Java tutorial
/** * Puzzlebox Jigsaw * Copyright 2015 Puzzlebox Productions, LLC * License: GNU Affero General Public License Version 3 */ package io.puzzlebox.jigsaw.ui; import android.app.Activity; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.graphics.Color; import android.net.Uri; import android.os.Bundle; //import android.app.Fragment; import android.support.v4.app.Fragment; import android.support.v4.content.LocalBroadcastManager; import android.text.Editable; import android.text.TextWatcher; import android.util.Log; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; import com.androidplot.xy.BoundaryMode; import com.androidplot.xy.LineAndPointFormatter; import com.androidplot.xy.SimpleXYSeries; import com.androidplot.xy.XYPlot; import java.text.DecimalFormat; import java.util.Arrays; import io.puzzlebox.jigsaw.R; import io.puzzlebox.jigsaw.data.SessionSingleton; import static android.view.MenuItem.SHOW_AS_ACTION_ALWAYS; public class SessionFragment extends Fragment { private final static String TAG = SessionFragment.class.getSimpleName(); private static EditText editTextSessionProfile; private static TextView textViewSessionTime; private static XYPlot sessionPlot1 = null; private static SimpleXYSeries sessionPlotSeries1 = null; private static XYPlot sessionPlot2 = null; private static SimpleXYSeries sessionPlotSeries2 = null; private OnFragmentInteractionListener mListener; public static SessionFragment newInstance() { SessionFragment fragment = new SessionFragment(); Bundle args = new Bundle(); fragment.setArguments(args); return fragment; } // ################################################################ public SessionFragment() { // Required empty public constructor } // ################################################################ @Override public void onCreate(Bundle savedInstanceState) { setHasOptionsMenu(true); super.onCreate(savedInstanceState); } // ################################################################ @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for this fragment View v = inflater.inflate(R.layout.fragment_session, container, false); editTextSessionProfile = (EditText) v.findViewById(R.id.editTextSessionProfile); if (SessionSingleton.getInstance().getSessionName() == null) SessionSingleton.getInstance().setSessionName(getString(R.string.session_profile)); editTextSessionProfile.setText(SessionSingleton.getInstance().getSessionName()); editTextSessionProfile.addTextChangedListener(new TextWatcher() { @Override public void onTextChanged(CharSequence s, int start, int before, int count) { SessionSingleton.getInstance().setSessionName(editTextSessionProfile.getText().toString()); } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void afterTextChanged(Editable s) { } }); textViewSessionTime = (TextView) v.findViewById(R.id.textViewSessionTime); // Button exportToCSV = (Button) v.findViewById(R.id.buttonExportCSV); // exportToCSV.setOnClickListener(new View.OnClickListener() { // @Override // public void onClick(View v) { // Log.d(TAG, "SessionSingleton.getInstance().exportDataToCSV"); // SessionSingleton.getInstance().exportDataToCSV(null, null); // } // }); Button resetSession = (Button) v.findViewById(R.id.buttonResetSession); resetSession.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { resetSession(); } }); // setup the Session History plot sessionPlot1 = (XYPlot) v.findViewById(R.id.sessionPlot1); sessionPlotSeries1 = new SimpleXYSeries("Session Plot"); // Setup the boundary mode, boundary values only applicable in FIXED mode. if (sessionPlot1 != null) { sessionPlot1.setDomainBoundaries(0, 30, BoundaryMode.FIXED); // sessionPlot1.setRangeBoundaries(0, 100, BoundaryMode.GROW); sessionPlot1.setRangeBoundaries(0, 100, BoundaryMode.FIXED); // sessionPlot1.addSeries(sessionPlotSeries1, new LineAndPointFormatter(Color.rgb(200, 100, 100), Color.BLACK, null, null)); sessionPlot1.addSeries(sessionPlotSeries1, new LineAndPointFormatter(Color.rgb(200, 100, 100), Color.RED, null, null)); // Thin out domain and range tick values so they don't overlap sessionPlot1.setDomainStepValue(1); sessionPlot1.setTicksPerRangeLabel(10); // sessionPlot1.setRangeLabel("Attention"); sessionPlot1.setRangeLabel(""); // Sets the dimensions of the widget to exactly contain the text contents sessionPlot1.getDomainLabelWidget().pack(); sessionPlot1.getRangeLabelWidget().pack(); // Only display whole numbers in labels sessionPlot1.getGraphWidget().setDomainValueFormat(new DecimalFormat("0")); sessionPlot1.getGraphWidget().setRangeValueFormat(new DecimalFormat("0")); // Hide domain and range labels sessionPlot1.getGraphWidget().setDomainLabelWidth(0); sessionPlot1.getGraphWidget().setRangeLabelWidth(0); // Hide legend sessionPlot1.getLegendWidget().setVisible(false); // setGridPadding(float left, float top, float right, float bottom) sessionPlot1.getGraphWidget().setGridPadding(0, 0, 0, 0); // sessionPlot1.getGraphWidget().setDrawMarkersEnabled(false); // final PlotStatistics histStats = new PlotStatistics(1000, false); // sessionPlot1.addListener(histStats); } // setup the Session History plot sessionPlot2 = (XYPlot) v.findViewById(R.id.sessionPlot2); sessionPlotSeries2 = new SimpleXYSeries("Session Plot"); // Setup the boundary mode, boundary values only applicable in FIXED mode. if (sessionPlot2 != null) { sessionPlot2.setDomainBoundaries(0, 30, BoundaryMode.FIXED); // sessionPlot2.setRangeBoundaries(0, 