MTKCamera预览、成像、拉伸代码简要片段

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All revisions are subject to * any receiver's applicable license agreements with MediaTek Inc. */ package com.mediatek.camera.ui; import android.app.FragmentManager; import android.app.FragmentTransaction; import android.content.res.Configuration; import android.graphics.Bitmap; import android.graphics.Point; import android.graphics.Rect; import android.os.Handler; import android.os.Looper; import android.os.Message; import android.provider.MediaStore; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.OrientationEventListener; import android.view.View; import android.view.ViewGroup; import android.widget.FrameLayout; import android.widget.LinearLayout; import android.widget.TextView; import com.mediatek.camera.R; import com.mediatek.camera.common.IAppUi; import com.mediatek.camera.common.IAppUiListener.ISurfaceStatusListener; import com.mediatek.camera.common.IAppUiListener.OnGestureListener; import com.mediatek.camera.common.IAppUiListener.OnModeChangeListener; import com.mediatek.camera.common.IAppUiListener.OnPreviewAreaChangedListener; import com.mediatek.camera.common.IAppUiListener.OnPreviewTouchedListener; import com.mediatek.camera.common.IAppUiListener.OnShutterButtonListener; import com.mediatek.camera.common.IAppUiListener.OnThumbnailClickedListener; import com.mediatek.camera.common.app.IApp; import com.mediatek.camera.common.debug.LogHelper; import com.mediatek.camera.common.debug.LogUtil; import com.mediatek.camera.common.mode.IReviewUI; import com.mediatek.camera.common.mode.photo.intent.IIntentPhotoUi; import com.mediatek.camera.common.mode.video.videoui.IVideoUI; import com.mediatek.camera.common.setting.ICameraSettingView; import com.mediatek.camera.common.utils.CameraUtil; import com.mediatek.camera.common.widget.PreviewFrameLayout; import com.mediatek.camera.common.widget.RotateLayout; import com.mediatek.camera.gesture.GestureManager; import com.mediatek.camera.ui.modepicker.ModePickerManager; import com.mediatek.camera.ui.modepicker.ModeProvider; import com.mediatek.camera.ui.photo.IntentPhotoUi; import com.mediatek.camera.ui.preview.PreviewManager; import com.mediatek.camera.ui.shutter.ShutterButtonManager; import com.mediatek.camera.ui.video.VideoUI; import java.util.ArrayList; import java.util.List; /** * CameraAppUI centralizes control of views shared across modules. Whereas module * specific views will be handled in each Module UI. For example, we can now * bring the flash animation and capture animation up from each module to app * level, as these animations are largely the same for all modules. * * This class also serves to disambiguate touch events. It recognizes all the * swipe gestures that happen on the preview by attaching a touch listener to * a full-screen view on top of preview TextureView. Since CameraAppUI has knowledge * of how swipe from each direction should be handled, it can then redirect these * events to appropriate recipient views. */ public class CameraAppUI implements IAppUi { private static final LogUtil.Tag TAG = new LogUtil.Tag(CameraAppUI.class.getSimpleName()); private final IApp mApp; private GestureManager mGestureManager; private ShutterButtonManager mShutterManager; private ThumbnailViewManager mThumbnailViewManager; private PreviewManager mPreviewManager; private ModePickerManager mModePickerManager; private QuickSwitcherManager mQuickSwitcherManager; private IndicatorViewManager mIndicatorViewManager; private SettingFragment mSettingFragment; private EffectViewManager mEffectViewManager; private OnScreenHintManager mOnScreenHintManager; private AnimationManager mAnimationManager; private final List<IViewManager> mViewManagers; private OnModeChangeListener mModeChangeListener; private ViewGroup mSavingDialog; private String mCurrentModeName; private String mCurrentCameraId = "0"; private String mCurrentModeType; private ModeProvider mModeProvider; private Handler mConfigUIHandler = new ConfigUIHandler(); private static final int APPLY_ALL_UI_VISIBILITY = 0; private static final int APPLY_ALL_UI_ENABLED = 1; private static final int SET_UI_VISIBILITY = 2; private static final int SET_UI_ENABLED = 3; private final OnOrientationChangeListenerImpl mOrientationChangeListener; /** * Constructor of cameraAppUi. * @param app The {@link IApp} implementer. */ public CameraAppUI(IApp app) { mApp = app; mOrientationChangeListener = new OnOrientationChangeListenerImpl(); mViewManagers = new ArrayList<>(); } /** * Called when activity's onCreate() is invoked. */ public void onCreate() { ViewGroup rootView = (ViewGroup) mApp.getActivity() .findViewById(R.id.app_ui_root); ViewGroup parentView = (ViewGroup) mApp.getActivity().getLayoutInflater() .inflate(R.layout.camera_ui_root, rootView, true); View appUI = parentView.findViewById(R.id.camera_ui_root); if (CameraUtil.isHasNavigationBar(mApp.getActivity())) { //get navigation bar height. int navigationBarHeight = CameraUtil.getNavigationBarHeight(mApp.getActivity()); //set root view bottom margin to let the UI above the navigation bar. FrameLayout.LayoutParams params = (FrameLayout.LayoutParams) appUI.getLayoutParams(); if (CameraUtil.isTablet()) { int displayRotation = CameraUtil.getDisplayRotation(mApp.getActivity()); LogHelper.d(TAG, " onCreate dis