ScannerActivity (IScan - The Indian Scanner App || Source Documentation)

java.lang.Object
- android.content.Context
- - android.content.ContextWrapper
  - - android.view.ContextThemeWrapper
    - - android.app.Activity
      - androidx.core.app.ComponentActivity
        
        androidx.activity.ComponentActivity
        
        androidx.fragment.app.FragmentActivity
        
        androidx.appcompat.app.AppCompatActivity
        
        com.nalinstudios.iscan.ScannerActivity

All Implemented Interfaces:

android.content.ComponentCallbacks, android.content.ComponentCallbacks2, android.view.KeyEvent.Callback, android.view.LayoutInflater.Factory, android.view.LayoutInflater.Factory2, android.view.TextureView.SurfaceTextureListener, android.view.View.OnClickListener, android.view.View.OnCreateContextMenuListener, android.view.Window.Callback, androidx.activity.OnBackPressedDispatcherOwner, androidx.appcompat.app.ActionBarDrawerToggle.DelegateProvider, androidx.appcompat.app.AppCompatCallback, androidx.core.app.ActivityCompat.OnRequestPermissionsResultCallback, androidx.core.app.ActivityCompat.RequestPermissionsRequestCodeValidator, androidx.core.app.TaskStackBuilder.SupportParentable, androidx.core.view.KeyEventDispatcher.Component, androidx.lifecycle.HasDefaultViewModelProviderFactory, androidx.lifecycle.LifecycleOwner, androidx.lifecycle.ViewModelStoreOwner, androidx.savedstate.SavedStateRegistryOwner
```
public class ScannerActivity
extends androidx.appcompat.app.AppCompatActivity
implements android.view.TextureView.SurfaceTextureListener, android.view.View.OnClickListener
```
This activity is the window where the user will scan the documents.

Author:

Nalin Angrish.

Nested Class Summary
- Nested classes/interfaces inherited from class androidx.core.app.ComponentActivity
  androidx.core.app.ComponentActivity.ExtraData

Field Summary

Fields
Modifier and Type	Field and Description
`(package private) android.hardware.Camera`	`camera` The camera variable which will be used to capture pictures
`(package private) com.google.android.material.floatingactionbutton.FloatingActionButton`	`clickB` The FABs that will be used to handle 'picture clicks', 'submissions', and the creation of 'settings popups'
`(package private) int`	`count` A variable to manage the counts
`(package private) android.widget.TextView`	`countView` The TextView to show the count of the pictures captured
`(package private) android.app.Fragment`	`currentFragment` A reference to the current fragment initialized
`(package private) java.io.File`	`dir` The directory of the current session
`(package private) boolean`	`flash` A variable to remember that whether the flash is on or not
`(package private) java.util.ArrayList<android.net.Uri>`	`images` A list of Uris of the pictures taken
`(package private) com.google.android.material.floatingactionbutton.FloatingActionButton`	`nextB` The FABs that will be used to handle 'picture clicks', 'submissions', and the creation of 'settings popups'
`(package private) com.google.android.material.floatingactionbutton.FloatingActionButton`	`settingsB` The FABs that will be used to handle 'picture clicks', 'submissions', and the creation of 'settings popups'
`(package private) android.view.TextureView`	`texture` The texture to render the frames captured by the camera
`(package private) ZoomHandler`	`zoomHandler` A handler for zooming actions

Fields inherited from class android.app.Activity
DEFAULT_KEYS_DIALER, DEFAULT_KEYS_DISABLE, DEFAULT_KEYS_SEARCH_GLOBAL, DEFAULT_KEYS_SEARCH_LOCAL, DEFAULT_KEYS_SHORTCUT, FOCUSED_STATE_SET, RESULT_CANCELED, RESULT_FIRST_USER, RESULT_OK

