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The source code is released under:
Apache License
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/* * Copyright (C) 2009 The ITWizard// w w w. j a v a 2s .c om * */ package com.itwizard.mezzofanti; import java.io.FileOutputStream; import java.util.Calendar; import android.app.Activity; import android.app.AlertDialog; import android.content.BroadcastReceiver; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.IntentFilter; import android.content.SharedPreferences; import android.content.DialogInterface.OnCancelListener; import android.content.pm.ActivityInfo; import android.widget.TextView; import android.widget.Toast; import android.net.Uri; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.os.Message; import android.preference.PreferenceManager; import android.content.res.Configuration; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.hardware.SensorManager; import android.view.SurfaceHolder; import android.view.Menu; import android.view.MenuItem; import android.view.OrientationEventListener; import android.view.Window; import android.view.WindowManager; import android.util.Log; import android.view.View; import android.view.KeyEvent; import android.view.SurfaceView; import android.view.View.OnClickListener; import android.app.ProgressDialog; import android.media.AudioManager; import android.media.ToneGenerator; import android.os.Vibrator; public class Mezzofanti extends Activity implements SurfaceHolder.Callback, View.OnClickListener, Runnable { /* * ---------------------------------------------------------------------------------------- * the CONSTANTS * ---------------------------------------------------------------------------------------- */ // language files that are stored in "assets" public static final String svLangExtNames[] = { ".DangAmbigs", ".freq-dawg", ".fst", ".inttemp", ".ngram_triv", ".normproto", ".pffmtable", ".unicharset", ".user-words", ".word-dawg"}; // global variables used throughout the code public static final String PACKAGE_NAME = "com.itwizard.mezzofanti"; public static final String DATA_PATH = "/sdcard/tessdata/"; public static final String RESULTS_PATH = DATA_PATH + "out/"; public static final String TEMP_PATH = DATA_PATH + "temp/"; public static final String PACKAGE_DATA = "/data/app/" + PACKAGE_NAME + ".apk"; public static final String DOWNLOAD_URL = "http://www.itwizard.ro/mezzolang/"; public static final String CONFIG_FILE = "config.txt"; // public variables public static boolean m_bSkipIntroAtStartup = true; // skip the introduction at startup (loaded from the xml prefs-file) private boolean m_bHorizontalDisplay = true; // true=horizontal / false=vertical (this is updated all the time) private Bitmap m_bmOCRBitmap; // bitmap we get the image from camera private boolean m_bHorizDispAtPicTaken = true; // this is updated just before the picture taken, it will be sent as a param to the OCR processing private boolean m_bScreenRequestPicture = false; /* ---------------------------------------------------------------------------------------- * local variables * ---------------------------------------------------------------------------------------- */ private static final String TAG = "MLOG: Mezzofonti.java: "; private boolean m_bIntroWasDisplayedAtStartup = false; // only true when the app first starts (false at resume) private boolean m_bHasSurface = false; // used to init the camera private boolean m_bSdcardMounted = true; // checks if the sdcard is mounted or not private boolean m_bPreviewReady = false; // is the preview ready private boolean m_bFocusButtonPressed = false; // focus button is pressed private ProgressDialog m_pdOCRInProgress; // display this progress dialog while OCR runs private OrientationEventListener m_OEListener = null; // used to get vertical/horizontal camera position private