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usb-serial-for-android
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modernize example app

This commit is contained in:
kai-morich 2020-03-23 20:11:39 +01:00
parent cffe54e15c
commit 2354f93354
34 changed files with 834 additions and 621 deletions
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2
.idea/misc.xml
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@ -39,7 +39,7 @@
</value>
</option>
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/build/classes" />
</component>
<component name="ProjectType">

4
README.md
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@ -96,12 +96,12 @@ and finally:
port.close();
```
For a simple example, see
[UsbSerialExamples](https://github.com/mik3y/usb-serial-for-android/blob/master/usbSerialExamples)
folder in this project.
For a more complete example, see separate github project
For a more complete example with background service to stay connected while
the app is not visible or rotating, see separate github project
[SimpleUsbTerminal](https://github.com/kai-morich/SimpleUsbTerminal).
## Probing for Unrecognized Devices

2
gradle.properties Normal file
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@ -0,0 +1,2 @@
#android.enableJetifier=true
android.useAndroidX=true

7
usbSerialExamples/build.gradle
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@ -4,6 +4,11 @@ android {
compileSdkVersion 28
buildToolsVersion '28.0.3'
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
defaultConfig {
minSdkVersion 17
targetSdkVersion 28
@ -21,4 +26,6 @@ android {
dependencies {
implementation project(':usbSerialForAndroid')
implementation 'androidx.appcompat:appcompat:1.1.0'
implementation 'com.google.android.material:material:1.1.0'
}

34
usbSerialExamples/src/main/AndroidManifest.xml
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@ -1,37 +1,33 @@
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.hoho.android.usbserial.examples"
android:versionCode="1"
android:versionName="1.0" >
<uses-feature android:name="android.hardware.usb.host" />
xmlns:tools="http://schemas.android.com/tools"
package="com.hoho.android.usbserial.examples">
<!-- mipmap/ic_launcher created with Android Studio -> New -> Image Asset using @color/colorPrimary and USB clip art -->
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme"
tools:ignore="AllowBackup,GoogleAppIndexingWarning">
<!-- for this simple app launchMode=singleTask and singleTop have same effect.
If you would start another activity in the app, e.g. Android Settings
then you should use singleTask, else a new MainActivity would be started
when the settings activity is currently shown -->
<activity
android:name="com.hoho.android.usbserial.examples.DeviceListActivity"
android:name=".MainActivity"
android:label="@string/app_name"
android:theme="@android:style/Theme.Black.NoTitleBar.Fullscreen" >
android:launchMode="singleTask"
android:windowSoftInputMode="stateHidden|adjustResize">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
<intent-filter>
<action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
</intent-filter>
<meta-data
android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"
android:resource="@xml/device_filter" />
</activity>
<activity
android:name="com.hoho.android.usbserial.examples.SerialConsoleActivity"
android:label="@string/app_name"
android:theme="@android:style/Theme.Black.NoTitleBar.Fullscreen" >
</activity>
</application>
</manifest>
</manifest>

21
usbSerialExamples/src/main/java/com/hoho/android/usbserial/examples/CustomProber.java Normal file
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@ -0,0 +1,21 @@
package com.hoho.android.usbserial.examples;
import com.hoho.android.usbserial.driver.CdcAcmSerialDriver;
import com.hoho.android.usbserial.driver.ProbeTable;
import com.hoho.android.usbserial.driver.UsbSerialProber;
/**
* add devices here, that are not known to DefaultProber
*
* if the App should auto start for these devices, also
* add IDs to app/src/main/res/xml/device_filter.xml
*/
class CustomProber {
static UsbSerialProber getCustomProber() {
ProbeTable customTable = new ProbeTable();
customTable.addProduct(0x16d0, 0x087e, CdcAcmSerialDriver.class); // e.g. Digispark CDC
return new UsbSerialProber(customTable);
}
}

233
usbSerialExamples/src/main/java/com/hoho/android/usbserial/examples/DeviceListActivity.java
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@ -1,233 +0,0 @@
/* Copyright 2011-2013 Google Inc.
* Copyright 2013 mike wakerly <opensource@hoho.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* Project home page: https://github.com/mik3y/usb-serial-for-android
*/
package com.hoho.android.usbserial.examples;
import android.app.Activity;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.hardware.usb.UsbDevice;
import android.hardware.usb.UsbManager;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.SystemClock;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.TwoLineListItem;
import com.hoho.android.usbserial.driver.UsbSerialDriver;
import com.hoho.android.usbserial.driver.UsbSerialPort;
import com.hoho.android.usbserial.driver.UsbSerialProber;
import java.util.ArrayList;
import java.util.List;
/**
* Shows a {@link ListView} of available USB devices.