Fields inherited from class android.content.Context
ACCESSIBILITY_SERVICE, ACCOUNT_SERVICE, ACTIVITY_SERVICE, ALARM_SERVICE, APP_OPS_SERVICE, APPWIDGET_SERVICE, AUDIO_SERVICE, BATTERY_SERVICE, BIND_ABOVE_CLIENT, BIND_ADJUST_WITH_ACTIVITY, BIND_ALLOW_OOM_MANAGEMENT, BIND_AUTO_CREATE, BIND_DEBUG_UNBIND, BIND_EXTERNAL_SERVICE, BIND_IMPORTANT, BIND_INCLUDE_CAPABILITIES, BIND_NOT_FOREGROUND, BIND_NOT_PERCEPTIBLE, BIND_WAIVE_PRIORITY, BIOMETRIC_SERVICE, BLUETOOTH_SERVICE, CAMERA_SERVICE, CAPTIONING_SERVICE, CARRIER_CONFIG_SERVICE, CLIPBOARD_SERVICE, COMPANION_DEVICE_SERVICE, CONNECTIVITY_SERVICE, CONSUMER_IR_SERVICE, CONTEXT_IGNORE_SECURITY, CONTEXT_INCLUDE_CODE, CONTEXT_RESTRICTED, CROSS_PROFILE_APPS_SERVICE, DEVICE_POLICY_SERVICE, DISPLAY_SERVICE, DOWNLOAD_SERVICE, DROPBOX_SERVICE, EUICC_SERVICE, FINGERPRINT_SERVICE, HARDWARE_PROPERTIES_SERVICE, INPUT_METHOD_SERVICE, INPUT_SERVICE, IPSEC_SERVICE, JOB_SCHEDULER_SERVICE, KEYGUARD_SERVICE, LAUNCHER_APPS_SERVICE, LAYOUT_INFLATER_SERVICE, LOCATION_SERVICE, MEDIA_PROJECTION_SERVICE, MEDIA_ROUTER_SERVICE, MEDIA_SESSION_SERVICE, MIDI_SERVICE, MODE_APPEND, MODE_ENABLE_WRITE_AHEAD_LOGGING, MODE_MULTI_PROCESS, MODE_NO_LOCALIZED_COLLATORS, MODE_PRIVATE, MODE_WORLD_READABLE, MODE_WORLD_WRITEABLE, NETWORK_STATS_SERVICE, NFC_SERVICE, NOTIFICATION_SERVICE, NSD_SERVICE, POWER_SERVICE, PRINT_SERVICE, RECEIVER_VISIBLE_TO_INSTANT_APPS, RESTRICTIONS_SERVICE, ROLE_SERVICE, SEARCH_SERVICE, SENSOR_SERVICE, SHORTCUT_SERVICE, STORAGE_SERVICE, STORAGE_STATS_SERVICE, SYSTEM_HEALTH_SERVICE, TELECOM_SERVICE, TELEPHONY_SERVICE, TELEPHONY_SUBSCRIPTION_SERVICE, TEXT_CLASSIFICATION_SERVICE, TEXT_SERVICES_MANAGER_SERVICE, TV_INPUT_SERVICE, UI_MODE_SERVICE, USAGE_STATS_SERVICE, USB_SERVICE, USER_SERVICE, VIBRATOR_SERVICE, WALLPAPER_SERVICE, WIFI_AWARE_SERVICE, WIFI_P2P_SERVICE, WIFI_RTT_RANGING_SERVICE, WIFI_SERVICE, WINDOW_SERVICE

Fields inherited from interface android.content.ComponentCallbacks2
TRIM_MEMORY_BACKGROUND, TRIM_MEMORY_COMPLETE, TRIM_MEMORY_MODERATE, TRIM_MEMORY_RUNNING_CRITICAL, TRIM_MEMORY_RUNNING_LOW, TRIM_MEMORY_RUNNING_MODERATE, TRIM_MEMORY_UI_HIDDEN

Constructor Summary

Constructors
Constructor and Description

ScannerActivity()

Constructors
Constructor and Description
`ScannerActivity()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`protected void`	`click()` A function to handle the click of a picture.
`protected void`	`createSettingsPopup()` A function to create the popup for changing the settings.
`protected int`	`getRotation()` A function to get the camera's rotation based on the manufacturer as different manufacturers assemble cameras with different orientation
`void`	`onBackPressed()` A function to handle back key presses.
`void`	`onClick(android.view.View view)` The function to handle the clicks of all the buttons.
`protected void`	`onCreate(android.os.Bundle savedInstanceState)` The main method which will show our textures and will administer the window.
`protected void`	`onResume()` A function mainly intended to refresh the screen count and hide the next-button when the user returns from the EditViewActivity ( hide if all pictures have been deleted by the user )
`void`	`onScanFinish()` A function to get notified when the corners are selected and the final image after cropping is available
`void`	`onSurfaceTextureAvailable(android.graphics.SurfaceTexture surface, int width, int height)` The function to handle the texture rendering and to enable the camera.
`boolean`	`onSurfaceTextureDestroyed(android.graphics.SurfaceTexture surface)` Blank function
`void`	`onSurfaceTextureSizeChanged(android.graphics.SurfaceTexture surface, int width, int height)` Blank function.
`void`	`onSurfaceTextureUpdated(android.graphics.SurfaceTexture surface)` Blank function.
`protected void`	`rotateImage(java.io.File bmpfile)` A function to rotate the image according to the camera orientation received by EXIF
`void`	`startScan(java.io.File m)` A function to create the window to crop the image
`protected void`	`submit()` A function to handle the click of the submit button.

