Merge changes Ib517e5e4,I93be7695,I49bf22a4 into honeycomb-mr1

* changes:
  Close USB dialogs if their corresponding accessory or device has disconnected
  USB: Add API and dialog for apps to request permissions for USB devices and accessories
  UsbService: Automatically use system apps by default if it is the only choice
This commit is contained in:
Mike Lockwood
2011-03-09 03:52:47 -08:00
committed by Android (Google) Code Review
13 changed files with 700 additions and 115 deletions

View File

@ -95457,6 +95457,32 @@
visibility="public"
>
</method>
<method name="hasPermission"
return="boolean"
abstract="false"
native="false"
synchronized="false"
static="false"
final="false"
deprecated="not deprecated"
visibility="public"
>
<parameter name="device" type="android.hardware.usb.UsbDevice">
</parameter>
</method>
<method name="hasPermission"
return="boolean"
abstract="false"
native="false"
synchronized="false"
static="false"
final="false"
deprecated="not deprecated"
visibility="public"
>
<parameter name="accessory" type="android.hardware.usb.UsbAccessory">
</parameter>
</method>
<method name="isFunctionEnabled"
return="boolean"
abstract="false"
@ -95509,6 +95535,36 @@
<parameter name="device" type="android.hardware.usb.UsbDevice">
</parameter>
</method>
<method name="requestPermission"
return="void"
abstract="false"
native="false"
synchronized="false"
static="false"
final="false"
deprecated="not deprecated"
visibility="public"
>
<parameter name="device" type="android.hardware.usb.UsbDevice">
</parameter>
<parameter name="pi" type="android.app.PendingIntent">
</parameter>
</method>
<method name="requestPermission"
return="void"
abstract="false"
native="false"
synchronized="false"
static="false"
final="false"
deprecated="not deprecated"
visibility="public"
>
<parameter name="accessory" type="android.hardware.usb.UsbAccessory">
</parameter>
<parameter name="pi" type="android.app.PendingIntent">
</parameter>
</method>
<field name="ACTION_USB_ACCESSORY_ATTACHED"
type="java.lang.String"
transient="false"
@ -95586,6 +95642,17 @@
visibility="public"
>
</field>
<field name="EXTRA_PERMISSION_GRANTED"
type="java.lang.String"
transient="false"
volatile="false"
value="&quot;permission&quot;"
static="true"
final="true"
deprecated="not deprecated"
visibility="public"
>
</field>
<field name="USB_CONFIGURATION"
type="java.lang.String"
transient="false"
@ -267304,7 +267371,7 @@
deprecated="not deprecated"
visibility="public"
>
<parameter name="arg0" type="T">
<parameter name="t" type="T">
</parameter>
</method>
</interface>

View File

@ -401,10 +401,10 @@ class ContextImpl extends Context {
return new UiModeManager();
}});
registerService(USB_SERVICE, new StaticServiceFetcher() {
public Object createStaticService() {
registerService(USB_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(USB_SERVICE);
return new UsbManager(IUsbManager.Stub.asInterface(b));
return new UsbManager(ctx, IUsbManager.Stub.asInterface(b));
}});
registerService(VIBRATOR_SERVICE, new ServiceFetcher() {

View File

@ -16,6 +16,7 @@
package android.hardware.usb;
import android.app.PendingIntent;
import android.hardware.usb.UsbAccessory;
import android.hardware.usb.UsbDevice;
import android.os.Bundle;
@ -50,6 +51,25 @@ interface IUsbManager
*/
void setAccessoryPackage(in UsbAccessory accessory, String packageName);
/* Returns true if the caller has permission to access the device. */
boolean hasDevicePermission(in UsbDevice device);
/* 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 device.
* Will display a system dialog to query the user if permission
* had not already been given.
*/
void requestDevicePermission(in UsbDevice device, String packageName, in PendingIntent pi);
/* 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 device */
void grantDevicePermission(in UsbDevice device, int uid);

