if (mUsbManager == null) {
IBinder b = ServiceManager.getService(USB_SERVICE);
IUsbManager service = IUsbManager.Stub.asInterface(b);
- mUsbManager = new UsbManager(service);
+ mUsbManager = new UsbManager(this, service);
}
}
return mUsbManager;
package android.hardware.usb;
+import android.app.PendingIntent;
import android.hardware.usb.UsbAccessory;
import android.os.Bundle;
import android.os.ParcelFileDescriptor;
*/
void setAccessoryPackage(in UsbAccessory accessory, String packageName);
+ /* Returns true if the caller has permission to access the accessory. */
+ boolean hasAccessoryPermission(in UsbAccessory accessory);
+
+ /* Requests permission for the given package to access the accessory.
+ * Will display a system dialog to query the user if permission
+ * had not already been given. Result is returned via pi.
+ */
+ void requestAccessoryPermission(in UsbAccessory accessory, String packageName,
+ in PendingIntent pi);
+
/* Grants permission for the given UID to access the accessory */
void grantAccessoryPermission(in UsbAccessory accessory, int uid);
/* Returns true if the USB manager has default preferences or permissions for the package */
- boolean hasDefaults(String packageName, int uid);
+ boolean hasDefaults(String packageName);
/* Clears default preferences and permissions for the package */
- oneway void clearDefaults(String packageName, int uid);
+ void clearDefaults(String packageName);
}
private final String mManufacturer;
private final String mModel;
- private final String mType;
+ private final String mDescription;
private final String mVersion;
+ private final String mUri;
/**
* UsbAccessory should only be instantiated by UsbService implementation
* @hide
*/
- public UsbAccessory(String manufacturer, String model, String type, String version) {
+ public UsbAccessory(String manufacturer, String model, String description,
+ String version, String uri) {
mManufacturer = manufacturer;
mModel = model;
- mType = type;
+ mDescription = description;
mVersion = version;
+ mUri = uri;
}
/**
public UsbAccessory(String[] strings) {
mManufacturer = strings[0];
mModel = strings[1];
- mType = strings[2];
+ mDescription = strings[2];
mVersion = strings[3];
+ mUri = strings[4];
}
/**
}
/**
- * Returns the type of the accessory.
+ * Returns a user visible description of the accessory.
*
- * @return the accessory type
+ * @return the accessory description
*/
- public String getType() {
- return mType;
+ public String getDescription() {
+ return mDescription;
}
/**
return mVersion;
}
+ /**
+ * Returns the URI for the accessory.
+ * This is an optional URI that might show information about the accessory
+ * or provide the option to download an application for the accessory
+ *
+ * @return the accessory URI
+ */
+ public String getUri() {
+ return mUri;
+ }
+
private static boolean compare(String s1, String s2) {
if (s1 == null) return (s2 == null);
return s1.equals(s2);
UsbAccessory accessory = (UsbAccessory)obj;
return (compare(mManufacturer, accessory.getManufacturer()) &&
compare(mModel, accessory.getModel()) &&
- compare(mType, accessory.getType()) &&
- compare(mVersion, accessory.getVersion()));
+ compare(mDescription, accessory.getDescription()) &&
+ compare(mVersion, accessory.getVersion()) &&
+ compare(mUri, accessory.getUri()));
}
return false;
}
@Override
+ public int hashCode() {
+ return ((mManufacturer == null ? 0 : mManufacturer.hashCode()) ^
+ (mModel == null ? 0 : mModel.hashCode()) ^
+ (mDescription == null ? 0 : mDescription.hashCode()) ^
+ (mVersion == null ? 0 : mVersion.hashCode()) ^
+ (mUri == null ? 0 : mUri.hashCode()));
+ }
+
+ @Override
public String toString() {
return "UsbAccessory[mManufacturer=" + mManufacturer +
", mModel=" + mModel +
- ", mType=" + mType +
- ", mVersion=" + mVersion + "]";
+ ", mDescription=" + mDescription +
+ ", mVersion=" + mVersion +
+ ", mUri=" + mUri + "]";
}
public static final Parcelable.Creator<UsbAccessory> CREATOR =
public UsbAccessory createFromParcel(Parcel in) {
String manufacturer = in.readString();
String model = in.readString();
- String type = in.readString();
+ String description = in.readString();
String version = in.readString();
- return new UsbAccessory(manufacturer, model, type, version);
+ String uri = in.readString();
+ return new UsbAccessory(manufacturer, model, description, version, uri);
}
public UsbAccessory[] newArray(int size) {
public void writeToParcel(Parcel parcel, int flags) {
parcel.writeString(mManufacturer);
parcel.writeString(mModel);
- parcel.writeString(mType);
+ parcel.writeString(mDescription);
parcel.writeString(mVersion);
+ parcel.writeString(mUri);
}
}
package android.hardware.usb;
+import android.app.PendingIntent;
+import android.content.Context;
import android.os.Bundle;
import android.os.ParcelFileDescriptor;
import android.os.RemoteException;
*
* This intent is sent when a USB accessory is detached.
* <ul>
- * <li> {@link #EXTRA_ACCESSORY} containing the {@link android.hardware.usb.UsbAccessory}
+ * <li> {@link #EXTRA_ACCESSORY} containing the {@link UsbAccessory}
* for the attached accessory that was detached
* </ul>
*/
*/
public static final String EXTRA_ACCESSORY = "accessory";
- private IUsbManager mService;
+ /**
+ * Name of extra added to the {@link android.app.PendingIntent}
+ * passed into {@link #requestPermission(UsbDevice, PendingIntent)}
+ * or {@link #requestPermission(UsbAccessory, PendingIntent)}
+ * containing a boolean value indicating whether the user granted permission or not.
+ */
+ public static final String EXTRA_PERMISSION_GRANTED = "permission";
+
+ private final Context mContext;
+ private final IUsbManager mService;
/**
* {@hide}
*/
- public UsbManager(IUsbManager service) {
+ public UsbManager(Context context, IUsbManager service) {
+ mContext = context;
mService = service;
}
return new UsbAccessory[] { accessory };
}
} catch (RemoteException e) {
- Log.e(TAG, "RemoteException in getAccessoryList" , e);
+ Log.e(TAG, "RemoteException in getAccessoryList", e);
return null;
}
}
try {
return mService.openAccessory(accessory);
} catch (RemoteException e) {
- Log.e(TAG, "RemoteException in openAccessory" , e);
+ Log.e(TAG, "RemoteException in openAccessory", e);
return null;
}
}
+ /**
+ * Returns true if the caller has permission to access the accessory.
+ * Permission might have been granted temporarily via
+ * {@link #requestPermission(UsbAccessory, PendingIntent)} or
+ * by the user choosing the caller as the default application for the accessory.
+ *
+ * @param accessory to check permissions for
+ * @return true if caller has permission
+ */
+ public boolean hasPermission(UsbAccessory accessory) {
+ try {
+ return mService.hasAccessoryPermission(accessory);
+ } catch (RemoteException e) {
+ Log.e(TAG, "RemoteException in hasPermission", e);
+ return false;
+ }
+ }
+
+ /**
+ * Requests temporary permission for the given package to access the accessory.
+ * This may result in a system dialog being displayed to the user
+ * if permission had not already been granted.
+ * Success or failure is returned via the {@link android.app.PendingIntent} pi.
+ * If successful, this grants the caller permission to access the accessory only
+ * until the device is disconnected.