OnScreenHint m_oshStorageHint; // a persistent-toast(message) displayed on the screen private CaptureLayout m_clCapture; // Capture-mode private boolean m_bDidRegister = false; // was the broadcast receiver registered or not private boolean m_bOCRInProgress = false; // if OCR is processing or not private boolean m_bLineMode = true; // capture-mode: line/all private String m_sOCRResultLineMode = ""; // the ocr string in line mode // 'Menu' items private Menu m_sPreferencesMenu = null; private static final int PREFERENCES_GROUP_ID = 0; private static final int SETTINGS_ID = Menu.FIRST; private static final int HELP_ID = Menu.FIRST + 1; private static final int FEEDBACK_ID = Menu.FIRST + 2; private static final int ABOUT_ID = Menu.FIRST + 3; // the buttons on small-capture mode private CustomImageButton m_btSwitch; private CustomImageButton m_btDelOne; private CustomImageButton m_btGotoResults; /* * ---------------------------------------------------------------------------------------- * Overrides * ---------------------------------------------------------------------------------------- */ /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); try { Log.v(TAG, "Starting app"); this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); // never enter standby when camera open Window window = getWindow(); window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); CameraManager.Initialize(getApplication()); // set the layout to the xml definition setContentView(R.layout.main); CustomImageButton bt = (CustomImageButton)findViewById(R.id.mezzofanti_button_camerabutton); bt.SetImage(R.drawable.camera_64, 0, 0); bt.setOnClickListener(new OnClickListener() { public void onClick(View v) { // TODO Auto-generated method stub Log.v(TAG, "CameraButton OnClick"); m_bScreenRequestPicture = true; RequestCameraFocus(); } }); m_clCapture = (CaptureLayout)findViewById(R.id.mezzofanti_capturelayout_view); m_bSdcardMounted = CheckSDCardState(); SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this); OCR.mConfig.GetSettings(prefs); if (m_bLineMode) CameraManager.SetImgDivisor(2); else CameraManager.SetImgDivisor(OCR.mConfig.GetImgDivisor()); m_bHasSurface = false; // register to the orientation events CreateOrientationListener(this); OrientationEnable(true); RefreshStatusBar(""); m_bSkipIntroAtStartup = prefs.getBoolean(PreferencesActivity.KEY_SKIP_INTRO_AT_STARTUP, true); Log.v(TAG, "skipintro=" + m_bSkipIntroAtStartup + " introwasdisplayed=" + m_bIntroWasDisplayedAtStartup); StartInstallActivity(); // note: this should be called only after OCR.mConfig.GetSettings(prefs); m_MezzofantiMessageHandler.sendEmptyMessage(R.id.mezzofanti_startCamera); CreateStatusbarButtonsCaptureMode(); if (m_bLineMode) ShowLineModeButtons(true); } catch (Exception ex) { Log.e(TAG, "exception: onCreate():" + ex.toString()); } catch (Throwable t) { Log.e(TAG, "exception: onCreate():" + t.toString()); } } @Override protected void onPostResume() { Log.v(TAG, "onPostResume()"); super.onPostResume(); } @Override public void onDestroy() { StopCamera(); OrientationEnable(false); OCR ocr = OCR.get(); if (ocr != null) ocr.Destructor(); super.onDestroy(); Log.d(TAG, "onDestroy() ENDING."); } @Override protected void onResume() { super.onResume(); Log.v(TAG, "onResume() ----------------------------"); Log.v(TAG, "mconfig lang=" + OCR.mConfig.GetLanguageMore()); // remove ocr results m_bmOCRBitmap = null; System.gc(); RefreshStatusBar(""); m_bSdcardMounted = CheckSDCardState(); // install an intent filter to receive SD card related events. IntentFilter intentFilter = new IntentFilter(Intent.ACTION_MEDIA_MOUNTED); intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED); intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED); intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED); intentFilter.addAction(Intent.ACTION_MEDIA_CHECKING); intentFilter.addAction(Intent.ACTION_MEDIA_EJECT); intentFilter.addDataScheme("file"); registerReceiver(m_brSDcardEvent, intentFilter); m_bDidRegister = true; Log.v(TAG, "onResume() filter to receive SD card related events----------------------------"); // read the new settings, maybe the user changed something in results mode // so we store all the settings data in the local variables SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this); OCR.mConfig.GetSettings(prefs); m_bSkipIntroAtStartup = prefs.getBoolean(PreferencesActivity.KEY_SKIP_INTRO_AT_STARTUP, true); if (m_bSdcardMounted && AssetsManager.IsInstalled()) { OCR.Initialize(); OCR.get().SetLanguage(OCR.mConfig.GetLanguage()); } if (m_bLineMode) CameraManager.SetImgDivisor(2); else CameraManager.SetImgDivisor(OCR.mConfig.GetImgDivisor()); m_MezzofantiMessageHandler.sendEmptyMessage(R.id.mezzofanti_startCamera); // returned in Capture-mode SurfaceView surfaceView = (SurfaceView) findViewById(R.id.mezzofanti_preview_view); SurfaceHolder surfaceHolder = surfaceView.getHolder(); if (m_bHasSurface) { // The activity was paused but not stopped, so the surface still exists. Therefore // surfaceCreated() won't be called, so init the camera here. InitCamera(surfaceHolder); } else { // Install the callback and wait for surfaceCreated() to init the camera. surfaceHolder.addCallback(this); surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } } @Override protected void onPause() { // unregister the sdcard broadcast receiver if (m_bDidRegister) { unregisterReceiver(m_brSDcardEvent); m_bDidRegister = false; } UpdateStorageHint(false); StopCamera(); super.onPause(); } //@Override public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { } //@Override public void surfaceCreated(SurfaceHolder holder) { Log.v(TAG, "surfaceCreated."); if (!m_bHasSurface) { // set the surface holder for the camera's use m_bHasSurface = true; SetCameraSurfaceHolder(holder); m_MezzofantiMessageHandler.sendEmptyMessage(R.id.mezzofanti_startCamera); Log.v(TAG, "Call startCamera."); } } //@Override public void surfaceDestroyed(SurfaceHolder holder) { m_bHasSurface = false; } @Override public void onConfigurationChanged(Configuration newConfig) { // do nothing when keyboard open super.onConfigurationChanged(newConfig); } /* * ---------------------------------------------------------------------------------------- * The preferences menu * ---------------------------------------------------------------------------------------- */ @Override public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsMenu(menu); m_sPreferencesMenu = menu; menu.add(PREFERENCES_GROUP_ID, SETTINGS_ID, 0, R.string.menu_settings) .setIcon(android.R.drawable.ic_menu_preferences); menu.add(PREFERENCES_GROUP_ID, HELP_ID, 0, R.string.menu_help) .setIcon(android.R.drawable.ic_menu_help); menu.add(PREFERENCES_GROUP_ID, FEEDBACK_ID, 0, R.string.menu_feedback) .setIcon(android.R.drawable.ic_menu_send); menu.add(PREFERENCES_GROUP_ID, ABOUT_ID, 0, R.string.menu_about) .setIcon(android.R.drawable.ic_menu_info_details); if (m_bSdcardMounted == false) menu.setGroupVisible(PREFERENCES_GROUP_ID, false); return true; } /** * Show/Hide the Options menu * @param val true=show, false=hide */ private void ShowOptionsMenu(boolean val) { if (m_sPreferencesMenu == null) return; m_sPreferencesMenu.setGroupVisible(PREFERENCES_GROUP_ID, val); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case SETTINGS_ID: { OCR.ReadAvailableLanguages(); StopCamera(); Intent intent = new Intent(Intent.ACTION_VIEW); intent.setClassName(this, PreferencesActivity.class.getName()); startActivity(intent); break; } case HELP_ID: AlertDialog.Builder builderH = new AlertDialog.Builder(this); builderH.setIcon(R.drawable.wizard_48); builderH.setTitle(getString(R.string.preferences_helpTitle)); builderH.setMessage(getString(R.string.preferences_msg_help_step1) + "\n" + getString(R.string.preferences_itwiz_url)); builderH.setNegativeButton(R.string.preferences_button_cancel, null); builderH.show(); break; case