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UsbResolverActivity.javaAPI DocAndroid 5.1 API5166Thu Mar 12 22:22:42 GMT 2015com.android.systemui.usb

UsbResolverActivity

public class UsbResolverActivity extends com.android.internal.app.ResolverActivity

Fields Summary
public static final String
TAG
public static final String
EXTRA_RESOLVE_INFOS
private android.hardware.usb.UsbDevice
mDevice
private android.hardware.usb.UsbAccessory
mAccessory
private UsbDisconnectedReceiver
mDisconnectedReceiver
Constructors Summary
Methods Summary
protected voidonCreate(android.os.Bundle savedInstanceState)


    
        
        Intent intent = getIntent();
        Parcelable targetParcelable = intent.getParcelableExtra(Intent.EXTRA_INTENT);
        if (!(targetParcelable instanceof Intent)) {
            Log.w("UsbResolverActivity", "Target is not an intent: " + targetParcelable);
            finish();
            return;
        }
        Intent target = (Intent)targetParcelable;
        ArrayList<ResolveInfo> rList = intent.getParcelableArrayListExtra(EXTRA_RESOLVE_INFOS);
        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. */ );

        CheckBox alwaysUse = (CheckBox)findViewById(com.android.internal.R.id.alwaysUse);
        if (alwaysUse != null) {
            if (mDevice == null) {
                alwaysUse.setText(R.string.always_use_accessory);
            } else {
                alwaysUse.setText(R.string.always_use_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);
        }
    
protected voidonDestroy()

        if (mDisconnectedReceiver != null) {
            unregisterReceiver(mDisconnectedReceiver);
        }
        super.onDestroy();
    
protected voidonIntentSelected(android.content.pm.ResolveInfo ri, android.content.Intent intent, boolean alwaysCheck)

        try {
            IBinder b = ServiceManager.getService(USB_SERVICE);
            IUsbManager service = IUsbManager.Stub.asInterface(b);
            final int uid = ri.activityInfo.applicationInfo.uid;
            final int userId = UserHandle.myUserId();

            if (mDevice != null) {
                // grant permission for the device
                service.grantDevicePermission(mDevice, uid);
                // set or clear default setting
                if (alwaysCheck) {
                    service.setDevicePackage(mDevice, ri.activityInfo.packageName, userId);
                } else {
                    service.setDevicePackage(mDevice, null, userId);
                }
            } else if (mAccessory != null) {
                // grant permission for the accessory
                service.grantAccessoryPermission(mAccessory, uid);
                // set or clear default setting
                if (alwaysCheck) {
                    service.setAccessoryPackage(mAccessory, ri.activityInfo.packageName, userId);
                } else {
                    service.setAccessoryPackage(mAccessory, null, userId);
                }
            }

            try {
                startActivityAsUser(intent, new UserHandle(userId));
            } catch (ActivityNotFoundException e) {
                Log.e(TAG, "startActivity failed", e);
            }
        } catch (RemoteException e) {
            Log.e(TAG, "onIntentSelected failed", e);
        }