Update demo activity.

Demo now consists of two activities:
  - DeviceListActivity shows all usb devices (including unsupported ones)
    in a ListView.
  - SerialConsoleActivity dumps the data stream for a device selected in
    DeviceListActivity.
pull/36/head
mike wakerly 2013-05-22 13:04:05 -07:00
rodzic b07bbcf292
commit b709823906
7 zmienionych plików z 372 dodań i 55 usunięć

Wyświetl plik

@ -5,28 +5,35 @@
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="12" />
<uses-feature android:name="android.hardware.usb.host" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:name="com.hoho.android.usbserial.examples.DeviceListActivity"
android:label="@string/app_name"
android:name="com.hoho.android.usbserial.examples.DemoActivity" >
<intent-filter >
android:theme="@android:style/Theme.Black.NoTitleBar.Fullscreen" >
<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" />
<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>

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@ -1,26 +1,50 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<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:text="@string/hello" />
<ScrollView
android:id="@+id/demoScroller"
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="wrap_content" >
android:layout_height="1dip"
android:layout_below="@+id/progressBar"
android:layout_centerHorizontal="true"
android:background="#eeeeee" />
<TextView
android:id="@+id/demoText"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:typeface="monospace" />
</ScrollView>
<ListView
android:id="@+id/deviceList"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/separator" />
</LinearLayout>
</RelativeLayout>

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@ -0,0 +1,36 @@
<?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="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_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"
android:layout_below="@+id/separator" >
<TextView
android:id="@+id/consoleText"
android:textIsSelectable="true"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:typeface="monospace" />
</ScrollView>
</RelativeLayout>

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@ -1,7 +1,8 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="hello">Hello World, DemoActivity!</string>
<string name="app_name">UsbSerialExamples</string>
<string name="app_title">USB Serial Example</string>
<string name="app_name">Serial Example</string>
<string name="refreshing">Refreshing...</string>
</resources>

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@ -0,0 +1,221 @@
/* Copyright 2011 Google Inc.
*
* 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: http://code.google.com/p/usb-serial-for-android/
*/
package com.hoho.android.usbserial.examples;
import android.app.Activity;
import android.content.Context;
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.TwoLineListItem;
import com.hoho.android.usbserial.driver.UsbSerialDriver;
import com.hoho.android.usbserial.driver.UsbSerialProber;
import com.hoho.android.usbserial.util.HexDump;
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 ListView mListView;
private TextView mProgressBarTitle;
private ProgressBar mProgressBar;
private static final int MESSAGE_REFRESH = 101;
private static final long REFRESH_TIMEOUT_MILLIS = 5000;
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;
}
}
};
/** Simple container for a UsbDevice and its driver. */
private static class DeviceEntry {
public UsbDevice device;
public UsbSerialDriver driver;
DeviceEntry(UsbDevice device, UsbSerialDriver driver) {
this.device = device;
this.driver = driver;
}
}
private List<DeviceEntry> mEntries = new ArrayList<DeviceEntry>();
private ArrayAdapter<DeviceEntry> mAdapter;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mUsbManager = (UsbManager) getSystemService(Context.USB_SERVICE);
mListView = (ListView) findViewById(R.id.deviceList);
mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
mProgressBarTitle = (TextView) findViewById(R.id.progressBarTitle);
mAdapter = new ArrayAdapter<DeviceEntry>(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 DeviceEntry entry = mEntries.get(position);
final String title = String.format("Vendor %s Product %s",
HexDump.toHexString((short) entry.device.getVendorId()),
HexDump.toHexString((short) entry.device.getProductId()));
row.getText1().setText(title);
final String subtitle = entry.driver != null ?
entry.driver.getClass().getSimpleName() : "No Driver";
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;
}
final DeviceEntry entry = mEntries.get(position);
final UsbSerialDriver driver = entry.driver;
if (driver == null) {
Log.d(TAG, "No driver.");
return;
}
showConsoleActivity(driver);
}
});
}
@Override
protected void onResume() {
super.onResume();
mHandler.sendEmptyMessage(MESSAGE_REFRESH);
}
@Override
protected void onPause() {
super.onPause();
mHandler.removeMessages(MESSAGE_REFRESH);
}
private void refreshDeviceList() {
showProgressBar();
new AsyncTask<Void, Void, List<DeviceEntry>>() {
@Override
protected List<DeviceEntry> doInBackground(Void... params) {
Log.d(TAG, "Refreshing device list ...");
SystemClock.sleep(1000);
final List<DeviceEntry> result = new ArrayList<DeviceEntry>();
for (final UsbDevice device : mUsbManager.getDeviceList().values()) {
final List<UsbSerialDriver> drivers =
UsbSerialProber.probeSingleDevice(mUsbManager, device);
Log.d(TAG, "Found usb device: " + device);
if (drivers.isEmpty()) {
Log.d(TAG, " - No UsbSerialDriver available.");
result.add(new DeviceEntry(device, null));
} else {
for (UsbSerialDriver driver : drivers) {
Log.d(TAG, " + " + driver);
result.add(new DeviceEntry(device, driver));
}
}
}
return result;
}
@Override
protected void onPostExecute(List<DeviceEntry> 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(UsbSerialDriver driver) {
SerialConsoleActivity.show(this, driver);
}
}