FEEDBACK_ID: Intent intent2 = new Intent(Intent.ACTION_SENDTO, Uri.parse("mailto:office@itwizard.ro")); intent2.putExtra("subject", "[MezzofantiFeedback]"); intent2.putExtra("body", ""); startActivity(intent2); break; case ABOUT_ID: AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setIcon(R.drawable.wizard_48); builder.setTitle(getString(R.string.preferences_aboutTitle)); builder.setMessage(getString(R.string.preferences_msg_about) + "\n" + getString(R.string.preferences_itwiz_url)); builder.setPositiveButton(getString(R.string.preferences_button_open_browser), mAboutListener); builder.setNegativeButton(getString(R.string.preferences_button_cancel), null); builder.show(); break; } return super.onOptionsItemSelected(item); } /** * User requests to connect to company website. */ private final DialogInterface.OnClickListener mAboutListener = new DialogInterface.OnClickListener() { public void onClick(android.content.DialogInterface dialogInterface, int i) { Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.preferences_itwiz_url))); startActivity(intent); } }; /* * ---------------------------------------------------------------------------------------- * Camera * ---------------------------------------------------------------------------------------- */ /** * Set the camera surface holder. */ private void SetCameraSurfaceHolder(SurfaceHolder surfaceHolder) { if (surfaceHolder == null || CameraManager.get() == null) return; CameraManager.get().SetSurfaceHolder(surfaceHolder); } /** * Initialize the camera, open the driver. * @param surfaceHolder the local surface holder. */ private void InitCamera(SurfaceHolder surfaceHolder) { if (CameraManager.get() == null) return; m_bPreviewReady = true; CameraManager.get().OpenDriver(surfaceHolder); CameraManager.get().StartPreview(); } /** * Initialize the camera, open the driver (no params), we assume the surface holder was set apriori with SetCameraSurfaceHolder. */ private void InitCamera() { Log.v(TAG, "InitCamera: start"); if (CameraManager.get() == null) return; Log.v(TAG, "InitCamera: OpenDriver"); m_bPreviewReady = true; if (CameraManager.get().OpenDriver()) { Log.v(TAG, "InitCamera: StartPreview"); CameraManager.get().StartPreview(); } Log.v(TAG, "InitCamera: end"); } /** * Stop the camera preview and driver. */ private void StopCamera() { CameraManager.get().StopPreview(); CameraManager.get().CloseDriver(); m_bPreviewReady = false; } /* * ---------------------------------------------------------------------------------------- * Keyboard * ---------------------------------------------------------------------------------------- */ @Override public boolean onKeyDown(int keyCode, KeyEvent event) { getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); switch (keyCode) { case KeyEvent.KEYCODE_FOCUS: { if (event.getRepeatCount() == 0) return RequestCameraFocus(); return true; } case KeyEvent.KEYCODE_CAMERA: { if (event.getRepeatCount() == 0) return RequestCameraTakePicture(); return true; } } return super.onKeyDown(keyCode, event); } /** * Request the camera focus * @return if function call succeeded */ private boolean RequestCameraFocus() { String ss[] = OCR.getLanguagesNative(); if (ss.length == 0) { ShowLanguageMissingAlertDialog(); return false; } if (!m_bSdcardMounted) return false; if (m_bOCRInProgress == true) return false; m_bFocusButtonPressed = true; m_clCapture.DrawFocusIcon(true, m_bHorizontalDisplay); CameraManager.get().RequestCameraFocus(m_MezzofantiMessageHandler); CameraManager.get().RequestAutoFocus(); return true; } /** * Request camera to take the picture * @return if function call succeeded */ private boolean RequestCameraTakePicture() { if (!m_bSdcardMounted) return false; if (m_bOCRInProgress == true) return false; m_bOCRInProgress = true; if (m_bPreviewReady) { m_bHorizDispAtPicTaken = m_bHorizontalDisplay; CompareTime(TAG + "request a picture"); m_clCapture.DrawFocused(false, false); m_clCapture.DrawFocusIcon(false, m_bHorizontalDisplay); CameraManager.get().RequestPicture(m_MezzofantiMessageHandler); CameraManager.get().GetPicture(); if (m_bLineMode) m_clCapture.ShowWaiting(getString(R.string.mezzofanti_capturelayout_takingpicture)); return true; } return false; } @Override public boolean onKeyUp(int keyCode, KeyEvent event) { switch (keyCode) { case KeyEvent.KEYCODE_FOCUS: m_bFocusButtonPressed = false; m_clCapture.DrawFocusIcon(false, m_bHorizontalDisplay); m_clCapture.DrawFocused(false, false); return true; } return super.onKeyUp(keyCode, event); } public void onClick(View arg0) { } /* * ---------------------------------------------------------------------------------------------------- * OCR Thread * ---------------------------------------------------------------------------------------------------- */ /** * Show a progress bar and start the OCR thread. * @param bm the bitmap to be OCR-ized. */ public void DoOCRJob(Bitmap bm) { m_bmOCRBitmap = bm; if (bm == null) return; if (!m_bLineMode) { m_pdOCRInProgress = ProgressDialog.show(this, this.getString(R.string.mezzofanti_ocr_processing_title), this.getString(R.string.mezzofanti_ocr_processing_body_begin) +" "+ OCR.mConfig.GetLanguageMore() + " " + this.getString(R.string.mezzofanti_ocr_processing_body_end), true, true); m_pdOCRInProgress.setOnCancelListener( new OnCancelListener() { public void onCancel(DialogInterface dialog) { android.os.Process.killProcess(android.os.Process.myPid()); } }); } else { m_clCapture.ShowWaiting(getString(R.string.mezzofanti_capturelayout_processing) + " " + OCR.mConfig.GetLanguageMore() + " " + getString(R.string.mezzofanti_capturelayout_processing2)); } Thread theOCRthread = new Thread(this); theOCRthread.start(); } /** * start the OCR thread */ public void run() { CompareTime(TAG + "STARTING ocr processing"); // called by the OCR thread int iPicWidth = m_bmOCRBitmap.getWidth(); int iPicHeight = m_bmOCRBitmap.getHeight(); int[] iImage = null; try { iImage = new int[iPicWidth * iPicHeight]; Log.v(TAG, "allocated img buffer: " +iPicWidth + ", "+iPicHeight); m_bmOCRBitmap.getPixels(iImage, 0, iPicWidth, 0, 0, iPicWidth, iPicHeight); Log.v(TAG, "pix1="+Integer.toHexString(iImage[0])); } catch (Exception ex) { Log.v(TAG, "exception: run():" + ex.toString()); m_bmOCRBitmap = null; System.gc(); } if (iImage != null) { String m_sOCRResult = OCR.get().ImgOCRAndFilter(iImage, iPicWidth, iPicHeight, m_bHorizDispAtPicTaken, m_bLineMode); Log.v(TAG, "ocr done text= [" + m_sOCRResult +"]"); // force free the mem iImage = null; m_bmOCRBitmap = null; System.gc(); // bad results, get the (internal) image OCR.get().SaveMeanConfidence(); Log.v(TAG, "starting results handler"); } else { System.gc(); m_bOCRInProgress = false; m_MezzofantiMessageHandler.sendEmptyMessage(R.id.mezzofanti_restartCaptureMode); return; } m_MezzofantiMessageHandler.sendEmptyMessage(R.id.mezzofanti_ocrFinished); Log.i(TAG, "pcjpg - finish startPreview()"); CompareTime(TAG + "finished the ocr processing"); } /* * ---------------------------------------------------------------------------------------------------- * Events Handler * ---------------------------------------------------------------------------------------------------- */ private Handler m_MezzofantiMessageHandler = new Handler() { @Override public void handleMessage(Message msg) { switch(msg.what) { // --------------------------------------------------------------- case R.id.installactivity_killApp: Log.v(TAG, "Killed by installer."); android.os.Process.killProcess(android.os.Process.myPid()); break; // --------------------------------------------------------------- case