这是一个使用 RxJava 封装的低功耗蓝牙类库。封装了低功耗蓝牙的连接，写入数据，读取数据和监听硬件特定通道数据改变的功能。关于低功耗蓝牙的入门介绍可以参阅 我的简书博客
clone 下来，复制 ble 包到本地项目即可使用（确保当前开发的项目有依赖 RxJava2）。可根据自己的需求进行二次开发。
BluetoothClient mClient;
mClient = new BluetoothClientBLEV2Adapter(
BluetoothLeInitialization.getInstance(this));
mClient.openBluetooth(); // 第一参数指定扫描时间，第二个参数指定是否中断当前正在进行的扫描操作
mClient.search(3000, false)
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Observer<BLEDevice>() {
@Override
public void onSubscribe(Disposable d) {
mTextView.setText("start\n");
}
@Override
public void onNext(BLEDevice value) {
Log.d(TAG, "device " + value);
mTextView.setText(mTextView.getText() + "\n\n" + value);
}
@Override
public void onError(Throwable e) {
Log.e(TAG, "onError: ", e);
mTextView.setText(mTextView.getText() + "\n\n" + "complete");
}
@Override
public void onComplete() {
Log.d(TAG, "onComplete: search");
mTextView.setText(mTextView.getText() + "\n\n" + "complete");
}
});
} private void connectAndWrite() {
mClient.connect(MAC[1])
.flatMap(new Function<String, ObservableSource<String>>() {
@Override
public ObservableSource<String> apply(String s) throws Exception {
Log.d(TAG, "connect test: on write");
return mClient.write(MAC[1], UUID_SERVICE_CHANNEL,
UUID_CHARACTERISTIC_CHANNEL, "01234567876543210#".getBytes());
}
})
.subscribe(new Observer<String>() {
@Override
public void onSubscribe(Disposable d) {
Log.d(TAG, "connect test onSubscribe: ");
}
@Override
public void onNext(String value) {
Log.d(TAG, "connect test onNext: ");
}
@Override
public void onError(Throwable e) {
Log.e(TAG, "connect test onError: ", e);
}
@Override
public void onComplete() {
Log.d(TAG, "connect test onComplete: ");
}
});
}mClient.connect(MAC[1])
.flatMap(new Function<String, ObservableSource<String>>() {
@Override
public ObservableSource<String> apply(String s) throws Exception {
return mClient.registerNotify(MAC[1], UUID_SERVICE_CHANNEL,
UUID_CHARACTERISTIC_CHANNEL, new BaseResultCallback<byte[]>() {
@Override
public void onSuccess(byte[] data) {
Log.d(TAG, "I have receive a new message: "
+ Arrays.toString(data));
}
@Override
public void onFail(String msg) {
Log.d(TAG, "oop! setting register is failed!");
}
});
}
})