CaptureActivity (zxing-lite 2.1.0 API)

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.king.zxing.CaptureActivity

所有已实现的接口:

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.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.LifecycleOwner, androidx.lifecycle.ViewModelStoreOwner, androidx.savedstate.SavedStateRegistryOwner, CameraScan.OnScanResultCallback
```
public class CaptureActivity
extends androidx.appcompat.app.AppCompatActivity
implements CameraScan.OnScanResultCallback
```

嵌套类概要
- 从类继承的嵌套类/接口 androidx.core.app.ComponentActivity
  androidx.core.app.ComponentActivity.ExtraData

字段概要

字段
限定符和类型字段和说明

protected android.view.View ivFlashlight

protected androidx.camera.view.PreviewView previewView

protected ViewfinderView viewfinderView
- 从类继承的字段 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
- 从类继承的字段 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_NOT_FOREGROUND, BIND_WAIVE_PRIORITY, 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, 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
- 从接口继承的字段 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

字段
限定符和类型	字段和说明
`protected android.view.View`	`ivFlashlight`
`protected androidx.camera.view.PreviewView`	`previewView`
`protected ViewfinderView`	`viewfinderView`

构造器概要

构造器
构造器和说明

CaptureActivity()

构造器
构造器和说明
`CaptureActivity()`

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`CameraScan`	`getCameraScan()` Get `CameraScan`
`int`	`getFlashlightId()` 获取 `ivFlashlight` 的ID
`int`	`getLayoutId()` 布局id
`int`	`getPreviewViewId()` 预览界面`previewView` 的ID
`int`	`getViewfinderViewId()` `viewfinderView` 的 ID
`void`	`initCameraScan()` 初始化CameraScan
`void`	`initUI()` 初始化
`boolean`	`isContentView(int layoutId)` 返回true时会自动初始化`AppCompatActivity.setContentView(int)`，返回为false是需自己去初始化`AppCompatActivity.setContentView(int)`
`protected void`	`onClickFlashlight()` 点击手电筒
`protected void`	`onCreate(android.os.Bundle savedInstanceState)`
`protected void`	`onDestroy()`
`void`	`onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults)`
`boolean`	`onScanResultCallback(com.google.zxing.Result result)` 接收扫码结果回调
`void`	`requestCameraPermissionResult(String[] permissions, int[] grantResults)` 请求Camera权限回调结果
`void`	`startCamera()` 启动相机预览
`protected void`	`toggleTorchState()` 切换闪光灯状态（开启/关闭）

从类继承的方法 androidx.appcompat.app.AppCompatActivity
addContentView, attachBaseContext, closeOptionsMenu, dispatchKeyEvent, findViewById, getDelegate, getDrawerToggleDelegate, getMenuInflater, getResources, getSupportActionBar, getSupportParentActivityIntent, invalidateOptionsMenu, onConfigurationChanged, onContentChanged, onCreateSupportNavigateUpTaskStack, 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

从类继承的方法 androidx.fragment.app.FragmentActivity
dump, getSupportFragmentManager, getSupportLoaderManager, onActivityResult, onAttachFragment, onCreatePanelMenu, onCreateView, onCreateView, onLowMemory, onMultiWindowModeChanged, onNewIntent, onPause, onPictureInPictureModeChanged, onPrepareOptionsPanel, onPreparePanel, onResume, onResumeFragments, onStateNotSaved, setEnterSharedElementCallback, setExitSharedElementCallback, startActivityForResult, startActivityForResult, startActivityFromFragment, startActivityFromFragment, startIntentSenderForResult, startIntentSenderForResult, startIntentSenderFromFragment, supportFinishAfterTransition, supportPostponeEnterTransition, supportStartPostponedEnterTransition, validateRequestPermissionsRequestCode

从类继承的方法 androidx.activity.ComponentActivity
getLastCustomNonConfigurationInstance, getLifecycle, getOnBackPressedDispatcher, getSavedStateRegistry, getViewModelStore, onBackPressed, onRetainCustomNonConfigurationInstance, onRetainNonConfigurationInstance

从类继承的方法 androidx.core.app.ComponentActivity
dispatchKeyShortcutEvent, getExtraData, putExtraData, superDispatchKeyEvent

从类继承的方法 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, onKeyLongPress, onKeyMultiple, onKeyShortcut, onKeyUp, onLocalVoiceInteractionStarted, onLocalVoiceInteractionStopped, onMultiWindowModeChanged, onNavigateUp, onNavigateUpFromChild, onOptionsItemSelected, onOptionsMenuClosed, onPictureInPictureModeChanged, onPostCreate, onPrepareDialog, onPrepareDialog, onPrepareNavigateUpTaskStack, onPrepareOptionsMenu, onProvideAssistContent, onProvideAssistData, onProvideKeyboardShortcuts, onProvideReferrer, onRestart, onRestoreInstanceState, onRestoreInstanceState, onSaveInstanceState, onSearchRequested, onSearchRequested, onTouchEvent, onTrackballEvent, onTrimMemory, onUserInteraction, onUserLeaveHint, onVisibleBehindCanceled, onWindowAttributesChanged, onWindowFocusChanged, onWindowStartingActionMode, onWindowStartingActionMode, openContextMenu, overridePendingTransition, postponeEnterTransition, recreate, registerForContextMenu, releaseInstance, removeDialog, reportFullyDrawn, requestDragAndDropPermissions, requestPermissions, requestShowKeyboardShortcuts, requestVisibleBehind, requestWindowFeature, requireViewById, runOnUiThread, setActionBar, setContentTransitionManager, setDefaultKeyMode, setEnterSharedElementCallback, setExitSharedElementCallback, setFeatureDrawable, setFeatureDrawableAlpha, setFeatureDrawableResource, setFeatureDrawableUri, setFinishOnTouchOutside, setImmersive, 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, unregisterForContextMenu

