@Override
public void onResume() {
super.onResume();
if (mNearbyCapable && PrefUtils.hasEnabledBle(this)) {
mDeviceManager.startSearchingForDevices();
}
}
// Handles a click on the Nearby menu item. Recognizes several states:
// 1. If the NearbyFragment is currently visible, does nothing.
// 2. If the user has not enabled Nearby, presents them with a legalese screen asking them to
// opt in.
// 3. If the device's Bluetooth is disabled, ask the user to enable it.
// 4. Otherwise, shows the fragment.
private void handleNearbyClick() {
final FragmentManager manager = getFragmentManager();
Fragment fragment = manager.findFragmentByTag(NEARBY_FRAGMENT_TAG);
if (fragment != null && fragment.isVisible()) {
return;
}
if (!PrefUtils.hasEnabledBle(this)) {
// If the user has not enabled Nearby, present them with a legalese screen asking them
// to do so.
Intent intent = new Intent(this, NearbyEulaActivity.class);
startActivityForResult(intent, REQUEST_ENABLE_NEARBY);
return;
}
if (!mDeviceManager.isEnabled()) {
// If the user's bluetooth is not enabled, ask them politely to turn it on. Beginning
// to search for devices should happen in onStart?
DialogFragment dialogFragment = new EnableBluetoothDialogFragment();
dialogFragment.show(getFragmentManager(), "EnableBluetoothDialogFragment");
return;
}
// Otherwise, the user has opted into BLE and their Bluetooth device is turned on!
showNearbyFragment(NEARBY_FRAGMENT_TAG);
}