android.support.v4.view.GestureDetectorCompat Java Examples

public Attacher(DraweeView<GenericDraweeHierarchy> draweeView) {
    mDraweeView = new WeakReference<>(draweeView);
    draweeView.getHierarchy().setActualImageScaleType(ScalingUtils.ScaleType.FIT_CENTER);
    draweeView.setOnTouchListener(this);
    mScaleDragDetector = new ScaleDragDetector(draweeView.getContext(), this);
    mGestureDetector = new GestureDetectorCompat(draweeView.getContext(),
            new GestureDetector.SimpleOnGestureListener() {
                @Override public void onLongPress(MotionEvent e) {
                    super.onLongPress(e);
                    if (null != mLongClickListener) {
                        mLongClickListener.onLongClick(getDraweeView());
                    }
                }
            });
    mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
}
 

@Override
public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
    if (!shouldDetectGesture()) {
        return false; // 拦截手势检测
    }

    // 手势检测
    if (recyclerView == null) {
        this.recyclerView = rv;
        this.baseAdapter = (T) recyclerView.getAdapter();
        mGestureDetector = new GestureDetectorCompat(recyclerView.getContext(), new ItemTouchHelperGestureListener(recyclerView));
    }
    if (!mGestureDetector.onTouchEvent(e) && e.getActionMasked() == MotionEvent.ACTION_UP && mIsShowPress) {
        if (mPressedView != null) {
            BaseViewHolder vh = (BaseViewHolder) recyclerView.getChildViewHolder(mPressedView);
            if (vh == null || vh.getItemViewType() != IRecyclerView.LOADING_VIEW || vh.getItemViewType() != IRecyclerView.FETCHING_VIEW) {
                mPressedView.setPressed(false);
            }
            mPressedView = null;
        }
        mIsShowPress = false;
        mIsPrepressed = false;
    }

    return false;
}
 

public Attacher(DraweeView<GenericDraweeHierarchy> draweeView) {
    mDraweeView = new WeakReference<>(draweeView);
    draweeView.getHierarchy().setActualImageScaleType(ScalingUtils.ScaleType.FIT_CENTER);
    draweeView.setOnTouchListener(this);
    mScaleDragDetector = new ScaleDragDetector(draweeView.getContext(), this);
    mGestureDetector = new GestureDetectorCompat(draweeView.getContext(),
            new GestureDetector.SimpleOnGestureListener() {
                @Override
                public void onLongPress(MotionEvent e) {
                    super.onLongPress(e);
                    if (null != mLongClickListener) {
                        mLongClickListener.onLongClick(getDraweeView());
                    }
                }
            });
    mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
}
 

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    mLandscape = getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
    mGestureDetector = new GestureDetectorCompat(getActivity(), new GestureListener());

    if ( mLandscape ) {
        mainActivity.mViewPagerListeners.add(this);
    }

    if ( savedInstanceState != null ) {
        long date = savedInstanceState.getLong(SAVE_DATE, -1);

        if ( date > 0 )
            mCalendar.setTimeInMillis(date);
    }
}
 

public DraggableSquareView(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    mDragHelper = ViewDragHelper
            .create(this, 10f, new DragHelperCallback());
    moveDetector = new GestureDetectorCompat(context,
            new MoveDetector());
    moveDetector.setIsLongpressEnabled(false); // 不能处理长按事件，否则违背最初设计的初衷
    spaceInterval = (int) getResources().getDimension(R.dimen.drag_square_interval); // 小方块之间的间隔

    // 滑动的距离阈值由系统提供
    ViewConfiguration configuration = ViewConfiguration.get(getContext());
    mTouchSlop = configuration.getScaledTouchSlop();

    anchorHandler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            if (draggingView != null) {
                // 开始移动重心的动画
                draggingView.startAnchorAnimation();
            }
        }
    };
}
 

public DragLayout(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);