Methods inherited from class androidx.appcompat.app.AppCompatActivity
addContentView, attachBaseContext, closeOptionsMenu, dispatchKeyEvent, findViewById, getDelegate, getDrawerToggleDelegate, getMenuInflater, getResources, getSupportActionBar, getSupportParentActivityIntent, invalidateOptionsMenu, onConfigurationChanged, onContentChanged, onCreateSupportNavigateUpTaskStack, onDestroy, onKeyDown, onMenuItemSelected, onMenuOpened, onNightModeChanged, onPanelClosed, onPostCreate, onPostResume, onPrepareSupportNavigateUpTaskStack, onSaveInstanceState, onStart, onStop, onSupportActionModeFinished, onSupportActionModeStarted, onSupportContentChanged, onSupportNavigateUp, onTitleChanged, onWindowStartingSupportActionMode, openOptionsMenu, setContentView, setContentView, setContentView, setSupportActionBar, setSupportProgress, setSupportProgressBarIndeterminate, setSupportProgressBarIndeterminateVisibility, setSupportProgressBarVisibility, setTheme, startSupportActionMode, supportInvalidateOptionsMenu, supportNavigateUpTo, supportRequestWindowFeature, supportShouldUpRecreateTask

Methods inherited from class androidx.fragment.app.FragmentActivity
dump, getSupportFragmentManager, getSupportLoaderManager, onActivityResult, onAttachFragment, onCreatePanelMenu, onCreateView, onCreateView, onLowMemory, onMultiWindowModeChanged, onNewIntent, onPause, onPictureInPictureModeChanged, onPrepareOptionsPanel, onPreparePanel, onRequestPermissionsResult, onResumeFragments, onStateNotSaved, setEnterSharedElementCallback, setExitSharedElementCallback, startActivityForResult, startActivityForResult, startActivityFromFragment, startActivityFromFragment, startIntentSenderForResult, startIntentSenderForResult, startIntentSenderFromFragment, supportFinishAfterTransition, supportPostponeEnterTransition, supportStartPostponedEnterTransition, validateRequestPermissionsRequestCode

Methods inherited from class androidx.activity.ComponentActivity
getDefaultViewModelProviderFactory, getLastCustomNonConfigurationInstance, getLifecycle, getOnBackPressedDispatcher, getSavedStateRegistry, getViewModelStore, onRetainCustomNonConfigurationInstance, onRetainNonConfigurationInstance

Methods inherited from class androidx.core.app.ComponentActivity
dispatchKeyShortcutEvent, getExtraData, putExtraData, superDispatchKeyEvent

