Class CustomCaptureActivity

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.example.oblong.CustomCaptureActivity
All Implemented Interfaces:
android.content.ComponentCallbacks, android.content.ComponentCallbacks2, android.view.KeyEvent.Callback, android.view.LayoutInflater.Factory, android.view.LayoutInflater.Factory2, android.view.View.OnCreateContextMenuListener, android.view.Window.Callback, androidx.activity.contextaware.ContextAware, androidx.activity.FullyDrawnReporterOwner, androidx.activity.OnBackPressedDispatcherOwner, androidx.activity.result.ActivityResultCaller, androidx.activity.result.ActivityResultRegistryOwner, androidx.appcompat.app.ActionBarDrawerToggle.DelegateProvider, androidx.appcompat.app.AppCompatCallback, androidx.core.app.ActivityCompat.OnRequestPermissionsResultCallback, androidx.core.app.ActivityCompat.RequestPermissionsRequestCodeValidator, androidx.core.app.OnMultiWindowModeChangedProvider, androidx.core.app.OnNewIntentProvider, androidx.core.app.OnPictureInPictureModeChangedProvider, androidx.core.app.OnUserLeaveHintProvider, androidx.core.app.TaskStackBuilder.SupportParentable, androidx.core.content.OnConfigurationChangedProvider, androidx.core.content.OnTrimMemoryProvider, androidx.core.view.KeyEventDispatcher.Component, androidx.core.view.MenuHost, androidx.lifecycle.HasDefaultViewModelProviderFactory, androidx.lifecycle.LifecycleOwner, androidx.lifecycle.ViewModelStoreOwner, androidx.savedstate.SavedStateRegistryOwner

public class CustomCaptureActivity extends androidx.appcompat.app.AppCompatActivity
Custom activity for capturing barcodes and QR codes using the ZXing library.

This activity provides a custom layout for barcode scanning and supports continuous decoding of QR codes and Code 39 barcodes. It also handles sound and vibration feedback for successful scans.

Reference: ZXing Android Embedded

  • Nested Class Summary

    Nested classes/interfaces inherited from class androidx.activity.ComponentActivity

