu(); |
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clearUI(); |
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} else if (BluetoothLeService.ACTION_GATT_SERVICES_DISCOVERED.equals(action)) { |
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// Show all the supported services and characteristics on the user interface.
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Log.d(TAG, "ACTION_GATT_SERVICES_DISCOVERED reçu."); |
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displayValues(); |
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} else if (BluetoothLeService.ACTION_DATA_AVAILABLE.equals(action)) { |
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Log.d(TAG, "ACTION_DATA_AVAILABLE reçu."); |
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final String data = intent.getStringExtra(BluetoothLeService.EXTRA_DATA); |
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Log.d(TAG, data); |
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displayData(data); |
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} |
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} |
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}; |
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private void clearUI() { |
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mSensorValueView.setText(R.string.no_data); |
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} |
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@Override |
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protected void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState); |
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setContentView(R.layout.simple_detail_layout); |
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final Intent intent = getIntent(); |
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mDeviceName = intent.getStringExtra(EXTRAS_DEVICE_NAME); |
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mDeviceAddress = intent.getStringExtra(EXTRAS_DEVICE_ADDRESS); |
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mDeviceAddressView = (TextView) findViewById(R.id.device_address); |
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mDeviceAddressView.setText(mDeviceAddress); |
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mConnectionStateView = (TextView) findViewById(R.id.connection_state); |
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mSensorValueView = (TextView) findViewById(R.id.sensor_value); |
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getActionBar().setTitle(mDeviceName); |
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getActionBar().setDisplayHomeAsUpEnabled(true); |
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Intent gattServiceIntent = new Intent(this, BluetoothLeService.class); |
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bindService(gattServiceIntent, mServiceConnection, BIND_AUTO_CREATE); |
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} |
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@Override |
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protected void onResume() { |
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super.onResume(); |
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registerReceiver(mGattUpdateReceiver, makeGattUpdateIntentFilter()); |
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if (mBluetoothLeService != null) { |
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final boolean result = mBluetoothLeService.connect(mDeviceAddress); |
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Log.d(TAG, "Connect request result=" + result); |
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} |
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} |
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@Override |
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protected void onPause() { |
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super.onPause(); |
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unregisterReceiver(mGattUpdateReceiver); |
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} |
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@Override |
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protected void onDestroy() { |
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super.onDestroy(); |
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unbindService(mServiceConnection); |
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mBluetoothLeService = null; |
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} |
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@Override |
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public boolean onCreateOptionsMenu(Menu menu) { |
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getMenuInflater().inflate(R.menu.gatt_services, menu); |
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if (mConnected) { |
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menu.findItem(R.id.menu_connect).setVisible(false); |
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menu.findItem(R.id.menu_disconnect).setVisible(true); |
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} else { |
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menu.findItem(R.id.menu_connect).setVisible(true); |
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menu.findItem(R.id.menu_disconnect).setVisible(false); |
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} |
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return true; |
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} |
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@Override |
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public boolean onOptionsItemSelected(MenuItem item) { |
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switch(item.getItemId()) { |
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case R.id.menu_connect: |
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mBluetoothLeService.connect(mDeviceAddress); |
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return true; |
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case R.id.menu_disconnect: |
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mBluetoothLeService.disconnect(); |
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return true; |
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case android.R.id.home: |
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onBackPressed(); |
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return true; |
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} |
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return super.onOptionsItemSelected(item); |
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} |
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private void updateConnectionState(final int resourceId) { |
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runOnUiThread(new Runnable() { |
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@Override |
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public void run() { |
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mConnectionStateView.setText(resourceId); |
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} |
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}); |
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} |
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private void displayData(String data) { |
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if (data != null) { |
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mSensorValueView.setText(data); |
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} |
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} |
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private void displayValues() { |
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BluetoothGattService privateService = mBluetoothLeService.getPrivateService(); |
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if (privateService == null) { |
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Log.w(TAG, "Service Gatt privé non détecté."); |
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return; |
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} |
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mSensorValueCharac = |
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privateService.getCharacteristic(SampleGattAttributes.SENSOR_CHARACTERISTIC_UUID); |
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final int charaProp = mSensorValueCharac.getProperties(); |
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mBluetoothLeService.readCharacteristic(mSensorValueCharac); |
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if ((charaProp | BluetoothGattCharacteristic.PROPERTY_NOTIFY) > 0) { |
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Log.d(TAG, "Demande de notification."); |
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mBluetoothLeService.setCharacteristicNotification(mSensorValueCharac, true); |
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} |
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} |
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private static IntentFilter makeGattUpdateIntentFilter() { |
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final IntentFilter intentFilter = new IntentFilter(); |
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intentFilter.addAction(BluetoothLeService.ACTION_GATT_CONNECTED); |
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intentFilter.addAction(BluetoothLeService.ACTION_GATT_DISCONNECTED); |
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intentFilter.addAction(BluetoothLeService.ACTION_GATT_SERVICES_DISCOVERED); |
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intentFilter.addAction(BluetoothLeService.ACTION_DATA_AVAILABLE); |
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return intentFilter; |
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} |
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} |
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@ -0,0 +1,55 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" |
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android:orientation="vertical" android:layout_width="match_parent" |
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android:layout_height="match_parent"> |
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<LinearLayout android:orientation="horizontal" |
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android:layout_width="match_parent" |
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android:layout_height="wrap_content" |
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android:layout_margin="10dp"> |
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<TextView android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:text="@string/label_device_address" |
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android:textSize="18sp"/> |
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<Space android:layout_width="5dp" |
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android:layout_height="wrap_content"/> |
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<TextView android:id="@+id/device_address" |
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android:layout_width="match_parent" |
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android:layout_height="wrap_content" |
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android:textSize="18sp"/> |
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</LinearLayout> |
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<LinearLayout android:orientation="horizontal" |
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android:layout_width="match_parent" |
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android:layout_height="wrap_content" |
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android:layout_margin="10dp"> |
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<TextView android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:text="@string/label_state" |
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android:textSize="18sp"/> |
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<Space android:layout_width="5dp" |
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android:layout_height="wrap_content"/> |
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<TextView android:id="@+id/connection_state" |
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android:layout_width="match_parent" |
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android:layout_height="wrap_content" |
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android:text="@string/disconnected" |
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android:textSize="18sp"/> |
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</LinearLayout> |
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<LinearLayout android:orientation="horizontal" |
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android:layout_width="match_parent" |
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android:layout_height="wrap_content" |
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android:layout_margin="10dp"> |
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<TextView |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:text="@string/label_data" |
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android:textSize="18sp" /> |
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<Space android:layout_width="5dp" |
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android:layout_height="wrap_content"/> |
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<TextView |
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android:id="@+id/sensor_value" |
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android:layout_width="match_parent" |
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android:layout_height="wrap_content" |
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android:textSize="18sp" /> |
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</LinearLayout> |
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</LinearLayout> |
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