Java RotateGestureDetector类代码示例

import com.almeros.android.multitouch.RotateGestureDetector; //导入依赖的package包/类
private void init(@NonNull Context context) {
    // I fucking love Android
    setWillNotDraw(false);

    selectedLayerPaint = new Paint();
    selectedLayerPaint.setAlpha((int) (255 * Constants.SELECTED_LAYER_ALPHA));
    selectedLayerPaint.setAntiAlias(true);

    // init listeners
    this.scaleGestureDetector = new ScaleGestureDetector(context, new ScaleListener());
    this.rotateGestureDetector = new RotateGestureDetector(context, new RotateListener());
    this.moveGestureDetector = new MoveGestureDetector(context, new MoveListener());
    this.gestureDetectorCompat = new GestureDetectorCompat(context, new TapsListener());

    setOnTouchListener(onTouchListener);

    updateUI();
}
 

import com.almeros.android.multitouch.RotateGestureDetector; //导入依赖的package包/类
@Override
public boolean onRotate(RotateGestureDetector detector) {
    if (selectedEntity != null) {
        selectedEntity.getLayer().postRotate(-detector.getRotationDegreesDelta());
        updateUI();
    }
    return true;
}
 

import com.almeros.android.multitouch.RotateGestureDetector; //导入依赖的package包/类
@SuppressWarnings("deprecation")
@Override
public void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.main);

	// Determine the center of the screen to center 'earth'
	Display display = getWindowManager().getDefaultDisplay();
	mFocusX = display.getWidth()/2f;
	mFocusY = display.getHeight()/2f;
	
	// Set this class as touchListener to the ImageView
	ImageView view = (ImageView) findViewById(R.id.imageView);
	view.setOnTouchListener(this);
	
	// Determine dimensions of 'earth' image
	Drawable d 		= this.getResources().getDrawable(R.drawable.earth);
	mImageHeight 	= d.getIntrinsicHeight();
	mImageWidth 	= d.getIntrinsicWidth();

	// View is scaled and translated by matrix, so scale and translate initially
       float scaledImageCenterX = (mImageWidth*mScaleFactor)/2; 
       float scaledImageCenterY = (mImageHeight*mScaleFactor)/2;
       
	mMatrix.postScale(mScaleFactor, mScaleFactor);
	mMatrix.postTranslate(mFocusX - scaledImageCenterX, mFocusY - scaledImageCenterY);
	view.setImageMatrix(mMatrix);

	// Setup Gesture Detectors
	mScaleDetector 	= new ScaleGestureDetector(getApplicationContext(), new ScaleListener());
	mRotateDetector = new RotateGestureDetector(getApplicationContext(), new RotateListener());
	mMoveDetector 	= new MoveGestureDetector(getApplicationContext(), new MoveListener());
	mShoveDetector 	= new ShoveGestureDetector(getApplicationContext(), new ShoveListener());
}
 

import com.almeros.android.multitouch.RotateGestureDetector; //导入依赖的package包/类
public PhotoViewAttacher(ImageView imageView, boolean zoomable) {
    mImageView = new WeakReference<>(imageView);

    imageView.setDrawingCacheEnabled(true);
    imageView.setOnTouchListener(this);

    ViewTreeObserver observer = imageView.getViewTreeObserver();
    if (null != observer)
        observer.addOnGlobalLayoutListener(this);

    // Make sure we using MATRIX Scale Type
    setImageViewScaleTypeMatrix(imageView);

    if (imageView.isInEditMode()) {
        return;
    }
    // Create Gesture Detectors...
    mScaleDragDetector = VersionedGestureDetector.newInstance(
            imageView.getContext(), this);

    mGestureDetector = new GestureDetector(imageView.getContext(),
            new GestureDetector.SimpleOnGestureListener() {

                // forward long click listener
                @Override
                public void onLongPress(MotionEvent e) {
                    if (null != mLongClickListener) {
                        mLongClickListener.onLongClick(getImageView());
                    }
                }
            });

    mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));

    mRotateGestureDetector = new RotateGestureDetector(imageView.getContext(), this);