100, BoundaryMode.GROW); sessionPlot2.setRangeBoundaries(0, 100, BoundaryMode.FIXED); // sessionPlot2.addSeries(sessionPlotSeries2, new LineAndPointFormatter(Color.rgb(200, 100, 100), Color.BLACK, null, null)); sessionPlot2.addSeries(sessionPlotSeries2, new LineAndPointFormatter(Color.rgb(200, 100, 100), Color.RED, null, null)); // Thin out domain and range tick values so they don't overlap sessionPlot2.setDomainStepValue(1); sessionPlot2.setTicksPerRangeLabel(10); // sessionPlot2.setRangeLabel("Meditation"); sessionPlot2.setRangeLabel(""); // Sets the dimensions of the widget to exactly contain the text contents sessionPlot2.getDomainLabelWidget().pack(); sessionPlot2.getRangeLabelWidget().pack(); // Only display whole numbers in labels sessionPlot2.getGraphWidget().setDomainValueFormat(new DecimalFormat("0")); sessionPlot2.getGraphWidget().setRangeValueFormat(new DecimalFormat("0")); // Hide domain and range labels sessionPlot2.getGraphWidget().setDomainLabelWidth(0); sessionPlot2.getGraphWidget().setRangeLabelWidth(0); // Hide legend sessionPlot2.getLegendWidget().setVisible(false); // setGridPadding(float left, float top, float right, float bottom) sessionPlot2.getGraphWidget().setGridPadding(0, 0, 0, 0); // sessionPlot2.getGraphWidget().setDrawMarkersEnabled(false); // final PlotStatistics histStats = new PlotStatistics(1000, false); // sessionPlot2.addListener(histStats); } return v; } // ################################################################ @Override public void onAttach(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; } // ################################################################ /** * 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. * <p/> * See the Android Training lesson <a href= * "http://developer.android.com/training/basics/fragments/communicating.html" * >Communicating with Other Fragments</a> for more information. */ public interface OnFragmentInteractionListener { public void onFragmentInteraction(Uri uri); } // ################################################################ public void onPause() { Log.v(TAG, "onPause()"); super.onPause(); LocalBroadcastManager.getInstance(getActivity().getApplicationContext()) .unregisterReceiver(mPacketReceiver); } // onPause // ################################################################ @Override public void onResume() { Log.v(TAG, "onResume()"); super.onResume(); updateSessionTime(); LocalBroadcastManager.getInstance(getActivity().getApplicationContext()).registerReceiver(mPacketReceiver, new IntentFilter("io.puzzlebox.jigsaw.protocol.thinkgear.packet")); } // ################################################################ @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { menu.add("Share").setOnMenuItemClickListener(this.mShareButtonClickListener) .setIcon(android.R.drawable.ic_menu_share).setShowAsAction(SHOW_AS_ACTION_ALWAYS); super.onCreateOptionsMenu(menu, inflater); } // ################################################################ MenuItem.OnMenuItemClickListener mShareButtonClickListener = new MenuItem.OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem item) { Intent i = SessionSingleton.getInstance().getExportSessionIntent(getActivity().getApplicationContext(), item); if (i != null) { startActivity(i); } else { Toast.makeText(getActivity().getApplicationContext(), "Error export session data for sharing", Toast.LENGTH_SHORT).show(); } return false; } }; // ################################################################ private void resetSession() { Log.d(TAG, "SessionSingleton.getInstance().resetSession()"); SessionSingleton.getInstance().resetSession(); textViewSessionTime.setText(R.string.session_time); Toast.makeText((getActivity().getApplicationContext()), "Session data reset", Toast.LENGTH_SHORT).show(); } // ################################################################ private BroadcastReceiver mPacketReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { updateSessionTime(); sessionPlotSeries1 = updateSessionPlotHistory("Attention", SessionSingleton.getInstance().getSessionRangeValues("Attention", 30), Color.RED, sessionPlot1, sessionPlotSeries1); // updateSessionPlotHistory( // SessionSingleton.getInstance().getSessionRangeValues( // "Attention", 30)); // updateSessionPlotHistory2( // SessionSingleton.getInstance().getSessionRangeValues( // "Meditation", 30)); sessionPlotSeries2 = updateSessionPlotHistory("Meditation", SessionSingleton.getInstance().getSessionRangeValues("Meditation", 30), Color.BLUE, sessionPlot2, sessionPlotSeries2); } }; // ################################################################ private void updateSessionTime() { textViewSessionTime.setText(SessionSingleton.getInstance().getSessionTimestamp()); } // ################################################################ // public void updateSessionPlotHistory(Number[] values) { public SimpleXYSeries updateSessionPlotHistory(String name, Number[] values, Integer color, XYPlot mPlot, SimpleXYSeries mSeries) { // if (sessionPlot1 != null) { // sessionPlot1.removeSeries(sessionPlotSeries1); if (mPlot != null) { mPlot.removeSeries(mSeries); mSeries = new SimpleXYSeries(Arrays.asList(values), SimpleXYSeries.ArrayFormat.Y_VALS_ONLY, name); LineAndPointFormatter format = new LineAndPointFormatter(color, color, null, null); // format.getFillPaint().setAlpha(220); mPlot.addSeries(mSeries, format); // Redraw the plots: mPlot.redraw(); return mSeries; } else return null; } // updateSessionPlotHistory }