View File

@ -17,6 +17,8 @@
package android.hardware.usb;
import android.app.PendingIntent;
import android.content.Context;
import android.os.Bundle;
import android.os.ParcelFileDescriptor;
import android.os.RemoteException;
@ -176,12 +178,24 @@ public class UsbManager {
*/
public static final String EXTRA_ACCESSORY = "accessory";
private IUsbManager mService;
/**
* Name of extra added to the {@link android.app.PendingIntent}
* passed into
* {#requestPermission(android.content.Context, android.hardware.usb.UsbDevice, android.app.PendingIntent)}
* or
* {#requestPermission(android.content.Context, android.hardware.usb.UsbAccessory, android.app.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;
}
@ -245,7 +259,7 @@ public class UsbManager {
return new UsbAccessory[] { accessory };
}
} catch (RemoteException e) {
Log.e(TAG, "RemoteException in getAccessoryList" , e);
Log.e(TAG, "RemoteException in getAccessoryList", e);
return null;
}
}
@ -260,11 +274,87 @@ public class UsbManager {
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 device.
*
* @param device to check permissions for
* @return true if caller has permission
*/
public boolean hasPermission(UsbDevice device) {
try {
return mService.hasDevicePermission(device);
} catch (RemoteException e) {
Log.e(TAG, "RemoteException in hasPermission", e);
return false;
}
}
/**
* Returns true if the caller has permission to access 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 permission for the given package to access the device.
* 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 following extras will be added to pi:
* <ul>
* <li> {@link #EXTRA_DEVICE} containing the device passed into this call
* <li> {@link #EXTRA_PERMISSION_GRANTED} containing boolean indicating whether
* permission was granted by the user
* </ul>
*
* @param device to request permissions for
* @param pi PendingIntent for returning result
*/
public void requestPermission(UsbDevice device, PendingIntent pi) {
try {
mService.requestDevicePermission(device, mContext.getPackageName(), pi);
} catch (RemoteException e) {
Log.e(TAG, "RemoteException in requestPermission", e);
}
}
/**
* Requests 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 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");
}

View File

@ -1379,12 +1379,6 @@
android:excludeFromRecents="true">
</activity>
<activity android:name="com.android.server.usb.UsbResolverActivity"
android:theme="@style/Theme.Holo.Dialog.Alert"
android:finishOnCloseSystemDialogs="true"
android:excludeFromRecents="true">
</activity>
<service android:name="com.android.server.LoadAverageService"
android:exported="true" />

View File

@ -16,6 +16,7 @@
package android.mtp;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
@ -41,6 +42,9 @@ public class MtpClient {
private static final String TAG = "MtpClient";
private static final String ACTION_USB_PERMISSION =
"android.mtp.MtpClient.action.USB_PERMISSION";
private final Context mContext;
private final UsbManager mUsbManager;
private final ArrayList<Listener> mListeners = new ArrayList<Listener>();
@ -49,29 +53,47 @@ public class MtpClient {
// mDevices is also used for synchronization in this class.
private final HashMap<String, MtpDevice> mDevices = new HashMap<String, MtpDevice>();
private final PendingIntent mPermissionIntent;
private final BroadcastReceiver mUsbReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
UsbDevice usbDevice = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
String deviceName = usbDevice.getDeviceName();
synchronized (mDevices) {
MtpDevice mtpDevice = mDevices.get(deviceName);
if (UsbManager.ACTION_USB_DEVICE_ATTACHED.equals(intent.getAction())) {
if (UsbManager.ACTION_USB_DEVICE_ATTACHED.equals(action)) {
if (mtpDevice == null) {
mtpDevice = openDeviceLocked(usbDevice);
}
if (mtpDevice != null) {
mDevices.put(deviceName, mtpDevice);
for (Listener listener : mListeners) {
listener.deviceAdded(mtpDevice);
}
}
} else if (mtpDevice != null) {
mDevices.remove(deviceName);
for (Listener listener : mListeners) {
listener.deviceRemoved(mtpDevice);
} else if (UsbManager.ACTION_USB_DEVICE_DETACHED.equals(action)) {
if (mtpDevice != null) {
mDevices.remove(deviceName);
for (Listener listener : mListeners) {
listener.deviceRemoved(mtpDevice);
}
}
} else if (ACTION_USB_PERMISSION.equals(action)) {
boolean permission = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED,
false);
Log.d(TAG, "ACTION_USB_PERMISSION: " + permission);
if (permission) {
if (mtpDevice == null) {
mtpDevice = openDeviceLocked(usbDevice);
}
if (mtpDevice != null) {
for (Listener listener : mListeners) {
listener.deviceAdded(mtpDevice);
}
}
}
}
}
@ -126,10 +148,11 @@ public class MtpClient {
public MtpClient(Context context) {
mContext = context;
mUsbManager = (UsbManager)context.getSystemService(Context.USB_SERVICE);
mPermissionIntent = PendingIntent.getBroadcast(mContext, 0, new Intent(ACTION_USB_PERMISSION), 0);
IntentFilter filter = new IntentFilter();
filter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED);
filter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED);
filter.addAction(ACTION_USB_PERMISSION);
context.registerReceiver(mUsbReceiver, filter);
}
@ -142,9 +165,14 @@ public class MtpClient {
*/
private MtpDevice openDeviceLocked(UsbDevice usbDevice) {
if (isCamera(usbDevice)) {
MtpDevice mtpDevice = new MtpDevice(usbDevice);
if (mtpDevice.open(mUsbManager)) {
return mtpDevice;
if (!mUsbManager.hasPermission(usbDevice)) {
mUsbManager.requestPermission(usbDevice, mPermissionIntent);
} else {
MtpDevice mtpDevice = new MtpDevice(usbDevice);
if (mtpDevice.open(mUsbManager)) {
mDevices.put(usbDevice.getDeviceName(), mtpDevice);
return mtpDevice;
}
}
}
return null;
@ -218,13 +246,8 @@ public class MtpClient {
// Query the USB manager since devices might have attached
// before we added our listener.
for (UsbDevice usbDevice : mUsbManager.getDeviceList().values()) {
String deviceName = usbDevice.getDeviceName();
MtpDevice mtpDevice = mDevices.get(deviceName);
if (mtpDevice == null) {
mtpDevice = openDeviceLocked(usbDevice);
}
if (mtpDevice != null) {
mDevices.put(deviceName, mtpDevice);
if (mDevices.get(usbDevice.getDeviceName()) == null) {
openDeviceLocked(usbDevice);
}
}