*
* @author mike wakerly (opensource@hoho.com)
*/
public class DeviceListActivity extends Activity {
private final String TAG = DeviceListActivity.class.getSimpleName();
private UsbManager mUsbManager;
private UsbSerialPort mSerialPort;
private ListView mListView;
private TextView mProgressBarTitle;
private ProgressBar mProgressBar;
private static final int MESSAGE_REFRESH = 101;
private static final long REFRESH_TIMEOUT_MILLIS = 5000;
public static final String INTENT_ACTION_GRANT_USB = BuildConfig.APPLICATION_ID + ".GRANT_USB";
private final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MESSAGE_REFRESH:
refreshDeviceList();
mHandler.sendEmptyMessageDelayed(MESSAGE_REFRESH, REFRESH_TIMEOUT_MILLIS);
break;
default:
super.handleMessage(msg);
break;
}
}
};
private BroadcastReceiver mUsbReceiver;
private List<UsbSerialPort> mEntries = new ArrayList<UsbSerialPort>();
private ArrayAdapter<UsbSerialPort> mAdapter;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
final Context context = this;
mUsbManager = (UsbManager) getSystemService(Context.USB_SERVICE);
mListView = findViewById(R.id.deviceList);
mProgressBar = findViewById(R.id.progressBar);
mProgressBarTitle = findViewById(R.id.progressBarTitle);
mUsbReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if(intent.getAction().equals(INTENT_ACTION_GRANT_USB)) {
if (intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false)) {
showConsoleActivity(mSerialPort);
} else {
Toast.makeText(context, "USB permission denied", Toast.LENGTH_SHORT).show();
}
}
}
};
mAdapter = new ArrayAdapter<UsbSerialPort>(this,
android.R.layout.simple_expandable_list_item_2, mEntries) {
@Override
public View getView(int position, View convertView, ViewGroup parent) {
final TwoLineListItem row;
if (convertView == null){
final LayoutInflater inflater =
(LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
row = (TwoLineListItem) inflater.inflate(android.R.layout.simple_list_item_2, null);
} else {
row = (TwoLineListItem) convertView;
}
final UsbSerialPort port = mEntries.get(position);
final UsbSerialDriver driver = port.getDriver();
final UsbDevice device = driver.getDevice();
final String title = String.format("Vendor %4X Product %4X", device.getVendorId(), device.getProductId());
row.getText1().setText(title);
final String subtitle = driver.getClass().getSimpleName();
row.getText2().setText(subtitle);
return row;
}
};
mListView.setAdapter(mAdapter);
mListView.setOnItemClickListener(new ListView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Log.d(TAG, "Pressed item " + position);
if (position >= mEntries.size()) {
Log.w(TAG, "Illegal position.");
return;
}
mSerialPort = mEntries.get(position);
UsbDevice device = mSerialPort.getDriver().getDevice();
if (!mUsbManager.hasPermission(device)) {
PendingIntent usbPermissionIntent = PendingIntent.getBroadcast(context, 0, new Intent(INTENT_ACTION_GRANT_USB), 0);
mUsbManager.requestPermission(device, usbPermissionIntent);
} else {
showConsoleActivity(mSerialPort);
}
}
});
}
@Override
protected void onResume() {
super.onResume();
mHandler.sendEmptyMessage(MESSAGE_REFRESH);
registerReceiver(mUsbReceiver, new IntentFilter(INTENT_ACTION_GRANT_USB));
}
@Override
protected void onPause() {
super.onPause();
mHandler.removeMessages(MESSAGE_REFRESH);
unregisterReceiver(mUsbReceiver);
}
private void refreshDeviceList() {
showProgressBar();
new AsyncTask<Void, Void, List<UsbSerialPort>>() {
@Override
protected List<UsbSerialPort> doInBackground(Void... params) {
Log.d(TAG, "Refreshing device list ...");
SystemClock.sleep(1000);
final List<UsbSerialDriver> drivers =
UsbSerialProber.getDefaultProber().findAllDrivers(mUsbManager);
final List<UsbSerialPort> result = new ArrayList<UsbSerialPort>();
for (final UsbSerialDriver driver : drivers) {
final List<UsbSerialPort> ports = driver.getPorts();
Log.d(TAG, String.format("+ %s: %s port%s",
driver, Integer.valueOf(ports.size()), ports.size() == 1 ? "" : "s"));
result.addAll(ports);
}
return result;
}
@Override
protected void onPostExecute(List<UsbSerialPort> result) {
mEntries.clear();
mEntries.addAll(result);
mAdapter.notifyDataSetChanged();
mProgressBarTitle.setText(
String.format("%s device(s) found",Integer.valueOf(mEntries.size())));
hideProgressBar();
Log.d(TAG, "Done refreshing, " + mEntries.size() + " entries found.");
}
}.execute((Void) null);
}
private void showProgressBar() {
mProgressBar.setVisibility(View.VISIBLE);
mProgressBarTitle.setText(R.string.refreshing);
}
private void hideProgressBar() {
mProgressBar.setVisibility(View.INVISIBLE);
}
private void showConsoleActivity(UsbSerialPort port) {
SerialConsoleActivity.show(this, port);
}
}

151
usbSerialExamples/src/main/java/com/hoho/android/usbserial/examples/DevicesFragment.java Normal file
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@ -0,0 +1,151 @@
package com.hoho.android.usbserial.examples;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.hardware.usb.UsbDevice;
import android.hardware.usb.UsbManager;
import android.os.Bundle;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.ListFragment;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.hoho.android.usbserial.driver.UsbSerialDriver;
import com.hoho.android.usbserial.driver.UsbSerialProber;
