Partial android implementation, including Enable(), readyToScan(),
scan(), stopScan(), connectPeripheral(), cancelConnection(), and DiscoverServices().
This commit is contained in:
parent
829baedeac
commit
86e724cc8c
1
.gitignore
vendored
1
.gitignore
vendored
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@ -0,0 +1 @@
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Ble.jar
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180
BleConnect.java
Normal file
180
BleConnect.java
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@ -0,0 +1,180 @@
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package st.wow.git.ble;
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import java.lang.Runnable;
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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.BluetoothGattService;
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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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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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Log.d("gio", "BleUtil Enable: adapter");
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adapter = manager.getAdapter();
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if (!enabled()) {
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Log.d("gio", "BleConnect: enabling adapter");
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Handler handler = new Handler(ctx.getMainLooper());
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Intent enableBtIntent = new Intent(adapter.ACTION_REQUEST_ENABLE);
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Log.d("gio", "BleConnect: handler.post");
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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()) {
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return;
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}
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adapter.startLeScan(scanCallback);
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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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adapter.stopLeScan(scanCallback);
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}
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private BluetoothDevice device;
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private BluetoothGatt bluetoothGatt;
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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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if (newState == BluetoothProfile.STATE_CONNECTED) {
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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(device.getAddress());
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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(device.getAddress(), serv.getUuid().toString());
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}
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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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device = dev;
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bluetoothGatt = dev.connectGatt(getContext(), false, gattCallback);
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}
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public void disconnect() {
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device = null;
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if (bluetoothGatt == null) {
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return;
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}
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Log.d("gio","BleConnect: disconnect");
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bluetoothGatt.disconnect();
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}
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public void discoverServices(BluetoothDevice dev) {
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if (bluetoothGatt == null || device == null) {
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return;
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}
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if (!dev.getAddress().equals(device.getAddress())) {
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disconnect();
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return;
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}
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bluetoothGatt.discoverServices();
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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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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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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(String id);
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static private native void onDiscoverService(String id, String uuid);
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}
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BIN
BleUtil.jar
BIN
BleUtil.jar
Binary file not shown.
35
BleUtil.java
35
BleUtil.java
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@ -1,35 +0,0 @@
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package st.wow.git.ble;
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import java.lang.Runnable;
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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.os.Handler;
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import android.bluetooth.BluetoothAdapter;
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import android.bluetooth.BluetoothManager;
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import android.content.Context;
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import android.content.Intent;
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public class BleUtil {
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public void Enable(Context ctx) {
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Log.d("gio", "BleUtil Enable: manager");
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BluetoothManager manager = (BluetoothManager) ctx.getSystemService(ctx.BLUETOOTH_SERVICE);
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Log.d("gio", "BleUtil Enable: adapter");
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BluetoothAdapter ad = (BluetoothAdapter) manager.getAdapter();
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if (ad == null || !ad.isEnabled()) {
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Log.d("gio", "BleUtil Enable: handler");
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Handler handler = new Handler(ctx.getMainLooper());
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//BleEnabler en = new BleEnabler(ctx, ad);
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Log.d("gio", "BleUtil Enable: Intent");
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Intent enableBtIntent = new Intent(ad.ACTION_REQUEST_ENABLE);
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Log.d("gio", "BleUtil Enable: handler.post");
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handler.post(new Runnable() {
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public void run() {
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ctx.startActivity(enableBtIntent);
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}
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});
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}
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}
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}
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2
ble.go
2
ble.go
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@ -2,6 +2,7 @@ package ble
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import (
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"fmt"
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"log"
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"sync"
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"time"
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@ -152,6 +153,7 @@ func (b *BLE) Scan() {
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b.Lock()
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defer b.Unlock()
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if b.readyToScan() {
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log.Printf("ready to scan")
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b.peripherals.Lock()
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b.peripherals.items = b.peripherals.items[:0]
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b.peripherals.Unlock()
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239
ble_android.go
239
ble_android.go
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//go:generate mkdir -p classes
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//go:generate javac -bootclasspath $ANDROID_HOME/platforms/android-29/android.jar -d classes BleUtil.java
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//go:generate jar cf BleUtil.jar -C classes .