View File

@ -8,6 +8,7 @@
<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
<uses-permission android:name="android.permission.GET_TASKS" />
<uses-permission android:name="android.permission.MANAGE_USB" />
<application
android:persistent="true"
@ -39,5 +40,22 @@
android:exported="true">
</activity>
<!-- started from UsbDeviceSettingsManager -->
<activity android:name=".usb.UsbPermissionActivity"
android:exported="true"
android:permission="android.permission.MANAGE_USB"
android:theme="@*android:style/Theme.Holo.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.Holo.Dialog.Alert"
android:finishOnCloseSystemDialogs="true"
android:excludeFromRecents="true">
</activity>
</application>
</manifest>

View File

@ -115,4 +115,11 @@
<!-- Label of a toggle switch to disable use of the physical keyboard in favor of the IME. [CHAR LIMIT=25] -->
<string name="status_bar_use_physical_keyboard">Use physical keyboard</string>
<!-- Prompt for the USB device permission dialog [CHAR LIMIT=80] -->
<string name="usb_device_permission_prompt">Allow the application %1$s to access the USB device?</string>
<!-- Prompt for the USB accessory permission dialog [CHAR LIMIT=80] -->
<string name="usb_accessory_permission_prompt">Allow the application %1$s to access the USB accessory?</string>
</resources>

View File

@ -0,0 +1,67 @@
/*
* 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.UsbDevice;
import android.hardware.usb.UsbManager;
// This class is used to close UsbPermissionsActivity and UsbResolverActivity
// if their device/accessory is disconnected while the dialog is still open
class UsbDisconnectedReceiver extends BroadcastReceiver {
private final Activity mActivity;
private UsbDevice mDevice;
private UsbAccessory mAccessory;
public UsbDisconnectedReceiver(Activity activity, UsbDevice device) {
mActivity = activity;
mDevice = device;
IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_DEVICE_DETACHED);
activity.registerReceiver(this, filter);
}
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_DEVICE_DETACHED.equals(action)) {
UsbDevice device = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
if (device != null && device.equals(mDevice)) {
mActivity.finish();
}
} else if (UsbManager.ACTION_USB_ACCESSORY_DETACHED.equals(action)) {
UsbAccessory accessory =
(UsbAccessory)intent.getParcelableExtra(UsbManager.EXTRA_ACCESSORY);
if (accessory != null && accessory.equals(mAccessory)) {
mActivity.finish();
}
}
}
}

View File

@ -0,0 +1,170 @@
/*
* 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.UsbDevice;
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 UsbDevice mDevice;
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();
mDevice = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
mAccessory = (UsbAccessory)intent.getParcelableExtra(UsbManager.EXTRA_ACCESSORY);
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;
if (mDevice == null) {
ap.mMessage = getString(R.string.usb_accessory_permission_prompt, appName);
mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mAccessory);
} else {
ap.mMessage = getString(R.string.usb_device_permission_prompt, appName);
mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mDevice);
}
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 (mDevice != null) {
intent.putExtra(UsbManager.EXTRA_DEVICE, mDevice);
if (mPermissionGranted) {
service.grantDevicePermission(mDevice, mUid);
if (mAlwaysCheck.isChecked()) {
service.setDevicePackage(mDevice, mPackageName);
}
}
}
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);
}
}
}

