Example usage for android.view View getLayoutParams

List of usage examples for android.view View getLayoutParams

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Introduction

In this page you can find the example usage for android.view View getLayoutParams.

Prototype

@ViewDebug.ExportedProperty(deepExport = true, prefix = "layout_")
public ViewGroup.LayoutParams getLayoutParams()

Source Link

Document

Get the LayoutParams associated with this view.

Usage

From source file:Main.java

public static void collapse(final View v) {
    final int initialHeight = v.getMeasuredHeight();
    Animation a = new Animation() {
        @Override//w  w  w.  java  2  s.  c om
        protected void applyTransformation(float interpolatedTime, Transformation t) {
            if (interpolatedTime == 1) {
                v.setVisibility(View.GONE);
            } else {
                v.getLayoutParams().height = initialHeight - (int) (initialHeight * interpolatedTime);
                v.requestLayout();
            }
        }

        @Override
        public boolean willChangeBounds() {
            return true;
        }
    };

    a.setDuration(300);
    v.startAnimation(a);
}

From source file:Main.java

public static void expand(final View v, Activity activity) {
    v.measure(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
    Resources r = activity.getResources();
    final float px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 200, r.getDisplayMetrics());
    final int targtetHeight = (int) px;//200;//v.getMeasuredHeight();

    v.getLayoutParams().height = 0;
    v.setVisibility(View.VISIBLE);
    Animation a = new Animation() {
        @Override//from  www  . j a va  2s. c  o  m
        protected void applyTransformation(float interpolatedTime, Transformation t) {
            v.getLayoutParams().height = interpolatedTime == 1 ? ((int) px)//200//ViewGroup.LayoutParams.WRAP_CONTENT
                    : (int) (targtetHeight * interpolatedTime);
            v.requestLayout();
        }

        @Override
        public boolean willChangeBounds() {
            return true;
        }
    };

    a.setDuration((int) (targtetHeight / v.getContext().getResources().getDisplayMetrics().density));
    v.startAnimation(a);
}

From source file:Main.java

public static void expand(final View v, boolean isHalf) {
    v.measure(RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
    targetHeight = v.getMeasuredHeight();

    if (isHalf) {
        targetHeight = targetHeight / 2;
    }/*from w  w  w.j a  v a 2  s .c om*/

    // Older versions of android (pre API 21) cancel animations for views with a height of 0.
    v.getLayoutParams().height = 1;
    v.setVisibility(View.VISIBLE);
    Animation a = new Animation() {
        @Override
        protected void applyTransformation(float interpolatedTime, Transformation t) {
            v.getLayoutParams().height = interpolatedTime == 1 ? RelativeLayout.LayoutParams.WRAP_CONTENT
                    : (int) (targetHeight * interpolatedTime);
            v.requestLayout();
        }

        @Override
        public boolean willChangeBounds() {
            return true;
        }
    };

    // 1dp/ms
    a.setDuration((int) (targetHeight / v.getContext().getResources().getDisplayMetrics().density));
    v.startAnimation(a);
}

From source file:Main.java

public static Animation getCollapseViewAnimation(final View view, int duration) {
    final int initialHeight = view.getMeasuredHeight();

    Animation animation = new Animation() {
        @Override//from w w  w  .  jav  a  2  s . c  o m
        protected void applyTransformation(float interpolatedTime, Transformation t) {
            if (interpolatedTime == 1) {
                view.setVisibility(View.GONE);
            } else {
                view.getLayoutParams().height = initialHeight - (int) (initialHeight * interpolatedTime);
                view.requestLayout();
            }
        }

        @Override
        public boolean willChangeBounds() {
            return true;
        }
    };

    animation.setDuration(duration);
    return animation;
}

From source file:Main.java

private static ValueAnimator slideAnimator(int start, int end, final View summary) {
    ValueAnimator animator = ValueAnimator.ofInt(start, end);
    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override/*  w  w w  .  j av a2 s  . c o  m*/
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            //Update Height
            int value = (Integer) valueAnimator.getAnimatedValue();

            ViewGroup.LayoutParams layoutParams = summary.getLayoutParams();
            layoutParams.height = value;
            summary.setLayoutParams(layoutParams);
        }
    });
    return animator;
}

