/**
* Updates the UI based on the result of the loading/alignment stage.
*
* @param success
*/
public void updateUI(boolean success, String errorMessage) {
Log.i(LOG_TAG, "errorMessage:" + errorMessage);
if (success) {
ScanUtils.displayImageInWebView(
(WebView) findViewById(R.id.webview), ScanUtils.getAlignedPhotoPath(photoName));
} else {
RelativeLayout failureMessage = (RelativeLayout) findViewById(R.id.failureContainer);
failureMessage.setVisibility(View.VISIBLE);
if (errorMessage != null && errorMessage.length() > 0) {
((TextView) findViewById(R.id.failureMessage)).setText(errorMessage);
}
}
content.setVisibility(View.VISIBLE);
processButton.setEnabled(success);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
try {
Log.i(LOG_TAG, "After Photo taken");
setContentView(R.layout.after_photo_taken);
content = (LinearLayout) findViewById(R.id.myLinearLayout);
processButton = (Button) findViewById(R.id.process_button);
extras = getIntent().getExtras();
if (extras == null) {
Log.i(LOG_TAG, "extras == null");
// This might happen if we use back to reach this activity from
// the camera activity.
content.setVisibility(View.VISIBLE);
return;
}
photoName = extras.getString("photoName");
// Handler that gets called when processing finishes:
final Handler handler =
new Handler(
new Handler.Callback() {
public boolean handleMessage(Message message) {
RunProcessor.Mode mode = RunProcessor.Mode.values()[message.what];
boolean success = (message.arg1 == 1);
Bundle result = message.getData();
String errorMessage = result.getString("errorMessage");
try {
dismissDialog(message.what);
} catch (IllegalArgumentException e) {
Log.i(
LOG_TAG,
"Exception: Dialog with id " + message.what + " was not previously shown.");
}
if (ScanUtils.DebugMode) {
Log.i(LOG_TAG, "Mode: " + mode);
if (success) {
Log.i(LOG_TAG, "Success!");
}
double timeTaken = (double) (new Date().getTime() - startTime) / 1000;
Log.i(LOG_TAG, "Time taken:" + String.format("%.2f", timeTaken));
}
switch (mode) {
case LOAD:
updateUI(success, errorMessage);
break;
case LOAD_ALIGN:
if (success) {
int templatePathIdx = message.arg2;
try {
ScanUtils.setTemplatePath(photoName, templatePaths[templatePathIdx]);
} catch (IOException e) {
// TODO Auto-generated catch block
}
}
updateUI(success, errorMessage);
break;
case PROCESS:
if (success) {
Intent intent = new Intent(getApplication(), DisplayProcessedForm.class);
intent.putExtras(extras);
startActivity(intent);
finish();
} else {
updateUI(success, errorMessage);
}
break;
default:
return true;
}
return true;
}
});
Button retake = (Button) findViewById(R.id.retake_button);
retake.setOnClickListener(
new View.OnClickListener() {
public void onClick(View v) {
Intent intent = new Intent(getApplication(), PhotographForm.class);
extras.putString("photoName", photoName + "_retake");
intent.putExtras(extras);
startActivity(intent);
finish();
}
});
SharedPreferences settings =
PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
if (extras.getBoolean("preAligned")) {
// This is for opening forms from the scanned form list that haven't yet been processed.
String[] templatePath = {ScanUtils.getTemplatePath(photoName)};
runProcessor =
new RunProcessor(
handler, photoName, templatePath, settings.getString("calibrationFile", null));
startThread(RunProcessor.Mode.LOAD);
} else if (extras.containsKey("templatePaths")) {
// Supplying templatePaths in the extras overrides those in the prefs.
// This is used for specifying the next page in a multi-page form.
templatePaths = extras.getStringArray("templatePaths");
runProcessor =
new RunProcessor(
handler, photoName, templatePaths, settings.getString("calibrationFile", null));
startThread(RunProcessor.Mode.LOAD_ALIGN);
} else {
updateUI(false, "Error: templatePaths key was not provided.");
}
/*
//Moving this to Photograph Form:
else {
templatePaths = MultiSelectListPreference
.fromPersistedPreferenceValue(settings.getString(
"select_templates", ""));
if (templatePaths == null || templatePaths.length == 0) {
updateUI(false, "No templates are selected.\nYou can select templates in the Settings menu.");
return;
}
// Start another thread to handle all the image processing:
runProcessor = new RunProcessor(handler, photoName,
templatePaths, settings.getString("calibrationFile",
null));
startThread(RunProcessor.Mode.LOAD_ALIGN);
}
*/
processButton.setOnClickListener(
new View.OnClickListener() {
public void onClick(View v) {
startThread(RunProcessor.Mode.PROCESS);
}
});
} catch (Exception e) {
// Display an error dialog if something goes wrong.
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder
.setMessage(e.toString())
.setCancelable(false)
.setNeutralButton(
"Ok",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.cancel();
finish();
}
});
AlertDialog alert = builder.create();
alert.show();
}
}
