joaomiranda
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lazzy_coffee_android
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Remoção de código inútil

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João Miranda 2025-11-05 09:34:35 +00:00
parent 114c86b480
commit 5d4ca9abf9
1 changed files with 19 additions and 186 deletions
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205
app/src/main/java/pt/epvc/lazzycofee/MainActivity.java
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@ -35,21 +35,11 @@ import java.util.UUID;
public class MainActivity extends AppCompatActivity { public class MainActivity extends AppCompatActivity {
private ImageButton cafeCurto;
private ImageButton cafeMédio;
private ImageButton cafeLongo;
private Switch conetar;
private BluetoothAdapter mBTAdapter; private BluetoothAdapter mBTAdapter;
private Set<BluetoothDevice> mPairedDevices;
private ArrayAdapter<String> mBTArrayAdapter;
private ListView mDevicesListView;
private Handler mHandler; // Our main handler that will receive callback notifications
private ConnectedThread mConnectedThread; // bluetooth background worker thread to send and receive data private ConnectedThread mConnectedThread; // bluetooth background worker thread to send and receive data
private BluetoothSocket mBTSocket = null; // bi-directional client-to-client data path private BluetoothSocket mBTSocket = null; // bi-directional client-to-client data path
private static final UUID BTMODULEUUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"); private static final UUID BTMODULEUUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
private final static int REQUEST_ENABLE_BT = 1; // used to identify adding bluetooth names private final static int REQUEST_ENABLE_BT = 1; // used to identify adding bluetooth names
private final static int MESSAGE_READ = 2; // used in bluetooth handler to identify message update
private final static int CONNECTING_STATUS = 3; // used in bluetooth handler to identify message status
@Override @Override
@ -62,58 +52,7 @@ public class MainActivity extends AppCompatActivity {
v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom); v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
return insets; return insets;
}); });
cafeCurto = (ImageButton) findViewById(R.id.cafeCurto);
cafeMédio = (ImageButton) findViewById(R.id.cafeMedio);
cafeLongo = (ImageButton) findViewById(R.id.cafeLongo);
// mBTArrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1);
mBTAdapter = BluetoothAdapter.getDefaultAdapter(); // get a handle on the bluetooth radio mBTAdapter = BluetoothAdapter.getDefaultAdapter(); // get a handle on the bluetooth radio
// mHandler = new Handler() {
// public void handleMessage(android.os.Message msg) {
// if (msg.what == MESSAGE_READ) {
// String readMessage = null;
// try {
// readMessage = new String((byte[]) msg.obj, "UTF-8");
// } catch (UnsupportedEncodingException e) {
// e.printStackTrace();
// }
// //mReadBuffer.setText(readMessage);
// }
//
// if (msg.what == CONNECTING_STATUS) {
// if (msg.arg1 == 1)
// Toast.makeText(MainActivity.this, "Connected to Device: " + (String) (msg.obj), Toast.LENGTH_SHORT).show();
// //mBluetoothStatus.setText("Connected to Device: " + (String)(msg.obj));
// else
// Toast.makeText(MainActivity.this, "Connection Failed", Toast.LENGTH_SHORT).show();
// //mBluetoothStatus.setText("Connection Failed");
// }
// }
// };
// if (mBTArrayAdapter == null) {
// // Device does not support Bluetooth
// //mBluetoothStatus.setText("Status: Bluetooth not found");
// Toast.makeText(MainActivity.this, "Bluetooth device not found!", Toast.LENGTH_SHORT).show();
// } else {
// conetar = (Switch) findViewById(R.id.conetar);
// conetar.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
// @Override
// public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
// if (conetar.isChecked()) {
// Toast.makeText(MainActivity.this, "Conetado", Toast.LENGTH_SHORT).show();
// ligarBluetooth();
// } else {
// Toast.makeText(MainActivity.this, "Desconetado", Toast.LENGTH_SHORT).show();
// desligarBluetooth();
// }
// }
// });
//
// }
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
ligarBluetooth(); ligarBluetooth();
} }
@ -148,7 +87,6 @@ public class MainActivity extends AppCompatActivity {
if (!mBTAdapter.isEnabled()) { if (!mBTAdapter.isEnabled()) {
Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT); startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
//mBluetoothStatus.setText("Bluetooth enabled");
Toast.makeText(MainActivity.this, "Bluetooth turned on", Toast.LENGTH_SHORT).show(); Toast.makeText(MainActivity.this, "Bluetooth turned on", Toast.LENGTH_SHORT).show();
} else { } else {
@ -168,16 +106,9 @@ public class MainActivity extends AppCompatActivity {
fail = true; fail = true;
Toast.makeText(getBaseContext(), "Socket creation failed", Toast.LENGTH_SHORT).show(); Toast.makeText(getBaseContext(), "Socket creation failed", Toast.LENGTH_SHORT).show();
} }
// Establish the Bluetooth socket connection.
