전환 애니메이션이 있는 축소 축소 레이아웃 축소 ExpandLayout

ExpandLayout

간단한 소개

    /**
     *       
     */
    private void animateToggle(long animationDuration) {
        ValueAnimator heightAnimation = isExpand ?
                ValueAnimator.ofFloat(0f, viewHeight) : ValueAnimator.ofFloat(viewHeight, 0f);
        heightAnimation.setDuration(animationDuration / 2);
        heightAnimation.setStartDelay(animationDuration / 2);

        heightAnimation.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                float val = (float) animation.getAnimatedValue();
                setViewHeight(layoutView, (int) val);
            }
        });

        heightAnimation.start();
    }

효과 미리 보기

사용

 <com.seselin.View.ExpandLayout
        android:id="@+id/expandLayout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="#FFFF00"
        android:clickable="true">

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:padding="15dp"
            android:text="          " />

    com.seselin.View.ExpandLayout>

    private ExpandLayout mExpandLayout;

    public void initExpandView() {
        mExpandLayout = (ExpandLayout) findViewById(R.id.expandLayout);
        mExpandLayout.initExpand(false);//       ，    
        button.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                mExpandLayout.toggleExpand();
            }
        });
    }