com.king.mlkit.vision.camera

类 BaseCameraScanFragment<T>

java.lang.Object

androidx.fragment.app.Fragment

com.king.mlkit.vision.camera.BaseCameraScanFragment<T>

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<T>

public abstract class BaseCameraScanFragment<T>
extends androidx.fragment.app.Fragment
implements CameraScan.OnScanResultCallback<T>

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

构造器概要

构造器

构造器和说明
BaseCameraScanFragment()

方法概要

限定符和类型	方法和说明
abstract Analyzer<T>	createAnalyzer() 创建分析器
CameraScan<T>	createCameraScan(androidx.camera.view.PreviewView previewView) 创建CameraScan
android.view.View	createRootView(android.view.LayoutInflater inflater, android.view.ViewGroup container) 创建mRootView
CameraScan<T>	getCameraScan() Get CameraScan
int	getLayoutId() 布局id
int	getPreviewViewId() 预览界面previewView 的ID
android.view.View	getRootView()
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)
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)
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.mlkit.vision.camera.CameraScan.OnScanResultCallback

onScanResultCallback, onScanResultFailure

字段详细资料

previewView

protected androidx.camera.view.PreviewView previewView

ivFlashlight

protected android.view.View ivFlashlight

构造器详细资料

BaseCameraScanFragment

public BaseCameraScanFragment()

方法详细资料

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:

getPreviewViewId

public int getPreviewViewId()

预览界面previewView 的ID

返回:

getCameraScan

public CameraScan<T> getCameraScan()

Get CameraScan

返回:

mCameraScan

getRootView

public android.view.View getRootView()

createCameraScan

public CameraScan<T> createCameraScan(androidx.camera.view.PreviewView previewView)

创建CameraScan

参数:

previewView -

返回:

createAnalyzer

@Nullable
public abstract Analyzer<T> createAnalyzer()

创建分析器

返回: