public PcaAsyncTask(Context context, List<String> files, int numComponents) {
super(context);
mFiles = files;
mFileManager = FileManager.getSingleton(context);
mNumComponents = numComponents;
mShowComponentsMsg = false;
}
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
fileManager = FileManager.getSingleton(getContext());
DeviceConnectionListener listener = null;
Bundle args = getArguments();
if (args != null) {
fromDevice = args.getBoolean(ARG_FROM_DEVICE);
if (fromDevice) {
listener = this;
}
}
usbConn = UsbConnection.getSingleton(getContext(), listener);
mainHandler = new Handler(getContext().getMainLooper());
}
private void createView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
// Inflate the layout for this fragment
view = inflater.inflate(R.layout.fragment_pca_tab, container, false);
layoutProgress = view.findViewById(R.id.layoutProgress);
layoutProgress.setVisibility(View.GONE);
layoutPCAGraphOptions = view.findViewById(R.id.layoutPCAGraphOptions);
layoutPCAGraphOptions.setVisibility(View.GONE);
listFiles = (ListView) view.findViewById(R.id.listArquivos);
txtComponentes = (TextView) view.findViewById(R.id.txtComponentes);
txtComponentes.setText("20");
seekComponentes = (SeekBar) view.findViewById(R.id.seekComponentes);
seekComponentes.setOnSeekBarChangeListener(
new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
if (progress == 0) {
seekBar.setProgress(1);
progress = 1;
}
txtComponentes.setText(String.valueOf(progress));
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO
numComponentes = seekBar.getProgress();
}
});
seekComponentes.setProgress(20);
numComponentes = 20;
btnPCA = (Button) view.findViewById(R.id.btnPCA);
btnPCA.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO:
btnPCA.setEnabled(false);
ArrayList<String> files = new ArrayList<>();
SparseBooleanArray checkedPositions = listFiles.getCheckedItemPositions();
for (int i = 0; i < listFiles.getCount(); i++) {
if (checkedPositions.get(i)) {
String strFile = (String) listFiles.getItemAtPosition(i);
if (!TextUtils.isEmpty(strFile)) {
files.add(strFile);
} else {
// TODO:
}
}
}
if (files.isEmpty()) {
// TODO: show alert, need to select at least one file
return;
}
Bundle args = new Bundle();
args.putStringArrayList(ARG_FILENAMES, files);
getLoaderManager().restartLoader(LOADER_PCA, args, PcaTabFragment.this).forceLoad();
}
});
radioGroupMatrizes = (RadioGroup) view.findViewById(R.id.radioGroupMatrizes);
radioMatrizesL = (RadioButton) view.findViewById(R.id.radioMatrizesL);
radioMatrizesL.setChecked(true);
spinX = (Spinner) view.findViewById(R.id.spinX);
spinY = (Spinner) view.findViewById(R.id.spinY);
btnPlotPCA = (Button) view.findViewById(R.id.btnPlotPCA);
btnPlotPCA.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
ChartCollection collection = null;
switch (radioGroupMatrizes.getCheckedRadioButtonId()) {
case R.id.radioMatrizesL:
collection = chartCollections.get("L");
break;
case R.id.radioMatrizesT:
collection = chartCollections.get("T");
break;
}
if (collection != null) {
int x = spinX.getSelectedItemPosition();
int y = spinY.getSelectedItemPosition();
ChartCollection finalCollection =
new ChartCollection(String.format("PCA - (%d, %d)", x, y));
Map<Double, Double> data = new HashMap<>();
for (ChartData chartData : collection) {
// TODO:
Number numX = chartData.getData().get((double) x);
data.put(numX.doubleValue(), chartData.getData().get((double) y));
}
ChartData chartData = new ChartData("PCA", "PCA", new Date().getTime(), data);
finalCollection.addChartData(chartData);
listener.onPlotChart(finalCollection);
}
}
});
fileManager = FileManager.getSingleton(getContext());
if (fileManager.askForStoragePermission(
getActivity(), REQUEST_FILE_PERMISSION, Manifest.permission.READ_EXTERNAL_STORAGE)) {
fillFilesListView();
}
mShortAnimationDuration = getResources().getInteger(android.R.integer.config_shortAnimTime);
}