92 lines
3.7 KiB
Java
92 lines
3.7 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.usb;
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import com.android.internal.app.ResolverActivity;
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import android.content.ActivityNotFoundException;
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import android.content.Intent;
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import android.content.pm.ResolveInfo;
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import android.hardware.usb.IUsbManager;
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import android.hardware.usb.UsbAccessory;
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import android.hardware.usb.UsbManager;
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import android.os.Bundle;
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import android.os.IBinder;
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import android.os.Parcelable;
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import android.os.RemoteException;
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import android.os.ServiceManager;
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import android.util.Log;
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import java.util.ArrayList;
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/* Activity for choosing an application for a USB device or accessory */
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public class UsbResolverActivity extends ResolverActivity {
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public static final String TAG = "UsbResolverActivity";
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public static final String EXTRA_RESOLVE_INFOS = "rlist";
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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Intent intent = getIntent();
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Parcelable targetParcelable = intent.getParcelableExtra(Intent.EXTRA_INTENT);
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if (!(targetParcelable instanceof Intent)) {
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Log.w("UsbResolverActivity", "Target is not an intent: " + targetParcelable);
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finish();
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return;
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}
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Intent target = (Intent)targetParcelable;
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ArrayList<ResolveInfo> rList = intent.getParcelableArrayListExtra(EXTRA_RESOLVE_INFOS);
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Log.d(TAG, "rList.size() " + rList.size());
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CharSequence title = getResources().getText(com.android.internal.R.string.chooseUsbActivity);
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super.onCreate(savedInstanceState, target, title, null, rList,
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true, /* Set alwaysUseOption to true to enable "always use this app" checkbox. */
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true /* Set alwaysChoose to display activity when only one choice is available.
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This is necessary because this activity is needed for the user to allow
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the application permission to access the device */
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);
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}
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protected void onIntentSelected(ResolveInfo ri, Intent intent, boolean alwaysCheck) {
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try {
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IBinder b = ServiceManager.getService(USB_SERVICE);
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IUsbManager service = IUsbManager.Stub.asInterface(b);
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int uid = ri.activityInfo.applicationInfo.uid;
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String action = intent.getAction();
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if (UsbManager.ACTION_USB_ACCESSORY_ATTACHED.equals(action)) {
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UsbAccessory accessory = (UsbAccessory)intent.getParcelableExtra(
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UsbManager.EXTRA_ACCESSORY);
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// grant permission for the accessory
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service.grantAccessoryPermission(accessory, uid);
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// set or clear default setting
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if (alwaysCheck) {
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service.setAccessoryPackage(accessory, ri.activityInfo.packageName);
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} else {
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service.setAccessoryPackage(accessory, null);
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}
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}
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try {
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startActivity(intent);
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} catch (ActivityNotFoundException e) {
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Log.e(TAG, "startActivity failed", e);
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}
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} catch (RemoteException e) {
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Log.e(TAG, "onIntentSelected failed", e);
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}
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}
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}
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