View File

@ -14,7 +14,7 @@
* limitations under the License.
*/
package com.android.server.usb;
package com.android.systemui.usb;
import com.android.internal.app.ResolverActivity;
@ -39,6 +39,10 @@ public class UsbResolverActivity extends ResolverActivity {
public static final String TAG = "UsbResolverActivity";
public static final String EXTRA_RESOLVE_INFOS = "rlist";
private UsbDevice mDevice;
private UsbAccessory mAccessory;
private UsbDisconnectedReceiver mDisconnectedReceiver;
@Override
protected void onCreate(Bundle savedInstanceState) {
Intent intent = getIntent();
@ -50,7 +54,6 @@ public class UsbResolverActivity extends ResolverActivity {
}
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. */
@ -58,6 +61,27 @@ public class UsbResolverActivity extends ResolverActivity {
This is necessary because this activity is needed for the user to allow
the application permission to access the device */
);
mDevice = (UsbDevice)target.getParcelableExtra(UsbManager.EXTRA_DEVICE);
if (mDevice != null) {
mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mDevice);
} else {
mAccessory = (UsbAccessory)target.getParcelableExtra(UsbManager.EXTRA_ACCESSORY);
if (mAccessory == null) {
Log.e(TAG, "no device or accessory");
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) {
@ -65,28 +89,24 @@ public class UsbResolverActivity extends ResolverActivity {
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_DEVICE_ATTACHED.equals(action)) {
UsbDevice device = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
if (mDevice != null) {
// grant permission for the device
service.grantDevicePermission(device, uid);
service.grantDevicePermission(mDevice, uid);
// set or clear default setting
if (alwaysCheck) {
service.setDevicePackage(device, ri.activityInfo.packageName);
service.setDevicePackage(mDevice, ri.activityInfo.packageName);
} else {
service.setDevicePackage(device, null);
service.setDevicePackage(mDevice, null);
}
} else if (UsbManager.ACTION_USB_ACCESSORY_ATTACHED.equals(action)) {
UsbAccessory accessory = (UsbAccessory)intent.getParcelableExtra(
UsbManager.EXTRA_ACCESSORY);
} else if (mAccessory != null) {
// grant permission for the accessory
service.grantAccessoryPermission(accessory, uid);
service.grantAccessoryPermission(mAccessory, uid);
// set or clear default setting
if (alwaysCheck) {
service.setAccessoryPackage(accessory, ri.activityInfo.packageName);
service.setAccessoryPackage(mAccessory, ri.activityInfo.packageName);
} else {
service.setAccessoryPackage(accessory, null);
service.setAccessoryPackage(mAccessory, null);
}
}

