@Override
protected String doInBackground(Void... aNothing) {
String res = null;
try {
res = getImage();
} catch (Exception e) {
Log.i(TAG, "Problem while downloading image", e);
}
return res;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Bundle aArgs = getArguments();
if (aArgs != null) {
mTask = GlobalData.tasks.get(aArgs.getInt(GlobalData.TASK_ID));
} else {
Log.w(TAG, "There is no arguments");
mTask = GlobalData.tasks.get(0);
}
}
// Only allowed in MODE_VIEW_TASK and MODE_VERIFICATION
public void checkAnswer() {
if (mTask.getCategory().charAt(0) == 'A') {
checkAnswerA();
} else if (mTask.getCategory().charAt(0) == 'B') {
checkAnswerB();
} else if (mTask.getCategory().charAt(0) == 'C') {
checkAnswerC();
} else {
Log.e(
TAG,
"Invalid category \""
+ mTask.getCategory()
+ "\" for task № "
+ String.valueOf(mTask.getId()));
}
}
@Override
public View onCreateView(
LayoutInflater aInflater, ViewGroup aContainer, Bundle aSavedInstanceState) {
View aView = aInflater.inflate(R.layout.task_page_item, aContainer, false);
// Get controls
mTaskHeaderView = (TextView) aView.findViewById(R.id.taskHeaderTextView);
mTaskStatusView = (TextView) aView.findViewById(R.id.taskStatusTextView);
mTaskViewAnimator = (ViewAnimator) aView.findViewById(R.id.taskViewAnimator);
mRetryButton = (Button) aView.findViewById(R.id.retryButton);
mTaskWebView = (TaskWebView) aView.findViewById(R.id.taskWebView);
mAnswerTextView = (TextView) aView.findViewById(R.id.answerTextView);
mBottomLayout = (RelativeLayout) aView.findViewById(R.id.bottomLayout);
mAnswerEditText = (EditText) aView.findViewById(R.id.answerEditText);
mAnswerButton = (Button) aView.findViewById(R.id.answerButton);
// Set listeners
mRetryButton.setOnClickListener(this);
mAnswerButton.setOnClickListener(this);
// Initialize controls
mTaskHeaderView.setText(
getString(R.string.task_header, mTask.getCategory(), mTask.getId() + 1));
updateStatus();
mTaskWebView.setInitialScale(30);
WebSettings aSettings = mTaskWebView.getSettings();
aSettings.setBuiltInZoomControls(true);
aSettings.setSupportZoom(true);
aSettings.setUseWideViewPort(true);
downloadImage();
switch (getCalculateActivity().getMode()) {
case CalculateActivity.MODE_VIEW_TASK:
mAnswerTextView.setVisibility(View.GONE);
break;
case CalculateActivity.MODE_TEST_TASK:
case CalculateActivity.MODE_VERIFICATION:
mAnswerTextView.setVisibility(View.GONE);
mAnswerButton.setVisibility(View.GONE);
break;
case CalculateActivity.MODE_VIEW_RESULT:
mBottomLayout.setVisibility(View.GONE);
mAnswerTextView.setText(getString(R.string.answer, mTask.getAnswer()));
break;
}
if (mTask.getCategory().charAt(0) == 'A') {
mAnswerEditText.setRawInputType(
InputType.TYPE_CLASS_NUMBER
| InputType.TYPE_NUMBER_FLAG_SIGNED
| InputType.TYPE_NUMBER_FLAG_DECIMAL);
mAnswerEditText.setSingleLine(true);
} else if (mTask.getCategory().charAt(0) == 'B') {
if (GlobalData.selectedLesson.getId().equals("russian")) {
mAnswerEditText.setRawInputType(
InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_NORMAL);
} else {
mAnswerEditText.setRawInputType(
InputType.TYPE_CLASS_NUMBER
| InputType.TYPE_NUMBER_FLAG_SIGNED
| InputType.TYPE_NUMBER_FLAG_DECIMAL);
}
mAnswerEditText.setSingleLine(true);
} else if (mTask.getCategory().charAt(0) == 'C') {
mAnswerEditText.setRawInputType(
InputType.TYPE_CLASS_TEXT
| InputType.TYPE_TEXT_VARIATION_NORMAL
| InputType.TYPE_TEXT_FLAG_MULTI_LINE);
mAnswerEditText.setSingleLine(false);
} else {
Log.e(
TAG,
"Invalid category \""
+ mTask.getCategory()
+ "\" for task № "
+ String.valueOf(mTask.getId()));
}
return aView;
}
private String getImage() throws IOException {
String aFileName =
GlobalData.selectedLesson.getId() + "/" + String.valueOf(mTask.getId() + 1) + ".png";
if (new File(GlobalData.PATH_ON_SD_CARD + aFileName).exists()) {
Drawable aDrawable = Drawable.createFromPath(GlobalData.PATH_ON_SD_CARD + aFileName);
if (aDrawable != null) {
return "file://" + GlobalData.PATH_ON_SD_CARD + aFileName;
} else {
Log.i(TAG, "Invalid file on sdcard: " + GlobalData.PATH_ON_SD_CARD + aFileName);
}
}
if (Utils.checkWifiOrNet(getCalculateActivity())) {
// Download file
URL aUrl = new URL(GlobalData.PATH_ON_NET + aFileName);
HttpURLConnection aConnection = (HttpURLConnection) aUrl.openConnection();
aConnection.setReadTimeout(300000);
aConnection.setConnectTimeout(300000);
aConnection.setRequestMethod("GET");
aConnection.setDoInput(true);
aConnection.connect();
InputStream in = aConnection.getInputStream();
boolean aFromInternet = true;
try {
byte[] aBuffer = new byte[4096];
new File(GlobalData.PATH_ON_SD_CARD + GlobalData.selectedLesson.getId()).mkdirs();
new File(GlobalData.PATH_ON_SD_CARD + ".nomedia").createNewFile();
FileOutputStream aNewFile = new FileOutputStream(GlobalData.PATH_ON_SD_CARD + aFileName);
do {
int aBytes = in.read(aBuffer);
if (aBytes <= 0) {
break;
}
aNewFile.write(aBuffer, 0, aBytes);
} while (true);
aNewFile.close();
aFromInternet = false;
} catch (Exception e) {
Log.w(TAG, "Problem while saving image on sd card", e);
}
try {
in.close();
} catch (Exception e) {
Log.w(TAG, "Problem while saving image on sd card", e);
}
if (aFromInternet) {
return GlobalData.PATH_ON_NET + aFileName;
} else {
Drawable aDrawable = Drawable.createFromPath(GlobalData.PATH_ON_SD_CARD + aFileName);
if (aDrawable != null) {
return "file://" + GlobalData.PATH_ON_SD_CARD + aFileName;
} else {
Log.w(
TAG,
"Invalid file on SD card after downloading: "
+ GlobalData.PATH_ON_SD_CARD
+ aFileName);
}
}
}
return null;
}