import java.util.ArrayList;
import java.util.Locale;
public class DevicesFragment extends ListFragment {
class ListItem {
UsbDevice device;
int port;
UsbSerialDriver driver;
ListItem(UsbDevice device, int port, UsbSerialDriver driver) {
this.device = device;
this.port = port;
this.driver = driver;
}
}
private ArrayList<ListItem> listItems = new ArrayList<>();
private ArrayAdapter<ListItem> listAdapter;
private int baudRate = 19200;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
listAdapter = new ArrayAdapter<ListItem>(getActivity(), 0, listItems) {
@Override
public View getView(int position, View view, ViewGroup parent) {
ListItem item = listItems.get(position);
if (view == null)
view = getActivity().getLayoutInflater().inflate(R.layout.device_list_item, parent, false);
TextView text1 = view.findViewById(R.id.text1);
TextView text2 = view.findViewById(R.id.text2);
if(item.driver == null)
text1.setText("<no driver>");
else if(item.driver.getPorts().size() == 1)
text1.setText(item.driver.getClass().getSimpleName().replace("SerialDriver",""));
else
text1.setText(item.driver.getClass().getSimpleName().replace("SerialDriver","")+", Port "+item.port);
text2.setText(String.format(Locale.US, "Vendor %04X, Product %04X", item.device.getVendorId(), item.device.getProductId()));
return view;
}
};
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setListAdapter(null);
View header = getActivity().getLayoutInflater().inflate(R.layout.device_list_header, null, false);
getListView().addHeaderView(header, null, false);
setEmptyText("<no USB devices found>");
((TextView) getListView().getEmptyView()).setTextSize(18);
setListAdapter(listAdapter);
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.menu_devices, menu);
}
@Override
public void onResume() {
super.onResume();
refresh();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if(id == R.id.refresh) {
refresh();
return true;
} else if (id ==R.id.baud_rate) {
final String[] baudRates = getResources().getStringArray(R.array.baud_rates);
int pos = java.util.Arrays.asList(baudRates).indexOf(String.valueOf(baudRate));
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setTitle("Baud rate");
builder.setSingleChoiceItems(baudRates, pos, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int item) {
baudRate = Integer.valueOf(baudRates[item]);
dialog.dismiss();
}
});
builder.create().show();
return true;
} else {
return super.onOptionsItemSelected(item);
}
}
void refresh() {
UsbManager usbManager = (UsbManager) getActivity().getSystemService(Context.USB_SERVICE);
UsbSerialProber usbDefaultProber = UsbSerialProber.getDefaultProber();
UsbSerialProber usbCustomProber = CustomProber.getCustomProber();
listItems.clear();
for(UsbDevice device : usbManager.getDeviceList().values()) {
UsbSerialDriver driver = usbDefaultProber.probeDevice(device);
if(driver == null) {
driver = usbCustomProber.probeDevice(device);
}
if(driver != null) {
for(int port = 0; port < driver.getPorts().size(); port++)
listItems.add(new ListItem(device, port, driver));
} else {
listItems.add(new ListItem(device, 0, null));
}
}
listAdapter.notifyDataSetChanged();
}
@Override
public void onListItemClick(ListView l, View v, int position, long id) {
ListItem item = listItems.get(position-1);
if(item.driver == null) {
Toast.makeText(getActivity(), "no driver", Toast.LENGTH_SHORT).show();
} else {
Bundle args = new Bundle();
args.putInt("device", item.device.getDeviceId());
args.putInt("port", item.port);
args.putInt("baud", baudRate);
Fragment fragment = new TerminalFragment();
fragment.setArguments(args);
getFragmentManager().beginTransaction().replace(R.id.fragment, fragment, "terminal").addToBackStack(null).commit();
}
}
}

45
usbSerialExamples/src/main/java/com/hoho/android/usbserial/examples/MainActivity.java Normal file
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@ -0,0 +1,45 @@
package com.hoho.android.usbserial.examples;
import android.content.Intent;
import android.os.Bundle;
import androidx.fragment.app.FragmentManager;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
public class MainActivity extends AppCompatActivity implements FragmentManager.OnBackStackChangedListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
getSupportFragmentManager().addOnBackStackChangedListener(this);
if (savedInstanceState == null)
getSupportFragmentManager().beginTransaction().add(R.id.fragment, new DevicesFragment(), "devices").commit();
else
onBackStackChanged();
}
@Override
public void onBackStackChanged() {
getSupportActionBar().setDisplayHomeAsUpEnabled(getSupportFragmentManager().getBackStackEntryCount()>0);
}
@Override
public boolean onSupportNavigateUp() {
onBackPressed();
return true;
}
@Override
protected void onNewIntent(Intent intent) {
if(intent.getAction().equals("android.hardware.usb.action.USB_DEVICE_ATTACHED")) {
TerminalFragment terminal = (TerminalFragment)getSupportFragmentManager().findFragmentByTag("terminal");
if (terminal != null)
terminal.status("USB device detected");
}
super.onNewIntent(intent);
}
}

230
usbSerialExamples/src/main/java/com/hoho/android/usbserial/examples/SerialConsoleActivity.java
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@ -1,230 +0,0 @@
/* Copyright 2011-2013 Google Inc.