+ *
+ * The following extras will be added to pi:
+ * <ul>
+ * <li> {@link #EXTRA_ACCESSORY} containing the accessory passed into this call
+ * <li> {@link #EXTRA_PERMISSION_GRANTED} containing boolean indicating whether
+ * permission was granted by the user
+ * </ul>
+ *
+ * @param accessory to request permissions for
+ * @param pi PendingIntent for returning result
+ */
+ public void requestPermission(UsbAccessory accessory, PendingIntent pi) {
+ try {
+ mService.requestAccessoryPermission(accessory, mContext.getPackageName(), pi);
+ } catch (RemoteException e) {
+ Log.e(TAG, "RemoteException in requestPermission", e);
+ }
+ }
+
private static File getFunctionEnableFile(String function) {
return new File("/sys/class/usb_composite/" + function + "/enable");
}
private final String mManufacturer;
private final String mModel;
- private final String mType;
+ private final String mDescription;
private final String mVersion;
+ private final String mUri;
/* package */ UsbAccessory(android.hardware.usb.UsbAccessory accessory) {
mManufacturer = accessory.getManufacturer();
mModel = accessory.getModel();
- mType = accessory.getType();
+ mDescription = accessory.getDescription();
mVersion = accessory.getVersion();
+ mUri = accessory.getUri();
}
/**
}
/**
- * Returns the type of the accessory.
+ * Returns a user visible description of the accessory.
*
- * @return the accessory type
+ * @return the accessory description
*/
- public String getType() {
- return mType;
+ public String getDescription() {
+ return mDescription;
}
/**
return mVersion;
}
+ /**
+ * Returns the URI for the accessory.
+ * This is an optional URI that might show information about the accessory
+ * or provide the option to download an application for the accessory
+ *
+ * @return the accessory URI
+ */
+ public String getUri() {
+ return mUri;
+ }
+
private static boolean compare(String s1, String s2) {
if (s1 == null) return (s2 == null);
return s1.equals(s2);
UsbAccessory accessory = (UsbAccessory)obj;
return (compare(mManufacturer, accessory.getManufacturer()) &&
compare(mModel, accessory.getModel()) &&
- compare(mType, accessory.getType()) &&
- compare(mVersion, accessory.getVersion()));
+ compare(mDescription, accessory.getDescription()) &&
+ compare(mVersion, accessory.getVersion()) &&
+ compare(mUri, accessory.getUri()));
}
return false;
}
@Override
+ public int hashCode() {
+ return ((mManufacturer == null ? 0 : mManufacturer.hashCode()) ^
+ (mModel == null ? 0 : mModel.hashCode()) ^
+ (mDescription == null ? 0 : mDescription.hashCode()) ^
+ (mVersion == null ? 0 : mVersion.hashCode()) ^
+ (mUri == null ? 0 : mUri.hashCode()));
+ }
+
+ @Override
public String toString() {
return "UsbAccessory[mManufacturer=" + mManufacturer +
", mModel=" + mModel +
- ", mType=" + mType +
- ", mVersion=" + mVersion + "]";
+ ", mDescription=" + mDescription +
+ ", mVersion=" + mVersion +
+ ", mUri=" + mUri + "]";
}
}
package com.android.future.usb;
+import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.hardware.usb.IUsbManager;
public static final String ACTION_USB_ACCESSORY_DETACHED =
"android.hardware.usb.action.USB_ACCESSORY_DETACHED";
+ /**
+ * Name of extra added to the {@link android.app.PendingIntent}
+ * passed into {#requestPermission} or {#requestPermission}
+ * containing a boolean value indicating whether the user granted permission or not.
+ */
+ public static final String EXTRA_PERMISSION_GRANTED = "permission";
+
+ private final Context mContext;
private final IUsbManager mService;
- private UsbManager(IUsbManager service) {
+ private UsbManager(Context context, IUsbManager service) {
+ mContext = context;
mService = service;
}
/**
* Returns a new instance of this class.
*
+ * @param context the caller's {@link android.content.Context}
* @return UsbManager instance.
*/
- public static UsbManager getInstance() {
+ public static UsbManager getInstance(Context context) {
IBinder b = ServiceManager.getService(Context.USB_SERVICE);
- return new UsbManager(IUsbManager.Stub.asInterface(b));
+ return new UsbManager(context, IUsbManager.Stub.asInterface(b));
}
/**
* Returns the {@link com.google.android.usb.UsbAccessory} for
* a {@link #ACTION_USB_ACCESSORY_ATTACHED} or {@link #ACTION_USB_ACCESSORY_ATTACHED}
- * broadcast Intent
+ * broadcast Intent. This can also be used to retrieve the accessory from the result
+ * of a call to {#requestPermission}.
*
- * @return UsbAccessory for the broadcast.
+ * @return UsbAccessory for the intent.
*/
public static UsbAccessory getAccessory(Intent intent) {
android.hardware.usb.UsbAccessory accessory =
try {
return mService.openAccessory(new android.hardware.usb.UsbAccessory(
accessory.getManufacturer(),accessory.getModel(),
- accessory.getType(), accessory.getVersion()));
+ accessory.getDescription(), accessory.getVersion(), accessory.getUri()));
} catch (RemoteException e) {
Log.e(TAG, "RemoteException in openAccessory" , e);
return null;
}
}
+
+ /**
+ * Returns true if the caller has permission to access the accessory.
+ * Permission might have been granted temporarily via
+ * {@link #requestPermission(android.hardware.usb.UsbAccessory} or
+ * by the user choosing the caller as the default application for the accessory.
+ *
+ * @param accessory to check permissions for
+ * @return true if caller has permission
+ */
+ public boolean hasPermission(UsbAccessory accessory) {
+ try {
+ return mService.hasAccessoryPermission(new android.hardware.usb.UsbAccessory(
+ accessory.getManufacturer(),accessory.getModel(),
+ accessory.getDescription(), accessory.getVersion(), accessory.getUri()));
+ } catch (RemoteException e) {
+ Log.e(TAG, "RemoteException in hasPermission", e);
+ return false;
+ }
+ }
+
+ /**
+ * Requests temporary permission for the given package to access the accessory.
+ * This may result in a system dialog being displayed to the user
+ * if permission had not already been granted.
+ * Success or failure is returned via the {@link android.app.PendingIntent} pi.
+ * The boolean extra {@link #EXTRA_PERMISSION_GRANTED} will be attached to the
+ * PendingIntent to indicate success or failure.
+ * If successful, this grants the caller permission to access the device only
+ * until the device is disconnected.
