Working Android version using Blessed library.
This commit is contained in:
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267
BleConnect.java
267
BleConnect.java
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@ -1,267 +0,0 @@
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package st.wow.git.ble;
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import java.lang.Runnable;
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import java.lang.String;
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import java.util.List;
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import java.util.UUID;
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import android.util.Log;
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import java.lang.Class;
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import java.lang.ClassLoader;
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import java.lang.reflect.Constructor;
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import android.app.Activity;
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import android.app.Fragment;
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import android.os.Handler;
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import android.bluetooth.BluetoothAdapter;
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import android.bluetooth.BluetoothDevice;
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import android.bluetooth.BluetoothGatt;
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import android.bluetooth.BluetoothGattCallback;
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import android.bluetooth.BluetoothGattDescriptor;
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import android.bluetooth.BluetoothGattService;
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import android.bluetooth.BluetoothGattCharacteristic;
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import android.bluetooth.BluetoothManager;
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import android.bluetooth.BluetoothProfile;
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import android.content.BroadcastReceiver;
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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.pm.PackageManager;
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import android.Manifest;
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public class BleConnect extends Fragment {
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BluetoothManager manager;
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BluetoothAdapter adapter;
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Handler handler;
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boolean wantScan = false;
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final int PERMISSION_REQUEST = 1;
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final int REQUEST_ENABLE_BT = 1;
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public BleConnect() {
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Log.d("gio", "BleConnect()");
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}
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@Override public void onAttach(Context ctx) {
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super.onAttach(ctx);
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Log.d("gio", "BleConnect: onAttach()");
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ctx.registerReceiver(receiver, new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED));
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manager = (BluetoothManager) ctx.getSystemService(ctx.BLUETOOTH_SERVICE);
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adapter = manager.getAdapter();
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handler = new Handler(ctx.getMainLooper());
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if (!enabled()) {
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Log.d("gio", "BleConnect: enabling adapter");
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Intent enableBtIntent = new Intent(adapter.ACTION_REQUEST_ENABLE);
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handler.post(new Runnable() {
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public void run() {
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startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
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}
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});
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} else {
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Log.d("gio", "BleConnect: adapter is enabled");
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}
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if (ctx.checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
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requestPermissions(new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, PERMISSION_REQUEST);
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}
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installComplete(this);
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}
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public boolean enabled() {
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return (adapter != null && adapter.isEnabled());
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}
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private final BroadcastReceiver receiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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Log.d("gio", "Received broadcast");
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if (intent.getAction().equals(BluetoothAdapter.ACTION_STATE_CHANGED)) {
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updateState(intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, -1));
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}
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}
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};
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@Override
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public void onDestroy() {
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Log.d("gio","onDestroy()");
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stopScan();
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getContext().unregisterReceiver(receiver);
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super.onDestroy();
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}
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private final BluetoothAdapter.LeScanCallback scanCallback = new BluetoothAdapter.LeScanCallback() {
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public void onLeScan(final BluetoothDevice dev, int rssi, byte[] scanRecord) {
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Log.d("gio","onLeScan(): " + dev.getName());
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onScan(dev.getName(), dev.getAddress(), rssi, dev);
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}
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};
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public void scan() {
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if (!enabled() || getContext().checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
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Log.d("gio","BleConnect: scan() not enabled or no permissions, wantScan = true");
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wantScan = true;
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return;
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}
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Log.d("gio","BleConnect: scan() starting scan");
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wantScan = false;
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handler.post(new Runnable() {
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public void run() {
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adapter.startLeScan(scanCallback);
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}
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});
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}
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public void stopScan() {
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if (!enabled()) {
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return;
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}
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Log.d("gio", "Stop scan");
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handler.post(new Runnable() {
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public void run() {
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adapter.stopLeScan(scanCallback);
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}
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});
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}
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private final BluetoothGattCallback gattCallback = new BluetoothGattCallback() {
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@Override
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public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {
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switch (newState) {
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case BluetoothProfile.STATE_CONNECTED: {
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BluetoothDevice device = gatt.getDevice();
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Log.d("gio", "Connected");
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String addr = device.getAddress();
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Log.d("gio", "Address = " + addr);
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onConnect(gatt, device.getAddress());
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break;
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}
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case BluetoothProfile.STATE_DISCONNECTED: {
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Log.d("gio", "Disconnected");
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break;
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}
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default: {
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Log.d("gio", "onConnectionStateChange: unknown state");
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break;
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}
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}
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}
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public void onServicesDiscovered(BluetoothGatt gatt, int status) {
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for (BluetoothGattService serv : gatt.getServices()) {
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onDiscoverService(gatt.getDevice().getAddress(), serv.getUuid().toString(), serv);
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}
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}