try { try {
if (ActivityCompat.checkSelfPermission(MainActivity.this, android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) { if (ActivityCompat.checkSelfPermission(MainActivity.this, android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return; return;
} }
mBTSocket.connect(); mBTSocket.connect();
@ -185,19 +116,13 @@ public class MainActivity extends AppCompatActivity {
try { try {
fail = true; fail = true;
mBTSocket.close(); mBTSocket.close();
mHandler.obtainMessage(CONNECTING_STATUS, -1, -1)
.sendToTarget();
} catch (IOException e2) { } catch (IOException e2) {
//insert code to deal with this
Toast.makeText(getBaseContext(), "Socket creation failed", Toast.LENGTH_SHORT).show(); Toast.makeText(getBaseContext(), "Socket creation failed", Toast.LENGTH_SHORT).show();
} }
} }
if (fail == false) { if (fail == false) {
mConnectedThread = new ConnectedThread(mBTSocket); mConnectedThread = new ConnectedThread(mBTSocket);
mConnectedThread.start(); mConnectedThread.start();
mHandler.obtainMessage(CONNECTING_STATUS, 1, -1, "ASD")
.sendToTarget();
} }
} }
}.start(); }.start();
@ -210,142 +135,33 @@ public class MainActivity extends AppCompatActivity {
if (requestCode == REQUEST_ENABLE_BT) { if (requestCode == REQUEST_ENABLE_BT) {
// Make sure the request was successful // Make sure the request was successful
if (resultCode == RESULT_OK) { if (resultCode == RESULT_OK) {
// The user picked a contact.
// The Intent's data Uri identifies which contact was selected.
//mBluetoothStatus.setText("Enabled");
Toast.makeText(this, "Enabled", Toast.LENGTH_SHORT).show(); Toast.makeText(this, "Enabled", Toast.LENGTH_SHORT).show();
} else } else
Toast.makeText(this, "Disabled", Toast.LENGTH_SHORT).show(); Toast.makeText(this, "Disabled", Toast.LENGTH_SHORT).show();
//mBluetoothStatus.setText("Disabled");
} }
} }
// public void desligarBluetooth() {
// //mBTAdapter.disable(); // turn off
// //mBluetoothStatus.setText("Bluetooth disabled");
// Toast.makeText(MainActivity.this, "Bluetooth turned Off", Toast.LENGTH_SHORT).show();
// }
// private AdapterView.OnItemClickListener mDeviceClickListener = new AdapterView.OnItemClickListener() {
// public void onItemClick(AdapterView<?> av, View v, int arg2, long arg3) {
//
// if (!mBTAdapter.isEnabled()) {
// Toast.makeText(getBaseContext(), "Bluetooth not on", Toast.LENGTH_SHORT).show();
// return;
// }
// Toast.makeText(MainActivity.this, "Connecting...", Toast.LENGTH_SHORT).show();
// //mBluetoothStatus.setText("Connecting...");
// // Get the device MAC address, which is the last 17 chars in the View
// String info = ((TextView) v).getText().toString();
// final String address = info.substring(info.length() - 17);
// final String name = info.substring(0, info.length() - 17);
//
// // Spawn a new thread to avoid blocking the GUI one
// new Thread() {
// public void run() {
// boolean fail = false;
//
// BluetoothDevice device = mBTAdapter.getRemoteDevice(address);
//
// try {
// mBTSocket = createBluetoothSocket(device);
// } catch (IOException e) {
// fail = true;
// Toast.makeText(getBaseContext(), "Socket creation failed", Toast.LENGTH_SHORT).show();
// }
// // Establish the Bluetooth socket connection.