+ *
+ * @param accessory to request permissions for
+ * @param pi PendingIntent for returning result
+ */
+ public void requestPermission(UsbAccessory accessory, PendingIntent pi) {
+ try {
+ mService.requestAccessoryPermission(new android.hardware.usb.UsbAccessory(
+ accessory.getManufacturer(),accessory.getModel(),
+ accessory.getDescription(), accessory.getVersion(), accessory.getUri()),
+ mContext.getPackageName(), pi);
+ } catch (RemoteException e) {
+ Log.e(TAG, "RemoteException in requestPermission", e);
+ }
+ }
}
} else {
printf("Found possible android device - attempting to switch to accessory mode\n");
+ uint16_t protocol;
+ ret = usb_device_control_transfer(device, USB_DIR_IN | USB_TYPE_VENDOR,
+ ACCESSORY_GET_PROTOCOL, 0, 0, &protocol, sizeof(protocol), 0);
+ if (ret == 2)
+ printf("device supports protocol version %d\n", protocol);
+ else
+ fprintf(stderr, "failed to read protocol version\n");
+
send_string(device, ACCESSORY_STRING_MANUFACTURER, "Google, Inc.");
send_string(device, ACCESSORY_STRING_MODEL, "AccessoryChat");
- send_string(device, ACCESSORY_STRING_TYPE, "Sample Program");
+ send_string(device, ACCESSORY_STRING_DESCRIPTION, "Sample Program");
send_string(device, ACCESSORY_STRING_VERSION, "1.0");
+ send_string(device, ACCESSORY_STRING_URI, "http://www.android.com");
ret = usb_device_control_transfer(device, USB_DIR_OUT | USB_TYPE_VENDOR,
ACCESSORY_START, 0, 0, 0, 0, 0);
package com.android.accessorychat;
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.os.Bundle;
import android.os.Handler;
import android.os.Message;
public class AccessoryChat extends Activity implements Runnable, TextView.OnEditorActionListener {
private static final String TAG = "AccessoryChat";
- TextView mLog;
- EditText mEditText;
- ParcelFileDescriptor mFileDescriptor;
- FileInputStream mInputStream;
- FileOutputStream mOutputStream;
+
+ private static final String ACTION_USB_PERMISSION =
+ "com.android.accessorychat.action.USB_PERMISSION";
+
+ private TextView mLog;
+ private EditText mEditText;
+ private ParcelFileDescriptor mFileDescriptor;
+ private FileInputStream mInputStream;
+ private FileOutputStream mOutputStream;
+ private UsbManager mUsbManager;
+ private PendingIntent mPermissionIntent;
+ private boolean mPermissionRequestPending;
private static final int MESSAGE_LOG = 1;
+ private final BroadcastReceiver mUsbReceiver = new BroadcastReceiver() {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ if (ACTION_USB_PERMISSION.equals(intent.getAction())) {
+ synchronized (this) {
+ UsbAccessory accessory = UsbManager.getAccessory(intent);
+ if (intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false)) {
+ openAccessory(accessory);
+ } else {
+ Log.d(TAG, "permission denied for accessory " + accessory);
+ }
+ mPermissionRequestPending = false;
+ }
+ }
+ }
+ };
+
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
+ mUsbManager = UsbManager.getInstance(this);
+ mPermissionIntent = PendingIntent.getBroadcast(this, 0, new Intent(ACTION_USB_PERMISSION), 0);
+ IntentFilter filter = new IntentFilter(ACTION_USB_PERMISSION);
+ registerReceiver(mUsbReceiver, filter);
+
setContentView(R.layout.accessory_chat);
mLog = (TextView)findViewById(R.id.log);
mEditText = (EditText)findViewById(R.id.message);
Intent intent = getIntent();
Log.d(TAG, "intent: " + intent);
- UsbManager manager = UsbManager.getInstance();
- UsbAccessory[] accessories = manager.getAccessoryList();
+ UsbAccessory[] accessories = mUsbManager.getAccessoryList();
UsbAccessory accessory = (accessories == null ? null : accessories[0]);
if (accessory != null) {
- mFileDescriptor = manager.openAccessory(accessory);
- if (mFileDescriptor != null) {
- FileDescriptor fd = mFileDescriptor.getFileDescriptor();
- mInputStream = new FileInputStream(fd);
- mOutputStream = new FileOutputStream(fd);
- Thread thread = new Thread(null, this, "AccessoryChat");
- thread.start();
+ if (mUsbManager.hasPermission(accessory)) {
+ openAccessory(accessory);
} else {
- Log.d(TAG, "openAccessory fail");
+ synchronized (mUsbReceiver) {
+ if (!mPermissionRequestPending) {
+ mUsbManager.requestPermission(accessory, mPermissionIntent);
+ mPermissionRequestPending = true;
+ }
+ }
}
- } else {
+ } else {
Log.d(TAG, "mAccessory is null");
}
}
@Override
public void onDestroy() {
+ unregisterReceiver(mUsbReceiver);
super.onDestroy();
}
+ private void openAccessory(UsbAccessory accessory) {
+ mFileDescriptor = mUsbManager.openAccessory(accessory);
+ if (mFileDescriptor != null) {
+ FileDescriptor fd = mFileDescriptor.getFileDescriptor();
+ mInputStream = new FileInputStream(fd);
+ mOutputStream = new FileOutputStream(fd);
+ Thread thread = new Thread(null, this, "AccessoryChat");
+ thread.start();
+ Log.d(TAG, "openAccessory succeeded");
+ } else {
+ Log.d(TAG, "openAccessory fail");
+ }
+ }
+
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_DONE && mOutputStream != null) {
try {
>
<uses-permission android:name="android.permission.STATUS_BAR_SERVICE" />
+ <uses-permission android:name="android.permission.MANAGE_USB" />
<application
android:persistent="true"
android:excludeFromRecents="true">
</activity>
+ <!-- started from UsbDeviceSettingsManager -->
+ <activity android:name=".usb.UsbPermissionActivity"
+ android:exported="true"
+ android:permission="android.permission.MANAGE_USB"
+ android:theme="@*android:style/Theme.Dialog.Alert"
+ android:finishOnCloseSystemDialogs="true"
+ android:excludeFromRecents="true">
+ </activity>
+
+ <!-- started from UsbDeviceSettingsManager -->
+ <activity android:name=".usb.UsbResolverActivity"
+ android:exported="true"
+ android:permission="android.permission.MANAGE_USB"
+ android:theme="@*android:style/Theme.Dialog.Alert"
+ android:finishOnCloseSystemDialogs="true"
+ android:excludeFromRecents="true">
+ </activity>
+
+ <!-- started from UsbDeviceSettingsManager -->
+ <activity android:name=".usb.UsbAccessoryUriActivity"
+ android:exported="true"
+ android:permission="android.permission.MANAGE_USB"
+ android:theme="@*android:style/Theme.Dialog.Alert"
+ android:finishOnCloseSystemDialogs="true"
+ android:excludeFromRecents="true">
+ </activity>
</application>
</manifest>
power usage activity to find out what drained the battery. -->
<string name="battery_low_why">Battery use</string>
+ <!-- Prompt for the USB accessory permission dialog [CHAR LIMIT=80] -->
+ <string name="usb_accessory_permission_prompt">Allow the application %1$s to access the USB accessory?</string>
+
+ <!-- Prompt for the USB accessory URI dialog [CHAR LIMIT=80] -->
+ <string name="usb_accessory_uri_prompt">Additional information for this device may be found at: %1$s</string>
+
+ <!-- Title for USB accessory dialog. Used when the name of the accessory cannot be determined. [CHAR LIMIT=50] -->
+ <string name="title_usb_accessory">USB accessory</string>
+
+ <!-- View button label for USB dialogs. [CHAR LIMIT=15] -->
+ <string name="label_view">View</string>
+
+ <!-- Ignore button label for USB dialogs. [CHAR LIMIT=15] -->
+ <string name="label_ignore">Ignore</string>
+
</resources>
--- /dev/null
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.usb;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.ActivityNotFoundException;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.net.Uri;
+import android.hardware.usb.UsbAccessory;
+import android.hardware.usb.UsbManager;
+import android.os.Bundle;
+import android.util.Log;
+
+import com.android.internal.app.AlertActivity;
+import com.android.internal.app.AlertController;
+
+import com.android.systemui.R;
+
+/**
+ * If the attached USB accessory has a URL associated with it, and that URL is valid,
+ * show this dialog to the user to allow them to optionally visit that URL for more
+ * information or software downloads.