R.id.mezzofanti_restartCaptureMode: // we had a problem in the OCR thread, so we get back to capture mode // (mainly this is due to OutOfMemory exceptions) m_bmOCRBitmap = null; System.gc(); if (m_bLineMode) m_clCapture.ShowWaiting(""); else m_pdOCRInProgress.dismiss(); break; // --------------------------------------------------------------- case R.id.mezzofanti_startCamera: InitCamera(); if (!m_bSdcardMounted) UpdateStorageHint(true); break; // --------------------------------------------------------------- case R.id.cameramanager_requestpicture: Log.v(TAG, "handleMessage() R.id.decode"); CompareTime(TAG + "in handler, just received the picture"); // do ocr Bitmap mBitmap = null; try { // save the file on disk FileOutputStream fs = new FileOutputStream(RESULTS_PATH + "img.jpg"); fs.write((byte[])msg.obj, 0, ((byte[]) msg.obj).length); fs.close(); mBitmap = BitmapFactory.decodeByteArray((byte[]) msg.obj, 0, ((byte[]) msg.obj).length); msg.obj = null; System.gc(); Log.v(TAG, "w="+mBitmap.getWidth() + " h="+mBitmap.getHeight()); if (m_bLineMode) // we crop just the image of interest mBitmap = Bitmap.createBitmap(mBitmap, 256, 768/2-30, 512, 60, null, false); // otherwise, we use all image } catch (Throwable th) { Log.v(TAG, "exception: handler-cmrequestpic: "+ th.toString()); m_bOCRInProgress = false; if (m_bLineMode) m_clCapture.ShowWaiting(""); else m_MezzofantiMessageHandler.sendEmptyMessage(R.id.mezzofanti_restartCaptureMode); break; } CompareTime(TAG + "starting the thread"); OCR.Initialize(); OCR.get().SetLanguage(OCR.mConfig.GetLanguage()); DoOCRJob(mBitmap); break; // --------------------------------------------------------------- case R.id.mezzofanti_ocrFinished: m_bOCRInProgress = false; if (!m_bLineMode) { m_pdOCRInProgress.dismiss(); System.gc(); StopCamera(); StartResultsActivity(); } else { Log.v(TAG, "before processing results"); String padding = " "; if (m_sOCRResultLineMode.length() == 0) padding = ""; String s = OCR.m_ssOCRResult.toString().replaceAll("[\r\n]+", ""); while (s.length()>0 && s.charAt(0) == ' ') s = s.substring(1); while (s.length()>0 && s.charAt(s.length()-1) == ' ') s = s.substring(0, s.length()-1); m_sOCRResultLineMode = m_sOCRResultLineMode.concat(padding + s); m_clCapture.ShowWaiting(""); m_clCapture.SetText(m_sOCRResultLineMode); } OCR.get().OCRClean(); break; // --------------------------------------------------------------- case R.id.cameramanager_focus_succeded: if (!m_bFocusButtonPressed) return; m_clCapture.DrawFocused(true, true); PlaySoundOnFocus(); if (m_bScreenRequestPicture) RequestCameraTakePicture(); m_bScreenRequestPicture = false; break; // --------------------------------------------------------------- case R.id.cameramanager_focus_failed: if (!m_bFocusButtonPressed) return; m_clCapture.DrawFocused(true, false); Vibrate(); m_bScreenRequestPicture = false; break; default: break; } super.handleMessage(msg); } }; private void ShowLanguageMissingAlertDialog() { AlertDialog.Builder builderH = new AlertDialog.Builder(this); builderH.setIcon(R.drawable.alert32); builderH.setTitle(getString(R.string.mezzofanti_nolanginstalled_title)); builderH.setMessage(getString(R.string.mezzofanti_nolanginstalled_body)); builderH.setPositiveButton(R.string.mezzofanti_nolanginstalled_ok, null); builderH.show(); } /* * ---------------------------------------------------------------------------------------- * Starting the activities * ---------------------------------------------------------------------------------------- */ /** * Starts the results activity */ private void StartResultsActivity() { if (m_bSdcardMounted) { Intent intent = new Intent(Intent.ACTION_VIEW); Bundle bun = new Bundle(); // if not in line-mode, the activity will get the results directly from the OCR results