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/**
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* Kotlin扩展属性和扩展函数
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*/
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package com.common.commonlib.utils
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import android.app.Activity
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import android.content.res.Resources
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import android.text.TextUtils
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import android.util.TypedValue
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import android.view.View
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import java.text.DecimalFormat
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/**
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* Kt扩展属性，判断Activity是否存活
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*/
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val Activity?.isAlive: Boolean
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get() = !(this?.isDestroyed ?: true || this?.isFinishing ?: true)
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/**
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* Boolean转Visibility
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*/
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fun Boolean.toVisibility() = if (this) View.VISIBLE else View.GONE
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/**
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* Float dp2px
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*/
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val Float.dp: Float
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get() = TypedValue.applyDimension(
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TypedValue.COMPLEX_UNIT_DIP,
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this,
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Resources.getSystem().displayMetrics
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)
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/**
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* Int dp2px
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*/
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val Int.dp: Float
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get() = this.toFloat().dp
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val decimalFormat = DecimalFormat("#0.0")
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fun Float.forShowValue(): Float {
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return this.forShowStr().toFloat()
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}
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fun Float.forShowStr(): String {
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return decimalFormat.format(this)
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}
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fun String.getGasShowName(): String {
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return getGasNickName(this)
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}
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private fun getGasNickName(gasType: String): String {
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val string = MMKVUtils.getString("${gasType}_gas_nickname")
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if (!TextUtils.isEmpty(string)) {
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return string!!
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}
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return gasType
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}
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fun saveGasNickName(gasType: String, name: String) {
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if (!TextUtils.isEmpty(name)) {
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MMKVUtils.put("${gasType}_gas_nickname", name)
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}
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} |