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//go:generate javac -bootclasspath $ANDROID_HOME/platforms/android-29/android.jar -d classes BleConnect.java
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//go:generate jar cf Ble.jar -C classes .
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//go:generate rm -rf classes
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package ble
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import (
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"log"
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"sync"
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"gioui.org/app"
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_ "gioui.org/app/permission/bluetooth_le"
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"git.wow.st/gmp/ble/gatt"
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)
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/*
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#include <jni.h>
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#include "jni_android.h"
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*/
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import "C"
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// Types required for ble.go
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type bleState string
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type bleHandle struct {
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adapter C.jobject
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class C.jclass
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BleConnect C.jobject
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state int
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}
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type bleState string
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type Peripheral struct {
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Name string
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RSSI int
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Identifier string
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device C.jobject
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}
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type Service string
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@ -36,32 +41,51 @@ type Characteristic string
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// Internal global variables
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var jvmContext uintptr
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var (
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gBLE *BLE // FIXME: move to lookup tables as in ble_darwin.go?
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installCompleteOnce sync.Once
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waitch chan struct{}
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)
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const (
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STATE_OFF int = 10
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STATE_TURNING_ON = 11
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STATE_ON = 12
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STATE_TURNING_OFF = 13
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)
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func init() {
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waitch = make(chan struct{})
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}
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func connect() {
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<-waitch
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}
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// Functions required by API
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//Init needs to be called before the BLE library can be used. On Android we
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//need to set up the JVM by calling setJVM in jni_android.go.
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func Init() {
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log.Print("ble.Init()")
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h := app.PlatformHandle()
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jvmContext = h.Context
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setJVM(h.JVM, h.Context)
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}
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//peripheralLookup returns a pointer to a BLE struct related to the given
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//Peripheral.
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func peripheralLookup(p Peripheral) *BLE {
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return &BLE{}
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return gBLE
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}
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//newPeripheral creates a new Peripheral struct
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func newPeripheral() Peripheral {
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return Peripheral{}
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func newPeripheral(name, id string, rssi int, dev C.jobject) Peripheral {
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return Peripheral{
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Name: name,
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RSSI: rssi,
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Identifier: id,
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device: dev,
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}
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}
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func (p Peripheral) IsIncomplete() bool {
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if p.device == 0 {
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return true
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} else {
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return false
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}
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}
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func (p Peripheral) Retain() {
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@ -69,38 +93,76 @@ func (p Peripheral) Retain() {
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//stringState returns a string version of the BLE state
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func (b *BLE) stringState() string {
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return ""
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switch b.handle.state {
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case STATE_OFF:
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return "powered off"
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case STATE_TURNING_ON:
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return "turning on"
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case STATE_ON:
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return "powered on"
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case STATE_TURNING_OFF:
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return "turning off"
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default:
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return "no state"
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}
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}
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//readyToScan returns true if the hardware is ready to initiate a scan
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func (b *BLE) readyToScan() bool {
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return true
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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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})
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return ret
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}
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//scan puts the BLE hardware into scanning mode
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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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})
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}
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//stopScan stops a scan in progress
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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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})
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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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connect()
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runInJVM(func(env *C.JNIEnv) {
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C.connect(env, b.handle.BleConnect, x.device)
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})
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}
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//cancelConnection cancels an in-progress connection attempt
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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)
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})
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}
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//knownPeripheral returns a Peripheral that is known to the system without
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//scanning
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//Not implemented for Android
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func (b *BLE) knownPeripheral(p Peripheral) (Peripheral, bool) {
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return Peripheral{}, false
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}
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//DiscoverServices asks a Peripheral for its Services
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func (x Peripheral) DiscoverServices() {
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connect()
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log.Printf("discovering services")
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runInJVM(func(env *C.JNIEnv) {
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C.discoverServices(env, gBLE.handle.BleConnect, x.device)
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})
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}
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//DiscoverCharacteristics asks a Peripheral for the Characteristics related
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@ -116,31 +178,118 @@ func (p Peripheral) SetNotifyValue(c Characteristic) {
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//Bluetooth API.