+ * Otherwise (no valid URL) this activity does nothing at all, finishing immediately.
+ */
+public class UsbAccessoryUriActivity extends AlertActivity
+ implements DialogInterface.OnClickListener {
+
+ private static final String TAG = "UsbAccessoryUriActivity";
+
+ private UsbAccessory mAccessory;
+ private Uri mUri;
+
+ @Override
+ public void onCreate(Bundle icicle) {
+ super.onCreate(icicle);
+
+ Intent intent = getIntent();
+ mAccessory = (UsbAccessory)intent.getParcelableExtra(UsbManager.EXTRA_ACCESSORY);
+ String uriString = intent.getStringExtra("uri");
+ mUri = (uriString == null ? null : Uri.parse(uriString));
+
+ // sanity check before displaying dialog
+ if (mUri == null) {
+ Log.e(TAG, "could not parse Uri " + uriString);
+ finish();
+ return;
+ }
+ String scheme = mUri.getScheme();
+ if (!"http".equals(scheme) && !"https".equals(scheme)) {
+ Log.e(TAG, "Uri not http or https: " + mUri);
+ finish();
+ return;
+ }
+
+ final AlertController.AlertParams ap = mAlertParams;
+ ap.mTitle = mAccessory.getDescription();
+ if (ap.mTitle == null || ap.mTitle.length() == 0) {
+ ap.mTitle = getString(R.string.title_usb_accessory);
+ }
+ ap.mMessage = getString(R.string.usb_accessory_uri_prompt, mUri);
+ ap.mPositiveButtonText = getString(R.string.label_view);
+ ap.mNegativeButtonText = getString(R.string.label_ignore);
+ ap.mPositiveButtonListener = this;
+ ap.mNegativeButtonListener = this;
+
+ setupAlert();
+ }
+
+ public void onClick(DialogInterface dialog, int which) {
+ if (which == AlertDialog.BUTTON_POSITIVE) {
+ // launch the browser
+ Intent intent = new Intent(Intent.ACTION_VIEW, mUri);
+ intent.addCategory(Intent.CATEGORY_BROWSABLE);
+ intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+ try {
+ startActivity(intent);
+ } catch (ActivityNotFoundException e) {
+ Log.e(TAG, "startActivity failed for " + mUri);
+ }
+ }
+ finish();
+ }
+}
--- /dev/null
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.usb;
+
+import android.app.Activity;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.hardware.usb.UsbAccessory;
+import android.hardware.usb.UsbManager;
+
+// This class is used to close UsbPermissionsActivity and UsbResolverActivity
+// if their accessory is disconnected while the dialog is still open
+class UsbDisconnectedReceiver extends BroadcastReceiver {
+ private final Activity mActivity;
+ private UsbAccessory mAccessory;
+
+ public UsbDisconnectedReceiver(Activity activity, UsbAccessory accessory) {
+ mActivity = activity;
+ mAccessory = accessory;
+
+ IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_ACCESSORY_DETACHED);
+ activity.registerReceiver(this, filter);
+ }
+
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ String action = intent.getAction();
+ if (UsbManager.ACTION_USB_ACCESSORY_DETACHED.equals(action)) {
+ UsbAccessory accessory =
+ (UsbAccessory)intent.getParcelableExtra(UsbManager.EXTRA_ACCESSORY);
+ if (accessory != null && accessory.equals(mAccessory)) {
+ mActivity.finish();
+ }
+ }
+ }
+}
\ No newline at end of file
--- /dev/null
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.usb;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.hardware.usb.IUsbManager;
+import android.hardware.usb.UsbAccessory;
+import android.hardware.usb.UsbManager;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.TextView;
+
+import com.android.internal.app.AlertActivity;
+import com.android.internal.app.AlertController;
+
+import com.android.systemui.R;
+
+public class UsbPermissionActivity extends AlertActivity
+ implements DialogInterface.OnClickListener, CheckBox.OnCheckedChangeListener {
+
+ private static final String TAG = "UsbPermissionActivity";
+
+ private CheckBox mAlwaysCheck;
+ private TextView mClearDefaultHint;
+ private UsbAccessory mAccessory;
+ private PendingIntent mPendingIntent;
+ private String mPackageName;
+ private int mUid;
+ private boolean mPermissionGranted;
+ private UsbDisconnectedReceiver mDisconnectedReceiver;
+
+ @Override
+ public void onCreate(Bundle icicle) {
+ super.onCreate(icicle);
+
+ Intent intent = getIntent();
+ mAccessory = (UsbAccessory)intent.getParcelableExtra(UsbManager.EXTRA_ACCESSORY);
+ mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mAccessory);
+ mPendingIntent = (PendingIntent)intent.getParcelableExtra(Intent.EXTRA_INTENT);
+ mUid = intent.getIntExtra("uid", 0);
+ mPackageName = intent.getStringExtra("package");
+
+ PackageManager packageManager = getPackageManager();
+ ApplicationInfo aInfo;
+ try {
+ aInfo = packageManager.getApplicationInfo(mPackageName, 0);
+ } catch (PackageManager.NameNotFoundException e) {
+ Log.e(TAG, "unable to look up package name", e);
+ finish();
+ return;
+ }
+ String appName = aInfo.loadLabel(packageManager).toString();
+
+ final AlertController.AlertParams ap = mAlertParams;
+ ap.mIcon = aInfo.loadIcon(packageManager);
+ ap.mTitle = appName;
+ ap.mMessage = getString(R.string.usb_accessory_permission_prompt, appName);
+ ap.mPositiveButtonText = getString(com.android.internal.R.string.ok);
+ ap.mNegativeButtonText = getString(com.android.internal.R.string.cancel);
+ ap.mPositiveButtonListener = this;
+ ap.mNegativeButtonListener = this;
+
+ // add "always use" checkbox
+ LayoutInflater inflater = (LayoutInflater)getSystemService(
+ Context.LAYOUT_INFLATER_SERVICE);
+ ap.mView = inflater.inflate(com.android.internal.R.layout.always_use_checkbox, null);
+ mAlwaysCheck = (CheckBox)ap.mView.findViewById(com.android.internal.R.id.alwaysUse);
+ mAlwaysCheck.setText(com.android.internal.R.string.alwaysUse);
+ mAlwaysCheck.setOnCheckedChangeListener(this);
+ mClearDefaultHint = (TextView)ap.mView.findViewById(
+ com.android.internal.R.id.clearDefaultHint);
+ mClearDefaultHint.setVisibility(View.GONE);
+
+ setupAlert();
+
+ }
+
+ @Override
+ public void onDestroy() {
+ IBinder b = ServiceManager.getService(USB_SERVICE);
+ IUsbManager service = IUsbManager.Stub.asInterface(b);
+
+ // send response via pending intent
+ Intent intent = new Intent();
+ try {
+ if (mAccessory != null) {
+ intent.putExtra(UsbManager.EXTRA_ACCESSORY, mAccessory);
+ if (mPermissionGranted) {
+ service.grantAccessoryPermission(mAccessory, mUid);
+ if (mAlwaysCheck.isChecked()) {
+ service.setAccessoryPackage(mAccessory, mPackageName);
+ }
+ }
+ }
+ intent.putExtra(UsbManager.EXTRA_PERMISSION_GRANTED, mPermissionGranted);
+ mPendingIntent.send(this, 0, intent);
+ } catch (PendingIntent.CanceledException e) {
+ Log.w(TAG, "PendingIntent was cancelled");
+ } catch (RemoteException e) {
+ Log.e(TAG, "IUsbService connection failed", e);
+ }
+
+ if (mDisconnectedReceiver != null) {
+ unregisterReceiver(mDisconnectedReceiver);
+ }
+ super.onDestroy();
+ }
+
+ public void onClick(DialogInterface dialog, int which) {
+ if (which == AlertDialog.BUTTON_POSITIVE) {
+ mPermissionGranted = true;
+ }
+ finish();
+ }
+
+ public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+ if (mClearDefaultHint == null) return;
+
+ if(isChecked) {
+ mClearDefaultHint.setVisibility(View.VISIBLE);
+ } else {
+ mClearDefaultHint.setVisibility(View.GONE);
+ }
+ }
+}
* limitations under the License.