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public void onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic chr) {
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byte[] v = chr.getValue();
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characteristicChanged(gatt.getDevice().getAddress(), chr.getUuid().toString(), chr, v, v.length);
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}
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};
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public void connect(BluetoothDevice dev) {
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if (dev == null) {
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return;
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}
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Log.d("gio","BleConnect: connect");
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handler.post(new Runnable() {
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public void run() {
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dev.connectGatt(getContext(), false, gattCallback, BluetoothDevice.TRANSPORT_LE);
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}
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});
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}
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public void disconnect(BluetoothGatt gatt) {
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if (gatt == null) {
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return;
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}
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Log.d("gio","BleConnect: disconnect");
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handler.post(new Runnable() {
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public void run() {
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gatt.disconnect();
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}
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});
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}
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public void discoverServices(BluetoothGatt gatt) {
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if (gatt == null) {
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return;
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}
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handler.post(new Runnable() {
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public void run() {
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gatt.discoverServices();
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}
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});
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}
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public void discoverCharacteristics(BluetoothGatt gatt, BluetoothGattService serv) {
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Log.d("gio","BleConnect: discoverCharacteristics()");
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if (gatt == null) {
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Log.d("gio","BleConnect: gatt == null");
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return;
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}
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List<BluetoothGattCharacteristic> chrs = serv.getCharacteristics();
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if (chrs.isEmpty()) {
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Log.d("gio", "BleConnect: no characteristics found!");
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}
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for (BluetoothGattCharacteristic chr : chrs) {
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Log.d("gio","BleConnect: -- " + chr.getUuid().toString());
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onDiscoverCharacteristic(gatt.getDevice().getAddress(), serv.getUuid().toString(), serv, chr.getUuid().toString(), chr);
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}
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}
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public void setCharacteristicNotification(BluetoothGatt gatt, BluetoothGattCharacteristic chr) {
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gatt.setCharacteristicNotification(chr, true);
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BluetoothGattDescriptor descriptor = chr.getDescriptor(UUID.fromString("00002902-0000-1000-8000-00805f9b34fb")); // Client Characteristic Config
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descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
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gatt.writeDescriptor(descriptor);
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}
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@Override public void onActivityResult(int requestCode, int resultCode, Intent data) {
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Log.d("gio", "BleConnect: onActivityResult()");
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if (requestCode == REQUEST_ENABLE_BT) {
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Log.d("gio", "BleConnect: onActivityResult() REQUEST_ENABLE_BT");
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switch (resultCode) {
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case Activity.RESULT_OK: {
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Log.d("gio", "BleConnect: onActivityResult() -- OK");
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if (wantScan) {
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scan();
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}
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break;
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}
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case Activity.RESULT_CANCELED: {
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Log.d("gio", "BleConnect: onActivityResult() -- Cancelled");
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break;
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}
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}
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}
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}
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@Override
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public void onRequestPermissionsResult (int requestCode, String[] permissions, int[] grantResults) {
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Log.d("gio", "BleConnect: onRequestPermissionsResult");
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if (requestCode == PERMISSION_REQUEST) {
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boolean granted = true;
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for (int x : grantResults) {
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if (x == PackageManager.PERMISSION_DENIED) {
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granted = false;
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break;
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}
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}
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if (!granted) {
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Log.d("gio", "BleConnect: permissions not granted");
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return;
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}
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Log.d("gio", "BleConnect: permissions granted");
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if (wantScan) {
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scan();
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}
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}
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}
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static private native void installComplete(BleConnect p);
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static private native void updateState(int s);
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static private native void onScan(String name, String id, int rssi, BluetoothDevice dev);
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static private native void onConnect(BluetoothGatt gatt, String id);
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static private native void onDiscoverService(String id, String uuid, BluetoothGattService serv);
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static private native void onDiscoverCharacteristic(String id, String suuid, BluetoothGattService serv, String cuuid, BluetoothGattCharacteristic chr);
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static private native void characteristicChanged(String id, String cuuid, BluetoothGattCharacteristic chr, byte[] value, int length);
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}
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@ -18,8 +18,6 @@ import android.content.Intent;
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import android.content.IntentFilter;
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import android.content.pm.PackageManager;
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import android.Manifest;
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import android.os.Handler;
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import android.os.HandlerThread;
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import android.util.Log;
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import com.welie.blessed.BluetoothCentral;
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@ -45,11 +43,7 @@ public class BlessedConnect extends Fragment {
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if (ctx.checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
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requestPermissions(new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, PERMISSION_REQUEST);
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}
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Log.d("gio", "BlessedConnect: creating HandlerThread");
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HandlerThread thread = new HandlerThread("Bluetooth Thread");
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thread.start();
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Handler handler = new Handler(thread.getLooper());
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central = new BluetoothCentral(ctx, centralCallback, handler);
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central = new BluetoothCentral(ctx, centralCallback, null);
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installComplete(this);
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}
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@ -67,9 +61,8 @@ thread.start();
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Context ctx = getContext();
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//The Blessed library does not expose this functionality, so
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//we need to get our own BluetoothAdapter and check its status.