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func NewBLE() *BLE {
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ps := Peripherals{items: make([]PeripheralListItem, 0)}
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h := bleHandle{}
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RunInJVM(func(env *JNIEnv) {
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h.adapter = GetBluetoothAdapter(env, jvmContext)
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h.class = JniGetObjectClass(env, h.adapter)
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})
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ret := &BLE{
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gBLE = &BLE{
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events: make(chan interface{}),
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peripherals: ps,
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handle: h,
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}
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//check if Bluetooth is enabled and if so, send an UpdateStateEvent
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go func() {
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RunInJVM(func(env *JNIEnv) {
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mid := JniGetMethodID(env, h.class, "isEnabled", "()Z")
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en := JniCallBooleanMethod(env, h.adapter, mid)
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if en {
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log.Print("It's enabled!")
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ret.events <-UpdateStateEvent{"powered on"}
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} else {
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log.Print("It's not enabled")
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}
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})
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}()
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return ret
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return gBLE
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}
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//Enable
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func (b *BLE) Enable(w *app.Window) {
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log.Printf("ble.Enable()")
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err := w.RegisterFragment("st/wow/git/ble/BleConnect")
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log.Printf("ble.Enable() RegisterFragment() returned")
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if err != nil {
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log.Printf("Error! %s", err)
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}
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}
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// Go callbacks from Java
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//export Java_st_wow_git_ble_BleConnect_installComplete
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func Java_st_wow_git_ble_BleConnect_installComplete(env *C.JNIEnv, class C.jclass, b C.jobject) {
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log.Printf("installComplete()")
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if (b == 0) {
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log.Printf("BleConnect object is nil!")
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}
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gBLE.handle.BleConnect = (C.NewGlobalRef)(env,b)
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h := app.PlatformHandle()
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setJVM(h.JVM)
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if C.enabled(env, gBLE.handle.BleConnect) == C.JNI_TRUE {
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gBLE.handle.state = STATE_ON
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gBLE.ready = true
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gBLE.events <- UpdateStateEvent{State: gBLE.stringState()}
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}
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installCompleteOnce.Do(func() {
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close(waitch)
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})
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log.Printf("installComplete() returning")
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}
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//export Java_st_wow_git_ble_BleConnect_updateState
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func Java_st_wow_git_ble_BleConnect_updateState(env *C.JNIEnv, class C.jclass, s C.jint) {
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log.Printf("UpdateState: %d", s)
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gBLE.handle.state = (int)(s)
|
||||
if gBLE.handle.state == STATE_ON {
|
||||
gBLE.ready = true
|
||||
}
|
||||
gBLE.events <- UpdateStateEvent{State: gBLE.stringState()}
|
||||
}
|
||||
|
||||
//export goOnScan
|
||||
func goOnScan(cname, cid *C.char, rssi C.int, dev C.jobject) {
|
||||
name := C.GoString(cname);
|
||||
id := C.GoString(cid);
|
||||
if name == "" {
|
||||
return
|
||||
}
|
||||
peripheral := newPeripheral(name, id, (int)(rssi), dev)
|
||||
if ok := gBLE.peripherals.Add(peripheral); ok {
|
||||
gBLE.events <- DiscoverPeripheralEvent{Peripheral: peripheral}
|
||||
}
|
||||
}
|
||||
|
||||
//export goOnConnect
|
||||
func goOnConnect(cid *C.char) {
|
||||
id := C.GoString(cid)
|
||||
|
||||
var peripheral Peripheral
|
||||
found := false
|
||||
|
||||
gBLE.peripherals.Lock()
|
||||
for _, item := range gBLE.peripherals.items {
|
||||
if item.p.Identifier == id {
|
||||
peripheral = item.p
|
||||
found = true
|
||||
break
|
||||
}
|
||||
}
|
||||
gBLE.peripherals.Unlock()
|
||||
|
||||
if !found {
|
||||
log.Printf("Go: peripheral not found!")