*/
-package com.android.server.usb;
+package com.android.systemui.usb;
import com.android.internal.app.ResolverActivity;
public static final String TAG = "UsbResolverActivity";
public static final String EXTRA_RESOLVE_INFOS = "rlist";
+ private UsbAccessory mAccessory;
+ private UsbDisconnectedReceiver mDisconnectedReceiver;
+
@Override
protected void onCreate(Bundle savedInstanceState) {
Intent intent = getIntent();
}
Intent target = (Intent)targetParcelable;
ArrayList<ResolveInfo> rList = intent.getParcelableArrayListExtra(EXTRA_RESOLVE_INFOS);
- Log.d(TAG, "rList.size() " + rList.size());
CharSequence title = getResources().getText(com.android.internal.R.string.chooseUsbActivity);
super.onCreate(savedInstanceState, target, title, null, rList,
true, /* Set alwaysUseOption to true to enable "always use this app" checkbox. */
This is necessary because this activity is needed for the user to allow
the application permission to access the device */
);
+
+ mAccessory = (UsbAccessory)target.getParcelableExtra(UsbManager.EXTRA_ACCESSORY);
+ if (mAccessory == null) {
+ Log.e(TAG, "accessory is null");
+ finish();
+ return;
+ }
+ mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mAccessory);
+ }
+
+ @Override
+ protected void onDestroy() {
+ if (mDisconnectedReceiver != null) {
+ unregisterReceiver(mDisconnectedReceiver);
+ }
+ super.onDestroy();
}
protected void onIntentSelected(ResolveInfo ri, Intent intent, boolean alwaysCheck) {
IBinder b = ServiceManager.getService(USB_SERVICE);
IUsbManager service = IUsbManager.Stub.asInterface(b);
int uid = ri.activityInfo.applicationInfo.uid;
- String action = intent.getAction();
- if (UsbManager.ACTION_USB_ACCESSORY_ATTACHED.equals(action)) {
- UsbAccessory accessory = (UsbAccessory)intent.getParcelableExtra(
- UsbManager.EXTRA_ACCESSORY);
- // grant permission for the accessory
- service.grantAccessoryPermission(accessory, uid);
- // set or clear default setting
- if (alwaysCheck) {
- service.setAccessoryPackage(accessory, ri.activityInfo.packageName);
- } else {
- service.setAccessoryPackage(accessory, null);
- }
+ // grant permission for the accessory
+ service.grantAccessoryPermission(mAccessory, uid);
+ // set or clear default setting
+ if (alwaysCheck) {
+ service.setAccessoryPackage(mAccessory, ri.activityInfo.packageName);
+ } else {
+ service.setAccessoryPackage(mAccessory, null);
}
try {
package com.android.server.usb;
+import android.app.PendingIntent;
import android.content.ActivityNotFoundException;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
import android.os.FileUtils;
import android.os.Process;
import android.util.Log;
-import android.util.SparseArray;
+import android.util.SparseBooleanArray;
import android.util.Xml;
import com.android.internal.content.PackageMonitor;
private static final File sSettingsFile = new File("/data/system/usb_device_manager.xml");
private final Context mContext;
+ private final PackageManager mPackageManager;
- // maps UID to user approved USB accessories
- private final SparseArray<ArrayList<AccessoryFilter>> mAccessoryPermissionMap =
- new SparseArray<ArrayList<AccessoryFilter>>();
+ // Temporary mapping UsbAccessory to list of UIDs with permissions for the accessory
+ private final HashMap<UsbAccessory, SparseBooleanArray> mAccessoryPermissionMap =
+ new HashMap<UsbAccessory, SparseBooleanArray>();
// Maps AccessoryFilter to user preferred application package
private final HashMap<AccessoryFilter, String> mAccessoryPreferenceMap =
new HashMap<AccessoryFilter, String>();
public final String mManufacturer;
// USB accessory model (or null for unspecified)
public final String mModel;
- // USB accessory type (or null for unspecified)
- public final String mType;
// USB accessory version (or null for unspecified)
public final String mVersion;
- public AccessoryFilter(String manufacturer, String model, String type, String version) {
+ public AccessoryFilter(String manufacturer, String model, String version) {
mManufacturer = manufacturer;
mModel = model;
- mType = type;
mVersion = version;
}
public AccessoryFilter(UsbAccessory accessory) {
mManufacturer = accessory.getManufacturer();
mModel = accessory.getModel();
- mType = accessory.getType();
mVersion = accessory.getVersion();
}
throws XmlPullParserException, IOException {
String manufacturer = null;
String model = null;
- String type = null;
String version = null;
int count = parser.getAttributeCount();
manufacturer = value;
} else if ("model".equals(name)) {
model = value;
- } else if ("type".equals(name)) {
- type = value;
} else if ("version".equals(name)) {
version = value;
}
}
- return new AccessoryFilter(manufacturer, model, type, version);
+ return new AccessoryFilter(manufacturer, model, version);
}
public void write(XmlSerializer serializer)throws IOException {
if (mModel != null) {
serializer.attribute(null, "model", mModel);
}
- if (mType != null) {
- serializer.attribute(null, "type", mType);
- }
if (mVersion != null) {
serializer.attribute(null, "version", mVersion);
}
public boolean matches(UsbAccessory acc) {
if (mManufacturer != null && !acc.getManufacturer().equals(mManufacturer)) return false;
if (mModel != null && !acc.getModel().equals(mModel)) return false;
- if (mType != null && !acc.getType().equals(mType)) return false;
if (mVersion != null && !acc.getVersion().equals(mVersion)) return false;
return true;
}
+ public boolean matches(AccessoryFilter f) {
+ if (mManufacturer != null && !f.mManufacturer.equals(mManufacturer)) return false;
+ if (mModel != null && !f.mModel.equals(mModel)) return false;
+ if (mVersion != null && !f.mVersion.equals(mVersion)) return false;
+ return true;
+ }
+
@Override
public boolean equals(Object obj) {
// can't compare if we have wildcard strings
- if (mManufacturer == null || mModel == null || mType == null || mVersion == null) {
+ if (mManufacturer == null || mModel == null || mVersion == null) {
return false;
}
if (obj instanceof AccessoryFilter) {
AccessoryFilter filter = (AccessoryFilter)obj;
return (mManufacturer.equals(filter.mManufacturer) &&
mModel.equals(filter.mModel) &&
- mType.equals(filter.mType) &&
mVersion.equals(filter.mVersion));
}
if (obj instanceof UsbAccessory) {
UsbAccessory accessory = (UsbAccessory)obj;
return (mManufacturer.equals(accessory.getManufacturer()) &&
mModel.equals(accessory.getModel()) &&
- mType.equals(accessory.getType()) &&
mVersion.equals(accessory.getVersion()));
}
return false;
public int hashCode() {
return ((mManufacturer == null ? 0 : mManufacturer.hashCode()) ^