* Copyright 2013 mike wakerly <opensource@hoho.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* Project home page: https://github.com/mik3y/usb-serial-for-android
*/
package com.hoho.android.usbserial.examples;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.hardware.usb.UsbDeviceConnection;
import android.hardware.usb.UsbManager;
import android.os.Bundle;
import android.util.Log;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.ScrollView;
import android.widget.TextView;
import com.hoho.android.usbserial.driver.UsbSerialPort;
import com.hoho.android.usbserial.util.HexDump;
import com.hoho.android.usbserial.util.SerialInputOutputManager;
import java.io.IOException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
/**
* Monitors a single {@link UsbSerialPort} instance, showing all data
* received.
*
* @author mike wakerly (opensource@hoho.com)
*/
public class SerialConsoleActivity extends Activity {
private final String TAG = SerialConsoleActivity.class.getSimpleName();
/**
* Driver instance, passed in statically via
* {@link #show(Context, UsbSerialPort)}.
*
* <p/>
* This is a devious hack; it'd be cleaner to re-create the driver using
* arguments passed in with the {@link #startActivity(Intent)} intent. We
* can get away with it because both activities will run in the same
* process, and this is a simple demo.
*/
private static UsbSerialPort sPort = null;
private TextView mTitleTextView;
private TextView mDumpTextView;
private ScrollView mScrollView;
private CheckBox chkDTR;
private CheckBox chkRTS;
private final ExecutorService mExecutor = Executors.newSingleThreadExecutor();
private SerialInputOutputManager mSerialIoManager;
private final SerialInputOutputManager.Listener mListener =
new SerialInputOutputManager.Listener() {
@Override
public void onRunError(Exception e) {
Log.d(TAG, "Runner stopped.");
}
@Override
public void onNewData(final byte[] data) {
SerialConsoleActivity.this.runOnUiThread(new Runnable() {
@Override
public void run() {
SerialConsoleActivity.this.updateReceivedData(data);
}
});
}
};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.serial_console);
mTitleTextView = (TextView) findViewById(R.id.demoTitle);
mDumpTextView = (TextView) findViewById(R.id.consoleText);
mScrollView = (ScrollView) findViewById(R.id.demoScroller);
chkDTR = (CheckBox) findViewById(R.id.checkBoxDTR);
chkRTS = (CheckBox) findViewById(R.id.checkBoxRTS);
chkDTR.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
try {
sPort.setDTR(isChecked);
}catch (IOException x){}
}
});
chkRTS.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
try {
sPort.setRTS(isChecked);
}catch (IOException x){}
}
});
}
@Override
protected void onPause() {
super.onPause();
stopIoManager();
if (sPort != null) {
try {
sPort.close();
} catch (IOException e) {
// Ignore.
}
sPort = null;
}
finish();
}
void showStatus(TextView theTextView, String theLabel, boolean theValue){
String msg = theLabel + ": " + (theValue ? "enabled" : "disabled") + "\n";
theTextView.append(msg);
}
@Override
protected void onResume() {
super.onResume();
Log.d(TAG, "Resumed, port=" + sPort);
if (sPort == null) {
mTitleTextView.setText("No serial device.");
} else {
final UsbManager usbManager = (UsbManager) getSystemService(Context.USB_SERVICE);
UsbDeviceConnection connection = usbManager.openDevice(sPort.getDriver().getDevice());
if (connection == null) {
mTitleTextView.setText("Opening device failed");
return;
}
try {
sPort.open(connection);
sPort.setParameters(115200, 8, UsbSerialPort.STOPBITS_1, UsbSerialPort.PARITY_NONE);
showStatus(mDumpTextView, "CD - Carrier Detect", sPort.getCD());
showStatus(mDumpTextView, "CTS - Clear To Send", sPort.getCTS());
showStatus(mDumpTextView, "DSR - Data Set Ready", sPort.getDSR());
showStatus(mDumpTextView, "DTR - Data Terminal Ready", sPort.getDTR());
showStatus(mDumpTextView, "DSR - Data Set Ready", sPort.getDSR());
showStatus(mDumpTextView, "RI - Ring Indicator", sPort.getRI());
showStatus(mDumpTextView, "RTS - Request To Send", sPort.getRTS());
} catch (IOException e) {
Log.e(TAG, "Error setting up device: " + e.getMessage(), e);
mTitleTextView.setText("Error opening device: " + e.getMessage());
try {
sPort.close();
} catch (IOException e2) {
// Ignore.
