Custom view class in kotlin with style attributes.
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| <declare-styleable name="LeaderRankView"> | |
| <attr name="leaderBackground" format="reference" /> | |
| <attr name="leaderIcon" format="reference" /> | |
| <attr name="leaderName" format="string" /> | |
| <attr name="leaderRank" format="enum"> | |
| <enum name="rank1" value="1" /> | |
| <enum name="rank2" value="2" /> | |
| <enum name="rank3" value="3" /> | |
| </attr> | |
| </declare-styleable> |
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| class LeaderRankView @JvmOverloads constructor( | |
| context: Context, | |
| val attrs: AttributeSet? = null | |
| ) : ConstraintLayout(context, attrs) { | |
| var binding: ViewLeaderRankBinding | |
| private var leaderIcon: Drawable? = null | |
| set(value) { | |
| field = value | |
| value?.let { | |
| binding.ivUserRankNumber.setImageDrawable(it) | |
| } | |
| } | |
| private var leaderBackground: Drawable? = null | |
| set(value) { | |
| field = value | |
| value?.let { | |
| binding.clRoot.background = it | |
| } | |
| } | |
| init { | |
| binding = ViewLeaderRankBinding.inflate( | |
| LayoutInflater.from(context), this, true | |
| ) | |
| setupView() | |
| } | |
| private fun setupView() { | |
| context.obtainStyledAttributes( | |
| attrs, | |
| R.styleable.LeaderRankView, | |
| 0, 0 | |
| ).apply { | |
| try { | |
| getDrawable(R.styleable.LeaderRankView_leaderBackground).let { | |
| binding.clRoot.background = it | |
| } | |
| getDrawable(R.styleable.LeaderRankView_leaderIcon).let { | |
| binding.ivUserRankNumber.background = it | |
| } | |
| getString(R.styleable.LeaderRankView_leaderName).let { | |
| binding.tvUserName.text = it | |
| } | |
| } finally { | |
| recycle() | |
| } | |
| } | |
| } | |
| } | |
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