|
||||
}
|
||||
|
||||
gBLE.connections.UpdateState(peripheral, "connected")
|
||||
gBLE.events <- ConnectEvent{peripheral}
|
||||
log.Printf("Go: goOnConnect returning\n")
|
||||
}
|
||||
|
||||
//export goOnDiscoverService
|
||||
func goOnDiscoverService(cid *C.char, cuuid *C.char) {
|
||||
id := C.GoString(cid)
|
||||
uuid := C.GoString(cuuid)
|
||||
|
||||
var peripheral Peripheral
|
||||
found := false
|
||||
|
||||
gBLE.peripherals.Lock()
|
||||
for _, item := range gBLE.peripherals.items {
|
||||
if item.p.Identifier == id {
|
||||
peripheral = item.p
|
||||
found = true
|
||||
break
|
||||
}
|
||||
}
|
||||
gBLE.peripherals.Unlock()
|
||||
|
||||
if !found {
|
||||
log.Printf("Go: peripheral not found!")
|
||||
}
|
||||
|
||||
gBLE.events <- DiscoverServiceEvent{
|
||||
Peripheral: peripheral,
|
||||
Gatt: gatt.Service{uuid},
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -8,6 +8,8 @@ import (
|
|||
"time"
|
||||
"unsafe"
|
||||
|
||||
"gioui.org/app"
|
||||
|
||||
"git.wow.st/gmp/ble/gatt"
|
||||
"git.wow.st/gmp/ble/ns"
|
||||
)
|
||||
|
|
@ -40,12 +42,6 @@ var pcache map[unsafe.Pointer]*Peripheral
|
|||
|
||||
// Functions required by API
|
||||
|
||||
//Init needs to be called before the BLE library can be used. No setup needed
|
||||
//on Darwin.
|
||||
func Init() {
|
||||
|
||||
}
|
||||
|
||||
//peripheralLookup returns a pointer to a BLE struct related to the given
|
||||
//Peripheral.
|
||||
func peripheralLookup(p Peripheral) *BLE {
|
||||
|
|
@ -206,6 +202,10 @@ func NewBLE() *BLE {
|
|||
return ble
|
||||
}
|
||||
|
||||
//Enable is not required for Darwin.
|
||||
func (b *BLE) Enable(w *app.Window) {
|
||||
}
|
||||
|
||||
// Core Bluetooth callback functions
|
||||
|
||||
func didUpdateState(c *ns.CBCentralManager) {
|
||||
|
|
|
|||
5
gatt/gatt_android.go
Normal file
5
gatt/gatt_android.go
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
package gatt
|
||||
|
||||
func (s Service) IsHRM() bool {
|
||||
return len(s.UUID) >= 8 && s.UUID[:8] == "0000180d"
|
||||
}
|
||||
5
gatt/gatt_darwin.go
Normal file
5
gatt/gatt_darwin.go
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
package gatt
|
||||
|
||||
func (s Service) IsHRM() bool {
|
||||
return s.UUID == "180D"
|
||||
}
|
||||
92
jni_android.c
Normal file
92
jni_android.c
Normal file
|
|
@ -0,0 +1,92 @@
|
|||
#include <stdlib.h>
|
||||
#include <jni.h>
|
||||
#include <android/log.h>
|
||||
#include "_cgo_export.h"
|
||||
|
||||
jboolean
|
||||
enabled(JNIEnv *env, jobject b) {
|
||||
jclass cls = (*env)->GetObjectClass(env, b);
|
||||
jmethodID mid = (*env)->GetMethodID(env, cls, "enabled", "()Z");
|
||||
return (*env)->CallBooleanMethod(env, b, mid);
|
||||
}
|
||||
|
||||
void
|
||||
scan(JNIEnv *env, jobject b) {
|
||||
jclass cls = (*env)->GetObjectClass(env, b);
|
||||
jmethodID mid = (*env)->GetMethodID(env, cls, "scan", "()V");
|
||||
(*env)->CallVoidMethod(env, b, mid);
|
||||
}
|
||||
|
||||
void
|
||||
stopScan(JNIEnv *env, jobject b) {
|
||||
jclass cls = (*env)->GetObjectClass(env, b);
|
||||
jmethodID mid = (*env)->GetMethodID(env, cls, "stopScan", "()V");
|
||||
(*env)->CallVoidMethod(env, b, mid);
|
||||
}
|
||||
|
||||
void
|
||||