bun.putString("LineModeText", m_sOCRResultLineMode); bun.putBoolean("bLineMode", m_bLineMode); intent.putExtras(bun); intent.setClassName(this, ResultsActivity.class.getName()); startActivity(intent); } } /** * Start the InstallActivity if possible and needed. */ private void StartInstallActivity() { if (m_bSdcardMounted && ( AssetsManager.IsInstalled()==false || (m_bSkipIntroAtStartup==false && !m_bIntroWasDisplayedAtStartup) ) ) { // install the languages if needed, create directory structure (one time) Intent intent = new Intent(Intent.ACTION_VIEW); InstallActivity.SetParentMessageHandler(m_MezzofantiMessageHandler); intent.setClassName(this, InstallActivity.class.getName()); startActivity(intent); m_bIntroWasDisplayedAtStartup = true; // only "true" at startup } } /* * ---------------------------------------------------------------------------------------- * SDCard functions * ---------------------------------------------------------------------------------------- */ /** * Displays the sdcard-state message. * @param show true=display, false=remove */ private void UpdateStorageHint(boolean show) { String state = Environment.getExternalStorageState(); int resID = 0; if (state == Environment.MEDIA_CHECKING) resID = R.string.mezzofanti_sdcard_preparing; else resID = R.string.mezzofanti_sdcard_unmount; if (show) { if (m_oshStorageHint == null) { m_oshStorageHint = OnScreenHint.makeText(this, resID); } else { m_oshStorageHint.setText(resID); } m_oshStorageHint.show(); } else if (m_oshStorageHint != null) { m_oshStorageHint.cancel(); m_oshStorageHint = null; } } /** * The sdcard event for the broadcast receiver */ private final BroadcastReceiver m_brSDcardEvent = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); Log.v(TAG,"SD card activity received"); if (action.equals(Intent.ACTION_MEDIA_MOUNTED)) { // SD card available // activate mezzofanti m_bSdcardMounted = true; ShowOptionsMenu(true); StartInstallActivity(); OCR.Initialize(); OCR.get().SetLanguage(OCR.mConfig.GetLanguage()); } else if (action.equals(Intent.ACTION_MEDIA_UNMOUNTED) || action.equals(Intent.ACTION_MEDIA_CHECKING)) { // SD card unavailable UpdateStorageHint(true); m_bSdcardMounted = false; ShowOptionsMenu(false); } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_STARTED)) { UpdateStorageHint(false); Toast.makeText(Mezzofanti.this, R.string.mezzofanti_sdcard_wait, 5000); } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_FINISHED)) { UpdateStorageHint(false); } } }; /** * Get the SDCard state from the Environment. */ public static boolean CheckSDCardState() { boolean ret = true; String sdcardState = Environment.getExternalStorageState(); if (sdcardState.compareTo(Environment.MEDIA_MOUNTED) != 0) { Log.v(TAG, "error: sdcard not mounted! [" + sdcardState + "]"); ret = false; } return ret; } /* * ---------------------------------------------------------------------------------------- * Orientation listner * ---------------------------------------------------------------------------------------- */ /** * Creates the orientation listner, in order to check for vertical/horizontal picture capture. */ private void CreateOrientationListener(Context context) { m_OEListener = new OrientationEventListener (context, SensorManager.SENSOR_DELAY_UI) { public void onOrientationChanged (int orientation) { if (m_bSdcardMounted == false) return; String val = ""; if ((orientation >= 0 && orientation <= 10 ) || (orientation >= 350 && orientation <= 360 )) { val = getString(R.string.mezzofanti_status_bar_vertical) + " (" + orientation + ")"; if (m_bHorizontalDisplay) { m_bHorizontalDisplay = false; } } else { if (orientation >= 260 && orientation <= 280 ) { val = getString(R.string.mezzofanti_status_bar_horizontal) +" (" + orientation + ")"; if (!m_bHorizontalDisplay) { m_bHorizontalDisplay = true; } } else if (orientation == -1) { val = getString(R.string.mezzofanti_status_bar_updown); } else { val = "" + orientation; } } Log.v(val, val); } // end