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//BluetoothAdapter adapter = ((BluetoothManager)ctx.getSystemService(ctx.BLUETOOTH_SERVICE)).getAdapter();
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//return (adapter != null && adapter.isEnabled());
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return true;
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BluetoothAdapter adapter = ((BluetoothManager)ctx.getSystemService(ctx.BLUETOOTH_SERVICE)).getAdapter();
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return (adapter != null && adapter.isEnabled());
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}
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@Override
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@ -81,12 +74,14 @@ thread.start();
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}
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public void scan() {
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Log.d("gio", "BlessedConnect: Scan");
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if (enabled()) {
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central.scanForPeripherals();
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} else {
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wantScan = true;
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}
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}
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public void stopScan() {
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Log.d("gio", "BlessedConnect: Stop scan");
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central.stopScan();
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}
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@ -117,7 +112,6 @@ thread.start();
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@Override
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public void onScanFailed(int errorCode) {
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Log.d("gio", "BlessedConnect: Scan failed");
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}
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};
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@ -135,20 +129,15 @@ thread.start();
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public void onBondLost(BluetoothPeripheral peripheral) {
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Log.d("gio", "BlessedConnect: onBondLost()");
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}
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public void onCharacteristicUpdate(BluetoothPeripheral peripheral, byte[] value, BluetoothGattCharacteristic characteristic) {
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public void onCharacteristicUpdate(BluetoothPeripheral peripheral, byte[] value, BluetoothGattCharacteristic characteristic, int status) {
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Log.d("gio", "BlessedConnect: onCharacteristicUpdate()");
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characteristicChanged(peripheral.getAddress(), characteristic.getUuid().toString(), characteristic, value, value.length);
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}
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public void onCharacteristicWrite(BluetoothPeripheral peripheral, byte[] value, android.bluetooth.BluetoothGattCharacteristic characteristic, int status) {
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Log.d("gio", "onCharacteristicWrite(): " + characteristic.getUuid().toString());
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}
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public void onDescriptorRead(BluetoothPeripheral peripheral, byte[] value, android.bluetooth.BluetoothGattDescriptor descriptor) {
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public void onDescriptorRead(BluetoothPeripheral peripheral, byte[] value, android.bluetooth.BluetoothGattDescriptor descriptor, int status) {
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Log.d("gio", "onDescriptorRead()");
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if (value == BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE) {
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Log.d("gio", "onDescriptorRead(): " + descriptor.getUuid().toString() + ": notification enabled");
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} else {
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Log.d("gio", "onDescriptorRead(): " + descriptor.getUuid().toString() + ": notification not enabled");
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}
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}
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public void onDescriptorWrite(BluetoothPeripheral peripheral, byte[] value, android.bluetooth.BluetoothGattDescriptor descriptor, int status) {
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Log.d("gio", "onDescriptorWrite(): " + descriptor.getUuid().toString());
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@ -156,16 +145,13 @@ thread.start();
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public void onMtuChanged(BluetoothPeripheral peripheral, int mtu, int status) {
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Log.d("gio", "onMtuChanged()");
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}
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public void onReadRemoteRssi(BluetoothPeripheral peripheral, int rssi, int status) {
