如何使用Kotlin在Android中压缩照片
这是我在智能手机上拍照的代码,问题是图像太大了,我想压缩它,有什么帮助或想法吗 谢谢你的信息 方法ABRICAMARA()的执行 当用户从权限请求弹出窗口中按permission或DENY时调用如何使用Kotlin在Android中压缩照片,android,kotlin,compression,photo,Android,Kotlin,Compression,Photo,这是我在智能手机上拍照的代码,问题是图像太大了,我想压缩它,有什么帮助或想法吗 谢谢你的信息 方法ABRICAMARA()的执行 当用户从权限请求弹出窗口中按permission或DENY时调用 override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) { when(requestCode){
override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
when(requestCode){
PERMISSION_CODE -> {
if (grantResults.size > 0 && grantResults[0] ==
PackageManager.PERMISSION_GRANTED){
//permiso de popup fue concedido
abrirCamara()
}
else{
//el permiso de popup fue denegado
Toast.makeText(this, "Permiso denegado", Toast.LENGTH_SHORT).show()
}
}
}
}
你可以使用这个图书馆
implementation 'id.zelory:compressor:2.1.0'
更改代码
从代码中,图像文件名为rutaFinal
//if you need bitmap
val bitmap = Compressor(this).compressToBitmap(rutaFinal)
//if you need file
val compressedImageFile = Compressor(this).compressToFile(rutaFinal)
完整代码
if (resultCode == Activity.RESULT_OK){
//configurar imagen capturada a vista de imagen
imgEnvio.setImageURI(image_uri)
pasar = image_uri.toString()
val tempUri = image_uri
val rutaFinal = File(getRealPathFromURI(tempUri))
pasoRuta=rutaFinal.toString()
//chnage here
//pass context to Compressor
val bitmap = Compressor(this).compressToBitmap(rutaFinal);
captura_btn.visibility =View.INVISIBLE
siguiente.visibility=View.VISIBLE
}
使用
传入原始图像文件,并将调整大小的图像作为新文件获取
File resizedImage = new Resizer(this)
.setTargetLength(1080)
.setQuality(80)
.setOutputFormat("JPEG")
.setOutputFilename("resized_image")
.setOutputDirPath(storagePath)
.setSourceImage(originalImage)
.getResizedFile();
使用
格拉德尔
dependencies {
implementation 'id.zelory:compressor:3.0.0'
}
压缩图像文件
val compressedImageFile = Compressor.compress(context, actualImageFile)
将图像文件压缩到特定目标
val compressedImageFile = Compressor.compress(context, actualImageFile) {
default()
destination(myFile)
}
使用默认约束和自定义局部约束
val compressedImageFile = Compressor.compress(context, actualImageFile) {
default(width = 640, format = Bitmap.CompressFormat.WEBP)
}
完全自定义约束
val compressedImageFile = Compressor.compress(context, actualImageFile) {
resolution(1280, 720)
quality(80)
format(Bitmap.CompressFormat.WEBP)
size(2_097_152) // 2 MB
}
val compressedImageFile = Compressor.compress(context, actualImageFile) {
resolution(1280, 720)
quality(80)
format(Bitmap.CompressFormat.WEBP)
size(2_097_152) // 2 MB
}
val compressedImageFile = Compressor.compress(context, actualImageFile) {
resolution(1280, 720)
quality(80)
format(Bitmap.CompressFormat.WEBP)
size(2_097_152) // 2 MB
}
val compressedImageFile = Compressor.compress(context, actualImageFile) {
resolution(1280, 720)
quality(80)
format(Bitmap.CompressFormat.WEBP)
size(2_097_152) // 2 MB
}
?
val compressedImageFile = Compressor.compress(context, actualImageFile) {
default()
destination(myFile)
}
val compressedImageFile = Compressor.compress(context, actualImageFile) {
default(width = 640, format = Bitmap.CompressFormat.WEBP)
}
val compressedImageFile = Compressor.compress(context, actualImageFile) {
resolution(1280, 720)
quality(80)
format(Bitmap.CompressFormat.WEBP)
size(2_097_152) // 2 MB
}
val compressedImageFile = Compressor.compress(context, actualImageFile) {
resolution(1280, 720)
quality(80)
format(Bitmap.CompressFormat.WEBP)
size(2_097_152) // 2 MB
}
val compressedImageFile = Compressor.compress(context, actualImageFile) {
resolution(1280, 720)
quality(80)
format(Bitmap.CompressFormat.WEBP)
size(2_097_152) // 2 MB
}
val compressedImageFile = Compressor.compress(context, actualImageFile) {
resolution(1280, 720)
quality(80)
format(Bitmap.CompressFormat.WEBP)
size(2_097_152) // 2 MB
}