    androidx.activity.ComponentActivity.NonConfigurationInstances

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

    androidx.core.app.ComponentActivity.ExtraData

    Nested classes/interfaces inherited from class android.app.Activity

    android.app.Activity.ScreenCaptureCallback

    Nested classes/interfaces inherited from class android.content.Context

    android.content.Context.BindServiceFlags
  • Field Summary

    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, FULLSCREEN_MODE_REQUEST_ENTER, FULLSCREEN_MODE_REQUEST_EXIT, OVERRIDE_TRANSITION_CLOSE, OVERRIDE_TRANSITION_OPEN, 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, APP_SEARCH_SERVICE, APPWIDGET_SERVICE, AUDIO_SERVICE, BATTERY_SERVICE, BIND_ABOVE_CLIENT, BIND_ADJUST_WITH_ACTIVITY, BIND_ALLOW_ACTIVITY_STARTS, BIND_ALLOW_OOM_MANAGEMENT, BIND_AUTO_CREATE, BIND_DEBUG_UNBIND, BIND_EXTERNAL_SERVICE, BIND_EXTERNAL_SERVICE_LONG, BIND_IMPORTANT, BIND_INCLUDE_CAPABILITIES, BIND_NOT_FOREGROUND, BIND_NOT_PERCEPTIBLE, BIND_SHARED_ISOLATED_PROCESS, BIND_WAIVE_PRIORITY, BIOMETRIC_SERVICE, BLOB_STORE_SERVICE, BLUETOOTH_SERVICE, BUGREPORT_SERVICE, CAMERA_SERVICE, CAPTIONING_SERVICE, CARRIER_CONFIG_SERVICE, CLIPBOARD_SERVICE, COMPANION_DEVICE_SERVICE, CONNECTIVITY_DIAGNOSTICS_SERVICE, CONNECTIVITY_SERVICE, CONSUMER_IR_SERVICE, CONTEXT_IGNORE_SECURITY, CONTEXT_INCLUDE_CODE, CONTEXT_RESTRICTED, CREDENTIAL_SERVICE, CROSS_PROFILE_APPS_SERVICE, DEVICE_ID_DEFAULT, DEVICE_ID_INVALID, DEVICE_LOCK_SERVICE, DEVICE_POLICY_SERVICE, DISPLAY_HASH_SERVICE, DISPLAY_SERVICE, DOMAIN_VERIFICATION_SERVICE, DOWNLOAD_SERVICE, DROPBOX_SERVICE, EUICC_SERVICE, FILE_INTEGRITY_SERVICE, FINGERPRINT_SERVICE, GAME_SERVICE, GRAMMATICAL_INFLECTION_SERVICE, HARDWARE_PROPERTIES_SERVICE, HEALTHCONNECT_SERVICE, INPUT_METHOD_SERVICE, INPUT_SERVICE, IPSEC_SERVICE, JOB_SCHEDULER_SERVICE, KEYGUARD_SERVICE, LAUNCHER_APPS_SERVICE, LAYOUT_INFLATER_SERVICE, LOCALE_SERVICE, LOCATION_SERVICE, MEDIA_COMMUNICATION_SERVICE, MEDIA_METRICS_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, OVERLAY_SERVICE, PEOPLE_SERVICE, PERFORMANCE_HINT_SERVICE, POWER_SERVICE, PRINT_SERVICE, RECEIVER_EXPORTED, RECEIVER_NOT_EXPORTED, RECEIVER_VISIBLE_TO_INSTANT_APPS, RESTRICTIONS_SERVICE, ROLE_SERVICE, SEARCH_SERVICE, SENSOR_SERVICE, SHORTCUT_SERVICE, STATUS_BAR_SERVICE, STORAGE_SERVICE, STORAGE_STATS_SERVICE, SYSTEM_HEALTH_SERVICE, TELECOM_SERVICE, TELEPHONY_IMS_SERVICE, TELEPHONY_SERVICE, TELEPHONY_SUBSCRIPTION_SERVICE, TEXT_CLASSIFICATION_SERVICE, TEXT_SERVICES_MANAGER_SERVICE, TV_INPUT_SERVICE, TV_INTERACTIVE_APP_SERVICE, UI_MODE_SERVICE, USAGE_STATS_SERVICE, USB_SERVICE, USER_SERVICE, VIBRATOR_MANAGER_SERVICE, VIBRATOR_SERVICE, VIRTUAL_DEVICE_SERVICE, VPN_MANAGEMENT_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
    Description
     
  • Method Summary

    Modifier and Type
    Method
    Description
    protected void
    onCreate(android.os.Bundle savedInstanceState)
    Initializes the activity and configures the barcode scanner.
    boolean
    onKeyDown(int keyCode, android.view.KeyEvent event)
     
    protected void
     
    protected void
     
    void
    pause(android.view.View view)
     
    void
    resume(android.view.View view)
     
    void
    triggerScan(android.view.View view)
     

    Methods inherited from class androidx.appcompat.app.AppCompatActivity

    addContentView, attachBaseContext, closeOptionsMenu, dispatchKeyEvent, findViewById, getDelegate, getDrawerToggleDelegate, getMenuInflater, getResources, getSupportActionBar, getSupportParentActivityIntent, invalidateOptionsMenu, onConfigurationChanged, onContentChanged, onCreateSupportNavigateUpTaskStack, onDestroy, onLocalesChanged, onMenuItemSelected, onMenuOpened, onNightModeChanged, onPanelClosed, onPostCreate, onPostResume, onPrepareSupportNavigateUpTaskStack, 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, onCreateView, onCreateView, onRequestPermissionsResult, onResumeFragments, onStateNotSaved, setEnterSharedElementCallback, setExitSharedElementCallback, startActivityFromFragment, startActivityFromFragment, startIntentSenderFromFragment, supportFinishAfterTransition, supportPostponeEnterTransition, supportStartPostponedEnterTransition, validateRequestPermissionsRequestCode

