Java View.getTranslationX方法代码示例

import android.view.View; //导入方法依赖的package包/类
private void doPullOverAnimation(final View v) {
    ObjectAnimator animator;
    if (v.getTranslationX() + v.getWidth() / 2 + v.getLeft() > parentViewWidth / 2) {
        animator = ObjectAnimator.ofFloat(v, "translationX",
                v.getTranslationX(), parentViewWidth - v.getWidth()
                        - v.getLeft() - rightMargin - mAdjuster.right);
        mTransitionX = parentViewWidth - v.getWidth() - v.getLeft() - rightMargin - mAdjuster.right;
    } else {
        animator = ObjectAnimator.ofFloat(v, "translationX",
                v.getTranslationX(), -v.getLeft() + leftMargin + mAdjuster.left);
        mTransitionX = -v.getLeft() + leftMargin + mAdjuster.left;
    }

    mTransitionY = (int) v.getTranslationY();
    animator.setDuration(200);
    animator.start();
}
 

import android.view.View; //导入方法依赖的package包/类
@Override public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) {
    for (int i = 0; i < parent.getChildCount(); i++) {
        View child = parent.getChildAt(i);
        if (!isHeader(child, parent)) continue;

        RecyclerView.LayoutManager lm = parent.getLayoutManager();

        float top = lm.getDecoratedTop(child) + child.getTranslationY();
        float bottom = lm.getDecoratedBottom(child) + child.getTranslationY();
        if (i == parent.getChildCount() - 1) {
            // Draw to bottom if last item
            bottom = Math.max(parent.getHeight(), bottom);
        }
        float right = lm.getDecoratedRight(child) + child.getTranslationX();
        float left = lm.getDecoratedLeft(child) + child.getTranslationX();
        c.drawRect(left, top, right, bottom, paint);
    }
}
 

import android.view.View; //导入方法依赖的package包/类
private float getValue(int propertyConstant) {
    View v = (View) this.mView.get();
    if (v != null) {
        switch (propertyConstant) {
            case 1:
                return v.getTranslationX();
            case 2:
                return v.getTranslationY();
            case 4:
                return v.getScaleX();
            case 8:
                return v.getScaleY();
            case 16:
                return v.getRotation();
            case 32:
                return v.getRotationX();
            case 64:
                return v.getRotationY();
            case 128:
                return v.getX();
            case 256:
                return v.getY();
            case 512:
                return v.getAlpha();
        }
    }
    return 0.0f;
}
 

import android.view.View; //导入方法依赖的package包/类
double getDistance() {
    View view = getChildAt(0);

    float left = view.getTranslationX();
    float top = view.getTranslationY();
    float width = view.getWidth();
    float height = view.getHeight();
    float w = width / 2;
    float h = height / 2;
    float x = left + w;
    float y = top + h;

    double sqrt = Math.sqrt((x - w) * (x - w) + (y - h) * (y - h));
    return sqrt;

}
 

import android.view.View; //导入方法依赖的package包/类
public static void startAnimators(final View view, int startOffsetX, int startOffsetY, long delay) {
    if (view.getVisibility() == View.VISIBLE && view.getAlpha() != 0f) {
        view.clearAnimation();
        view.animate().cancel();
        final Resources res = view.getResources();
        final float endAlpha = view.getAlpha();
        final float endTranslateX = view.getTranslationX();
        final float endTranslateY = view.getTranslationY();
        view.setAlpha(0);
        final Animator fade = ObjectAnimator.ofFloat(view, View.ALPHA, endAlpha);
        fade.setDuration(res.getInteger(R.integer.material_in_fade_anim_duration));
        fade.setInterpolator(new AccelerateInterpolator());
        fade.setStartDelay(delay);
        fade.start();
        ViewPropertyAnimator slide = view.animate();
        if (startOffsetY != 0) {
            view.setTranslationY(startOffsetY);
            slide.translationY(endTranslateY);
        } else {
            view.setTranslationX(startOffsetX);
            slide.translationX(endTranslateX);
        }
        slide.setInterpolator(new DecelerateInterpolator(2));
        slide.setDuration(res.getInteger(R.integer.material_in_slide_anim_duration));
        slide.setStartDelay(delay);
        slide.setListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationCancel(Animator animation) {
                if (fade.isStarted()) {
                    fade.cancel();
                }
                view.setAlpha(endAlpha);
                view.setTranslationX(endTranslateX);
                view.setTranslationY(endTranslateY);
            }
        });
        slide.start();
    }
}
 

import android.view.View; //导入方法依赖的package包/类
protected Path createArcPath(View view, float endX, float endY, float radius){
    Path arcPath=new Path();
    float startX=view.getTranslationX();
    float startY=view.getTranslationY();
    float midX = startX + ((endX - startX) / 2);
    float midY = startY + ((endY - startY) / 2);
    float xDiff = midX - startX;
    float yDiff = midY - startY;

    double angle = (Math.atan2(yDiff, xDiff) * (180 / Math.PI)) - 90;
    double angleRadians = Math.toRadians(angle);

    float pointX = (float) (midX + radius * Math.cos(angleRadians));
    float pointY = (float) (midY + radius * Math.sin(angleRadians));