    TypedArray typedArray = context.obtainStyledAttributes(attrs, dragLayout, 0, 0);
    bottomDragVisibleHeight = (int) typedArray.getDimension(R.styleable.dragLayout_bottomDragVisibleHeight, 0);
    bottomExtraIndicatorHeight = (int) typedArray.getDimension(R.styleable.dragLayout_bottomExtraIndicatorHeight, 0);
    typedArray.recycle();

    mDragHelper = ViewDragHelper
            .create(this, 10f, new DragHelperCallback());
    mDragHelper.setEdgeTrackingEnabled(ViewDragHelper.EDGE_TOP);
    moveDetector = new GestureDetectorCompat(context, new MoveDetector());
    moveDetector.setIsLongpressEnabled(false); // 不处理长按事件

    // 滑动的距离阈值由系统提供
    ViewConfiguration configuration = ViewConfiguration.get(getContext());
    mTouchSlop = configuration.getScaledTouchSlop();
}
 

private void init(Context context, AttributeSet attrs) {
    if (attrs != null && context != null) {
        TypedArray a = context.getTheme().obtainStyledAttributes(
                attrs,
                R.styleable.SwipeRevealLayout,
                0, 0
        );

        mDragEdge = a.getInteger(R.styleable.SwipeRevealLayout_dragFromEdge, DRAG_EDGE_LEFT);
        mMode = MODE_NORMAL;
        mMinFlingVelocity = DEFAULT_MIN_FLING_VELOCITY;
        mMinDistRequestDisallowParent = DEFAULT_MIN_DIST_REQUEST_DISALLOW_PARENT;
    }

    mDragHelper = ViewDragHelper.create(this, 1.0f, mDragHelperCallback);
    mDragHelper.setEdgeTrackingEnabled(ViewDragHelper.EDGE_ALL);

    mGestureDetector = new GestureDetectorCompat(context, mGestureListener);
}
 

/**
 * 初始化参数
 */
private void initParams() {
    mDetector = new GestureDetectorCompat(this, new SimpleGestureAction());
    mStateBarH = AndroidUtils.getStatusBarHeight(this);
    mHeadH = (int) getResources().getDimension(R.dimen.game_detail_head_height);
    mBarH = (int) getResources().getDimension(R.dimen.tool_bar_height);
    mScreenH = AndroidUtils.getScreenParams(this)[1];
    mNBarH = AndroidUtils.getNavigationBarHeight(this);
    mTopL = -mHeadH + mBarH;
    mCenterL = DensityUtils.dp2px(150);
    mBottomL = mScreenH - mStateBarH - mNBarH - mHeadH + mBarH;
    mRootView = findViewById(android.R.id.content);
    //处理4.4之后状态栏
    if (AndroidVersionUtil.hasKitKat()) {
        mTemp.setVisibility(View.VISIBLE);
        mToolBar.setTranslationY(mStateBarH);
        mTemp.getLayoutParams().height = mStateBarH;
    } else {
        mTemp.setVisibility(View.GONE);
    }
}
 

public Attacher(DraweeView<GenericDraweeHierarchy> draweeView) {
    mDraweeView = new WeakReference<>(draweeView);
    draweeView.getHierarchy().setActualImageScaleType(ScalingUtils.ScaleType.FIT_CENTER);
    draweeView.setOnTouchListener(this);
    mScaleDragDetector = new ScaleDragDetector(draweeView.getContext(), this);
    mGestureDetector = new GestureDetectorCompat(draweeView.getContext(),
            new GestureDetector.SimpleOnGestureListener() {
                @Override public void onLongPress(MotionEvent e) {
                    super.onLongPress(e);
                    if (null != mLongClickListener) {
                        mLongClickListener.onLongClick(getDraweeView());
                    }
                }
            });
    mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
}
 