View File

@ -16,11 +16,13 @@
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.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
@ -602,50 +604,20 @@ class UsbDeviceSettingsManager {
}
public void deviceAttached(UsbDevice device) {
Intent deviceIntent = new Intent(UsbManager.ACTION_USB_DEVICE_ATTACHED);
deviceIntent.putExtra(UsbManager.EXTRA_DEVICE, device);
deviceIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
Intent intent = new Intent(UsbManager.ACTION_USB_DEVICE_ATTACHED);
intent.putExtra(UsbManager.EXTRA_DEVICE, device);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
ArrayList<ResolveInfo> matches;
String defaultPackage;
synchronized (mLock) {
matches = getDeviceMatchesLocked(device, deviceIntent);
matches = getDeviceMatchesLocked(device, intent);
// Launch our default activity directly, if we have one.
// Otherwise we will start the UsbResolverActivity to allow the user to choose.
defaultPackage = mDevicePreferenceMap.get(new DeviceFilter(device));
}
int count = matches.size();
// don't show the resolver activity if there are no choices available
if (count == 0) return;
if (defaultPackage != null) {
for (int i = 0; i < count; i++) {
ResolveInfo rInfo = matches.get(i);
if (rInfo.activityInfo != null &&
defaultPackage.equals(rInfo.activityInfo.packageName)) {
try {
deviceIntent.setComponent(new ComponentName(
defaultPackage, rInfo.activityInfo.name));
mContext.startActivity(deviceIntent);
} catch (ActivityNotFoundException e) {
Log.e(TAG, "startActivity failed", e);
}
return;
}
}
}
Intent intent = new Intent(mContext, UsbResolverActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.putExtra(Intent.EXTRA_INTENT, deviceIntent);
intent.putParcelableArrayListExtra(UsbResolverActivity.EXTRA_RESOLVE_INFOS, matches);
try {
mContext.startActivity(intent);
} catch (ActivityNotFoundException e) {
Log.w(TAG, "unable to start UsbResolverActivity");
}
resolveActivity(intent, matches, defaultPackage, device, null);
}
public void deviceDetached(UsbDevice device) {
@ -656,49 +628,86 @@ class UsbDeviceSettingsManager {
}
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, null, accessory);
}
private void resolveActivity(Intent intent, ArrayList<ResolveInfo> matches,
String defaultPackage, UsbDevice device, UsbAccessory accessory) {
int count = matches.size();
// don't show the resolver activity if there are no choices available
if (count == 0) return;
if (defaultPackage != null) {
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;
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;
int uid = rInfo.activityInfo.applicationInfo.uid;
// grant permission
if (device != null) {
grantDevicePermission(device, uid);
} else if (accessory != null) {
grantAccessoryPermission(accessory, uid);
}
}
}
Intent intent = new Intent(mContext, UsbResolverActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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)) {
defaultRI = rInfo;
break;
}
}
}
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");
if (defaultRI != null) {
// 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 {
long identity = Binder.clearCallingIdentity();
// 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");
} finally {
Binder.restoreCallingIdentity(identity);
}
}
}
@ -709,40 +718,121 @@ class UsbDeviceSettingsManager {
mContext.sendBroadcast(intent);
}
public void checkPermission(UsbDevice device) {
if (device == null) return;
public boolean hasPermission(UsbDevice device) {
synchronized (mLock) {
ArrayList<DeviceFilter> filterList = mDevicePermissionMap.get(Binder.getCallingUid());
ArrayList<DeviceFilter> filterList =
mDevicePermissionMap.get(Binder.getCallingUid());
if (filterList != null) {
int count = filterList.size();
for (int i = 0; i < count; i++) {
DeviceFilter filter = filterList.get(i);
if (filter.equals(device)) {
// permission allowed
return;
return true;
}
}
}
}
throw new SecurityException("User has not given permission to device " + device);
return false;
}
public void checkPermission(UsbAccessory accessory) {
if (accessory == null) return;
public boolean hasPermission(UsbAccessory accessory) {
synchronized (mLock) {
ArrayList<AccessoryFilter> filterList = mAccessoryPermissionMap.get(Binder.getCallingUid());
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;
return true;
}
}
}
}
throw new SecurityException("User has not given permission to accessory " + accessory);
return false;
}
public void checkPermission(UsbDevice device) {
if (!hasPermission(device)) {
throw new SecurityException("User has not given permission to device " + device);
}
}
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 = mContext.getPackageManager().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(UsbDevice device, String packageName, PendingIntent pi) {
Intent intent = new Intent();
// respond immediately if permission has already been granted
if (hasPermission(device)) {
intent.putExtra(UsbManager.EXTRA_DEVICE, device);
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;
}
// start UsbPermissionActivity so user can choose an activity
intent.putExtra(UsbManager.EXTRA_DEVICE, device);
requestPermissionDialog(intent, packageName, pi);
}
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 setDevicePackage(UsbDevice device, String packageName) {

View File

@ -16,6 +16,7 @@
package com.android.server.usb;
import android.app.PendingIntent;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
@ -454,6 +455,24 @@ public class UsbService extends IUsbManager.Stub {
mDeviceManager.setAccessoryPackage(accessory, packageName);
}
public boolean hasDevicePermission(UsbDevice device) {
return mDeviceManager.hasPermission(device);
}
public boolean hasAccessoryPermission(UsbAccessory accessory) {
return mDeviceManager.hasPermission(accessory);
}
public void requestDevicePermission(UsbDevice device, String packageName,
PendingIntent pi) {
mDeviceManager.requestPermission(device, packageName, pi);
}
public void requestAccessoryPermission(UsbAccessory accessory, String packageName,
PendingIntent pi) {
mDeviceManager.requestPermission(accessory, packageName, pi);
}
public void grantDevicePermission(UsbDevice device, int uid) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);
mDeviceManager.grantDevicePermission(device, uid);