connect(JNIEnv *env, jobject b, jobject d) {
|
||||
jclass cls = (*env)->GetObjectClass(env, b);
|
||||
jmethodID mid = (*env)->GetMethodID(env, cls, "connect", "(Landroid/bluetooth/BluetoothDevice;)V");
|
||||
(*env)->CallVoidMethod(env, b, mid, d);
|
||||
}
|
||||
|
||||
void
|
||||
disconnect(JNIEnv *env, jobject b) {
|
||||
jclass cls = (*env)->GetObjectClass(env, b);
|
||||
jmethodID mid = (*env)->GetMethodID(env, cls, "disconnect", "()V");
|
||||
(*env)->CallVoidMethod(env, b, mid);
|
||||
}
|
||||
|
||||
void
|
||||
discoverServices(JNIEnv *env, jobject b, jobject p) {
|
||||
jclass cls = (*env)->GetObjectClass(env, b);
|
||||
jmethodID mid = (*env)->GetMethodID(env, cls, "discoverServices", "(Landroid/bluetooth/BluetoothDevice;)V");
|
||||
(*env)->CallVoidMethod(env, b, mid, p);
|
||||
}
|
||||
|
||||
jint
|
||||
GetEnv(JavaVM *vm, JNIEnv **env, jint version) {
|
||||
return (*vm)->GetEnv(vm, (void **)env, version);
|
||||
}
|
||||
|
||||
jint
|
||||
AttachCurrentThread(JavaVM *vm, JNIEnv **p_env, void *thr_args) {
|
||||
return (*vm)->AttachCurrentThread(vm, p_env, thr_args);
|
||||
}
|
||||
|
||||
jint
|
||||
DetachCurrentThread(JavaVM *vm) {
|
||||
return (*vm)->DetachCurrentThread(vm);
|
||||
}
|
||||
|
||||
jobject
|
||||
NewGlobalRef(JNIEnv *env, jobject o) {
|
||||
return (*env)->NewGlobalRef(env, o);
|
||||
}
|
||||
|
||||
void
|
||||
Java_st_wow_git_ble_BleConnect_onScan(JNIEnv *env, jclass class, jstring jname, jstring jid, jint jrssi, jobject dev) {
|
||||
char* name = (*env)->GetStringUTFChars(env, jname, NULL);
|
||||
char* id = (*env)->GetStringUTFChars(env, jid, NULL);
|
||||
jobject gdev = (*env)->NewGlobalRef(env, dev);
|
||||
goOnScan(name, id, (int)jrssi, gdev);
|
||||
(*env)->ReleaseStringUTFChars(env, jname, name);
|
||||
(*env)->ReleaseStringUTFChars(env, jid, id);
|
||||
}
|
||||
|
||||
void
|
||||
Java_st_wow_git_ble_BleConnect_onConnect(JNIEnv *env, jclass class, jstring jid) {
|
||||
char* id = (*env)->GetStringUTFChars(env, jid, NULL);
|
||||
goOnConnect(id);
|
||||
(*env)->ReleaseStringUTFChars(env, jid, id);
|
||||
}
|
||||
|
||||
void
|
||||
Java_st_wow_git_ble_BleConnect_onDiscoverService(JNIEnv *env, jclass class, jstring jid, jstring juuid) {
|
||||
char* id = (*env)->GetStringUTFChars(env, jid, NULL);
|
||||
char* uuid = (*env)->GetStringUTFChars(env, juuid, NULL);
|
||||
goOnDiscoverService(id, uuid);
|
||||
(*env)->ReleaseStringUTFChars(env, jid, id);
|
||||
(*env)->ReleaseStringUTFChars(env, juuid, uuid);
|
||||
}
|
||||
219
jni_android.go
219
jni_android.go
|
|
@ -3,165 +3,7 @@ package ble
|
|||
/*
|
||||
#cgo LDFLAGS: -landroid -llog
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <jni.h>
|
||||
#include <android/log.h>
|
||||
|
||||
static jobject gClassLoader;
|
||||
static jmethodID gFindClassMethod;
|
||||
|
||||
jclass
|
||||
GetObjectClass(JNIEnv* env, jobject obj) {
|
||||
jclass cls = (*env)->GetObjectClass(env, obj);
|
||||
cls = (*env)->NewGlobalRef(env, cls);
|
||||
return cls;
|
||||
}
|
||||
|
||||
void
|
||||
SetLoader(JNIEnv* env, jobject context) {
|
||||
jclass cclass = (*env)->GetObjectClass(env, context);
|
||||
jmethodID gcl_id = (*env)->GetMethodID(env, cclass, "getClassLoader", "()Ljava/lang/ClassLoader;");