private void init() {
    mDetector = new GestureDetectorCompat(getContext(), this);
    mTopPadding = dp2px(mTopPadding);
    mBottomPadding = dp2px(mBottomPadding);
    mTextSize = sp2px(mTextSize);
    mVolumeHeight=dp2px(mVolumeHeight);
    mGridPaint.setColor(Color.parseColor("#353941"));
    mGridPaint.setStrokeWidth(dp2px(1));
    mTextPaint.setColor(Color.parseColor("#B1B2B6"));
    mTextPaint.setTextSize(mTextSize);
    mTextPaint.setStrokeWidth(dp2px(0.5f));
    mAvgPaint.setColor(Color.parseColor("#90A901"));
    mAvgPaint.setStrokeWidth(dp2px(0.5f));
    mAvgPaint.setTextSize(mTextSize);
    mPricePaint.setColor(Color.parseColor("#FF6600"));
    mPricePaint.setStrokeWidth(dp2px(0.5f));
    mPricePaint.setTextSize(mTextSize);
    mVolumePaintGreen.setColor(ContextCompat.getColor(getContext(), R.color.chart_green));
    mVolumePaintRed.setColor(ContextCompat.getColor(getContext(),R.color.chart_red));
    mBackgroundColor =Color.parseColor("#202326");
    mBackgroundPaint.setColor(mBackgroundColor);

    mVolumeFormatter=new BigValueFormatter();
}
 

private void init() {
    setWillNotDraw(false);
    mDetector = new GestureDetectorCompat(getContext(), this);
    mScaleDetector = new ScaleGestureDetector(getContext(), this);
    mTopPadding = (int) getResources().getDimension(R.dimen.chart_top_padding);
    mBottomPadding = (int)getResources().getDimension(R.dimen.chart_bottom_padding);

    mKChartTabView = new KChartTabView(getContext());
    addView(mKChartTabView, new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
    mKChartTabView.setOnTabSelectListener(new KChartTabView.TabSelectListener() {
        @Override
        public void onTabSelected(int type) {
            setChildDraw(type);
        }
    });

    mAnimator = ValueAnimator.ofFloat(0f, 1f);
    mAnimator.setDuration(mAnimationDuration);
    mAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            invalidate();
        }
    });
}
 

private void init(Context context, AttributeSet attrs) {
    if (attrs != null && context != null) {
        TypedArray a = context.getTheme().obtainStyledAttributes(
                attrs,
                R.styleable.SwipeRevealLayout,
                0, 0
        );

        mDragEdge = a.getInteger(R.styleable.SwipeRevealLayout_dragEdge, DRAG_EDGE_LEFT);
        mMinFlingVelocity = a.getInteger(R.styleable.SwipeRevealLayout_flingVelocity, DEFAULT_MIN_FLING_VELOCITY);
        mMode = a.getInteger(R.styleable.SwipeRevealLayout_mode, MODE_NORMAL);

        mMinDistRequestDisallowParent = a.getDimensionPixelSize(
                R.styleable.SwipeRevealLayout_minDistRequestDisallowParent,
                dpToPx(DEFAULT_MIN_DIST_REQUEST_DISALLOW_PARENT)
        );
    }

    mDragHelper = ViewDragHelper.create(this, 1.0f, mDragHelperCallback);
    mDragHelper.setEdgeTrackingEnabled(ViewDragHelper.EDGE_ALL);

    mGestureDetector = new GestureDetectorCompat(context, mGestureListener);
}
 

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    dataSource = new BookmarkDataSource(getActivity());
    dataSource.open();
    setRetainInstance(true);
    try {
        if(getArguments()!=null){
            npNameString = getArguments().getString("npName");
            catNameString = getArguments().getString("catName");
            actionBarColor = getArguments().getInt("actionBarColor");

            if (getArguments().containsKey(HEADLINE_CLICKED)) {
                mArticleHeadline = getArguments().getString(HEADLINE_CLICKED);
                mArticleURL = NewsAdapter.linkMap.get(mArticleHeadline);
                mArticlePubDate = NewsAdapter.pubDateMap.get(mArticleHeadline);
            } else {
                Crashlytics.log("Argument contains key -- "+HEADLINE_CLICKED+"--"+(getArguments().containsKey(HEADLINE_CLICKED)));
            }

