Java Android InputStream无法从蓝牙HC-05接收整个消息
我的问题是从android应用程序接收数据,我从Arduino发送数据,就像{166;122;33;5;n} 当我用Android打开一个套接字时,它会接收到前9或10个字节,并向我显示这样的数据;122;33 想知道如何在InputStream中接收所有信息。 负责此操作的函数是beginListenForData(),如下所示Java Android InputStream无法从蓝牙HC-05接收整个消息,java,android,multithreading,android-service,inputstream,Java,Android,Multithreading,Android Service,Inputstream,我的问题是从android应用程序接收数据,我从Arduino发送数据,就像{166;122;33;5;n} 当我用Android打开一个套接字时,它会接收到前9或10个字节,并向我显示这样的数据;122;33 想知道如何在InputStream中接收所有信息。 负责此操作的函数是beginListenForData(),如下所示 我使用了两个全局变量。在此方法中,字节[]缓冲区=新字节[256];//流int字节的缓冲区存储;//从read()返回的字节是的,我得到了这个概念,它可以工作:)
我使用了两个全局变量。在此方法中,字节[]缓冲区=新字节[256];//流int字节的缓冲区存储;//从read()返回的字节是的,我得到了这个概念,它可以工作:)谢谢Pratik:)
void beginListenForData() {
final Handler handler = new Handler();
stopThread = false;
Thread thread = new Thread(new Runnable() {
public void run() {
while (!Thread.currentThread().isInterrupted() && !stopThread) {
try {
final int byteCount = inputStream.available();
if (byteCount > 0) {
byte[] rawBytes = new byte[byteCount];
inputStream.read(rawBytes);
final String str = new String(rawBytes);
handler.post(new Runnable() {
public void run() {
if (str.charAt(0) == '{') {
try {
bytes = inputStream.read(buffer, 0,
buffer.length);
String readMessage1 = new String(buffer,
0, bytes, "US-ASCII");
Log.e("bytes ",
Integer.toString(bytes));
Log.e("tag:", readMessage1);
sendMessage(readMessage1);
} catch (IOException e) {
e.printStackTrace();
Log.e("tag", "failed");
}
}
}
});
}
} catch (IOException ex) {
sendMessage("F");
stopThread = true;
}
}
}
});
thread.start();
}
> Try something like:
void beginListenForData() {
final Handler handler = new Handler();
stopThread = false;
Thread thread = new Thread(new Runnable() {
public void run() {
while (!Thread.currentThread().isInterrupted() && !stopThread) {
try {
byte[] buffer = new byte[1];
bytes = mmInStream.read(buffer, 0, 1);
String read = new String(buffer, 0, 1);
readMessage.append(read);
if (buffer[0] == '}') {
bytes = mmInStream.read(buffer, 0, 1);
readMessage.append(read);
String readMessage1 = new String(buffer,
0, bytes, "US-ASCII");
Log.e("bytes ",
Integer.toString(bytes));
sendMessage(readMessage);
} catch (IOException e) {
e.printStackTrace();
Log.e("tag", "failed");
}
}
});
}
} catch (IOException ex) {
sendMessage("F");
stopThread = true;
}
}
}
});
thread.start();
}