Methods inherited from class android.app.Activity
closeContextMenu, createPendingResult, dismissDialog, dismissKeyboardShortcutsHelper, dispatchGenericMotionEvent, dispatchPopulateAccessibilityEvent, dispatchTouchEvent, dispatchTrackballEvent, enterPictureInPictureMode, enterPictureInPictureMode, finish, finishActivity, finishActivityFromChild, finishAffinity, finishAfterTransition, finishAndRemoveTask, finishFromChild, getActionBar, getApplication, getCallingActivity, getCallingPackage, getChangingConfigurations, getComponentName, getContentScene, getContentTransitionManager, getCurrentFocus, getFragmentManager, getIntent, getLastNonConfigurationInstance, getLayoutInflater, getLoaderManager, getLocalClassName, getMaxNumPictureInPictureActions, getMediaController, getParent, getParentActivityIntent, getPreferences, getReferrer, getRequestedOrientation, getSearchEvent, getSystemService, getTaskId, getTitle, getTitleColor, getVoiceInteractor, getVolumeControlStream, getWindow, getWindowManager, hasWindowFocus, isActivityTransitionRunning, isChangingConfigurations, isChild, isDestroyed, isFinishing, isImmersive, isInMultiWindowMode, isInPictureInPictureMode, isLocalVoiceInteractionSupported, isTaskRoot, isVoiceInteraction, isVoiceInteractionRoot, managedQuery, moveTaskToBack, navigateUpTo, navigateUpToFromChild, onActionModeFinished, onActionModeStarted, onActivityReenter, onApplyThemeResource, onAttachedToWindow, onAttachFragment, onChildTitleChanged, onContextItemSelected, onContextMenuClosed, onCreate, onCreateContextMenu, onCreateDescription, onCreateDialog, onCreateDialog, onCreateNavigateUpTaskStack, onCreateOptionsMenu, onCreatePanelView, onCreateThumbnail, onDetachedFromWindow, onEnterAnimationComplete, onGenericMotionEvent, onGetDirectActions, onKeyLongPress, onKeyMultiple, onKeyShortcut, onKeyUp, onLocalVoiceInteractionStarted, onLocalVoiceInteractionStopped, onMultiWindowModeChanged, onNavigateUp, onNavigateUpFromChild, onOptionsItemSelected, onOptionsMenuClosed, onPerformDirectAction, onPictureInPictureModeChanged, onPostCreate, onPrepareDialog, onPrepareDialog, onPrepareNavigateUpTaskStack, onPrepareOptionsMenu, onProvideAssistContent, onProvideAssistData, onProvideKeyboardShortcuts, onProvideReferrer, onRestart, onRestoreInstanceState, onRestoreInstanceState, onSaveInstanceState, onSearchRequested, onSearchRequested, onTopResumedActivityChanged, onTouchEvent, onTrackballEvent, onTrimMemory, onUserInteraction, onUserLeaveHint, onVisibleBehindCanceled, onWindowAttributesChanged, onWindowFocusChanged, onWindowStartingActionMode, onWindowStartingActionMode, openContextMenu, overridePendingTransition, postponeEnterTransition, recreate, registerActivityLifecycleCallbacks, registerForContextMenu, releaseInstance, removeDialog, reportFullyDrawn, requestDragAndDropPermissions, requestPermissions, requestShowKeyboardShortcuts, requestVisibleBehind, requestWindowFeature, requireViewById, runOnUiThread, setActionBar, setContentTransitionManager, setDefaultKeyMode, setEnterSharedElementCallback, setExitSharedElementCallback, setFeatureDrawable, setFeatureDrawableAlpha, setFeatureDrawableResource, setFeatureDrawableUri, setFinishOnTouchOutside, setImmersive, setInheritShowWhenLocked, setIntent, setMediaController, setPictureInPictureParams, setProgress, setProgressBarIndeterminate, setProgressBarIndeterminateVisibility, setProgressBarVisibility, setRequestedOrientation, setResult, setResult, setSecondaryProgress, setShowWhenLocked, setTaskDescription, setTitle, setTitle, setTitleColor, setTurnScreenOn, setVisible, setVolumeControlStream, setVrModeEnabled, shouldShowRequestPermissionRationale, shouldUpRecreateTask, showAssist, showDialog, showDialog, showLockTaskEscapeMessage, startActionMode, startActionMode, startActivities, startActivities, startActivity, startActivity, startActivityFromChild, startActivityFromChild, startActivityFromFragment, startActivityFromFragment, startActivityIfNeeded, startActivityIfNeeded, startIntentSender, startIntentSender, startIntentSenderFromChild, startIntentSenderFromChild, startLocalVoiceInteraction, startLockTask, startManagingCursor, startNextMatchingActivity, startNextMatchingActivity, startPostponedEnterTransition, startSearch, stopLocalVoiceInteraction, stopLockTask, stopManagingCursor, takeKeyEvents, triggerSearch, unregisterActivityLifecycleCallbacks, unregisterForContextMenu

Methods inherited from class android.view.ContextThemeWrapper
applyOverrideConfiguration, getAssets, getTheme, setTheme

