@Override
public void onCreate(Bundle savedInstanceState) {
appState = (GlobalVar) getApplicationContext(); // 获得全局变量
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); // 设置成竖屏
super.onCreate(savedInstanceState);
// getActionBar().setTitle(R.string.title_devices);
requestWindowFeature(Window.FEATURE_NO_TITLE); // 去掉title
// mHandler = new Handler();
// Use this check to determine whether BLE is supported on the device. Then you can
// selectively disable BLE-related features.
if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
Toast.makeText(this, R.string.ble_not_supported, Toast.LENGTH_SHORT).show();
finish();
}
// Initializes a Bluetooth adapter. For API level 18 and above, get a reference to
// BluetoothAdapter through BluetoothManager.
final BluetoothManager bluetoothManager =
(BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
mBluetoothAdapter = bluetoothManager.getAdapter();
appState.BluetoothAdapter = mBluetoothAdapter;
// Checks if Bluetooth is supported on the device.
if (mBluetoothAdapter == null) {
Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show();
finish();
return;
}
// 开启蓝牙
mBluetoothAdapter.enable();
mBLE_reciv = new BluetoothLeClassDianzichen(this);
appState.mBLE_reciv_dianzichen = mBLE_reciv;
// appState.init_BluetoothLeClassDianzichen();
if (!mBLE_reciv.initialize()) {
Log.e(TAG, "Unable to initialize Bluetooth");
finish();
}
// 发现BLE终端的Service时回调
mBLE_reciv.setOnServiceDiscoverListener(mOnServiceDiscover);
// 收到BLE终端数据交互的事件
mBLE_reciv.setOnDataAvailableListener(mOnDataAvailable);
mBLE_send = new BluetoothLeClassDianzichen(this);
appState.mBLE_send_dianzichen = mBLE_send;
if (!appState.mBLE_send_dianzichen.initialize()) {
Log.e(TAG, "Unable to initialize Bluetooth");
finish();
}
// 发现BLE终端的Service时回调
mBLE_send.setOnServiceDiscoverListener(mOnServiceDiscover);
// 收到BLE终端数据交互的事件
mBLE_send.setOnDataAvailableListener(mOnDataAvailable);
}
@Override
protected void onDestroy() {
super.onDestroy();
scanLeDevice(false);
mLeDeviceListAdapter.clear();
mBLE_send.disconnect();
mBLE_reciv.disconnect();
mBLE_send.close();
mBLE_reciv.close();
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
final BluetoothDevice device = mLeDeviceListAdapter.getDevice(position);
if (device == null) return;
if (mScanning) {
mBluetoothAdapter.stopLeScan(mLeScanCallback);
mScanning = false;
}
appState.deviceAddress = device.getAddress();
mBLE_reciv.connect(device.getAddress());
mBLE_send.connect(device.getAddress());
}
private void displayGattServices(List<BluetoothGattService> gattServices) {
if (gattServices == null) return;
for (BluetoothGattService gattService : gattServices) {
// -----Service的字段信息-----//
int type = gattService.getType();
Log.e(TAG, "-->service type:" + Utils.getServiceType(type));
Log.e(TAG, "-->includedServices size:" + gattService.getIncludedServices().size());
Log.e(TAG, "-->service uuid:" + gattService.getUuid());
// -----Characteristics的字段信息-----//
List<BluetoothGattCharacteristic> gattCharacteristics = gattService.getCharacteristics();
for (final BluetoothGattCharacteristic gattCharacteristic : gattCharacteristics) {
Log.e(TAG, "---->char uuid:" + gattCharacteristic.getUuid());
int permission = gattCharacteristic.getPermissions();
Log.e(TAG, "---->char permission:" + Utils.getCharPermission(permission));
int property = gattCharacteristic.getProperties();
