图片文字组合控件，可以灵活的控制图片大小

class TextImageView : AppCompatTextView {private var mStartWidth: Int = 0private var mStartHeight: Int = 0private var mTopWidth: Int = 0private var mTopHeight: Int = 0private var mEndWidth: Int = 0private var mEndHeight: Int = 0private var mBottomWidth: Int = 0private var mBottomHeight: Int = 0constructor(context: Context) : super(context) {}constructor(context: Context, attrs: AttributeSet) : super(context, attrs) {init(context, attrs)}constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) {init(context, attrs)}fun init(context: Context, attrs: AttributeSet) {val typedArray = context.obtainStyledAttributes(attrs, R.styleable.TextImageView)mStartWidth = typedArray.getDimensionPixelOffset(R.styleable.TextImageView_drawableStartWidth, 0)mStartHeight = typedArray.getDimensionPixelOffset(R.styleable.TextImageView_drawableStartHeight, 0)mTopWidth = typedArray.getDimensionPixelOffset(R.styleable.TextImageView_drawableTopWidth, 0)mTopHeight = typedArray.getDimensionPixelOffset(R.styleable.TextImageView_drawableTopHeight, 0)mEndWidth = typedArray.getDimensionPixelOffset(R.styleable.TextImageView_drawableEndWidth, 0)mEndHeight = typedArray.getDimensionPixelOffset(R.styleable.TextImageView_drawableEndHeight, 0)mBottomWidth = typedArray.getDimensionPixelOffset(R.styleable.TextImageView_drawableBottomWidth, 0)mBottomHeight = typedArray.getDimensionPixelOffset(R.styleable.TextImageView_drawableBottomHeight, 0)typedArray.recycle()setDrawablesSize()}private fun setDrawablesSize() {val compoundDrawables = compoundDrawablesRelativefor (i in compoundDrawables.indices) {when (i) {0 -> setDrawableBounds(compoundDrawables[0], mStartWidth, mStartHeight)1 -> setDrawableBounds(compoundDrawables[1], mTopWidth, mTopHeight)2 -> setDrawableBounds(compoundDrawables[2], mEndWidth, mEndHeight)3 -> setDrawableBounds(compoundDrawables[3], mBottomWidth, mBottomHeight)else -> {}}}setCompoundDrawablesRelative(compoundDrawables[0],compoundDrawables[1],compoundDrawables[2],compoundDrawables[3])}private fun setDrawableBounds(drawable: Drawable?, width: Int, height: Int) {if (drawable != null) {drawable.setBounds(0, 0, width, height)if (width == 0 || height == 0) {val scale = drawable.intrinsicHeight.toDouble() / drawable.intrinsicWidth.toDouble()val bounds = drawable.bounds//高宽只给一个值时，自适应if (width == 0 && height != 0) {bounds.right = (bounds.bottom / scale) as Intdrawable.bounds = bounds}if (width != 0 && height == 0) {bounds.bottom = (bounds.right * scale) as Intdrawable.bounds = bounds}}}}
}

    <declare-styleable name="TextImageView"><attr name="drawableStartWidth" format="dimension"/><attr name="drawableStartHeight" format="dimension"/><attr name="drawableTopWidth" format="dimension"/><attr name="drawableTopHeight" format="dimension"/><attr name="drawableEndWidth" format="dimension"/><attr name="drawableEndHeight" format="dimension"/><attr name="drawableBottomWidth" format="dimension"/><attr name="drawableBottomHeight" format="dimension"/></declare-styleable>