Methods inherited from class android.content.ContextWrapper
bindIsolatedService, bindService, bindService, checkCallingOrSelfPermission, checkCallingOrSelfUriPermission, checkCallingPermission, checkCallingUriPermission, checkPermission, checkSelfPermission, checkUriPermission, checkUriPermission, clearWallpaper, createConfigurationContext, createContextForSplit, createDeviceProtectedStorageContext, createDisplayContext, createPackageContext, databaseList, deleteDatabase, deleteFile, deleteSharedPreferences, enforceCallingOrSelfPermission, enforceCallingOrSelfUriPermission, enforceCallingPermission, enforceCallingUriPermission, enforcePermission, enforceUriPermission, enforceUriPermission, fileList, getApplicationContext, getApplicationInfo, getBaseContext, getCacheDir, getClassLoader, getCodeCacheDir, getContentResolver, getDatabasePath, getDataDir, getDir, getExternalCacheDir, getExternalCacheDirs, getExternalFilesDir, getExternalFilesDirs, getExternalMediaDirs, getFilesDir, getFileStreamPath, getMainExecutor, getMainLooper, getNoBackupFilesDir, getObbDir, getObbDirs, getOpPackageName, getPackageCodePath, getPackageManager, getPackageName, getPackageResourcePath, getSharedPreferences, getSystemServiceName, getWallpaper, getWallpaperDesiredMinimumHeight, getWallpaperDesiredMinimumWidth, grantUriPermission, isDeviceProtectedStorage, isRestricted, moveDatabaseFrom, moveSharedPreferencesFrom, openFileInput, openFileOutput, openOrCreateDatabase, openOrCreateDatabase, peekWallpaper, registerReceiver, registerReceiver, registerReceiver, registerReceiver, removeStickyBroadcast, removeStickyBroadcastAsUser, revokeUriPermission, revokeUriPermission, sendBroadcast, sendBroadcast, sendBroadcastAsUser, sendBroadcastAsUser, sendOrderedBroadcast, sendOrderedBroadcast, sendOrderedBroadcastAsUser, sendStickyBroadcast, sendStickyBroadcastAsUser, sendStickyOrderedBroadcast, sendStickyOrderedBroadcastAsUser, setWallpaper, setWallpaper, startForegroundService, startInstrumentation, startService, stopService, unbindService, unregisterReceiver, updateServiceGroup

Methods inherited from class android.content.Context
getColor, getColorStateList, getDrawable, getString, getString, getSystemService, getText, obtainStyledAttributes, obtainStyledAttributes, obtainStyledAttributes, obtainStyledAttributes, registerComponentCallbacks, unregisterComponentCallbacks

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface android.view.Window.Callback
onPointerCaptureChanged

- Field Detail
  - camera
```
android.hardware.Camera camera
```
    The camera variable which will be used to capture pictures
  - clickB
```
com.google.android.material.floatingactionbutton.FloatingActionButton clickB
```
    The FABs that will be used to handle 'picture clicks', 'submissions', and the creation of 'settings popups'
  - count
```
int count
```
    A variable to manage the counts
  - countView
```
android.widget.TextView countView
```
    The TextView to show the count of the pictures captured
  - currentFragment
```
android.app.Fragment currentFragment
```
    A reference to the current fragment initialized
  - dir
```
java.io.File dir
```
    The directory of the current session
  - flash
```
boolean flash
```
    A variable to remember that whether the flash is on or not
  - images
```
java.util.ArrayList<android.net.Uri> images
```
    A list of Uris of the pictures taken
  - nextB
```
com.google.android.material.floatingactionbutton.FloatingActionButton nextB
```
    The FABs that will be used to handle 'picture clicks', 'submissions', and the creation of 'settings popups'
  - settingsB
```
com.google.android.material.floatingactionbutton.FloatingActionButton settingsB
```
    The FABs that will be used to handle 'picture clicks', 'submissions', and the creation of 'settings popups'
  - texture
```
android.view.TextureView texture
```
    The texture to render the frames captured by the camera
  - zoomHandler
```
ZoomHandler zoomHandler
```
    A handler for zooming actions
- Constructor Detail
  - ScannerActivity
```
public ScannerActivity()
```
- Method Detail
  - click
```
protected void click()
```
    A function to handle the click of a picture.
  - createSettingsPopup
```
protected void createSettingsPopup()
```
    A function to create the popup for changing the settings. (Note that only flash is supported as yet.)
  - getRotation
```
protected int getRotation()
```
    A function to get the camera's rotation based on the manufacturer as different manufacturers assemble cameras with different orientation
    
    Returns:
    
    the degrees to rotate the image
  - onBackPressed
```
public void onBackPressed()
```
    A function to handle back key presses. It shows an alert dialog to the user to warn him that the pictures clicked till now will be deleted.
    
    Overrides:
    
    onBackPressed in class androidx.activity.ComponentActivity
  - onClick
```
public void onClick(android.view.View view)
```
    The function to handle the clicks of all the buttons.
    