Log.e(TAG, "---->char property:" + Utils.getCharPropertie(property));
byte[] data = gattCharacteristic.getValue();
if (data != null && data.length > 0) {
Log.e(TAG, "---->char value:" + Utils.bytesToHexString(data));
}
if (gattService.getUuid().toString().equals(UUID_KEY_SERVICE)) { // 如果是温度计的service
// UUID_KEY_DATA是可以跟蓝牙模块串口通信的Characteristic
if (gattCharacteristic.getUuid().toString().equals(UUID_KEY_DATA_RECIV)) {
// 测试读取当前Characteristic数据，会触发mOnDataAvailable.onCharacteristicRead()
mHandler.postDelayed(
new Runnable() {
@Override
public void run() {
mBLE_reciv.readCharacteristic(gattCharacteristic);
}
},
500);
// 接受Characteristic被写的通知,收到蓝牙模块的数据后会触发mOnDataAvailable.onCharacteristicWrite()
mBLE_reciv.setCharacteristicNotification(gattCharacteristic, true);
BluetoothGattDescriptor localBluetoothGattDescriptor =
gattCharacteristic.getDescriptor(UUID.fromString(CCC));
localBluetoothGattDescriptor.setValue(
BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
mBluetoothGatt.writeDescriptor(localBluetoothGattDescriptor);
appState.gattCharacteristic_reciv_dianzichen = gattCharacteristic;
// 设置数据内容
// gattCharacteristic.setValue("0");
// 往蓝牙模块写入数据
// appState.mBLE_reciv_dianzichen.writeCharacteristic(gattCharacteristic);
}
// UUID_KEY_DATA是可以跟蓝牙模块串口通信的Characteristic
if (gattCharacteristic.getUuid().toString().equals(UUID_KEY_DATA_SEND)) {
// 测试读取当前Characteristic数据，会触发mOnDataAvailable.onCharacteristicRead()
mHandler.postDelayed(
new Runnable() {
@Override
public void run() {
mBLE_send.readCharacteristic(gattCharacteristic);
// Log.i("info", "appState.mBLE_send_dianzichen 尝试读数据");
}
},
500);
// 接受Characteristic被写的通知,收到蓝牙模块的数据后会触发mOnDataAvailable.onCharacteristicWrite()
mBLE_send.setCharacteristicNotification(gattCharacteristic, true);
// 设置数据内容
// gattCharacteristic.setValue("send data->");
// 往蓝牙模块写入数据
// mBLE_send.writeCharacteristic(gattCharacteristic);
if (!appState.firstActivityRunning) {
appState.gattCharacteristic_send_dianzichen = gattCharacteristic;
appState.file.write2SDFromInput("inurse/", "Dianzichen.txt", appState.deviceAddress);
Intent it = new Intent(this, DianzichenActivity.class);
startActivityForResult(it, 0); // 配合onActivityResult，当FirstActivity退出时获得一个0值，然后自己也退出
// moveTaskToBack(true); //这一句是整个程序返回桌面
appState.firstActivityRunning = true;
}
}
} // 结束 if ( gattService.getUuid().toString().equals(UUID_KEY_SERVICE) )
// -----Descriptors的字段信息-----//
List<BluetoothGattDescriptor> gattDescriptors = gattCharacteristic.getDescriptors();
for (BluetoothGattDescriptor gattDescriptor : gattDescriptors) {
Log.e(TAG, "-------->desc uuid:" + gattDescriptor.getUuid());
int descPermission = gattDescriptor.getPermissions();
Log.e(TAG, "-------->desc permission:" + Utils.getDescPermission(descPermission));
byte[] desData = gattDescriptor.getValue();
if (desData != null && desData.length > 0) {
Log.e(TAG, "-------->desc value:" + Utils.bytesToHexString(data));
}
// soloman 接收的uuid要设置CCC通知enable，并回写到BluetoothGatt
// if (gattDescriptor.getUuid().toString().equals(CCC)){
// gattDescriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
// mBluetoothGatt.writeDescriptor(gattDescriptor);
// }
}
}
} //
}
@Override
public void onServiceDiscover(BluetoothGatt gatt) {
mBluetoothGatt = gatt; // 搜索到服务后，给全局bluetoothgatt赋值
displayGattServices(mBLE_send.getSupportedGattServices());
displayGattServices(mBLE_reciv.getSupportedGattServices());
}