        } else {
            Crashlytics.log("Get Arguments is null -- "+(null==getArguments()));
        }
    } catch (Exception e) {
        Crashlytics.log("Get Arguments is null -- "+(null==getArguments()));
        Crashlytics.log("Argument contains key -- "+HEADLINE_CLICKED+"--"+(getArguments().containsKey(HEADLINE_CLICKED)));
        Crashlytics.log("Null -- "
                +(npNameString==null)
                +(catNameString==null)
                +(actionBarColor==0)
                +(mArticleHeadline==null)
                +(mArticleURL==null)
                +(mArticlePubDate==null)
        );
    }

    mDetector = new GestureDetectorCompat(getActivity(), new MyGestureListener());
    slide_down = AnimationUtils.loadAnimation(getActivity(), R.anim.slide_down);

}
 

void initialize(NotificationHandler handler) {
    TAG += "@" + handler.toSimpleString();
    mContext = getContext();
    mNotificationHandler = handler;
    mContentViewSwitcher = new ContentViewSwitcher();
    mChildViewManager = new ChildViewManager();
    mGestureDetector = new GestureDetectorCompat(mContext, this);
    mContentBackground = new GradientDrawable();
    mDimension[0] = LayoutParams.MATCH_PARENT;
    mDimension[1] = LayoutParams.WRAP_CONTENT;
    mHideAnimationListener = mDismissAnimationListener;
    mDefaultShowAnimation = AnimationFactory.pushDownIn();
    mDefaultHideAnimation = AnimationFactory.pushUpOut();
}
 

public ScrollableImageView(Context context, @Nullable AttributeSet attrs) {
    super(context, attrs);

    DisplayMetrics dm = getResources().getDisplayMetrics();
    screenW = dm.widthPixels;
    screenH = dm.heightPixels;

    gestureDetector = new GestureDetectorCompat(context, gestureListener);
    overScroller = new OverScroller(context);
}
 

/**
 * Initializes the header and any static values
 */
private void initialize() {
    Context context = getContext();

    if (!sInitialized) {
        sInitialized = true;

        Resources resources = context.getApplicationContext().getResources();

        sCropSize = resources.getDimensionPixelSize(R.dimen.photo_crop_width);

        sCropDimPaint = new Paint();
        sCropDimPaint.setAntiAlias(true);
        sCropDimPaint.setColor(resources.getColor(R.color.photo_crop_dim_color));
        sCropDimPaint.setStyle(Style.FILL);

        sCropPaint = new Paint();
        sCropPaint.setAntiAlias(true);
        sCropPaint.setColor(resources.getColor(R.color.photo_crop_highlight_color));
        sCropPaint.setStyle(Style.STROKE);
        sCropPaint.setStrokeWidth(resources.getDimension(R.dimen.photo_crop_stroke_width));

        final ViewConfiguration configuration = ViewConfiguration.get(context);
        final int touchSlop = configuration.getScaledTouchSlop();
        sTouchSlopSquare = touchSlop * touchSlop;
    }

    mGestureDetector = new GestureDetectorCompat(context, this, null);
    mScaleGetureDetector = new ScaleGestureDetector(context, this);
    mQuickScaleEnabled = ScaleGestureDetectorCompat.isQuickScaleEnabled(mScaleGetureDetector);
    mScaleRunnable = new ScaleRunnable(this);
    mTranslateRunnable = new TranslateRunnable(this);
    mSnapRunnable = new SnapRunnable(this);
    mRotateRunnable = new RotateRunnable(this);
}
 

public SwipeItemTouchListener(Context context, GroupBasicAdapter groupBasicAdapter, RecyclerView recyclerView) {
    this.mGroupBasicAdapter = groupBasicAdapter;
    this.recyclerView = recyclerView;
    this.recyclerView.addOnScrollListener(scrollListener);
    this.layoutManager = (VirtualLayoutManager) recyclerView.getLayoutManager();
    mSwipeGestureDector = new GestureDetectorCompat(context, new SwipeGestureListener());
    mChildList = new ArrayList<>();
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mGestureDetector = new GestureDetectorCompat(this, new GestureListener());
    hideSystemUi();
}
 