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public void onReadRemoteRssi(BluetoothGatt gatt, int rssi, int status) {
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Log.d("gio", "onReadRemoteRssi");
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}
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public void onNotificationStateUpdate(BluetoothPeripheral peripheral, BluetoothGattCharacteristic characteristic, int status) {
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if (status == BluetoothGatt.GATT_SUCCESS) {
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if(peripheral.isNotifying(characteristic)) {
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Log.i("gio", String.format("BlessedConnect: Notify set to 'on' for %s", characteristic.getUuid()));
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BluetoothGattDescriptor descriptor = characteristic.getDescriptor(UUID.fromString("00002902-0000-1000-8000-00805f9b34fb"));
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Log.d("gio", "Reading descriptor");
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peripheral.readDescriptor(descriptor);
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} else {
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Log.i("gio", String.format("BlessedConnect: Notify set to 'off' for %s", characteristic.getUuid()));
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}
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@ -205,6 +191,9 @@ thread.start();
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}
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public void discoverCharacteristics(BluetoothPeripheral peripheral, BluetoothGattService serv) {
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if (peripheral == null || serv == null) {
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return;
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}
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List<BluetoothGattCharacteristic> chrs = serv.getCharacteristics();
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for (BluetoothGattCharacteristic chr : chrs) {
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onDiscoverCharacteristic(peripheral.getAddress(), serv.getUuid().toString(), serv, chr.getUuid().toString(), chr);
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@ -212,9 +201,15 @@ thread.start();
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}
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public void readCharacteristic(BluetoothPeripheral peripheral, BluetoothGattCharacteristic chr) {
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if (peripheral == null || chr == null) {
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return;
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}
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peripheral.readCharacteristic(chr);
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}
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public boolean setCharacteristicNotification(BluetoothPeripheral peripheral, BluetoothGattCharacteristic chr) {
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if (peripheral == null || chr == null) {
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return false;
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}
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return peripheral.setNotify(chr, true);
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}
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@ -269,4 +264,3 @@ thread.start();
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static private native void onDiscoverCharacteristic(String id, String suuid, BluetoothGattService serv, String cuuid, BluetoothGattCharacteristic chr);
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static private native void characteristicChanged(String id, String cuuid, BluetoothGattCharacteristic chr, byte[] value, int length);
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}
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@ -24,7 +24,7 @@ import "C"
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// Types required for ble.go
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type bleHandle struct {
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BleConnect C.jobject
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BlessedConnect C.jobject
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state int
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}
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@ -131,7 +131,7 @@ func (b *BLE) readyToScan() bool {
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connect()
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var ret bool
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runInJVM(func(env *C.JNIEnv) {
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ret = C.enabled(env, b.handle.BleConnect) == C.JNI_TRUE
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ret = C.enabled(env, b.handle.BlessedConnect) == C.JNI_TRUE
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})
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return ret
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}
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@ -140,7 +140,7 @@ func (b *BLE) readyToScan() bool {
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func (b *BLE) scan() {
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connect()
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runInJVM(func(env *C.JNIEnv) {