|
||||
jobject loader = (*env)->CallObjectMethod(env, context, gcl_id);
|
||||
gClassLoader = (*env)->NewGlobalRef(env, loader);
|
||||
jclass lclass = (*env)->GetObjectClass(env, loader);
|
||||
gFindClassMethod = (*env)->GetMethodID(env, lclass, "findClass", "(Ljava/lang/String;)Ljava/lang/Class;");
|
||||
}
|
||||
|
||||
jclass
|
||||
FindClass(JNIEnv* env, char* name) {
|
||||
jstring strClassName = (*env)->NewStringUTF(env, name);
|
||||
return (*env)->CallObjectMethod(env, gClassLoader, gFindClassMethod, strClassName);
|
||||
}
|
||||
|
||||
void
|
||||
EnableBluetooth(JNIEnv* env, jobject ctx, jobject ad) {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "Finding BleUtil");
|
||||
jclass cls = FindClass(env, "st/wow/git/ble/BleUtil");
|
||||
if (cls == NULL) {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "not found");
|
||||
return;
|
||||
}
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "getting <init>");
|
||||
jmethodID mid = (*env)->GetMethodID(env, cls, "<init>", "()V");
|
||||
if (mid == NULL) {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "not found");
|
||||
return;
|
||||
}
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "calling NewObject");
|
||||
jobject bleutil = (*env)->NewObject(env, cls, mid);
|
||||
if (bleutil == NULL) {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "failed");
|
||||
return;
|
||||
}
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "Getting Enable()");
|
||||
mid = (*env)->GetMethodID(env, cls, "Enable", "(Landroid/content/Context;)V");
|
||||
if (mid == NULL) {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "failed");
|
||||
return;
|
||||
}
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "Calling Enable()");
|
||||
(*env)->CallVoidMethod(env, bleutil, mid, ctx);
|
||||
}
|
||||
|
||||
jobject
|
||||
GetBluetoothAdapter(JNIEnv* env, jobject ctx) {
|
||||
jclass cls = (*env)->GetObjectClass(env, ctx);
|
||||
if (cls == NULL) {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "GetBluetoothAdapter(): Can't get context class");
|
||||
return NULL;
|
||||
}
|
||||
jfieldID id = (*env)->GetStaticFieldID(env, cls, "BLUETOOTH_SERVICE", "Ljava/lang/String;");
|
||||
if (id == NULL) {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "GetBluetoothAdapter(): Can't get field ID");
|
||||
return NULL;
|
||||
}
|
||||
jstring btsrv = (jstring)(*env)->GetStaticObjectField(env, cls, id);
|
||||
if (btsrv == NULL) {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "GetBluetoothAdapter(): Can't get static object field");
|
||||
return NULL;
|
||||
}
|
||||
jmethodID mid = (*env)->GetMethodID(env, cls, "getSystemService", "(Ljava/lang/String;)Ljava/lang/Object;");
|
||||
if (mid == NULL) {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "GetBluetoothAdapter(): Can't get method ID");
|
||||
return NULL;
|
||||
}
|
||||
jobject manager = (*env)->CallObjectMethod(env, ctx, mid, btsrv);
|
||||
if (manager == NULL) {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "GetBluetoothAdapter(): Can't get bluetooth manager");
|
||||
return NULL;
|
||||
}
|
||||
cls = (*env)->GetObjectClass(env, manager);
|
||||