    Specified by:
    
    onClick in interface android.view.View.OnClickListener
    
    Parameters:
    
    view - the view object of the pressed button.
  - onCreate
```
protected void onCreate(android.os.Bundle savedInstanceState)
```
    The main method which will show our textures and will administer the window.
    
    Overrides:
    
    onCreate in class androidx.appcompat.app.AppCompatActivity
    
    Parameters:
    
    savedInstanceState - The state of the saved instance. This state is not used.
  - onResume
```
protected void onResume()
```
    A function mainly intended to refresh the screen count and hide the next-button when the user returns from the EditViewActivity ( hide if all pictures have been deleted by the user )
    
    Overrides:
    
    onResume in class androidx.fragment.app.FragmentActivity
  - onScanFinish
```
public void onScanFinish()
```
    A function to get notified when the corners are selected and the final image after cropping is available
  - onSurfaceTextureAvailable
```
public void onSurfaceTextureAvailable(android.graphics.SurfaceTexture surface,
                                      int width,
                                      int height)
```
    The function to handle the texture rendering and to enable the camera.
    
    Specified by:
    
    onSurfaceTextureAvailable in interface android.view.TextureView.SurfaceTextureListener
    
    Parameters:
    
    surface - The texture to render the camera on.
    
    width - The width of the texture.
    
    height - The height of the texture.
  - onSurfaceTextureDestroyed
```
public boolean onSurfaceTextureDestroyed(android.graphics.SurfaceTexture surface)
```
    Blank function
    
    Specified by:
    
    onSurfaceTextureDestroyed in interface android.view.TextureView.SurfaceTextureListener
    
    Parameters:
    
    surface - The texture to render the camera on.
    
    Returns:
    
    true
  - onSurfaceTextureSizeChanged
```
public void onSurfaceTextureSizeChanged(android.graphics.SurfaceTexture surface,
                                        int width,
                                        int height)
```
    Blank function.
    
    Specified by:
    
    onSurfaceTextureSizeChanged in interface android.view.TextureView.SurfaceTextureListener
    
    Parameters:
    
    surface - The texture to render the camera on.
    
    width - The width of the texture.
    
    height - The height of the texture.
  - onSurfaceTextureUpdated
```
public void onSurfaceTextureUpdated(android.graphics.SurfaceTexture surface)
```
    Blank function.
    
    Specified by:
    
    onSurfaceTextureUpdated in interface android.view.TextureView.SurfaceTextureListener
    
    Parameters:
    
    surface - texture that renders the camera.
  - rotateImage
```
protected void rotateImage(java.io.File bmpfile)
```
    A function to rotate the image according to the camera orientation received by EXIF
    
    Parameters:
    
    bmpfile - the bitmap to be rotated
  - startScan
```
public void startScan(java.io.File m)
```
    A function to create the window to crop the image
    
    Parameters:
    
    m - the image file
  - submit
```
protected void submit()
```
    A function to handle the click of the submit button. This starts the EditViewActivity which can be used to make changes to the pictures.

Class ScannerActivity

Nested Class Summary

Nested classes/interfaces inherited from class androidx.core.app.ComponentActivity

Field Summary

Fields inherited from class android.app.Activity

Fields inherited from class android.content.Context

Fields inherited from interface android.content.ComponentCallbacks2

Constructor Summary

Method Summary

Methods inherited from class androidx.appcompat.app.AppCompatActivity

Methods inherited from class androidx.fragment.app.FragmentActivity

Methods inherited from class androidx.activity.ComponentActivity

Methods inherited from class androidx.core.app.ComponentActivity

Methods inherited from class android.app.Activity

Methods inherited from class android.view.ContextThemeWrapper

Methods inherited from class android.content.ContextWrapper

Methods inherited from class android.content.Context

Methods inherited from class java.lang.Object

Methods inherited from interface android.view.Window.Callback

Field Detail

camera

clickB

count

countView

currentFragment

dir

flash

images

nextB

settingsB

texture

zoomHandler

Constructor Detail

ScannerActivity

Method Detail

click

createSettingsPopup

getRotation

onBackPressed

onClick

onCreate

onResume

onScanFinish

onSurfaceTextureAvailable

onSurfaceTextureDestroyed

onSurfaceTextureSizeChanged

onSurfaceTextureUpdated

rotateImage

startScan

submit