}
sPort = null;
return;
}
mTitleTextView.setText("Serial device: " + sPort.getClass().getSimpleName());
}
onDeviceStateChange();
}
private void stopIoManager() {
if (mSerialIoManager != null) {
Log.i(TAG, "Stopping io manager ..");
mSerialIoManager.stop();
mSerialIoManager = null;
}
}
private void startIoManager() {
if (sPort != null) {
Log.i(TAG, "Starting io manager ..");
mSerialIoManager = new SerialInputOutputManager(sPort, mListener);
mExecutor.submit(mSerialIoManager);
}
}
private void onDeviceStateChange() {
stopIoManager();
startIoManager();
}
private void updateReceivedData(byte[] data) {
final String message = "Read " + data.length + " bytes: \n"
+ HexDump.dumpHexString(data) + "\n\n";
mDumpTextView.append(message);
mScrollView.smoothScrollTo(0, mDumpTextView.getBottom());
}
/**
* Starts the activity, using the supplied driver instance.
*
* @param context
* @param driver
*/
static void show(Context context, UsbSerialPort port) {
sPort = port;
final Intent intent = new Intent(context, SerialConsoleActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_NO_HISTORY);
context.startActivity(intent);
}
}

315
usbSerialExamples/src/main/java/com/hoho/android/usbserial/examples/TerminalFragment.java Normal file
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@ -0,0 +1,315 @@
package com.hoho.android.usbserial.examples;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.hardware.usb.UsbDevice;
import android.hardware.usb.UsbDeviceConnection;
import android.hardware.usb.UsbManager;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.method.ScrollingMovementMethod;
import android.text.style.ForegroundColorSpan;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.ToggleButton;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import com.hoho.android.usbserial.driver.UsbSerialDriver;
import com.hoho.android.usbserial.driver.UsbSerialPort;
import com.hoho.android.usbserial.driver.UsbSerialProber;
import com.hoho.android.usbserial.util.HexDump;
import com.hoho.android.usbserial.util.SerialInputOutputManager;
import java.io.IOException;
import java.util.concurrent.Executors;
public class TerminalFragment extends Fragment implements SerialInputOutputManager.Listener {
private enum UsbPermission { Unknown, Requested, Granted, Denied };
private static final String INTENT_ACTION_GRANT_USB = BuildConfig.APPLICATION_ID + ".GRANT_USB";
private static final int WRITE_WAIT_MILLIS = 2000;
private int deviceId, portNum, baudRate;
private BroadcastReceiver broadcastReceiver;
private Handler mainLooper;
private TextView receiveText;
private ControlLines controlLines;
private SerialInputOutputManager usbIoManager;
private UsbSerialPort usbSerialPort;
private UsbPermission usbPermission = UsbPermission.Unknown;
private boolean connected = false;
public TerminalFragment() {
broadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if(intent.getAction().equals(INTENT_ACTION_GRANT_USB)) {
usbPermission = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false)
? UsbPermission.Granted : UsbPermission.Denied;
connect();
}
}
};
mainLooper = new Handler(Looper.getMainLooper());
}
/*
* Lifecycle
*/
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
setRetainInstance(true);
deviceId = getArguments().getInt("device");
portNum = getArguments().getInt("port");
baudRate = getArguments().getInt("baud");
}
@Override
public void onResume() {
super.onResume();
getActivity().registerReceiver(broadcastReceiver, new IntentFilter(INTENT_ACTION_GRANT_USB));
if(usbPermission == UsbPermission.Unknown || usbPermission == UsbPermission.Granted)
mainLooper.post(this::connect);
}
@Override
public void onPause() {
if(connected) {
status("disconnected");
disconnect();
}
getActivity().unregisterReceiver(broadcastReceiver);
super.onPause();
}
/*
* UI
*/
@Override
public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_terminal, container, false);
receiveText = view.findViewById(R.id.receive_text); // TextView performance decreases with number of spans
receiveText.setTextColor(getResources().getColor(R.color.colorRecieveText)); // set as default color to reduce number of spans
receiveText.setMovementMethod(ScrollingMovementMethod.getInstance());
TextView sendText = view.findViewById(R.id.send_text);
View sendBtn = view.findViewById(R.id.send_btn);
sendBtn.setOnClickListener(v -> send(sendText.getText().toString()));
controlLines = new ControlLines(view);
return view;
}
@Override
public void onCreateOptionsMenu(@NonNull Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.menu_terminal, menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.clear) {
receiveText.setText("");
return true;
} else {
return super.onOptionsItemSelected(item);
}
}
/*
* Serial
*/
@Override
public void onNewData(byte[] data) {
mainLooper.post(() -> {
receive(data);
});
}
@Override
public void onRunError(Exception e) {
mainLooper.post(() -> {
status("connection lost: " + e.getMessage());
disconnect();
});
}
/*
* Serial + UI
*/
private void connect() {
UsbDevice device = null;
UsbManager usbManager = (UsbManager) getActivity().getSystemService(Context.USB_SERVICE);
for(UsbDevice v : usbManager.getDeviceList().values())
