com.king.zxing

类 CaptureFragment

java.lang.Object

androidx.fragment.app.Fragment

com.king.zxing.CaptureFragment

所有已实现的接口:

android.content.ComponentCallbacks, android.view.View.OnCreateContextMenuListener, androidx.lifecycle.LifecycleOwner, androidx.lifecycle.ViewModelStoreOwner, androidx.savedstate.SavedStateRegistryOwner, CameraScan.OnScanResultCallback

public class CaptureFragment
extends androidx.fragment.app.Fragment
implements CameraScan.OnScanResultCallback

嵌套类概要

从类继承的嵌套类/接口 androidx.fragment.app.Fragment

androidx.fragment.app.Fragment.InstantiationException, androidx.fragment.app.Fragment.SavedState

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

构造器概要

构造器

构造器和说明
CaptureFragment()

方法概要

限定符和类型	方法和说明
android.view.View	createRootView(android.view.LayoutInflater inflater, android.view.ViewGroup container) 创建mRootView
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
android.view.View	getRootView()
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createRootView(LayoutInflater, ViewGroup)，返回为false是需自己去初始化createRootView(LayoutInflater, ViewGroup)
static CaptureFragment	newInstance()
protected void	onClickFlashlight() 点击手电筒
android.view.View	onCreateView(android.view.LayoutInflater inflater, android.view.ViewGroup container, android.os.Bundle savedInstanceState)
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.fragment.app.Fragment

dump, equals, getActivity, getAllowEnterTransitionOverlap, getAllowReturnTransitionOverlap, getArguments, getChildFragmentManager, getContext, getEnterTransition, getExitTransition, getFragmentManager, getHost, getId, getLayoutInflater, getLayoutInflater, getLifecycle, getLoaderManager, getParentFragment, getReenterTransition, getResources, getRetainInstance, getReturnTransition, getSavedStateRegistry, getSharedElementEnterTransition, getSharedElementReturnTransition, getString, getString, getTag, getTargetFragment, getTargetRequestCode, getText, getUserVisibleHint, getView, getViewLifecycleOwner, getViewLifecycleOwnerLiveData, getViewModelStore, hashCode, hasOptionsMenu, instantiate, instantiate, isAdded, isDetached, isHidden, isInLayout, isMenuVisible, isRemoving, isResumed, isStateSaved, isVisible, onActivityCreated, onActivityResult, onAttach, onAttach, onAttachFragment, onConfigurationChanged, onContextItemSelected, onCreate, onCreateAnimation, onCreateAnimator, onCreateContextMenu, onCreateOptionsMenu, onDestroyOptionsMenu, onDestroyView, onDetach, onGetLayoutInflater, onHiddenChanged, onInflate, onInflate, onLowMemory, onMultiWindowModeChanged, onOptionsItemSelected, onOptionsMenuClosed, onPause, onPictureInPictureModeChanged, onPrepareOptionsMenu, onPrimaryNavigationFragmentChanged, onResume, onSaveInstanceState, onStart, onStop, onViewCreated, onViewStateRestored, postponeEnterTransition, postponeEnterTransition, registerForContextMenu, requestPermissions, requireActivity, requireArguments, requireContext, requireFragmentManager, requireHost, requireParentFragment, requireView, setAllowEnterTransitionOverlap, setAllowReturnTransitionOverlap, setArguments, setEnterSharedElementCallback, setEnterTransition, setExitSharedElementCallback, setExitTransition, setHasOptionsMenu, setInitialSavedState, setMenuVisibility, setReenterTransition, setRetainInstance, setReturnTransition, setSharedElementEnterTransition, setSharedElementReturnTransition, setTargetFragment, setUserVisibleHint, shouldShowRequestPermissionRationale, startActivity, startActivity, startActivityForResult, startActivityForResult, startIntentSenderForResult, startPostponedEnterTransition, toString, unregisterForContextMenu

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

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

onScanResultFailure

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

CaptureFragment

public CaptureFragment()

方法详细资料

newInstance

public static CaptureFragment newInstance()

onCreateView

public android.view.View onCreateView(android.view.LayoutInflater inflater,
                                      android.view.ViewGroup container,
                                      android.os.Bundle savedInstanceState)

覆盖:

onCreateView 在类中 androidx.fragment.app.Fragment

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)

覆盖:

onRequestPermissionsResult 在类中 androidx.fragment.app.Fragment

requestCameraPermissionResult

public void requestCameraPermissionResult(@NonNull
                                          String[] permissions,
                                          @NonNull
                                          int[] grantResults)

请求Camera权限回调结果

参数:

permissions -

grantResults -

onDestroy

public void onDestroy()

覆盖:

onDestroy 在类中 androidx.fragment.app.Fragment

isContentView

public boolean isContentView(@LayoutRes
                             int layoutId)

返回true时会自动初始化createRootView(LayoutInflater, ViewGroup)，返回为false是需自己去初始化createRootView(LayoutInflater, ViewGroup)

参数:

layoutId -

返回:

默认返回true

createRootView

@NonNull
public android.view.View createRootView(android.view.LayoutInflater inflater,
                                                  android.view.ViewGroup container)

创建mRootView

参数:

inflater -

container -

返回:

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

getRootView

public android.view.View getRootView()