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Forked from hrules6872/TextViewDrawableSize.java
Created September 23, 2020 12:05
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TextViewDrawableSize - CompoundDrawable size
<resources>
<declare-styleable name="TextViewDrawableSize">
<attr name="compoundDrawableWidth" format="dimension"/>
<attr name="compoundDrawableHeight" format="dimension"/>
</declare-styleable>
</resources>
public class TextViewDrawableSize extends TextView {
private static final int DEFAULT_COMPOUND_DRAWABLE_SIZE = -1;
private int compoundDrawableWidth;
private int compoundDrawableHeight;
public TextViewDrawableSize(Context context) {
this(context, null);
}
public TextViewDrawableSize(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public TextViewDrawableSize(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(context, attrs);
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public TextViewDrawableSize(Context context, AttributeSet attrs, int defStyleAttr,
int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
init(context, attrs);
}
private void init(Context context, AttributeSet attrs) {
final TypedArray typedArray =
context.obtainStyledAttributes(attrs, R.styleable.TextViewDrawableSize);
compoundDrawableWidth =
typedArray.getDimensionPixelSize(R.styleable.TextViewDrawableSize_compoundDrawableWidth,
DEFAULT_COMPOUND_DRAWABLE_SIZE);
compoundDrawableHeight =
typedArray.getDimensionPixelSize(R.styleable.TextViewDrawableSize_compoundDrawableHeight,
DEFAULT_COMPOUND_DRAWABLE_SIZE);
typedArray.recycle();
resizeCompoundDrawables();
}
private void resizeCompoundDrawables() {
Drawable[] drawables = getCompoundDrawables();
if (compoundDrawableWidth > 0 || compoundDrawableHeight > 0) {
for (Drawable drawable : drawables) {
if (drawable == null) {
continue;
}
Rect realBounds = drawable.getBounds();
float scaleFactor = realBounds.height() / (float) realBounds.width();
float drawableWidth = realBounds.width();
float drawableHeight = realBounds.height();
if (this.compoundDrawableWidth > 0) {
if (drawableWidth > this.compoundDrawableWidth) {
drawableWidth = this.compoundDrawableWidth;
drawableHeight = drawableWidth * scaleFactor;
}
}
if (this.compoundDrawableHeight > 0) {
if (drawableHeight > this.compoundDrawableHeight) {
drawableHeight = this.compoundDrawableHeight;
drawableWidth = drawableHeight / scaleFactor;
}
}
realBounds.right = realBounds.left + Math.round(drawableWidth);
realBounds.bottom = realBounds.top + Math.round(drawableHeight);
drawable.setBounds(realBounds);
}
}
super.setCompoundDrawables(drawables[0], drawables[1], drawables[2], drawables[3]);
}
public int getCompoundDrawableWidth() {
return compoundDrawableWidth;
}
public void setCompoundDrawableWidth(int compoundDrawableWidth) {
this.compoundDrawableWidth = compoundDrawableWidth;
}
public int getCompoundDrawableHeight() {
return compoundDrawableHeight;
}
public void setCompoundDrawableHeight(int compoundDrawableHeight) {
this.compoundDrawableHeight = compoundDrawableHeight;
}
@Override
public void setCompoundDrawables(Drawable left, Drawable top, Drawable right, Drawable bottom) {
super.setCompoundDrawables(left, top, right, bottom);
resizeCompoundDrawables();
}
@Override
public void setCompoundDrawablesWithIntrinsicBounds(int left, int top, int right, int bottom) {
super.setCompoundDrawablesWithIntrinsicBounds(left, top, right, bottom);
resizeCompoundDrawables();
}
@Override
public void setCompoundDrawablesWithIntrinsicBounds(Drawable left, Drawable top, Drawable right,
Drawable bottom) {
super.setCompoundDrawablesWithIntrinsicBounds(left, top, right, bottom);
resizeCompoundDrawables();
}
@Override public void setCompoundDrawablesRelative(Drawable start, Drawable top, Drawable end,
Drawable bottom) {
super.setCompoundDrawablesRelative(start, top, end, bottom);
resizeCompoundDrawables();
}
@Override public void setCompoundDrawablesRelativeWithIntrinsicBounds(int start, int top, int end,
int bottom) {
super.setCompoundDrawablesRelativeWithIntrinsicBounds(start, top, end, bottom);
resizeCompoundDrawables();
}
@Override
public void setCompoundDrawablesRelativeWithIntrinsicBounds(Drawable start, Drawable top,
Drawable end, Drawable bottom) {
super.setCompoundDrawablesRelativeWithIntrinsicBounds(start, top, end, bottom);
resizeCompoundDrawables();
}
}
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