    Methods inherited from class androidx.activity.ComponentActivity

    addMenuProvider, addMenuProvider, addMenuProvider, addOnConfigurationChangedListener, addOnContextAvailableListener, addOnMultiWindowModeChangedListener, addOnNewIntentListener, addOnPictureInPictureModeChangedListener, addOnTrimMemoryListener, addOnUserLeaveHintListener, getActivityResultRegistry, getDefaultViewModelCreationExtras, getDefaultViewModelProviderFactory, getFullyDrawnReporter, getLastCustomNonConfigurationInstance, getLifecycle, getOnBackPressedDispatcher, getSavedStateRegistry, getViewModelStore, initializeViewTreeOwners, invalidateMenu, onBackPressed, onCreatePanelMenu, onMultiWindowModeChanged, onMultiWindowModeChanged, onNewIntent, onPictureInPictureModeChanged, onPictureInPictureModeChanged, onPreparePanel, onRetainCustomNonConfigurationInstance, onRetainNonConfigurationInstance, onSaveInstanceState, onTrimMemory, onUserLeaveHint, peekAvailableContext, registerForActivityResult, registerForActivityResult, removeMenuProvider, removeOnConfigurationChangedListener, removeOnContextAvailableListener, removeOnMultiWindowModeChangedListener, removeOnNewIntentListener, removeOnPictureInPictureModeChangedListener, removeOnTrimMemoryListener, removeOnUserLeaveHintListener, reportFullyDrawn, startActivityForResult, startActivityForResult, startIntentSenderForResult, startIntentSenderForResult

    Methods inherited from class androidx.core.app.ComponentActivity

    dispatchKeyShortcutEvent, getExtraData, putExtraData, shouldDumpInternalState, superDispatchKeyEvent

    Methods inherited from class android.app.Activity

    clearOverrideActivityTransition, 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, getLaunchedFromPackage, getLaunchedFromUid, getLayoutInflater, getLoaderManager, getLocalClassName, getMaxNumPictureInPictureActions, getMediaController, getOnBackInvokedDispatcher, getParent, getParentActivityIntent, getPreferences, getReferrer, getRequestedOrientation, getSearchEvent, getSplashScreen, getSystemService, getTaskId, getTitle, getTitleColor, getVoiceInteractor, getVolumeControlStream, getWindow, getWindowManager, hasWindowFocus, isActivityTransitionRunning, isChangingConfigurations, isChild, isDestroyed, isFinishing, isImmersive, isInMultiWindowMode, isInPictureInPictureMode, isLaunchedFromBubble, 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, onLowMemory, onNavigateUp, onNavigateUpFromChild, onOptionsItemSelected, onOptionsMenuClosed, onPerformDirectAction, onPictureInPictureRequested, onPictureInPictureUiStateChanged, onPostCreate, onPrepareDialog, onPrepareDialog, onPrepareNavigateUpTaskStack, onPrepareOptionsMenu, onProvideAssistContent, onProvideAssistData, onProvideKeyboardShortcuts, onProvideReferrer, onRestart, onRestoreInstanceState, onRestoreInstanceState, onSaveInstanceState, onSearchRequested, onSearchRequested, onTopResumedActivityChanged, onTouchEvent, onTrackballEvent, onUserInteraction, onVisibleBehindCanceled, onWindowAttributesChanged, onWindowFocusChanged, onWindowStartingActionMode, onWindowStartingActionMode, openContextMenu, overrideActivityTransition, overrideActivityTransition, overridePendingTransition, overridePendingTransition, postponeEnterTransition, recreate, registerActivityLifecycleCallbacks, registerComponentCallbacks, registerForContextMenu, registerScreenCaptureCallback, releaseInstance, removeDialog, requestDragAndDropPermissions, requestFullscreenMode, requestPermissions, requestShowKeyboardShortcuts, requestVisibleBehind, requestWindowFeature, requireViewById, runOnUiThread, setActionBar, setContentTransitionManager, setDefaultKeyMode, setEnterSharedElementCallback, setExitSharedElementCallback, setFeatureDrawable, setFeatureDrawableAlpha, setFeatureDrawableResource, setFeatureDrawableUri, setFinishOnTouchOutside, setImmersive, setInheritShowWhenLocked, setIntent, setLocusContext, setMediaController, setPictureInPictureParams, setProgress, setProgressBarIndeterminate, setProgressBarIndeterminateVisibility, setProgressBarVisibility, setRecentsScreenshotEnabled, setRequestedOrientation, setResult, setResult, setSecondaryProgress, setShouldDockBigOverlays, setShowWhenLocked, setTaskDescription, setTitle, setTitle, setTitleColor, setTranslucent, setTurnScreenOn, setVisible, setVolumeControlStream, setVrModeEnabled, shouldDockBigOverlays, 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, unregisterComponentCallbacks, unregisterForContextMenu, unregisterScreenCaptureCallback

