import android.annotation.SuppressLint
import android.content.Context
import android.os.Handler
import android.os.Looper
import android.text.TextUtils
import android.view.LayoutInflater
import android.view.View
import android.widget.TextView
import android.widget.Toast
import com.yatool.base.BaseApp
class MyToastprivate constructor(private val builder: Builder) {
private val context: Context? = BaseApp.instance.getContext()
private var toast:Toast? =null
private var tv:TextView? =null
private var container:View? =null
fun show(resId:Int) {
show(context?.getString(resId))
}
fun show(message:String?, vararg any: Any) {
if (TextUtils.isEmpty(message)) {
return
}
var result = messageas String
if (any.isNotEmpty()) {
result = String.format(message, any)
}
if (Looper.myLooper() == Looper.getMainLooper()) {
showInternal(result)
}else {
mainHandler.post{ showInternal(result)}
}
}
/** 获取Toast的View进行使用，只支持自定义样式的Toast，若为系统默认Toast样式，则返回null*/
fun getView():View? {
if (container ==null &&builder.isDefault.not()) {
createToastIfNeeded()
}
return container
}
private fun showInternal(message: String) {
createToastIfNeeded()
if (builder.isDefault) {
toast?.setText(message)
toast?.show()
}else {
tv?.text = message
toast?.show()
}
}
@SuppressLint("ShowToast")
private fun createToastIfNeeded() {
if (toast ==null) {
if (builder.isDefault) {
toast = Toast.makeText(context, "", builder.duration)
}else {
container =builder.layout?:LayoutInflater.from(context).inflate(builder.layoutId, null)
tv =container?.findViewById(builder.tvId)
toast = Toast(context)
toast?.view =container
toast?.duration =builder.duration
}
if (builder.gravity !=0) {
toast?.setGravity(builder.gravity, builder.offsetX, builder.offsetY)
}
}
}
companion object {
private val mainHandler = Handler(Looper.getMainLooper())
/**
* 默认提供的Toast实例，在首次使用时进行加载。
*/
@JvmStatic
val DEFAULT: MyToastby lazy { return@lazy newBuilder().build()}
@JvmStatic
fun newBuilder(): Builder {
return Builder(isDefault = true)
}
@JvmStatic
fun newBuilder(layoutId: Int, tvId: Int): Builder {
return Builder(isDefault = false, layoutId = layoutId, tvId = tvId)
}
@JvmStatic
fun newBuilder(layout:View, tvId: Int): Builder {
assert(layout.parent ==null)
return Builder(isDefault = false, layout = layout, tvId = tvId)
}
}
class Builderinternal constructor(internal var isDefault: Boolean,
internal var layout:View? =null,
internal var layoutId: Int =0,
internal var tvId: Int =0) {
internal var duration:Int = Toast.LENGTH_SHORT
internal var gravity:Int =0
internal var offsetX:Int =0
internal var offsetY:Int =0
fun setGravity(gravity: Int, offsetX: Int, offsetY: Int): Builder {
this.gravity = gravity
this.offsetX = offsetX
this.offsetY = offsetY
return this
}
fun setDuration(duration:Int): Builder {
this.duration = duration
return this
}
fun build(): MyToast {
return MyToast(this)
}
}
}
使用： 默认：MyToast.newBuilder().build().show(message)
自定义UI ：MyToast.newBuilder(R.layout.custom_toast, R.id.toast_tv)
.build().show(message)