从类继承的方法 android.view.ContextThemeWrapper
applyOverrideConfiguration, getAssets, getTheme

从类继承的方法 android.content.ContextWrapper
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, 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

从类继承的方法 android.content.Context
getColor, getColorStateList, getDrawable, getString, getString, getSystemService, getText, obtainStyledAttributes, obtainStyledAttributes, obtainStyledAttributes, obtainStyledAttributes, registerComponentCallbacks, unregisterComponentCallbacks

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 com.king.zxing.CameraScan.OnScanResultCallback
onScanResultFailure

从接口继承的方法 android.view.Window.Callback
onPointerCaptureChanged

- 字段详细资料
  - previewView
```
protected androidx.camera.view.PreviewView previewView
```
  - viewfinderView
```
protected ViewfinderView viewfinderView
```
  - ivFlashlight
```
protected android.view.View ivFlashlight
```
- 构造器详细资料
  - CaptureActivity
```
public CaptureActivity()
```
- 方法详细资料
  - onCreate
```
protected void onCreate(@Nullable
                        android.os.Bundle savedInstanceState)
```
    覆盖:
    
    onCreate 在类中 androidx.appcompat.app.AppCompatActivity
  - initUI
```
public void initUI()
```
    初始化
  - onClickFlashlight
```
protected void onClickFlashlight()
```
    点击手电筒
  - initCameraScan
```
public void initCameraScan()
```
    初始化CameraScan
  - startCamera
```
public void startCamera()
```
    启动相机预览
  - toggleTorchState
```
protected void toggleTorchState()
```
    切换闪光灯状态（开启/关闭）
  - onRequestPermissionsResult
```
public void onRequestPermissionsResult(int requestCode,
                                       @NonNull
                                       String[] permissions,
                                       @NonNull
                                       int[] grantResults)
```
    指定者:
    
    onRequestPermissionsResult 在接口中 androidx.core.app.ActivityCompat.OnRequestPermissionsResultCallback
    
    覆盖:
    
    onRequestPermissionsResult 在类中 androidx.fragment.app.FragmentActivity
  - requestCameraPermissionResult
```
public void requestCameraPermissionResult(@NonNull
                                          String[] permissions,
                                          @NonNull
                                          int[] grantResults)
```
    请求Camera权限回调结果
    
    参数:
    
    permissions -
    
    grantResults -
  - onDestroy
```
protected void onDestroy()
```
    覆盖:
    
    onDestroy 在类中 androidx.appcompat.app.AppCompatActivity
  - isContentView
```
public boolean isContentView(@LayoutRes
                             int layoutId)
```
    返回true时会自动初始化AppCompatActivity.setContentView(int)，返回为false是需自己去初始化AppCompatActivity.setContentView(int)
    
    参数:
    
    layoutId -
    
    返回:
    
    默认返回true
  - getLayoutId
```
public int getLayoutId()
```
    布局id
    
    返回:
  - getViewfinderViewId
```
public int getViewfinderViewId()
```
    viewfinderView 的 ID
    
    返回:
    
    默认返回R.id.viewfinderView, 如果不需要扫码框可以返回0
  - getPreviewViewId
```
public int getPreviewViewId()
```
    预览界面previewView 的ID
    
    返回:
  - getFlashlightId
```
public int getFlashlightId()
```
    获取 ivFlashlight 的ID
    
    返回:
    
    默认返回R.id.ivFlashlight, 如果不需要手电筒按钮可以返回0
  - getCameraScan
```
public CameraScan getCameraScan()
```
    Get CameraScan
    
    返回:
    
    mCameraScan
  - onScanResultCallback
```
public boolean onScanResultCallback(com.google.zxing.Result result)
```
    接收扫码结果回调
    
    指定者:
    
    onScanResultCallback 在接口中 CameraScan.OnScanResultCallback
    
    参数:
    
    result - 扫码结果
    
    返回:
    
    返回true表示拦截，将不自动执行后续逻辑，为false表示不拦截，默认不拦截

类 CaptureActivity

嵌套类概要

从类继承的嵌套类/接口 androidx.core.app.ComponentActivity

字段概要

从类继承的字段 android.app.Activity

从类继承的字段 android.content.Context

从接口继承的字段 android.content.ComponentCallbacks2

构造器概要

方法概要

从类继承的方法 androidx.appcompat.app.AppCompatActivity

从类继承的方法 androidx.fragment.app.FragmentActivity

从类继承的方法 androidx.activity.ComponentActivity

从类继承的方法 androidx.core.app.ComponentActivity

从类继承的方法 android.app.Activity

从类继承的方法 android.view.ContextThemeWrapper

从类继承的方法 android.content.ContextWrapper

从类继承的方法 android.content.Context

从类继承的方法 java.lang.Object

从接口继承的方法 com.king.zxing.CameraScan.OnScanResultCallback

从接口继承的方法 android.view.Window.Callback

字段详细资料

previewView

viewfinderView

ivFlashlight

构造器详细资料

CaptureActivity

方法详细资料

onCreate

initUI

onClickFlashlight

initCameraScan

startCamera

toggleTorchState

onRequestPermissionsResult

requestCameraPermissionResult

onDestroy

isContentView

getLayoutId

getViewfinderViewId

getPreviewViewId

getFlashlightId

getCameraScan

onScanResultCallback