public void onOrientationChanged (int orientation) }; // end mListener = new ... } /** * Enable/disable orientation listener. * @param enable true/false */ public void OrientationEnable(boolean enable) { if (m_OEListener==null) return; if (enable) m_OEListener.enable(); else m_OEListener.disable(); } /* * ---------------------------------------------------------------------------------------- * Aux functions * ---------------------------------------------------------------------------------------- */ /** * Capture-mode: Refresh the bottom status bar. * @param angle the orientation angle. */ private void RefreshStatusBar(String angle) { TextView tbox = (TextView) findViewById(R.id.mezzofanti_status_text_view); if (!m_bLineMode) { tbox.setText(" << " + getString(R.string.mezzofanti_capturemode_statustext_switchtosmall) ); } else { tbox.setText(" << " + getString(R.string.mezzofanti_capturemode_statustext_switchtolarge) + "\n" + "\t\t\t\t\t\t\t\t"+ getString(R.string.mezzofanti_capturemode_statustext_switchtolarge2) + " >>" + " "); } } /** * Play a predefined sound, when camera focused. */ private void PlaySoundOnFocus() { ToneGenerator tg = new ToneGenerator(AudioManager.STREAM_SYSTEM, 100); tg.startTone(ToneGenerator.TONE_PROP_BEEP2); } /** * Vibrate mobile, when camera not-focused. */ private void Vibrate() { Vibrator vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE); vibrator.vibrate(200); } private static long m_lTime = 0; public static void CompareTime(String status) { long prevtime = m_lTime; Calendar now = Calendar.getInstance(); long currenttime=now.getTimeInMillis(); Log.v(TAG, "---------------------"); Log.v(TAG, "Status: "+status); Log.v(TAG, "Compare prev="+m_lTime + " to current=" + currenttime + " diff=" + (currenttime-prevtime)); Log.v(TAG, "---------------------"); m_lTime = currenttime; } /** * Adds the 3 buttons needed in small-capture-mode */ private void CreateStatusbarButtonsCaptureMode() { // create the status bar buttons m_btSwitch = (CustomImageButton) findViewById(R.id.mezzofanti_button_switch); m_btDelOne = (CustomImageButton) findViewById(R.id.mezzofanti_button_delone); m_btGotoResults = (CustomImageButton) findViewById(R.id.mezzofanti_button_gotoresults); m_btDelOne.SetImage(R.drawable.delone_32, 0, 0); m_btGotoResults.SetImage(R.drawable.gotoresults_32, 0, 0); m_btSwitch.setOnClickListener(new OnClickListener() { public void onClick(View clickedView) { Log.v(TAG, "switch button: onClick line_mode = " + m_bLineMode); m_bLineMode = !m_bLineMode; m_clCapture.SetLineMode(m_bLineMode); RefreshStatusBar(""); if (m_bLineMode) { CameraManager.SetImgDivisor(2); CameraManager.get().SetCameraParameters(); ShowLineModeButtons(true); } else { CameraManager.SetImgDivisor(OCR.mConfig.GetImgDivisor()); CameraManager.get().SetCameraParameters(); ShowLineModeButtons(false); m_sOCRResultLineMode = ""; m_clCapture.SetText(""); } } }); m_btDelOne.setOnClickListener(new OnClickListener() { public void onClick(View clickedView) { Log.v(TAG, "m_btDelOne: onClick line_mode = " + m_bLineMode); int iLastSpace = m_sOCRResultLineMode.lastIndexOf(' '); if (iLastSpace <= 0) m_sOCRResultLineMode = ""; else m_sOCRResultLineMode = m_sOCRResultLineMode.substring(0, iLastSpace); m_clCapture.SetText(m_sOCRResultLineMode); } }); m_btGotoResults.setOnClickListener(new OnClickListener() { public void onClick(View clickedView) { Log.v(TAG, "m_btGotoResults: onClick line_mode = " + m_bLineMode); StartResultsActivity(); System.gc(); } }); } /** * Show/hide the small-capture-mode buttons * @param val show/hide */ private void ShowLineModeButtons(boolean val) { if (val) { m_btDelOne.setVisibility(View.VISIBLE); m_btGotoResults.setVisibility(View.VISIBLE); } else { m_btDelOne.setVisibility(View.GONE); m_btGotoResults.setVisibility(View.GONE); } m_clCapture.invalidate(); } } // end class Mezzofanti