if(v.getDeviceId() == deviceId)
device = v;
if(device == null) {
status("connection failed: device not found");
return;
}
UsbSerialDriver driver = UsbSerialProber.getDefaultProber().probeDevice(device);
if(driver == null) {
driver = CustomProber.getCustomProber().probeDevice(device);
}
if(driver == null) {
status("connection failed: no driver for device");
return;
}
if(driver.getPorts().size() < portNum) {
status("connection failed: not enough ports at device");
return;
}
usbSerialPort = driver.getPorts().get(portNum);
UsbDeviceConnection usbConnection = usbManager.openDevice(driver.getDevice());
if(usbConnection == null && usbPermission == UsbPermission.Unknown && !usbManager.hasPermission(driver.getDevice())) {
usbPermission = UsbPermission.Requested;
PendingIntent usbPermissionIntent = PendingIntent.getBroadcast(getActivity(), 0, new Intent(INTENT_ACTION_GRANT_USB), 0);
usbManager.requestPermission(driver.getDevice(), usbPermissionIntent);
return;
}
if(usbConnection == null) {
if (!usbManager.hasPermission(driver.getDevice()))
status("connection failed: permission denied");
else
status("connection failed: open failed");
return;
}
try {
usbSerialPort.open(usbConnection);
usbSerialPort.setParameters(baudRate, 8, UsbSerialPort.STOPBITS_1, UsbSerialPort.PARITY_NONE);
usbIoManager = new SerialInputOutputManager(usbSerialPort, this);
Executors.newSingleThreadExecutor().submit(usbIoManager);
status("connected");
connected = true;
controlLines.start();
} catch (Exception e) {
status("connection failed: " + e.getMessage());
disconnect();
}
}
private void disconnect() {
connected = false;
controlLines.stop();
if(usbIoManager != null)
usbIoManager.stop();
usbIoManager = null;
try {
usbSerialPort.close();
} catch (IOException ignored) {}
usbSerialPort = null;
}
private void send(String str) {
if(!connected) {
Toast.makeText(getActivity(), "not connected", Toast.LENGTH_SHORT).show();
return;
}
try {
byte[] data = (str + '\n').getBytes();
SpannableStringBuilder spn = new SpannableStringBuilder();
spn.append("send " + data.length + " bytes:\n");
spn.append(HexDump.dumpHexString(data)+"\n");
spn.setSpan(new ForegroundColorSpan(getResources().getColor(R.color.colorSendText)), 0, spn.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
receiveText.append(spn);
usbSerialPort.write(data, WRITE_WAIT_MILLIS);
} catch (Exception e) {
onRunError(e);
}
}
private void receive(byte[] data) {
String str = new String(data);
SpannableStringBuilder spn = new SpannableStringBuilder();
spn.append("receive " + data.length + " bytes:\n");
spn.append(HexDump.dumpHexString(data)+"\n");
receiveText.append(spn);
}
void status(String str) {
SpannableStringBuilder spn = new SpannableStringBuilder(str+'\n');
spn.setSpan(new ForegroundColorSpan(getResources().getColor(R.color.colorStatusText)), 0, spn.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
receiveText.append(spn);
}
class ControlLines {
private static final int refreshInterval = 200; // msec
private Runnable runnable;
private ToggleButton rtsBtn, ctsBtn, dtrBtn, dsrBtn, cdBtn, riBtn;
ControlLines(View view) {
runnable = this::start; // w/o explicit Runnable, a new lambda would be created on each postDelayed, which would not be found again by removeCallbacks
rtsBtn = view.findViewById(R.id.controlLineRts);
ctsBtn = view.findViewById(R.id.controlLineCts);
dtrBtn = view.findViewById(R.id.controlLineDtr);
dsrBtn = view.findViewById(R.id.controlLineDsr);
cdBtn = view.findViewById(R.id.controlLineCd);
riBtn = view.findViewById(R.id.controlLineRi);
rtsBtn.setOnClickListener(this::toggle);
dtrBtn.setOnClickListener(this::toggle);
}
private void toggle(View v) {
ToggleButton btn = (ToggleButton) v;
if (!connected) {
btn.setChecked(!btn.isChecked());
Toast.makeText(getActivity(), "not connected", Toast.LENGTH_SHORT).show();
return;
}
String ctrl = "";
try {
if (btn.equals(rtsBtn)) { ctrl = "RTS"; usbSerialPort.setRTS(btn.isChecked()); }
if (btn.equals(dtrBtn)) { ctrl = "DTR"; usbSerialPort.setDTR(btn.isChecked()); }
} catch (IOException e) {
status("set" + ctrl + " failed: " + e.getMessage());
}
}
private boolean refresh() {
String ctrl = "";
try {
ctrl = "RTS"; rtsBtn.setChecked(usbSerialPort.getRTS());
ctrl = "CTS"; ctsBtn.setChecked(usbSerialPort.getCTS());
ctrl = "DTR"; dtrBtn.setChecked(usbSerialPort.getDTR());
ctrl = "DSR"; dsrBtn.setChecked(usbSerialPort.getDSR());
ctrl = "CD"; cdBtn.setChecked(usbSerialPort.getCD());
ctrl = "RI"; riBtn.setChecked(usbSerialPort.getRI());
} catch (IOException e) {
status("get" + ctrl + " failed: " + e.getMessage() + " -> stopped control line refresh");
return false;
}
return true;
}
void start() {
if (connected && refresh())
mainLooper.postDelayed(runnable, refreshInterval);
}
void stop() {
mainLooper.removeCallbacks(runnable);
}
}
}

41
usbSerialExamples/src/main/java/com/hoho/android/usbserial/util/HexDump.java
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@ -16,6 +16,8 @@
package com.hoho.android.usbserial.util;
import java.security.InvalidParameterException;
/**
* Clone of Android's HexDump class, for use in debugging. Cosmetic changes
* only.