(mModel == null ? 0 : mModel.hashCode()) ^
- (mType == null ? 0 : mType.hashCode()) ^
(mVersion == null ? 0 : mVersion.hashCode()));
}
public String toString() {
return "AccessoryFilter[mManufacturer=\"" + mManufacturer +
"\", mModel=\"" + mModel +
- "\", mType=\"" + mType +
"\", mVersion=\"" + mVersion + "\"]";
}
}
private class MyPackageMonitor extends PackageMonitor {
- public void onPackageRemoved(String packageName, int uid) {
- synchronized (mLock) {
- // clear all activity preferences for the package
- if (clearPackageDefaultsLocked(packageName)) {
- writeSettingsLocked();
- }
- }
+
+ public void onPackageAdded(String packageName, int uid) {
+ handlePackageUpdate(packageName);
}
- public void onUidRemoved(int uid) {
- synchronized (mLock) {
- // clear all permissions for the UID
- if (clearUidDefaultsLocked(uid)) {
- writeSettingsLocked();
- }
- }
+ public void onPackageChanged(String packageName, int uid, String[] components) {
+ handlePackageUpdate(packageName);
+ }
+
+ public void onPackageRemoved(String packageName, int uid) {
+ clearDefaults(packageName);
}
}
MyPackageMonitor mPackageMonitor = new MyPackageMonitor();
public UsbDeviceSettingsManager(Context context) {
mContext = context;
+ mPackageManager = context.getPackageManager();
synchronized (mLock) {
readSettingsLocked();
}
mPackageMonitor.register(context, true);
}
- private void readAccessoryPermission(XmlPullParser parser)
- throws XmlPullParserException, IOException {
- int uid = -1;
- ArrayList<AccessoryFilter> filters = new ArrayList<AccessoryFilter>();
- int count = parser.getAttributeCount();
- for (int i = 0; i < count; i++) {
- if ("uid".equals(parser.getAttributeName(i))) {
- uid = Integer.parseInt(parser.getAttributeValue(i));
- break;
- }
- }
- XmlUtils.nextElement(parser);
- while ("usb-accessory".equals(parser.getName())) {
- filters.add(AccessoryFilter.read(parser));
- XmlUtils.nextElement(parser);
- }
- mAccessoryPermissionMap.put(uid, filters);
- }
-
private void readPreference(XmlPullParser parser)
throws XmlPullParserException, IOException {
String packageName = null;
XmlUtils.nextElement(parser);
while (parser.getEventType() != XmlPullParser.END_DOCUMENT) {
String tagName = parser.getName();
- if ("accessory-permission".equals(tagName)) {
- readAccessoryPermission(parser);
- } else if ("preference".equals(tagName)) {
+ if ("preference".equals(tagName)) {
readPreference(parser);
} else {
XmlUtils.nextElement(parser);
serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);
serializer.startTag(null, "settings");
- int count = mAccessoryPermissionMap.size();
- for (int i = 0; i < count; i++) {
- int uid = mAccessoryPermissionMap.keyAt(i);
- ArrayList<AccessoryFilter> filters = mAccessoryPermissionMap.valueAt(i);
- serializer.startTag(null, "accessory-permission");
- serializer.attribute(null, "uid", Integer.toString(uid));
- int filterCount = filters.size();
- for (int j = 0; j < filterCount; j++) {
- filters.get(j).write(serializer);
- }
- serializer.endTag(null, "accessory-permission");
- }
-
for (AccessoryFilter filter : mAccessoryPreferenceMap.keySet()) {
serializer.startTag(null, "preference");
serializer.attribute(null, "package", mAccessoryPreferenceMap.get(filter));
private boolean packageMatchesLocked(ResolveInfo info, String metaDataName,
UsbAccessory accessory) {
ActivityInfo ai = info.activityInfo;
- PackageManager pm = mContext.getPackageManager();
XmlResourceParser parser = null;
try {
- parser = ai.loadXmlMetaData(pm, metaDataName);
+ parser = ai.loadXmlMetaData(mPackageManager, metaDataName);
if (parser == null) {
Log.w(TAG, "no meta-data for " + info);
return false;
private final ArrayList<ResolveInfo> getAccessoryMatchesLocked(
UsbAccessory accessory, Intent intent) {
ArrayList<ResolveInfo> matches = new ArrayList<ResolveInfo>();
- PackageManager pm = mContext.getPackageManager();
- List<ResolveInfo> resolveInfos = pm.queryIntentActivities(intent,
+ List<ResolveInfo> resolveInfos = mPackageManager.queryIntentActivities(intent,
PackageManager.GET_META_DATA);
int count = resolveInfos.size();
for (int i = 0; i < count; i++) {
}
public void accessoryAttached(UsbAccessory accessory) {
- Intent accessoryIntent = new Intent(UsbManager.ACTION_USB_ACCESSORY_ATTACHED);
- accessoryIntent.putExtra(UsbManager.EXTRA_ACCESSORY, accessory);
- accessoryIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+ Intent intent = new Intent(UsbManager.ACTION_USB_ACCESSORY_ATTACHED);
+ intent.putExtra(UsbManager.EXTRA_ACCESSORY, accessory);
+ intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
ArrayList<ResolveInfo> matches;
String defaultPackage;
synchronized (mLock) {
- matches = getAccessoryMatchesLocked(accessory, accessoryIntent);
+ matches = getAccessoryMatchesLocked(accessory, intent);
// Launch our default activity directly, if we have one.
// Otherwise we will start the UsbResolverActivity to allow the user to choose.
defaultPackage = mAccessoryPreferenceMap.get(new AccessoryFilter(accessory));
}
+ resolveActivity(intent, matches, defaultPackage, accessory);
+ }
+
+ public void accessoryDetached(UsbAccessory accessory) {
+ // clear temporary permissions for the accessory
+ mAccessoryPermissionMap.remove(accessory);
+
+ Intent intent = new Intent(
+ UsbManager.ACTION_USB_ACCESSORY_DETACHED);
+ intent.putExtra(UsbManager.EXTRA_ACCESSORY, accessory);
+ mContext.sendBroadcast(intent);
+ }
+
+ private void resolveActivity(Intent intent, ArrayList<ResolveInfo> matches,
+ String defaultPackage, UsbAccessory accessory) {
int count = matches.size();
+
// don't show the resolver activity if there are no choices available
- if (count == 0) return;
+ if (count == 0) {
+ if (accessory != null) {
+ String uri = accessory.getUri();
+ if (uri != null && uri.length() > 0) {
+ // display URI to user
+ // start UsbResolverActivity so user can choose an activity
+ Intent dialogIntent = new Intent();
+ dialogIntent.setClassName("com.android.systemui",
+ "com.android.systemui.usb.UsbAccessoryUriActivity");
+ dialogIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+ dialogIntent.putExtra(UsbManager.EXTRA_ACCESSORY, accessory);
+ dialogIntent.putExtra("uri", uri);
+ try {
+ mContext.startActivity(dialogIntent);
+ } catch (ActivityNotFoundException e) {
+ Log.e(TAG, "unable to start UsbAccessoryUriActivity");
+ }
+ }
+ }
+
+ // do nothing
+ return;
+ }
+
+ ResolveInfo defaultRI = null;
+ if (count == 1 && defaultPackage == null) {
+ // Check to see if our single choice is on the system partition.