Wyświetl plik

@ -22,14 +22,13 @@ package com.hoho.android.usbserial.examples;
import android.app.Activity;
import android.content.Context;
import android.hardware.usb.UsbManager;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.widget.ScrollView;
import android.widget.TextView;
import com.hoho.android.usbserial.driver.UsbSerialDriver;
import com.hoho.android.usbserial.driver.UsbSerialProber;
import com.hoho.android.usbserial.util.HexDump;
import com.hoho.android.usbserial.util.SerialInputOutputManager;
@ -38,23 +37,26 @@ import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
/**
* A sample Activity demonstrating USB-Serial support.
* Monitors a single {@link UsbSerialDriver} instance, showing all data
* received.
*
* @author mike wakerly (opensource@hoho.com)
*/
public class DemoActivity extends Activity {
public class SerialConsoleActivity extends Activity {
private final String TAG = DemoActivity.class.getSimpleName();
private final String TAG = SerialConsoleActivity.class.getSimpleName();
/**
* The device currently in use, or {@code null}.
* Driver instance, passed in statically via
* {@link #show(Context, UsbSerialDriver)}.
*
* <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 UsbSerialDriver mSerialDevice;
/**
* The system's USB service.
*/
private UsbManager mUsbManager;
private static UsbSerialDriver sDriver = null;
private TextView mTitleTextView;
private TextView mDumpTextView;
@ -74,10 +76,10 @@ public class DemoActivity extends Activity {
@Override
public void onNewData(final byte[] data) {
DemoActivity.this.runOnUiThread(new Runnable() {
SerialConsoleActivity.this.runOnUiThread(new Runnable() {
@Override
public void run() {
DemoActivity.this.updateReceivedData(data);
SerialConsoleActivity.this.updateReceivedData(data);
}
});
}
@ -86,10 +88,9 @@ public class DemoActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mUsbManager = (UsbManager) getSystemService(Context.USB_SERVICE);
setContentView(R.layout.serial_console);
mTitleTextView = (TextView) findViewById(R.id.demoTitle);
mDumpTextView = (TextView) findViewById(R.id.demoText);
mDumpTextView = (TextView) findViewById(R.id.consoleText);
mScrollView = (ScrollView) findViewById(R.id.demoScroller);
}
@ -97,38 +98,39 @@ public class DemoActivity extends Activity {
protected void onPause() {
super.onPause();
stopIoManager();
if (mSerialDevice != null) {
if (sDriver != null) {
try {
mSerialDevice.close();
sDriver.close();
} catch (IOException e) {
// Ignore.
}
mSerialDevice = null;
sDriver = null;
}
finish();
}
@Override
protected void onResume() {
super.onResume();
mSerialDevice = UsbSerialProber.findFirstDevice(mUsbManager);
Log.d(TAG, "Resumed, mSerialDevice=" + mSerialDevice);
if (mSerialDevice == null) {
Log.d(TAG, "Resumed, sDriver=" + sDriver);
if (sDriver == null) {
mTitleTextView.setText("No serial device.");
} else {
try {
mSerialDevice.open();
sDriver.open();
sDriver.setParameters(115200, 8, UsbSerialDriver.STOPBITS_1, UsbSerialDriver.PARITY_NONE);
} catch (IOException e) {
Log.e(TAG, "Error setting up device: " + e.getMessage(), e);
mTitleTextView.setText("Error opening device: " + e.getMessage());
try {
mSerialDevice.close();
sDriver.close();
} catch (IOException e2) {
// Ignore.
}
mSerialDevice = null;
sDriver = null;
return;
}
mTitleTextView.setText("Serial device: " + mSerialDevice);
mTitleTextView.setText("Serial device: " + sDriver.getClass().getSimpleName());
}
onDeviceStateChange();
}
@ -142,9 +144,9 @@ public class DemoActivity extends Activity {
}
private void startIoManager() {
if (mSerialDevice != null) {
if (sDriver != null) {
Log.i(TAG, "Starting io manager ..");
mSerialIoManager = new SerialInputOutputManager(mSerialDevice, mListener);
mSerialIoManager = new SerialInputOutputManager(sDriver, mListener);
mExecutor.submit(mSerialIoManager);
}
}
@ -161,4 +163,17 @@ public class DemoActivity extends Activity {
mScrollView.smoothScrollTo(0, mDumpTextView.getBottom());
}
/**
* Starts the activity, using the supplied driver instance.
*
* @param context
* @param driver
*/
static void show(Context context, UsbSerialDriver driver) {
sDriver = driver;
final Intent intent = new Intent(context, SerialConsoleActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_NO_HISTORY);
context.startActivity(intent);
}
}

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@ -107,6 +107,10 @@ public class HexDump {
return toHexString(toByteArray(i));
}
public static String toHexString(short i) {
return toHexString(toByteArray(i));
}
public static byte[] toByteArray(byte b) {
byte[] array = new byte[1];
array[0] = b;
@ -124,6 +128,15 @@ public class HexDump {
return array;
}
public static byte[] toByteArray(short i) {
byte[] array = new byte[2];
array[1] = (byte) (i & 0xFF);
array[0] = (byte) ((i >> 8) & 0xFF);
return array;
}
private static int toByte(char c) {
if (c >= '0' && c <= '9')
return (c - '0');