private void init() {
        mDetector = new GestureDetectorCompat(getContext(), this);
        mTopPadding = dp2px(mTopPadding);
        mBottomPadding = dp2px(mBottomPadding);
        mTextSize = sp2px(mTextSize);
        mVolumeHeight = dp2px(mVolumeHeight);
        mGridPaint.setColor(ContextCompat.getColor(getContext(), R.color.chart_grid_line));//网络线颜色
        mGridPaint.setStrokeWidth(dp2px(1));
        mTextPaint.setColor(ContextCompat.getColor(getContext(), R.color.chart_text));
        mTextPaint.setTextSize(mTextSize);
        mTextPaint.setStrokeWidth(dp2px(0.5f));
//        mAvgPaint.setColor(ContextCompat.getColor(getContext(), R.color.chart_FFFFFF));
//        mAvgPaint.setStrokeWidth(dp2px(0.5f));
//        mAvgPaint.setTextSize(mTextSize);
        mPricePaint.setColor(ContextCompat.getColor(getContext(), R.color.chart_FFFFFF));
        mPricePaint.setStrokeWidth(dp2px(0.5f));
        mPricePaint.setTextSize(mTextSize);

        mTimePaint.setColor(ContextCompat.getColor(getContext(), R.color.chart_FFFFFF));
        mTimePaint.setStrokeWidth(dp2px(0.5f));
        mTimePaint.setTextSize(mTextSize);


        mVolumePaintGreen.setColor(ContextCompat.getColor(getContext(), R.color.chart_green));//阴线柱状颜色
        mVolumePaintRed.setColor(ContextCompat.getColor(getContext(), R.color.chart_red));//阳线柱状颜色
        mBackgroundColor = ContextCompat.getColor(getContext(), R.color.chart_background);
        mBackgroundPaint.setColor(mBackgroundColor);

        mVolumeFormatter = new BigValueFormatter();

        setSelectorBackgroundColor(ContextCompat.getColor(getContext(), R.color.chart_dialog_bg));
        setSelectorTextSize(sp2px(12));
        setSelectorTextColor(ContextCompat.getColor(getContext(), R.color.chart_white));
    }
 

private void initialize() {
    mContext = getContext();
    mInflater = LayoutInflater.from(mContext);
    mCenter = NotificationDelegater.getInstance().center();
    mCenter.addListener(this);
    mGestureDetector = new GestureDetectorCompat(mContext, this);
    mH = new H(this);

    mContentView = new ContentView(mContext);
    addView(mContentView,
            new FrameLayout.LayoutParams(
                mContentView.mWidth, mContentView.mHeight,
                Gravity.CENTER | Gravity.TOP));
}
 

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    mGestureDetector = new GestureDetectorCompat(getActivity(), new GestureListener());
    setRetainInstance(true);

    if ( savedInstanceState != null )
        mItems = savedInstanceState.getParcelableArrayList(STATE_ENTRIES);
}
 

public SwipeLayout(Context context, AttributeSet attrs, int defStyle) {
	super(context, attrs, defStyle);

	density = context.getResources().getDisplayMetrics().density;

	setWillNotDraw(false);

	// 初始化底部 View
	mButtomView = new ButtomView(getContext());
	mButtomView.setDirection(mDirection);

	mGestureDetectorCompat = new GestureDetectorCompat(context, onScrollDetector());
	mDragHelper = ViewDragHelper.create(this, onDragHelperCallback());
	mDragHelper.setMinVelocity(MIN_FLING_VELOCITY * density);
}
 

ClickItemTouchListener(RecyclerView hostView) {
    mGestureDetector =
            //new ItemClickGestureDetector(
            new GestureDetectorCompat(
                    hostView.getContext(),
                    new ItemClickGestureListener(hostView));
}
 

private void init() {
    gestureDetector = new GestureDetectorCompat(context, this);
    gestureDetector.setOnDoubleTapListener(this);
    scaleGestureDetector = new ScaleGestureDetector(context, this);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        scaleGestureDetector.setQuickScaleEnabled(false);
    }
}
 