    Methods inherited from class android.view.ContextThemeWrapper

    applyOverrideConfiguration, getAssets, getTheme, setTheme

    Methods inherited from class android.content.ContextWrapper

    bindIsolatedService, bindService, bindService, bindService, bindService, bindServiceAsUser, bindServiceAsUser, checkCallingOrSelfPermission, checkCallingOrSelfUriPermission, checkCallingOrSelfUriPermissions, checkCallingPermission, checkCallingUriPermission, checkCallingUriPermissions, checkPermission, checkSelfPermission, checkUriPermission, checkUriPermission, checkUriPermissions, clearWallpaper, createAttributionContext, createConfigurationContext, createContext, createContextForSplit, createDeviceContext, createDeviceProtectedStorageContext, createDisplayContext, createPackageContext, createWindowContext, createWindowContext, databaseList, deleteDatabase, deleteFile, deleteSharedPreferences, enforceCallingOrSelfPermission, enforceCallingOrSelfUriPermission, enforceCallingPermission, enforceCallingUriPermission, enforcePermission, enforceUriPermission, enforceUriPermission, fileList, getApplicationContext, getApplicationInfo, getAttributionSource, getAttributionTag, getBaseContext, getCacheDir, getClassLoader, getCodeCacheDir, getContentResolver, getDatabasePath, getDataDir, getDeviceId, getDir, getDisplay, getExternalCacheDir, getExternalCacheDirs, getExternalFilesDir, getExternalFilesDirs, getExternalMediaDirs, getFilesDir, getFileStreamPath, getMainExecutor, getMainLooper, getNoBackupFilesDir, getObbDir, getObbDirs, getOpPackageName, getPackageCodePath, getPackageManager, getPackageName, getPackageResourcePath, getParams, getSharedPreferences, getSystemServiceName, getWallpaper, getWallpaperDesiredMinimumHeight, getWallpaperDesiredMinimumWidth, grantUriPermission, isDeviceProtectedStorage, isRestricted, isUiContext, moveDatabaseFrom, moveSharedPreferencesFrom, openFileInput, openFileOutput, openOrCreateDatabase, openOrCreateDatabase, peekWallpaper, registerDeviceIdChangeListener, registerReceiver, registerReceiver, registerReceiver, registerReceiver, removeStickyBroadcast, removeStickyBroadcastAsUser, revokeSelfPermissionsOnKill, revokeUriPermission, revokeUriPermission, sendBroadcast, sendBroadcast, sendBroadcast, sendBroadcastAsUser, sendBroadcastAsUser, sendOrderedBroadcast, sendOrderedBroadcast, sendOrderedBroadcast, sendOrderedBroadcast, sendOrderedBroadcast, sendOrderedBroadcast, sendOrderedBroadcastAsUser, sendStickyBroadcast, sendStickyBroadcast, sendStickyBroadcastAsUser, sendStickyOrderedBroadcast, sendStickyOrderedBroadcastAsUser, setWallpaper, setWallpaper, startForegroundService, startInstrumentation, startService, stopService, unbindService, unregisterDeviceIdChangeListener, unregisterReceiver, updateServiceGroup

    Methods inherited from class android.content.Context

    bindIsolatedService, getColor, getColorStateList, getDrawable, getString, getString, getSystemService, getText, obtainStyledAttributes, obtainStyledAttributes, obtainStyledAttributes, obtainStyledAttributes, revokeSelfPermissionOnKill, sendBroadcastWithMultiplePermissions

    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
  • Constructor Details

    • CustomCaptureActivity

      public CustomCaptureActivity()
  • Method Details

    • onCreate

      protected void onCreate(android.os.Bundle savedInstanceState)
      Initializes the activity and configures the barcode scanner.
      Overrides:
      onCreate in class androidx.fragment.app.FragmentActivity
      Parameters:
      savedInstanceState - The previously saved instance state, if any.
    • onResume

      protected void onResume()
      Overrides:
      onResume in class androidx.fragment.app.FragmentActivity
    • onPause

      protected void onPause()
      Overrides:
      onPause in class androidx.fragment.app.FragmentActivity
    • pause

      public void pause(android.view.View view)
    • resume

      public void resume(android.view.View view)
    • triggerScan

      public void triggerScan(android.view.View view)
    • onKeyDown

      public boolean onKeyDown(int keyCode, android.view.KeyEvent event)
      Specified by:
      onKeyDown in interface android.view.KeyEvent.Callback
      Overrides:
      onKeyDown in class androidx.appcompat.app.AppCompatActivity