@ -32,17 +34,12 @@ public class HexDump {
public static String dumpHexString(byte[] array, int offset, int length) {
StringBuilder result = new StringBuilder();
byte[] line = new byte[16];
byte[] line = new byte[8];
int lineIndex = 0;
result.append("\n0x");
result.append(toHexString(offset));
for (int i = offset; i < offset + length; i++) {
if (lineIndex == 16) {
result.append(" ");
for (int j = 0; j < 16; j++) {
if (lineIndex == line.length) {
for (int j = 0; j < line.length; j++) {
if (line[j] > ' ' && line[j] < '~') {
result.append(new String(line, j, 1));
} else {
@ -50,32 +47,26 @@ public class HexDump {
}
}
result.append("\n0x");
result.append(toHexString(i));
result.append("\n");
lineIndex = 0;
}
byte b = array[i];
result.append(" ");
result.append(HEX_DIGITS[(b >>> 4) & 0x0F]);
result.append(HEX_DIGITS[b & 0x0F]);
result.append(" ");
line[lineIndex++] = b;
}
if (lineIndex != 16) {
int count = (16 - lineIndex) * 3;
count++;
for (int i = 0; i < count; i++) {
result.append(" ");
}
for (int i = 0; i < lineIndex; i++) {
if (line[i] > ' ' && line[i] < '~') {
result.append(new String(line, i, 1));
} else {
result.append(".");
}
for (int i = 0; i < (line.length - lineIndex); i++) {
result.append(" ");
}
for (int i = 0; i < lineIndex; i++) {
if (line[i] > ' ' && line[i] < '~') {
result.append(new String(line, i, 1));
} else {
result.append(".");
}
}
@ -145,7 +136,7 @@ public class HexDump {
if (c >= 'a' && c <= 'f')
return (c - 'a' + 10);
throw new RuntimeException("Invalid hex char '" + c + "'");
throw new InvalidParameterException("Invalid hex char '" + c + "'");
}
public static byte[] hexStringToByteArray(String hexString) {

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9
usbSerialExamples/src/main/res/drawable/ic_delete_white_24dp.xml Normal file
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@ -0,0 +1,9 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24.0"
android:viewportHeight="24.0">
<path
android:fillColor="#FFFFFFFF"
android:pathData="M6,19c0,1.1 0.9,2 2,2h8c1.1,0 2,-0.9 2,-2V7H6v12zM19,4h-3.5l-1,-1h-5l-1,1H5v2h14V4z"/>
</vector>

9
usbSerialExamples/src/main/res/drawable/ic_send_white_24dp.xml Normal file
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@ -0,0 +1,9 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24.0"
android:viewportHeight="24.0">
<path
android:fillColor="#FFFFFFFF"
android:pathData="M2.01,21L23,12 2.01,3 2,10l15,2 -15,2z"/>
</vector>

28
usbSerialExamples/src/main/res/layout/activity_main.xml Normal file
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@ -0,0 +1,28 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<com.google.android.material.appbar.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<androidx.appcompat.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary" />
</com.google.android.material.appbar.AppBarLayout>
<RelativeLayout
android:id="@+id/fragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior"/>
</androidx.coordinatorlayout.widget.CoordinatorLayout>

17
usbSerialExamples/src/main/res/layout/device_list_header.xml Normal file
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@ -0,0 +1,17 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="?android:attr/listDivider"
android:orientation="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="12dp"
android:layout_marginBottom="12dp"
android:gravity="center"
android:text="@string/devices"
android:textAppearance="@style/TextAppearance.AppCompat.Medium" />
</LinearLayout>

26
usbSerialExamples/src/main/res/layout/device_list_item.xml Normal file
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@ -0,0 +1,26 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<TextView
android:id="@+id/text1"
android:layout_marginTop="12dp"
android:layout_marginStart="12dp"
android:layout_marginEnd="12dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAppearance="@style/TextAppearance.AppCompat.Medium" />
<TextView
android:id="@+id/text2"
android:layout_marginStart="20dp"
android:layout_marginEnd="20dp"
android:layout_marginBottom="12dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAppearance="@style/TextAppearance.AppCompat.Small" />
</LinearLayout>

122
usbSerialExamples/src/main/res/layout/fragment_terminal.xml Normal file
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@ -0,0 +1,122 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ToggleButton
android:id="@+id/controlLineRts"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:minWidth="48sp"
android:textOff="RTS"
android:textOn="RTS" />
<ToggleButton
android:id="@+id/controlLineCts"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:minWidth="48sp"
android:clickable="false"
android:textColor="@android:color/secondary_text_dark"
android:textOff="CTS"
android:textOn="CTS" />
<View
android:layout_height="match_parent"
android:layout_width="6dp" />
<ToggleButton
android:id="@+id/controlLineDtr"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:minWidth="48sp"
android:textOff="DTR"
android:textOn="DTR" />
<ToggleButton
android:id="@+id/controlLineDsr"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:clickable="false"
android:minWidth="48sp"
android:textColor="@android:color/secondary_text_dark"
android:textOff="DSR"
android:textOn="DSR" />
<View
android:layout_height="match_parent"
android:layout_width="6dp" />
<ToggleButton
android:id="@+id/controlLineCd"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:clickable="false"
android:minWidth="48sp"
android:textColor="@android:color/secondary_text_dark"
android:textOff="CD"
android:textOn="CD" />