@Override
public void onCreate(Bundle b) {
    super.onCreate(b);
    setContentView(R.layout.main_activity);

    mDismissOverlayView = (DismissOverlayView) findViewById(R.id.dismiss_overlay);
    mDismissOverlayView.setIntroText(R.string.intro_text);
    mDismissOverlayView.showIntroIfNecessary();
    mGestureDetector = new GestureDetectorCompat(this, new LongPressListener());
}
 

@Override
public void onCreate(Bundle savedInstanceState) {
    //  Debug.startMethodTracing("calc");
    final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
    Log.i(TAG, " max runtime mem = " + maxMemory + "k");

    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    Resources res = getResources();
    analyzerParam = new AnalyzerParameters(res);

    // Initialized preferences by default values
    PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
    // Read preferences and set corresponding variables
    loadPreferenceForView();

    analyzerViews = new AnalyzerViews(this);

    // travel Views, and attach ClickListener to the views that contain android:tag="select"
    visit((ViewGroup) analyzerViews.graphView.getRootView(), new Visit() {
      @Override
      public void exec(View view) {
        view.setOnLongClickListener(AnalyzerActivity.this);
        view.setOnClickListener(AnalyzerActivity.this);
        ((TextView) view).setFreezesText(true);
      }
    }, "select");

    rangeViewDialogC = new RangeViewDialogC(this, analyzerViews.graphView);

    mDetector = new GestureDetectorCompat(this, new AnalyzerGestureListener());
}
 

private void init() {
    gestureDetector = new GestureDetectorCompat(context, this);
    gestureDetector.setOnDoubleTapListener(this);
    scaleGestureDetector = new ScaleGestureDetector(context, this);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        scaleGestureDetector.setQuickScaleEnabled(false);
    }
}
 

private void setupView() {
  final LinearLayoutManager linearLayoutManager = new LinearLayoutManager(getActivity());
  debateListView.setLayoutManager(linearLayoutManager);
  adapter = new LatestDebateListAdapter();
  debateListView.setAdapter(adapter);
  debateListView.getItemAnimator().setChangeDuration(120);
  debateListView.addOnScrollListener(new OnScrollToLastListener() {
    private boolean loadingNextPage = false;

    @Override
    public void onScrollToLast() {
      if (loadingNextPage) {
        return;
      }
      loadingNextPage = true;
      bind(listDebates(adapter.getLastDebateId())).subscribe(adapter::addAll, throwable -> {
      }, () -> loadingNextPage = false);
    }
  });
  GestureDetectorCompat gestureDetector = new GestureDetectorCompat(getActivity(),
      new OnItemClickListener());
  debateListView.addOnItemTouchListener(new RecyclerView.SimpleOnItemTouchListener() {
    @Override
    public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
      return gestureDetector.onTouchEvent(e);
    }
  });
  pullToRefreshLayout.setOnRefreshListener(LatestDebatesFragment.this::reload);
}
 

public DragLayout(Context context, AttributeSet attrs, int defStyle) {
	super(context, attrs, defStyle);
	mDragHelper = ViewDragHelper
			.create(this, 10f, new DragHelperCallback());
	mDragHelper.setEdgeTrackingEnabled(ViewDragHelper.EDGE_BOTTOM);
	gestureDetector = new GestureDetectorCompat(context,
			new YScrollDetector());
}
 

public FloatingWindow(Context context, AVOption avOption) {
    super(context);
    this.avOption = avOption;
    avOption.videoResolution = UVideoProfile.Resolution.RATIO_4x3.ordinal(); //默认Camera预览大小写死成了4:3
    windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    initWindow();
    gestureDetector = new GestureDetectorCompat(context, new GestureListener());
    scaleDetector = new ScaleGestureDetector(context, new ScaleListener());
    addCameraSessionListener(cameraSessionListener);
    setOnTouchListener(this);
    init(avOption);
}