Android Open Source - checkin Check In Fragment

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License

The source code is released under:

# License Copyright ? 2014 Sam Whited Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ?Software??), to deal ...

Java Source Code

package com.samwhited.checkin;
/*from  w  ww .ja v a2  s.c om*/
import android.app.Activity;
import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.Spinner;
import android.widget.SpinnerAdapter;
import android.widget.TextView;

import com.samwhited.checkin.util.CheckInPreferences;
import com.samwhited.checkin.util.Formatting;

/**
 * A simple {@link android.app.Fragment} subclass.
 * Activities that contain this fragment must implement the
 * {@link CheckInFragment.OnFragmentInteractionListener} interface
 * to handle interaction events.
 */
public class CheckInFragment extends Fragment implements Button.OnClickListener {

  private OnFragmentInteractionListener mListener;

  public CheckInFragment() {
    // Required empty public constructor
  }

  private void updateLastCheckinText(final View view) {
    if (view == null) {
      return;
    }
    final TextView lastCheckin = (TextView) view.findViewById(R.id.last_check_in);
    final TextView lastCheckinTitle = (TextView) view.findViewById(R.id.last_check_in_title);

    if (lastCheckin != null && getActivity() != null) {
      // Update the last checkin time.
      final long checkinTime = CheckInPreferences.getLastCheckin(getActivity());
      if (checkinTime != 0) {
        final String formatted = Formatting.formatDateTime(getActivity(), checkinTime);
        lastCheckin.setText(formatted);
        lastCheckinTitle.setVisibility(View.VISIBLE);
      }
    }

    final TextView unuploaded = (TextView) view.findViewById(R.id.unuploaded_checkins);
    final View unuploadedLayout = view.findViewById(R.id.unuploaded_layout);

    if (unuploaded != null && getActivity() != null) {
      long numCheckins = 0;
      if (getActivity() instanceof CheckInActivity) {
        numCheckins = ((CheckInActivity)getActivity()).getNumCheckIns();
      }

      unuploaded.setText(String.valueOf(numCheckins));
      unuploadedLayout.setVisibility(View.VISIBLE);
    }
  }

  protected void updateLastCheckinText() {
    updateLastCheckinText(getView());
  }

  @Override
  public View onCreateView(final LayoutInflater inflater,
               final ViewGroup container,
               final Bundle savedInstanceState) {
    // Inflate the layout for this fragment
    final View view = inflater.inflate(R.layout.fragment_check_in, container, false);
    if (view != null) {
      final Button button = (Button) view.findViewById(R.id.button_check_in);
      if (button != null) {
        button.setOnClickListener(this);
      }

      // Display the actual icons next to their description in the icon selection spinner.
      final Spinner spinner = (Spinner) view.findViewById(R.id.icon_spinner);
      if (spinner != null) {
        final String[] icons = getResources().getStringArray(R.array.marker_values);
        final String[] names = getResources().getStringArray(R.array.marker_names);
        final SpinnerAdapter adapter = new IconSpinnerAdapter(getActivity(),
            android.R.layout.simple_spinner_dropdown_item,
            names,
            icons);
        spinner.setAdapter(adapter);
        spinner.invalidate();
      }

      updateLastCheckinText(view);
    }
    return view;
  }

  @Override
  public void onAttach(final Activity activity) {
    super.onAttach(activity);
    try {
      mListener = (OnFragmentInteractionListener) activity;
    } catch (ClassCastException e) {
      throw new ClassCastException(activity.toString()
          + " must implement OnFragmentInteractionListener");
    }
  }

  @Override
  public void onDetach() {
    super.onDetach();
    mListener = null;
  }

  /**
   * Called when the check in button has been clicked.
   *
   * @param v The view that was clicked.
   */
  @Override
  public void onClick(final View v) {
    if (mListener != null) {
      mListener.onFragmentInteraction(v);
    }
  }

  /**
   * This interface must be implemented by activities that contain this
   * fragment to allow an interaction in this fragment to be communicated
   * to the activity and potentially other fragments contained in that
   * activity.
   */
  public interface OnFragmentInteractionListener {
    public void onFragmentInteraction(final View view);
  }

  public String getSelectedIcon() {
    if (getView() != null) {
      final Spinner spinner = (Spinner) getView().findViewById(R.id.icon_spinner);
      if (spinner != null) {
        final String[] icons = getResources().getStringArray(R.array.marker_values);
        return icons[spinner.getSelectedItemPosition()];
      }
    }
    return "";
  }

}

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