// try {
// if (ActivityCompat.checkSelfPermission(MainActivity.this, android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
// // TODO: Consider calling
// // ActivityCompat#requestPermissions
// // here to request the missing permissions, and then overriding
// // public void onRequestPermissionsResult(int requestCode, String[] permissions,
// // int[] grantResults)
// // to handle the case where the user grants the permission. See the documentation
// // for ActivityCompat#requestPermissions for more details.
// return;
// }
// mBTSocket.connect();
// } catch (IOException e) {
// try {
// fail = true;
// mBTSocket.close();
// mHandler.obtainMessage(CONNECTING_STATUS, -1, -1)
// .sendToTarget();
// } catch (IOException e2) {
// //insert code to deal with this
// Toast.makeText(getBaseContext(), "Socket creation failed", Toast.LENGTH_SHORT).show();
// }
// }
// if (fail == false) {
// mConnectedThread = new ConnectedThread(mBTSocket);
// mConnectedThread.start();
//
// mHandler.obtainMessage(CONNECTING_STATUS, 1, -1, name)
// .sendToTarget();
// }
// }
// }.start();
// }
// };
private BluetoothSocket createBluetoothSocket(BluetoothDevice device) throws IOException { private BluetoothSocket createBluetoothSocket(BluetoothDevice device) throws IOException {
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) { if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
} }
return device.createRfcommSocketToServiceRecord(BTMODULEUUID); return device.createRfcommSocketToServiceRecord(BTMODULEUUID);
//creates secure outgoing connection with BT device using UUID
} }
private class ConnectedThread extends Thread { private class ConnectedThread extends Thread {
private final BluetoothSocket mmSocket;
private final InputStream mmInStream;
private final OutputStream mmOutStream; private final OutputStream mmOutStream;
public ConnectedThread(BluetoothSocket socket) { public ConnectedThread(BluetoothSocket socket) {
mmSocket = socket;
InputStream tmpIn = null;
OutputStream tmpOut = null; OutputStream tmpOut = null;
// Get the input and output streams, using temp objects because
// member streams are final
try { try {
tmpIn = socket.getInputStream();
tmpOut = socket.getOutputStream(); tmpOut = socket.getOutputStream();
} catch (IOException e) { } catch (IOException e) {
} }
mmInStream = tmpIn;
mmOutStream = tmpOut; mmOutStream = tmpOut;
} }
public void run() {
byte[] buffer = new byte[1024]; // buffer store for the stream
int bytes; // bytes returned from read()
// Keep listening to the InputStream until an exception occurs
while (true) {
try {
// Read from the InputStream
bytes = mmInStream.available();
if (bytes != 0) {
SystemClock.sleep(100); //pause and wait for rest of data. Adjust this depending on your sending speed.
bytes = mmInStream.available(); // how many bytes are ready to be read?
bytes = mmInStream.read(buffer, 0, bytes); // record how many bytes we actually read
mHandler.obtainMessage(MESSAGE_READ, bytes, -1, buffer)
.sendToTarget(); // Send the obtained bytes to the UI activity
}
} catch (IOException e) {
e.printStackTrace();
break;
}
}
}
public void enviarComando(String input){ public void enviarComando(String input){
byte[] bytes = input.getBytes(); //converts entered String into bytes byte[] bytes = input.getBytes(); //converts entered String into bytes
try { try {
@ -353,4 +169,21 @@ public class MainActivity extends AppCompatActivity {
} catch (IOException e) { } } catch (IOException e) { }
} }
} }
private void desligarBluetooth() {
try {
mBTSocket.close();
} catch (IOException e) {}
}
@Override
protected void onPause() {
super.onPause();
desligarBluetooth();
}
@Override
protected void onResume() {
super.onResume();
ligarBluetooth();
}
} }