Example usage for android.view View measure

List of usage examples for android.view View measure

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Introduction

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

Prototype

public final void measure(int widthMeasureSpec, int heightMeasureSpec)

Source Link

Document

This is called to find out how big a view should be.

Usage

From source file:Main.java

public static Bitmap getBitmapFromView(View paramView) {
    paramView.destroyDrawingCache();/*from w  w  w  .ja  v a  2s.  c  om*/
    paramView.measure(View.MeasureSpec.makeMeasureSpec(0, 0), View.MeasureSpec.makeMeasureSpec(0, 0));
    paramView.layout(0, 0, paramView.getMeasuredWidth(), paramView.getMeasuredHeight());
    paramView.setDrawingCacheEnabled(true);
    return paramView.getDrawingCache(true);
}

From source file:Main.java

public static Bitmap convertViewToBitmap(View v) {
    v.setDrawingCacheEnabled(true);//from  w  w  w . ja  v  a 2 s . c o m
    v.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED),
            View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
    v.layout(0, 0, v.getMeasuredWidth(), v.getMeasuredHeight());

    v.buildDrawingCache(true);
    Bitmap b = Bitmap.createBitmap(v.getDrawingCache());
    v.setDrawingCacheEnabled(false); // clear drawing cache
    return b;
}

From source file:Main.java

public static void expand(final View v) {
    v.measure(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
    final int targtetHeight = v.getMeasuredHeight();

    v.getLayoutParams().height = 0;//  www.  j  a v a2s  .  c  o m
    v.setVisibility(View.VISIBLE);
    Animation a = new Animation() {
        @Override
        protected void applyTransformation(float interpolatedTime, Transformation t) {
            v.getLayoutParams().height = interpolatedTime == 1 ? LayoutParams.WRAP_CONTENT
                    : (int) (targtetHeight * 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) {
    v.measure(ViewGroup.LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
    final int targtetHeight = v.getMeasuredHeight();

    v.getLayoutParams().height = 0;// ww w.  j  a  v  a  2  s .  c om
    v.setVisibility(View.VISIBLE);
    Animation a = new Animation() {
        @Override
        protected void applyTransformation(float interpolatedTime, Transformation t) {
            v.getLayoutParams().height = interpolatedTime == 1 ? LayoutParams.WRAP_CONTENT
                    : (int) (targtetHeight * interpolatedTime);
            v.requestLayout();
        }

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

    // 1dp/ms
    a.setDuration(1000);

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

From source file:Main.java

public static void expand(final View v, int beHeight) {
    v.measure(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);

    v.getLayoutParams().height = 0;//from  w w w. j  a va 2 s.com
    v.setVisibility(View.VISIBLE);
    Animation a = new Animation() {
        @Override
        protected void applyTransformation(float interpolatedTime, Transformation t) {
            v.getLayoutParams().height = 350;
            v.requestLayout();
        }

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

    // 1dp/ms
    a.setDuration(500);
    v.startAnimation(a);
}

From source file:Main.java

public static Bitmap getViewBitmap(View view) {
    view.setDrawingCacheEnabled(true);/*from  w w  w  . ja  va 2  s  . c  o m*/
    view.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
            MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
    view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
    view.buildDrawingCache(true);
    Bitmap bm = Bitmap.createBitmap(view.getDrawingCache());
    view.setDrawingCacheEnabled(false);
    return bm;
}

From source file:Main.java

public static void expand(final View drawer) {
    drawer.measure(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
    final int targetHeight = drawer.getMeasuredHeight();

    //make the height of the draw 0px
    drawer.getLayoutParams().height = 0;
    //make it visible (no blink will occur since view has no height)
    drawer.setVisibility(View.VISIBLE);
    Animation anim = new Animation() {
        @Override//w ww. j a  v  a  2 s  .c  o  m
        protected void applyTransformation(float interpolatedTime, Transformation t) {
            //1 means animation has completed
            drawer.getLayoutParams().height = interpolatedTime == 1 ? LinearLayout.LayoutParams.WRAP_CONTENT
                    //else height is a fraction of time remaining
                    : (int) (targetHeight * interpolatedTime);
            //force layout invalidation
            drawer.requestLayout();
        }

        @Override
        public boolean willChangeBounds() {
            //return true since it will change bounds of view being animated
            return true;
        }
    };

    anim.setDuration(ANIMATION_DURATION_SHORT);
    drawer.startAnimation(anim);
}

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;/*from  w  w  w.j ava  2 s.  com*/
    v.setVisibility(View.VISIBLE);
    Animation a = new Animation() {
        @Override
        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 setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        return;/*  ww  w. java  2  s . c om*/
    }
    int totalHeight = 0;
    for (int i = 0; i < listAdapter.getCount(); i++) {
        View listItem = listAdapter.getView(i, null, listView);
        listItem.measure(0, 0);
        totalHeight += listItem.getMeasuredHeight();
    }

    ViewGroup.LayoutParams params = listView.getLayoutParams();
    params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1)) + 40;
    listView.setLayoutParams(params);
}

From source file:Main.java

public static void setListViewHeight(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        return;/*  w  w w  .  j a  va  2s .c  o m*/
    }
    int totalHeight = 0;
    for (int i = 0, len = listAdapter.getCount(); i < len; i++) {
        View listItem = listAdapter.getView(i, null, listView);
        listItem.measure(0, 0);
        totalHeight += listItem.getMeasuredHeight();
    }
    ViewGroup.LayoutParams params = listView.getLayoutParams();
    params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1));
    listView.setLayoutParams(params);
}