+ // If so, treat it as our default without calling UsbResolverActivity
+ ResolveInfo rInfo = matches.get(0);
+ if (rInfo.activityInfo != null &&
+ rInfo.activityInfo.applicationInfo != null &&
+ (rInfo.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
+ defaultRI = rInfo;
+ }
+ }
- if (defaultPackage != null) {
+ if (defaultRI == null && defaultPackage != null) {
+ // look for default activity
for (int i = 0; i < count; i++) {
ResolveInfo rInfo = matches.get(i);
if (rInfo.activityInfo != null &&
defaultPackage.equals(rInfo.activityInfo.packageName)) {
- try {
- accessoryIntent.setComponent(new ComponentName(
- defaultPackage, rInfo.activityInfo.name));
- mContext.startActivity(accessoryIntent);
- } catch (ActivityNotFoundException e) {
- Log.e(TAG, "startActivity failed", e);
- }
- return;
+ defaultRI = rInfo;
+ break;
}
}
}
- Intent intent = new Intent(mContext, UsbResolverActivity.class);
- intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+ if (defaultRI != null) {
+ // grant permission for default activity
+ grantAccessoryPermission(accessory, defaultRI.activityInfo.applicationInfo.uid);
+
+ // start default activity directly
+ try {
+ intent.setComponent(
+ new ComponentName(defaultRI.activityInfo.packageName,
+ defaultRI.activityInfo.name));
+ mContext.startActivity(intent);
+ } catch (ActivityNotFoundException e) {
+ Log.e(TAG, "startActivity failed", e);
+ }
+ } else {
+ // start UsbResolverActivity so user can choose an activity
+ Intent resolverIntent = new Intent();
+ resolverIntent.setClassName("com.android.systemui",
+ "com.android.systemui.usb.UsbResolverActivity");
+ resolverIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+ resolverIntent.putExtra(Intent.EXTRA_INTENT, intent);
+ resolverIntent.putParcelableArrayListExtra("rlist", matches);
+ try {
+ mContext.startActivity(resolverIntent);
+ } catch (ActivityNotFoundException e) {
+ Log.e(TAG, "unable to start UsbResolverActivity");
+ }
+ }
+ }
- intent.putExtra(Intent.EXTRA_INTENT, accessoryIntent);
- intent.putParcelableArrayListExtra(UsbResolverActivity.EXTRA_RESOLVE_INFOS, matches);
- try {
- mContext.startActivity(intent);
- } catch (ActivityNotFoundException e) {
- Log.w(TAG, "unable to start UsbResolverActivity");
+ private boolean clearCompatibleMatchesLocked(String packageName, AccessoryFilter filter) {
+ boolean changed = false;
+ for (AccessoryFilter test : mAccessoryPreferenceMap.keySet()) {
+ if (filter.matches(test)) {
+ mAccessoryPreferenceMap.remove(test);
+ changed = true;
+ }
}
+ return changed;
}
- public void accessoryDetached(UsbAccessory accessory) {
- Intent intent = new Intent(
- UsbManager.ACTION_USB_ACCESSORY_DETACHED);
- intent.putExtra(UsbManager.EXTRA_ACCESSORY, accessory);
- mContext.sendBroadcast(intent);
+ private boolean handlePackageUpdateLocked(String packageName, ActivityInfo aInfo,
+ String metaDataName) {
+ XmlResourceParser parser = null;
+ boolean changed = false;
+
+ try {
+ parser = aInfo.loadXmlMetaData(mPackageManager, metaDataName);
+ if (parser == null) return false;
+
+ XmlUtils.nextElement(parser);
+ while (parser.getEventType() != XmlPullParser.END_DOCUMENT) {
+ String tagName = parser.getName();
+ if ("usb-accessory".equals(tagName)) {
+ AccessoryFilter filter = AccessoryFilter.read(parser);
+ if (clearCompatibleMatchesLocked(packageName, filter)) {
+ changed = true;
+ }
+ }
+ XmlUtils.nextElement(parser);
+ }
+ } catch (Exception e) {
+ Log.w(TAG, "Unable to load component info " + aInfo.toString(), e);
+ } finally {
+ if (parser != null) parser.close();
+ }
+ return changed;
}
- public void checkPermission(UsbAccessory accessory) {
- if (accessory == null) return;
+ // Check to see if the package supports any USB devices or accessories.
+ // If so, clear any non-matching preferences for matching devices/accessories.
+ private void handlePackageUpdate(String packageName) {
synchronized (mLock) {
- ArrayList<AccessoryFilter> filterList = mAccessoryPermissionMap.get(Binder.getCallingUid());
- if (filterList != null) {
- int count = filterList.size();
- for (int i = 0; i < count; i++) {
- AccessoryFilter filter = filterList.get(i);
- if (filter.equals(accessory)) {
- // permission allowed
- return;
- }
+ PackageInfo info;
+ boolean changed = false;
+
+ try {
+ info = mPackageManager.getPackageInfo(packageName,
+ PackageManager.GET_ACTIVITIES | PackageManager.GET_META_DATA);
+ } catch (NameNotFoundException e) {
+ Log.e(TAG, "handlePackageUpdate could not find package " + packageName, e);
+ return;
+ }
+
+ ActivityInfo[] activities = info.activities;
+ if (activities == null) return;
+ for (int i = 0; i < activities.length; i++) {
+ // check for meta-data, both for devices and accessories
+ if (handlePackageUpdateLocked(packageName, activities[i],
+ UsbManager.ACTION_USB_ACCESSORY_ATTACHED)) {
+ changed = true;
}
}
+
+ if (changed) {
+ writeSettingsLocked();
+ }
+ }
+ }
+
+ public boolean hasPermission(UsbAccessory accessory) {
+ synchronized (mLock) {
+ SparseBooleanArray uidList = mAccessoryPermissionMap.get(accessory);
+ if (uidList == null) {
+ return false;
+ }
+ return uidList.get(Binder.getCallingUid());
}
- throw new SecurityException("User has not given permission to accessory " + accessory);
+ }
+
+ public void checkPermission(UsbAccessory accessory) {
+ if (!hasPermission(accessory)) {
+ throw new SecurityException("User has not given permission to accessory " + accessory);
+ }
+ }
+
+ private void requestPermissionDialog(Intent intent, String packageName, PendingIntent pi) {
+ int uid = Binder.getCallingUid();
+
+ // compare uid with packageName to foil apps pretending to be someone else
+ try {
+ ApplicationInfo aInfo = mPackageManager.getApplicationInfo(packageName, 0);
+ if (aInfo.uid != uid) {
+ throw new IllegalArgumentException("package " + packageName +
+ " does not match caller's uid " + uid);
+ }
+ } catch (PackageManager.NameNotFoundException e) {
+ throw new IllegalArgumentException("package " + packageName + " not found");
+ }
+
+ long identity = Binder.clearCallingIdentity();
+ intent.setClassName("com.android.systemui",
+ "com.android.systemui.usb.UsbPermissionActivity");
+ intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+ intent.putExtra(Intent.EXTRA_INTENT, pi);
+ intent.putExtra("package", packageName);