    arcPath.moveTo(startX, startY);
    arcPath.cubicTo(startX,startY,pointX,pointY, endX, endY);
    return arcPath;
}
 

import android.view.View; //导入方法依赖的package包/类
/**
 * This method gets the value of the named property from the View object.
 *
 * @param propertyConstant The property whose value should be returned
 * @return float The value of the named property
 */
private float getValue(int propertyConstant) {
    //final View.TransformationInfo info = mView.mTransformationInfo;
    View v = mView.get();
    if (v != null) {
        switch (propertyConstant) {
            case TRANSLATION_X:
                //return info.mTranslationX;
                return v.getTranslationX();
            case TRANSLATION_Y:
                //return info.mTranslationY;
                return v.getTranslationY();
            case ROTATION:
                //return info.mRotation;
                return v.getRotation();
            case ROTATION_X:
                //return info.mRotationX;
                return v.getRotationX();
            case ROTATION_Y:
                //return info.mRotationY;
                return v.getRotationY();
            case SCALE_X:
                //return info.mScaleX;
                return v.getScaleX();
            case SCALE_Y:
                //return info.mScaleY;
                return v.getScaleY();
            case X:
                //return v.mLeft + info.mTranslationX;
                return v.getX();
            case Y:
                //return v.mTop + info.mTranslationY;
                return v.getY();
            case ALPHA:
                //return info.mAlpha;
                return v.getAlpha();
        }
    }
    return 0;
}
 

import android.view.View; //导入方法依赖的package包/类
public static float getTranslationX(View view) {
    if (View10.NEED_PROXY) {
        return View10.wrap(view).getTranslationX();
    } else {
        return view.getTranslationX();
    }
}
 

import android.view.View; //导入方法依赖的package包/类
private int supportGetTranslationX(View v) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
        return (int) v.getTranslationX();
    }

    return 0;
}
 

import android.view.View; //导入方法依赖的package包/类
public static int getLeft(View v) {
    if (MenuDrawer.USE_TRANSLATIONS) {
        return (int) (v.getLeft() + v.getTranslationX());
    }

    return v.getLeft();
}
 

import android.view.View; //导入方法依赖的package包/类
@Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        View view = getChildAt(0);
        float width = view.getWidth();
        float height = view.getHeight();
        int left1 = view.getLeft();
        int top1 = view.getTop();
        float w = left1+width / 2;
        float h = top1+height / 2;
        float x = left1 +view.getTranslationX()+ width / 2;
        float y = top1 +view.getTranslationY()+ height / 2;
        path.reset();


        //移动点
        canvas.drawCircle(x, y, RADIUS_MOVE, paint);


        double sqrt = Math.sqrt((x - w) * (x - w) + (y - h) * (y - h));


        if (sqrt >= DISTANCE || isLeave) {
            doLeave();
            return;
        }
        float p = (float) ((OUTLENGTH - sqrt) / OUTLENGTH);


        float radius = ORGINLENGTH * p;
        canvas.drawCircle(w, h, radius, paint);
//        Log.i(TAG, "draw: " + sqrt);
        double cose = (x - w) / sqrt;
        double sine = (y - h) / sqrt;


        double dy = RADIUS_MOVE * cose;
        double dx = RADIUS_MOVE * sine;
        double dy1 = radius * cose;
        double dx1 = radius * sine;


        float x1 = (float) (w - dx1);
        float y1 = (float) (h + dy1);

        float x4 = (float) (w + dx1);
        float y4 = (float) (h - dy1);


        float x2 = (float) (x - dx);
        float y2 = (float) (y + dy);

        float x3 = (float) (x + dx);
        float y3 = (float) (y - dy);


        float xx = w + (x - w) / 2;
        float yy = h + (y - h) / 2;

        path.moveTo(x1, y1);
        path.quadTo(xx, yy, x2, y2);

        path.lineTo(x3, y3);
        path.quadTo(xx, yy, x4, y4);
        path.close();

        canvas.drawPath(path, paint);

//        canvas.drawCircle(x1, y1, 15, paint1);
//        canvas.drawCircle(x2, y2, 15, paint1);
//        canvas.drawCircle(x3, y3, 15, paint2);
//        canvas.drawCircle(x4, y4, 15, paint2);
//        canvas.drawCircle(xx, yy, 15, paint2);
    }
 

import android.view.View; //导入方法依赖的package包/类
private void updateChildrenPosition() {
    updateTargetViewLocation();
    for (View child : mChildren) {
        if (mTargetLocation[0] == child.getTranslationX()
                && mTargetLocation[1] == child.getTranslationY())
            break;
        child.setTranslationX(mTargetLocation[0]);
        child.setTranslationY(mTargetLocation[1]);
        child.requestLayout();
    }
}
 

import android.view.View; //导入方法依赖的package包/类
@SuppressLint("NewApi")
static int getRight(View v) {
    return (int) (v.getRight() + v.getTranslationX());
}
 

import android.view.View; //导入方法依赖的package包/类
public static float getTranslationX(View view) {
    return view.getTranslationX();
}
 

import android.view.View; //导入方法依赖的package包/类
@SuppressLint("NewApi")
static int getLeft(View v) {
    return (int) (v.getLeft() + v.getTranslationX());
}