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import android.content.Context |
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import android.graphics.drawable.Drawable |
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import android.support.annotation.ColorInt |
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import android.support.v7.widget.LinearLayoutCompat |
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import android.util.AttributeSet |
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import android.view.Gravity |
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import android.widget.ImageView |
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import android.widget.LinearLayout |
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import android.widget.TextView |
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class IconButton : LinearLayoutCompat { |
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private var text: String = "" |
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private var icon: Drawable? = null |
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private var textView: TextView? = null |
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private var imageView: ImageView? = null |
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constructor(context: Context, attrs: AttributeSet? = null) : |
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super(context, attrs, 0) { |
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init(attrs) |
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} |
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constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : |
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super(context, attrs, defStyleAttr) { |
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init(attrs) |
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} |
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private fun init(attrs: AttributeSet?) { |
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isFocusable = true |
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isClickable = true |
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orientation = LinearLayout.HORIZONTAL |
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gravity = Gravity.CENTER |
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minimumHeight = context.dpToPx(48F) |
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val typedArray = context.theme |
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.obtainStyledAttributes(attrs, R.styleable.IconButton, 0, 0) |
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text = typedArray.getString(R.styleable.IconButton_text) ?: "" |
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icon = typedArray.getDrawable(R.styleable.IconButton_src) |
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addImageView() |
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addTextView() |
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} |
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fun setTextColor(@ColorInt color: Int) { |
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textView?.setTextColor(color) |
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} |
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fun setIcon(drawable: Drawable) { |
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if (imageView == null) { |
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createImageView(drawable) |
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return |
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} |
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imageView?.setImageDrawable(drawable) |
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} |
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private fun addTextView() = addView(createTextView(text)) |
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private fun addImageView() { |
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if (icon != null) |
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addView(createImageView(icon!!)) |
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} |
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private fun createImageView(drawable: Drawable): ImageView? { |
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imageView = ImageView(context) |
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imageView?.setImageDrawable(drawable) |
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return imageView |
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} |
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private fun createTextView(text: String): TextView? { |
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textView = TextView(context) |
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textView?.text = text |
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return textView |
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} |
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} |
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////////////////// |
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////////////////// attrs |
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////////////////// |
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<attr name="src" format="reference|color" /> |
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<attr name="text" format="string" /> |
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<declare-styleable name="IconButton"> |
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<attr name="src" /> |
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<attr name="text" /> |
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</declare-styleable> |
