FileDocCategorySizeDatePackage
UsbPermissionActivity.javaAPI DocAndroid 5.1 API6784Thu Mar 12 22:22:42 GMT 2015com.android.systemui.usb

UsbPermissionActivity

public class UsbPermissionActivity extends com.android.internal.app.AlertActivity implements CheckBox.OnCheckedChangeListener, DialogInterface.OnClickListener

Fields Summary
private static final String
TAG
private android.widget.CheckBox
mAlwaysUse
private android.widget.TextView
mClearDefaultHint
private android.hardware.usb.UsbDevice
mDevice
private android.hardware.usb.UsbAccessory
mAccessory
private android.app.PendingIntent
mPendingIntent
private String
mPackageName
private int
mUid
private boolean
mPermissionGranted
private UsbDisconnectedReceiver
mDisconnectedReceiver
Constructors Summary
Methods Summary
public voidonCheckedChanged(android.widget.CompoundButton buttonView, boolean isChecked)

        if (mClearDefaultHint == null) return;

        if(isChecked) {
            mClearDefaultHint.setVisibility(View.VISIBLE);
        } else {
            mClearDefaultHint.setVisibility(View.GONE);
        }
public voidonClick(android.content.DialogInterface dialog, int which)

        if (which == AlertDialog.BUTTON_POSITIVE) {
            mPermissionGranted = true;
        }
        finish();
public voidonCreate(android.os.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(Intent.EXTRA_UID, -1);
        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(android.R.string.ok);
        ap.mNegativeButtonText = getString(android.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);
        mAlwaysUse = (CheckBox)ap.mView.findViewById(com.android.internal.R.id.alwaysUse);
        if (mDevice == null) {
            mAlwaysUse.setText(R.string.always_use_accessory);
        } else {
            mAlwaysUse.setText(R.string.always_use_device);
        }
        mAlwaysUse.setOnCheckedChangeListener(this);
        mClearDefaultHint = (TextView)ap.mView.findViewById(
                                                    com.android.internal.R.id.clearDefaultHint);
        mClearDefaultHint.setVisibility(View.GONE);

        setupAlert();
public voidonDestroy()

        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 (mAlwaysUse.isChecked()) {
                        final int userId = UserHandle.getUserId(mUid);
                        service.setDevicePackage(mDevice, mPackageName, userId);
                    }
                }
            }
            if (mAccessory != null) {
                intent.putExtra(UsbManager.EXTRA_ACCESSORY, mAccessory);
                if (mPermissionGranted) {
                    service.grantAccessoryPermission(mAccessory, mUid);
                    if (mAlwaysUse.isChecked()) {
                        final int userId = UserHandle.getUserId(mUid);
                        service.setAccessoryPackage(mAccessory, mPackageName, userId);
                    }
                }
            }
            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();