package com.example.basecore.util
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import android.app.Activity
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import android.content.ClipData
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import android.content.ClipboardManager
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import android.content.Context
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import android.content.Intent
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import android.os.Build
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import android.os.Bundle
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import android.text.Editable
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import android.text.TextWatcher
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import android.view.View
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import android.view.inputmethod.InputMethodManager
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import android.widget.EditText
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import androidx.core.content.ContextCompat
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import kotlinx.coroutines.channels.awaitClose
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import kotlinx.coroutines.flow.Flow
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import kotlinx.coroutines.flow.callbackFlow
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import java.io.File
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import java.io.FileInputStream
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import java.math.BigInteger
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import java.security.MessageDigest
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inline fun <reified T> startActNoParam(context: Context) {
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val intent = Intent(context, T::class.java)
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context.startActivity(intent)
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}
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inline fun <reified T> startAct(context: Context, bundle: Bundle) {
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val intent = Intent(context, T::class.java)
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intent.putExtra("param", bundle)
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context.startActivity(intent)
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}
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//传参
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inline fun <reified T> startAct(context: Context, block: Intent.() -> Unit) {
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val intent = Intent(context, T::class.java)
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intent.block()
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context.startActivity(intent)
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}
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/**
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* The absolute width of the available display size in pixels
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*/
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val Context.screenWidth
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get() = resources.displayMetrics.widthPixels
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/**
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* The absolute height of the available display size in pixels
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*/
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val Context.screenHeight
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get() = resources.displayMetrics.heightPixels
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fun Context.dp2px(dp: Int): Int {
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val scale = resources.displayMetrics.density
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return (dp * scale + 0.5f).toInt()
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}
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fun Context.dp2px(dp: Float): Int {
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val scale = resources.displayMetrics.density
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return (dp * scale + 0.5f).toInt()
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}
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fun Context.px2dp(px: Int): Int {
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val scale = resources.displayMetrics.density
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return (px / scale + 0.5f).toInt()
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}
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fun View.dp2px(dp: Int): Int {
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val scale = resources.displayMetrics.density
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return (dp * scale + 0.5f).toInt()
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}
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fun View.px2dp(px: Int): Int {
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val scale = resources.displayMetrics.density
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return (px / scale + 0.5f).toInt()
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}
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/**
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* Sets the [text] on the clipboard
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*/
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fun Context.copyToClipboard(text: String, label: String = "KTX") {
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var clipboardManager = ContextCompat.getSystemService(this, ClipboardManager::class.java)
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val clipData = ClipData.newPlainText(label, text)
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// clipboardManager?.primaryClip = clipData
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}
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fun isShowInput(context: Context, edt: EditText): Boolean {
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val inputMethodManager: InputMethodManager =
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context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
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return inputMethodManager.isActive(edt)
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}
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// 构建输入框文字变化流
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fun EditText.textChangeFlow(): Flow<CharSequence> = callbackFlow {
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// 构建输入框监听器
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val watcher = object : TextWatcher {
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override fun afterTextChanged(s: Editable?) {}
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override fun beforeTextChanged( s: CharSequence?, start: Int, count: Int, after: Int ) { }
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// 在文本变化后向流发射数据
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override fun onTextChanged( s: CharSequence?, start: Int, before: Int, count: Int ) {
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s?.apply {
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trySend(s)
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}
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}
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}
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addTextChangedListener(watcher) // 设置输入框监听器
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awaitClose { removeTextChangedListener(watcher) } // 阻塞以保证流一直运行
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}
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/**
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* 文件md5
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*/
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fun getFileMD5(file: File): String {
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if (!file.isFile) {
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return ""
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}
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val digest: MessageDigest?
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val ins = FileInputStream(file)
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val buffer = ByteArray(1024)
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var len: Int
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try {
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digest = MessageDigest.getInstance("MD5")
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while (ins.read(buffer, 0, 1024).also { len = it } != -1) {
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digest.update(buffer, 0, len)
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}
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ins.close()
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} catch (e: java.lang.Exception) {
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e.printStackTrace()
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return ""
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}
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val bigInt = BigInteger(1, digest.digest())
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return bigInt.toString(16)
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}
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fun convertDp2px(context: Context, dp: Int): Int {
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val scale = context.resources.displayMetrics.density
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return (dp * scale + 0.5f).toInt()
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}
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fun convertPx2dp(context: Context, px: Int): Int {
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val scale = context.resources.displayMetrics.density
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return (px / scale + 0.5f).toInt()
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}
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/**
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* 版本 1.0.0
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*/
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fun getVersionName(context: Context): String {
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val manager = context.applicationContext.packageManager
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return try {
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val info = manager.getPackageInfo(context.applicationContext.packageName, 0)
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info!!.versionName
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} catch (e: Exception) {
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""
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}
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}
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/**
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* 接口添加公共参数
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*/
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fun addParam(): HashMap<String, Any> {
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val hashMap = HashMap<String, Any>()
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hashMap["s"] = "android"
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hashMap["timestamp"] = System.currentTimeMillis()
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hashMap["m"] = Build.MODEL
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hashMap["sv"] = Build.VERSION.RELEASE
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hashMap["b"] = Build.BRAND
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// hashMap["v"] = getVersionName()
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hashMap["access_token"] = SPUtils.getString("token", "")
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return hashMap
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}
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fun hideKeyboard(activity: Activity) {
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val imm = activity.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
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if (imm.isActive) {
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if (activity.currentFocus!!.windowToken != null) {
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imm.hideSoftInputFromWindow(
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activity.currentFocus!!.windowToken,
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InputMethodManager.HIDE_NOT_ALWAYS
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)
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}
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}
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}
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