appendText 往源文件追加文本 writeBytes 覆盖写入字节数组 appendBytes 追加字节数组 读写文本,遍历文件夹 调用 package com.example.fileio import android.os.Bundle import android.util.Log import .AppCompatActivity import com.example.fileio.util.append import com.example.fileio.util.read import com.example...
write(b, off, len) } } rangeDownloadAndSaveToFile(url, range.first, range.last, obj, { // 下载成功 if (lock.tryLock()) { accessFile.seek(it.first) writeToAccessFile(buffer, accessFile) synchronized(accessFile) { accessFile.notifyAll() } writeCount.getAndAdd(it.last - it.first) ...
io.File.writeText(text: kotlin.String, charset: java.nio.charset.Charset /): kotlin.Unit //遍历文件中的每一行数据,针对每个数据进行处理(可以批量修改文件内关键字等) public fun java.io.File.forEachLine(charset: java.nio.charset.Charset , action: (kotlin.String) -> kotlin.Unit): kotlin.Unit...
Adding kotlin lite to a project where I only had java lite started to produce build error "Tried to write the same file twice" with the file name Errors like: mypackage/RespKt.kt: Tried to write the same file twice. to reproduce you just need two .proto file containing a message with ...
Kotlin 安卓开发(全) 原文:zh.annas-archive.org/md5/5516731C6537B7140E922B2C519B8673 译者:飞龙 协议:CC BY-NC-SA 4.0 前言 如今,Android 应用程序开发流程非常广泛。在过去几年中,我们已经看到各种工具如何演变,
importkotlinx.android.synthetic.main.activity_main.*classMainActivity:AppCompatActivity(){privatevalCODE_WRITE_EXTERNAL=1varfile:File?=nullvarmPaint:Paint?=null//vardialog:ProgressDialog?=nullvarscreenWidth:Int=0varscreenHeight:Int=0@RequiresApi(Build.VERSION_CODES.KITKAT)override funonCreate(savedInstan...
public fun File.readText(charset: Charset = Charsets.UTF_8): String /** * Sets the content of this file as [text] encoded using UTF-8 or specified [charset]. * If this file exists, it becomes overwritten. * * @param text text to write into file. ...
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(packageName,className.simpleName) .addType( TypeSpec.classBuilder(className) .primaryConstructor( FunSpec.constructorBuilder() .addParameter("activity",ClassName(packageName,classStr)).build() ) .addInitializerBlock( codeBlockBuilder.build() ) .build() ) file.build().writeTo(filer) } } return...
.byteStream()val file=openFileOutput("data111",Context.MODE_PRIVATE)val bis = BufferedInputStream(inputStream)val buffer = ByteArray(4096)var len: Intwhile (((bis.read(buffer)).also { len = it }) != -1) {file.write(buffer, 0, len)}bis.close()}catch (e:Exception){e.print...