From source file:Main.java

public static void expand(final View v, final int targetHeight, int duration, Interpolator interpolator,
        final Animation.AnimationListener listener) {
    final int initialHeight = v.getMeasuredHeight();
    Animation a = new Animation() {
        @Override/*from  w  w w  . j  a  v  a  2  s. c  o  m*/
        protected void applyTransformation(float interpolatedTime, Transformation t) {
            v.getLayoutParams().height = initialHeight + (int) (targetHeight * interpolatedTime);
            v.requestLayout();
        }

        @Override
        public boolean willChangeBounds() {
            return true;
        }
    };
    a.setDuration(duration);
    if (interpolator != null) {
        a.setInterpolator(interpolator);
    }
    a.setAnimationListener(new Animation.AnimationListener() {
        @Override
        public void onAnimationStart(Animation animation) {
            v.setLayerType(View.LAYER_TYPE_HARDWARE, null);
            if (listener != null)
                listener.onAnimationStart(animation);
        }

        @Override
        public void onAnimationEnd(Animation animation) {
            v.setLayerType(View.LAYER_TYPE_NONE, null);
            if (listener != null)
                listener.onAnimationEnd(animation);
        }

        @Override
        public void onAnimationRepeat(Animation animation) {
            if (listener != null)
                onAnimationRepeat(animation);
        }
    });

    v.startAnimation(a);
}

From source file:Main.java

public static void animateHeight(final View view, int from, int to, int duration) {
    boolean expanding = to > from;

    ValueAnimator anim = ValueAnimator.ofInt(from, to);
    anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override/*from w w  w.  j av  a  2  s.  c o m*/
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            int val = (Integer) valueAnimator.getAnimatedValue();
            ViewGroup.LayoutParams layoutParams = view.getLayoutParams();
            layoutParams.height = val;
            view.setLayoutParams(layoutParams);
        }
    });
    anim.setDuration(duration);
    anim.start();

    view.animate().alpha(expanding ? 1 : 0).setDuration(duration / 2).start();
}

From source file:Main.java

public static void collapse(final View v, int duration) {

    //check if view already gone
    if (v.getVisibility() == View.GONE)
        return;/*ww  w .  j  av a2  s.com*/

    final int initialHeight = v.getMeasuredHeight();

    Animation a = new Animation() {
        @Override
        protected void applyTransformation(float interpolatedTime, Transformation t) {
            if (interpolatedTime == 1) {
                v.setVisibility(View.GONE);
            } else {
                v.getLayoutParams().height = initialHeight - (int) (initialHeight * interpolatedTime);
                v.requestLayout();
            }
        }

        @Override
        public boolean willChangeBounds() {
            return true;
        }
    };

    a.setDuration(duration);
    v.startAnimation(a);
}

From source file:Main.java

public static void collapse(final View v, boolean isHalf) {
    final int initialHeight = v.getMeasuredHeight();

    remainHeigt = 0;/* ww  w.j  a v a  2  s .c o  m*/
    if (isHalf) {
        remainHeigt = initialHeight / 2;
    } else {
        remainHeigt = initialHeight;
    }

    Animation a = new Animation() {
        @Override
        protected void applyTransformation(float interpolatedTime, Transformation t) {
            if (interpolatedTime == 1) {
                v.setVisibility(View.GONE);
            } else {
                v.getLayoutParams().height = initialHeight - (int) (remainHeigt * interpolatedTime);
                v.requestLayout();
            }
        }

        @Override
        public boolean willChangeBounds() {
            return true;
        }
    };

    // 1dp/ms
    a.setDuration((int) (initialHeight / v.getContext().getResources().getDisplayMetrics().density));
    v.startAnimation(a);
}

From source file:Main.java

public static Animation collapse(final View v, int duration, boolean startAnim) {

    //check if view already gone
    if (v.getVisibility() == View.GONE)
        return null;

    final int initialHeight = v.getMeasuredHeight();

    Animation a = new Animation() {
        @Override/*from   w  w w  .  ja  v a 2  s . c  o  m*/
        protected void applyTransformation(float interpolatedTime, Transformation t) {
            if (interpolatedTime == 1) {
                v.setVisibility(View.GONE);
            } else {
                v.getLayoutParams().height = initialHeight - (int) (initialHeight * interpolatedTime);
                v.requestLayout();
            }
        }

        @Override
        public boolean willChangeBounds() {
            return true;
        }
    };

    a.setDuration(duration);
    if (startAnim)
        v.startAnimation(a);
    return a;
}