if (cls == NULL) {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "GetBluetoothAdapter(): Can't get class of bluetooth manager");
|
||||
return NULL;
|
||||
}
|
||||
mid = (*env)->GetMethodID(env, cls, "getAdapter", "()Landroid/bluetooth/BluetoothAdapter;");
|
||||
if (mid == NULL) {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "GetBluetoothAdapter(): Can't get methodID for getAdapter()");
|
||||
return NULL;
|
||||
}
|
||||
jobject ad = (*env)->CallObjectMethod(env, manager, mid);
|
||||
if (ad == NULL) {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "GetBluetoothAdapter(): Can't get adapter");
|
||||
} else {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "GetBluetoothAdapter(): Found");
|
||||
}
|
||||
|
||||
ad = (*env)->NewGlobalRef(env, ad);
|
||||
|
||||
EnableBluetooth(env, ctx, ad);
|
||||
return ad;
|
||||
}
|
||||
|
||||
jstring
|
||||
GetObjectStaticStringField(JNIEnv* env, jobject obj, char* fld) {
|
||||
jclass cls = (*env)->GetObjectClass(env, obj);
|
||||
if (cls == NULL) {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "GetObjectStaticStringField(): Can't get class");
|
||||
return NULL;
|
||||
}
|
||||
jfieldID id = (*env)->GetStaticFieldID(env, cls, fld, "Ljava/lang/String;");
|
||||
if (id == NULL) {
|
||||
__android_log_write(ANDROID_LOG_DEBUG, "gio", "GetObjectStaticStringField(): Can't find FieldID");
|
||||
return NULL;
|
||||
}
|
||||
return (jstring)(*env)->GetStaticObjectField(env, cls, id);
|
||||
}
|
||||
|
||||
JNIEXPORT jobject
|
||||
CreateObject(JNIEnv* env, jclass cls) {
|
||||
jmethodID init = (*env)->GetMethodID(env, cls, "<init>", "()V");
|
||||
return (*env)->NewObject(env, cls, init);
|
||||
}
|
||||
|
||||
void CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID) {
|
||||
(*env)->CallVoidMethod(env, obj, methodID);
|
||||
}
|
||||
|
||||
jboolean CallBooleanMethod(JNIEnv *env, jobject obj, jmethodID mid) {
|
||||
return (*env)->CallBooleanMethod(env, obj, mid);
|
||||
}
|
||||
|
||||
jint CallIntMethod(JNIEnv *env, jobject obj, jmethodID methodID) {
|
||||
return (*env)->CallIntMethod(env, obj, methodID);
|
||||
}
|
||||
|
||||
jmethodID GetMethodID(JNIEnv *env, jclass clazz, const char *name, const char *sig) {
|
||||
return (*env)->GetMethodID(env, clazz, name, sig);
|
||||
}
|
||||
|
||||
jint GetEnv(JavaVM *vm, JNIEnv **env, jint version) {
|
||||
return (*vm)->GetEnv(vm, (void **)env, version);
|
||||
}
|
||||
|
||||
jint AttachCurrentThread(JavaVM *vm, JNIEnv **p_env, void *thr_args) {
|
||||
return (*vm)->AttachCurrentThread(vm, p_env, thr_args);
|
||||
}
|
||||
|
||||
jint DetachCurrentThread(JavaVM *vm) {
|
||||
return (*vm)->DetachCurrentThread(vm);
|
||||
}
|
||||
|
||||
#import "jni_android.h"
|
||||
*/
|
||||
import "C"
|
||||
|
||||
|
|
@ -177,60 +19,17 @@ var theJVM *C.JavaVM
|
|||
|
||||
type JNIEnv = C.JNIEnv
|
||||
|
||||
func setJVM(jvm, context uintptr) {
|
||||
log.Print("set theJVM")
|
||||
func setJVM(jvm uintptr) {
|
||||
log.Printf("set theJVM")
|
||||
theJVM = (*C.JavaVM)(unsafe.Pointer(jvm))
|
||||
//log.Printf("theJVM = %d", uintptr(unsafe.Pointer(theJVM)))
|
||||
RunInJVM(func(env *C.JNIEnv) {
|
||||
C.SetLoader(env, (C.jobject)(context))
|
||||
})
|
||||
if theJVM == nil {
|
||||
log.Printf("theJVM is nil!")