    // Finally, update the UI so that we're zoomable
    setZoomable(zoomable);
}
 

import com.almeros.android.multitouch.RotateGestureDetector; //导入依赖的package包/类
@Override
public boolean onRotate(RotateGestureDetector detector) {
    float deltaRotate = -detector.getRotationDegreesDelta();
    mOnceRotate += deltaRotate;

    if (mIsRotate || (!mIsScale && Math.abs(mOnceRotate) > 5)) {
        mIsRotate = true;
        mRotate += deltaRotate;
        mSuppMatrix.postRotate(deltaRotate, mFocusX, mFocusY);
        checkAndDisplayMatrix();
    }

    return true;
}
 

import com.almeros.android.multitouch.RotateGestureDetector; //导入依赖的package包/类
@Override
public void onRotateEnd(RotateGestureDetector detector) {
    ImageView imageView = getImageView();
    if (imageView != null) {
        mStopRotate = getNewStopRotate(mRotate, mStopRotate);
        imageView.post(new RotateRunnable(mRotate, mStopRotate));
    }
}
 

import com.almeros.android.multitouch.RotateGestureDetector; //导入依赖的package包/类
@Override
public boolean onRotate(RotateGestureDetector detector) {

    if (mPhotoView != null) {
        float degree = detector.getRotationDegreesDelta();
        mPhotoView.setRotation(-degree + rotate);
    }
    return false;
}
 

import com.almeros.android.multitouch.RotateGestureDetector; //导入依赖的package包/类
@Override
public boolean onRotateBegin(RotateGestureDetector detector) {
    mDraggableLayout.setDraggable(false);
    if (getActivity() != null) {
        ((MainActivity) getActivity()).setPagingEnabled(false);
    }
    //rotate = mDataSource.getRotate(mUri);
    return true;
}
 

import com.almeros.android.multitouch.RotateGestureDetector; //导入依赖的package包/类
@Override
public void onRotateEnd(RotateGestureDetector detector) {
    if (mPhotoView != null) {
        // set rotation and save state
        float degree = -detector.getRotationDegreesDelta() + rotate;

        int n = Math.round(degree / 90);
        n = n % 4;
        if (n < 0) {
            n += 4;
        }
        switch (n) {
            case 0:
                mPhotoView.setRotation(0);
                break;
            case 1:
                mPhotoView.setRotation(90);
                break;
            case 2:
                mPhotoView.setRotation(180);
                break;
            case 3:
                mPhotoView.setRotation(270);
                break;
        }
        //mDataSource.setRotate(mUri, (int) mPhotoView.getRotation());
        rotate = 0;
    }

    mDraggableLayout.setDraggable(true);

    if (getActivity() != null) {
        ((MainActivity) getActivity()).setPagingEnabled(true);
    }
}
 

import com.almeros.android.multitouch.RotateGestureDetector; //导入依赖的package包/类
@Override
public boolean onRotate(RotateGestureDetector detector) {
    float delta = detector.getRotationDegreesDelta();
    currentDelta += delta;
    float newAngle = firstAngle - currentDelta;
    mapView.setMapOrientation(newAngle);

    // If a listener has been set, callback
    OnMapOrientationChangeListener l = mapView.getOnMapOrientationChangeListener();
    if (l != null) {
        l.onMapOrientationChange(newAngle);
    }
    return true;
}
 

import com.almeros.android.multitouch.RotateGestureDetector; //导入依赖的package包/类
@Override
public boolean onRotate(RotateGestureDetector detector) {
	mRotationDegrees -= detector.getRotationDegreesDelta();
	return true;
}
 

import com.almeros.android.multitouch.RotateGestureDetector; //导入依赖的package包/类
@Override
public boolean onRotateBegin(RotateGestureDetector detector) {
    mOnceRotate = 0;
    mIsRotate = false;
    return true;
}
 

import com.almeros.android.multitouch.RotateGestureDetector; //导入依赖的package包/类
@Override
public boolean onRotateBegin(RotateGestureDetector detector) {
    firstAngle = mapView.getMapOrientation();
    currentDelta = 0;
    return true;
}
 

import com.almeros.android.multitouch.RotateGestureDetector; //导入依赖的package包/类
@Override
public void onRotateEnd(RotateGestureDetector detector) {

}