<ToggleButton
android:id="@+id/controlLineRi"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:minWidth="48sp"
android:clickable="false"
android:textColor="@android:color/secondary_text_dark"
android:textOff="RI"
android:textOn="RI" />
</LinearLayout>
<View
android:layout_width="match_parent"
android:background="?android:attr/listDivider"
android:layout_height="2dp" />
<TextView
android:id="@+id/receive_text"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:freezesText="true"
android:gravity="bottom"
android:scrollbars="vertical"
android:textAppearance="@style/TextAppearance.AppCompat.Medium"
android:typeface="monospace" />
<View
android:layout_width="match_parent"
android:background="?android:attr/listDivider"
android:layout_height="2dp" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<EditText
android:id="@+id/send_text"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:inputType="text|textNoSuggestions"
android:singleLine="true" />
<ImageButton
android:id="@+id/send_btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:srcCompat="@drawable/ic_send_white_24dp" />
</LinearLayout>
</LinearLayout>

50
usbSerialExamples/src/main/res/layout/main.xml
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@ -1,50 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView
android:id="@+id/demoTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:text="@string/app_title"
android:textSize="24sp"
android:textStyle="bold" />
<TextView
android:id="@+id/progressBarTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/demoTitle"
android:layout_centerHorizontal="true"
android:text="@string/refreshing"
android:padding="8dp"
android:textSize="18sp" />
<ProgressBar
android:id="@+id/progressBar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/progressBarTitle"
android:layout_centerHorizontal="true"
android:padding="8dp"
style="@android:style/Widget.Holo.ProgressBar.Horizontal"
android:indeterminate="true" />
<View
android:id="@+id/separator"
android:layout_width="match_parent"
android:layout_height="1dip"
android:layout_below="@+id/progressBar"
android:layout_centerHorizontal="true"
android:background="#eeeeee" />
<ListView
android:id="@+id/deviceList"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/separator" />
</RelativeLayout>

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@ -1,54 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView
android:id="@+id/demoTitle"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:text="@string/app_title"
android:textSize="24sp"
android:textStyle="bold" />
<View
android:id="@+id/separator"
android:layout_width="match_parent"
android:layout_height="1dip"
android:background="#eeeeee" />
<CheckBox
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/textBtnDTR"
android:id="@+id/checkBoxDTR" />
<CheckBox
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/textBtnRTS"
android:id="@+id/checkBoxRTS" />
<View
android:id="@+id/separator2"
android:layout_width="match_parent"
android:layout_below="@+id/demoTitle"
android:layout_height="1dip"
android:background="#eeeeee" />
<ScrollView
android:id="@+id/demoScroller"
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
<TextView
android:id="@+id/consoleText"
android:textIsSelectable="true"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:typeface="monospace" />
</ScrollView>
</LinearLayout>

9
usbSerialExamples/src/main/res/menu/menu_devices.xml Normal file
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@ -0,0 +1,9 @@
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:id="@+id/refresh"
android:title="Refresh devices" />
<item
android:id="@+id/baud_rate"
android:title="Baud rate" />
</menu>

9
usbSerialExamples/src/main/res/menu/menu_terminal.xml Normal file
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@ -0,0 +1,9 @@
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:id="@+id/clear"
android:icon="@drawable/ic_delete_white_24dp"
android:title="Clear"
app:showAsAction="always" />
</menu>

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usbSerialExamples/src/main/res/values/arrays.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<string-array name="baud_rates">
<item>2400</item>
<item>9600</item>
<item>19200</item>
<item>57600</item>
<item>115200</item>
</string-array>
</resources>

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usbSerialExamples/src/main/res/values/colors.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="colorPrimary">#949C29</color>
<color name="colorPrimaryDark">#61671B</color>
<color name="colorAccent">#D8E33B</color>
<color name="colorRecieveText">#00FF00</color>
<color name="colorSendText">#82CAFF</color>
<color name="colorStatusText">#FFDB58</color>
</resources>

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usbSerialExamples/src/main/res/values/strings.xml
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_title">USB Serial Example</string>
<string name="app_name">Serial Example</string>
<string name="refreshing">Refreshing...</string>
<string name="textBtnRTS">RTS - Request To Send</string>
<string name="textBtnDTR">DTR - Data Terminal Ready</string>
<string name="app_title">USB Serial For Android Example</string>
<string name="app_name">USB Serial Example</string>
<string name="devices">USB Devices</string>
</resources>

7
usbSerialExamples/src/main/res/values/styles.xml Normal file
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<resources>
<style name="AppTheme" parent="Theme.AppCompat.NoActionBar">
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
</style>
</resources>