+ intent.putExtra("uid", uid);
+ try {
+ mContext.startActivity(intent);
+ } catch (ActivityNotFoundException e) {
+ Log.e(TAG, "unable to start UsbPermissionActivity");
+ } finally {
+ Binder.restoreCallingIdentity(identity);
+ }
+ }
+
+ public void requestPermission(UsbAccessory accessory, String packageName, PendingIntent pi) {
+ Intent intent = new Intent();
+
+ // respond immediately if permission has already been granted
+ if (hasPermission(accessory)) {
+ intent.putExtra(UsbManager.EXTRA_ACCESSORY, accessory);
+ intent.putExtra(UsbManager.EXTRA_PERMISSION_GRANTED, true);
+ try {
+ pi.send(mContext, 0, intent);
+ } catch (PendingIntent.CanceledException e) {
+ Log.w(TAG, "requestPermission PendingIntent was cancelled");
+ }
+ return;
+ }
+
+ intent.putExtra(UsbManager.EXTRA_ACCESSORY, accessory);
+ requestPermissionDialog(intent, packageName, pi);
}
public void setAccessoryPackage(UsbAccessory accessory, String packageName) {
public void grantAccessoryPermission(UsbAccessory accessory, int uid) {
synchronized (mLock) {
- ArrayList<AccessoryFilter> filterList = mAccessoryPermissionMap.get(uid);
- if (filterList == null) {
- filterList = new ArrayList<AccessoryFilter>();
- mAccessoryPermissionMap.put(uid, filterList);
- } else {
- int count = filterList.size();
- for (int i = 0; i < count; i++) {
- if (filterList.get(i).equals(accessory)) return;
- }
+ SparseBooleanArray uidList = mAccessoryPermissionMap.get(accessory);
+ if (uidList == null) {
+ uidList = new SparseBooleanArray(1);
+ mAccessoryPermissionMap.put(accessory, uidList);
}
- filterList.add(new AccessoryFilter(accessory));
- writeSettingsLocked();
+ uidList.put(uid, true);
}
}
- public boolean hasDefaults(String packageName, int uid) {
+ public boolean hasDefaults(String packageName) {
synchronized (mLock) {
- if (mAccessoryPermissionMap.get(uid) != null) return true;
- if (mAccessoryPreferenceMap.values().contains(packageName)) return true;
- return false;
+ return mAccessoryPreferenceMap.values().contains(packageName);
}
}
- public void clearDefaults(String packageName, int uid) {
+ public void clearDefaults(String packageName) {
synchronized (mLock) {
- boolean packageCleared = clearPackageDefaultsLocked(packageName);
- boolean uidCleared = clearUidDefaultsLocked(uid);
- if (packageCleared || uidCleared) {
+ if (clearPackageDefaultsLocked(packageName)) {
writeSettingsLocked();
}
}
}
- private boolean clearUidDefaultsLocked(int uid) {
- boolean cleared = false;
- int index = mAccessoryPermissionMap.indexOfKey(uid);
- if (index >= 0) {
- mAccessoryPermissionMap.removeAt(index);
- cleared = true;
- }
- return cleared;
- }
-
private boolean clearPackageDefaultsLocked(String packageName) {
boolean cleared = false;
synchronized (mLock) {
public void dump(FileDescriptor fd, PrintWriter pw) {
synchronized (mLock) {
pw.println(" Accessory permissions:");
- int count = mAccessoryPermissionMap.size();
- for (int i = 0; i < count; i++) {
- int uid = mAccessoryPermissionMap.keyAt(i);
- pw.println(" " + "uid " + uid + ":");
- ArrayList<AccessoryFilter> filters = mAccessoryPermissionMap.valueAt(i);
- for (AccessoryFilter filter : filters) {
- pw.println(" " + filter);
+ for (UsbAccessory accessory : mAccessoryPermissionMap.keySet()) {
+ pw.print(" " + accessory + ": ");
+ SparseBooleanArray uidList = mAccessoryPermissionMap.get(accessory);
+ int count = uidList.size();
+ for (int i = 0; i < count; i++) {
+ pw.print(Integer.toString(uidList.keyAt(i)) + " ");
}
+ pw.println("");
}
pw.println(" Accessory preferences:");
for (AccessoryFilter filter : mAccessoryPreferenceMap.keySet()) {
package com.android.server.usb;
+import android.app.PendingIntent;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
/* returns the currently attached USB accessory (device mode) */
public UsbAccessory getCurrentAccessory() {
- synchronized (mLock) {
- mDeviceManager.checkPermission(mCurrentAccessory);
- return mCurrentAccessory;
- }
+ return mCurrentAccessory;
}
/* opens the currently attached USB accessory (device mode) */
mDeviceManager.setAccessoryPackage(accessory, packageName);
}
+ public boolean hasAccessoryPermission(UsbAccessory accessory) {
+ return mDeviceManager.hasPermission(accessory);
+ }
+
+ public void requestAccessoryPermission(UsbAccessory accessory, String packageName,
+ PendingIntent pi) {
+ mDeviceManager.requestPermission(accessory, packageName, pi);
+ }
+
public void grantAccessoryPermission(UsbAccessory accessory, int uid) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);
mDeviceManager.grantAccessoryPermission(accessory, uid);
}
- public boolean hasDefaults(String packageName, int uid) {
+ public boolean hasDefaults(String packageName) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);
- return mDeviceManager.hasDefaults(packageName, uid);
+ return mDeviceManager.hasDefaults(packageName);
}
- public void clearDefaults(String packageName, int uid) {
+ public void clearDefaults(String packageName) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);
- mDeviceManager.clearDefaults(packageName, uid);
+ mDeviceManager.clearDefaults(packageName);
}
/*
buffer[0] = 0;
int length = ioctl(fd, cmd, buffer);
if (buffer[0]) {
- LOGD("string %d: %s", index, buffer);
jstring obj = env->NewStringUTF(buffer);
env->SetObjectArrayElement(strArray, index, obj);
env->DeleteLocalRef(obj);
static jobjectArray android_server_UsbService_getAccessoryStrings(JNIEnv *env, jobject thiz)
{
- LOGD("getAccessoryStrings");
int fd = open(DRIVER_NAME, O_RDWR);
if (fd < 0) {
LOGE("could not open %s", DRIVER_NAME);
return NULL;
}
jclass stringClass = env->FindClass("java/lang/String");
- jobjectArray strArray = env->NewObjectArray(4, stringClass, NULL);
+ jobjectArray strArray = env->NewObjectArray(5, stringClass, NULL);
if (!strArray) goto out;
set_accessory_string(env, fd, ACCESSORY_GET_STRING_MANUFACTURER, strArray, 0);
set_accessory_string(env, fd, ACCESSORY_GET_STRING_MODEL, strArray, 1);
- set_accessory_string(env, fd, ACCESSORY_GET_STRING_TYPE, strArray, 2);
+ set_accessory_string(env, fd, ACCESSORY_GET_STRING_DESCRIPTION, strArray, 2);
set_accessory_string(env, fd, ACCESSORY_GET_STRING_VERSION, strArray, 3);
+ set_accessory_string(env, fd, ACCESSORY_GET_STRING_URI, strArray, 4);
out:
close(fd);
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