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C.scan(env, b.handle.BleConnect);
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C.scan(env, b.handle.BlessedConnect);
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})
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}
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@ -148,14 +148,14 @@ func (b *BLE) scan() {
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func (b *BLE) stopScan() {
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connect()
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runInJVM(func(env *C.JNIEnv) {
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C.stopScan(env, b.handle.BleConnect);
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C.stopScan(env, b.handle.BlessedConnect);
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})
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}
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//connectPeripheral attempts to connect to a Peripheral
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func (b *BLE) connectPeripheral(x Peripheral) {
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runInJVM(func(env *C.JNIEnv) {
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C.connect(env, b.handle.BleConnect, x.peripheral)
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C.connect(env, b.handle.BlessedConnect, x.peripheral)
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})
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}
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@ -163,7 +163,7 @@ func (b *BLE) connectPeripheral(x Peripheral) {
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func (b *BLE) cancelConnection(p Peripheral) {
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connect()
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runInJVM(func(env *C.JNIEnv) {
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||||
C.disconnect(env, b.handle.BleConnect, p.peripheral)
|
||||
C.disconnect(env, b.handle.BlessedConnect, p.peripheral)
|
||||
})
|
||||
}
|
||||
|
||||
|
|
@ -177,12 +177,12 @@ func (b *BLE) knownPeripheral(p Peripheral) (Peripheral, bool) {
|
|||
//DiscoverServices asks a Peripheral for its Services
|
||||
func (p Peripheral) DiscoverServices() {
|
||||
//launch a goroutine because this function calls back directly
|
||||
//from the same thread (underlying Java call is synchronous)
|
||||
//from the same thread (the underlying Java call is synchronous)
|
||||
go func() {
|
||||
connect()
|
||||
log.Printf("discovering services")
|
||||
runInJVM(func(env *C.JNIEnv) {
|
||||
C.discoverServices(env, gBLE.handle.BleConnect, p.peripheral)
|
||||
C.discoverServices(env, gBLE.handle.BlessedConnect, p.peripheral)
|
||||
})
|
||||
}()
|
||||
}
|
||||
|
|
@ -191,23 +191,23 @@ func (p Peripheral) DiscoverServices() {
|
|||
//to a Service
|
||||
func (p Peripheral) DiscoverCharacteristics(serv Service) {
|
||||
//launch a goroutine because this function calls back directly
|
||||
//from the same thread (underlying Java call is synchronous)
|
||||
//from the same thread (the underlying Java call is synchronous)
|
||||
go func() {
|
||||
connect()
|
||||
log.Printf("discovering characteristics")
|
||||
runInJVM(func(env *C.JNIEnv) {
|
||||
C.discoverCharacteristics(env, gBLE.handle.BleConnect, p.peripheral, serv.service)
|
||||
C.discoverCharacteristics(env, gBLE.handle.BlessedConnect, p.peripheral, serv.service)
|
||||
})
|
||||
log.Printf("discovering characteristics done")
|
||||
}()
|
||||
}
|
||||
|
||||
//SetNotifyValue subscribes to a characteristic
|
||||
func (p Peripheral) SetNotifyValue(c Characteristic) {
|
||||
runInJVM(func(env *C.JNIEnv) {
|
||||
C.readCharacteristic(env, gBLE.handle.BleConnect, p.peripheral, c.characteristic)
|
||||
//result := (C.setCharacteristicNotification(env, gBLE.handle.BleConnect, p.peripheral, c.characteristic) == C.JNI_TRUE)
|
||||
//log.Printf("setCharacteristicNotification: %s = %t", c.UUID, result)
|
||||
result := (C.setCharacteristicNotification(env, gBLE.handle.BlessedConnect, p.peripheral, c.characteristic) == C.JNI_TRUE)
|
||||
if (!result) {
|
||||
log.Printf("setCharacteristicNotification: %s failed", c.UUID)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
|
|
@ -236,10 +236,10 @@ func Java_st_wow_git_ble_BlessedConnect_installComplete(env *C.JNIEnv, class C.j
|
|||
if (b == 0) {
|
||||
log.Printf("BlessedConnect object is nil!")
|
||||
}
|
||||
gBLE.handle.BleConnect = (C.NewGlobalRef)(env,b)
|
||||
gBLE.handle.BlessedConnect = (C.NewGlobalRef)(env,b)
|
||||
h := app.PlatformHandle()
|
||||
setJVM(h.JVM)
|
||||
if C.enabled(env, gBLE.handle.BleConnect) == C.JNI_TRUE {
|
||||
if C.enabled(env, gBLE.handle.BlessedConnect) == C.JNI_TRUE {
|
||||
gBLE.handle.state = STATE_ON
|
||||
gBLE.ready = true
|
||||
gBLE.events <- UpdateStateEvent{State: gBLE.stringState()}
|
||||
|
|
@ -384,8 +384,6 @@ func goOnDiscoverCharacteristic(cid, csuuid *C.char, serv C.jobject, ccuuid *C.c
|
|||
func goOnCharacteristicChanged(cid, ccuuid *C.char, char C.jobject, cvalue *C.char, length C.jint) {
|
||||
id := C.GoString(cid)
|
||||
cuuid := C.GoString(ccuuid)
|
||||
log.Printf("goOnCharacteristicChanged: %s", cuuid)
|
||||
log.Printf("goOnCharacteristicChanged: length = %d", length)
|
||||
|
||||
var peripheral Peripheral
|
||||
found := false
|
||||
|
|
|
|||
BIN
blessed-full.jar
BIN
blessed-full.jar
Binary file not shown.
Loading…
Reference in New Issue
Block a user