|
||||
} else {
|
||||
log.Printf("theJVM is not nil")
|
||||
}
|
||||
}
|
||||
|
||||
func FindClass(env *C.JNIEnv, name string) C.jclass {
|
||||
cname := C.CString(name)
|
||||
defer C.free(unsafe.Pointer(cname))
|
||||
return C.FindClass((*C.JNIEnv)(env), cname)
|
||||
}
|
||||
|
||||
func JniGetObjectClass(env *C.JNIEnv, obj C.jobject) C.jclass {
|
||||
return C.GetObjectClass(env, obj)
|
||||
}
|
||||
|
||||
func JniGetObjectStaticStringField(env *C.JNIEnv, obj C.jobject, fld string) C.jstring {
|
||||
cstring := C.CString(fld)
|
||||
defer C.free(unsafe.Pointer(cstring))
|
||||
return C.GetObjectStaticStringField(env, obj, cstring)
|
||||
}
|
||||
|
||||
func GetBluetoothAdapter(env *C.JNIEnv, ctx uintptr) C.jobject {
|
||||
return C.GetBluetoothAdapter(env, (C.jobject)(ctx))
|
||||
}
|
||||
|
||||
func JniCallVoidMethod(env *C.JNIEnv, obj C.jobject, methodID C.jmethodID) {
|
||||
C.CallVoidMethod(env, obj, methodID)
|
||||
}
|
||||
|
||||
func JniCallBooleanMethod(env *C.JNIEnv, obj C.jobject, methodID C.jmethodID) bool {
|
||||
return C.CallBooleanMethod(env, obj, methodID) == C.JNI_TRUE
|
||||
}
|
||||
|
||||
func JniCallIntMethod(env *C.JNIEnv, obj C.jobject, methodID C.jmethodID) int {
|
||||
return (int)(C.CallIntMethod(env, obj, methodID))
|
||||
}
|
||||
|
||||
func JniGetMethodID(env *C.JNIEnv, cls C.jclass, name, sig string) C.jmethodID {
|
||||
cname := C.CString(name)
|
||||
defer C.free(unsafe.Pointer(cname))
|
||||
csig := C.CString(sig)
|
||||
defer C.free(unsafe.Pointer(csig))
|
||||
return C.GetMethodID(env, cls, cname, csig)
|
||||
}
|
||||
|
||||
func CreateObject(env *C.JNIEnv, cls C.jclass) C.jobject {
|
||||
return C.CreateObject(env, (C.jclass)(cls))
|
||||
}
|
||||
|
||||
func RunInJVM(f func(env *C.JNIEnv)) {
|
||||
func runInJVM(f func(env *C.JNIEnv)) {
|
||||
runtime.LockOSThread()
|
||||
defer runtime.UnlockOSThread()
|
||||
var env *C.JNIEnv
|
||||
|
|
|
|||
12
jni_android.h
Normal file
12
jni_android.h
Normal file
|
|
@ -0,0 +1,12 @@
|
|||
#include <jni.h>
|
||||
|
||||
jboolean enabled(JNIEnv *env, jobject p);
|
||||
void scan(JNIEnv *env, jobject b);
|
||||
void stopScan(JNIEnv *env, jobject b);
|
||||
void connect(JNIEnv *env, jobject b, jobject d);
|
||||
void disconnect(JNIEnv *env, jobject b);
|
||||
void discoverServices(JNIEnv *env, jobject b, jobject p);
|
||||
jint GetEnv(JavaVM *vm, JNIEnv **env, jint version);
|
||||
jint AttachCurrentThread(JavaVM *vm, JNIEnv **p_env, void *thr_args);
|
||||
jint DetachCurrentThread(JavaVM *vm);
|
||||
jobject NewGlobalRef(JNIEnv *env, jobject o);
|
||||
Loading…
Reference in New Issue
Block a user