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Trying to get file dowload to work

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This commit is contained in:
Renan LE CARO 2025-03-18 14:16:12 +01:00
parent 5ca2d58c9d
commit ffdbd71a88
28 changed files with 1525 additions and 5236 deletions
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124
app/src/main/java/me/lecaro/breakout/MainActivity.kt
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@ -1,8 +1,10 @@
package me.lecaro.breakout
import android.app.Activity
import android.app.DownloadManager
import android.content.Context
import android.content.Intent
import android.content.pm.PackageManager
import android.net.Uri
import android.os.Bundle
import android.os.Environment
@ -18,8 +20,11 @@ import android.widget.Toast
import java.io.File
import java.text.SimpleDateFormat
import java.util.Date
import java.util.jar.Manifest
const val CHOOSE_FILE_REQUEST_CODE = 548459
const val PERM_REQUEST_CODE = 66622635
class MainActivity : android.app.Activity() {
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
@ -28,13 +33,73 @@ class MainActivity : android.app.Activity() {
when (requestCode) {
CHOOSE_FILE_REQUEST_CODE -> {
if (resultCode == RESULT_OK) {
filePathCallback?.onReceiveValue(WebChromeClient.FileChooserParams.parseResult(resultCode, data))
filePathCallback?.onReceiveValue(
WebChromeClient.FileChooserParams.parseResult(
resultCode,
data
)
)
filePathCallback = null
}
}
}
}
override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
when (requestCode) {
PERM_REQUEST_CODE -> {
if ((grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED)) {
downloadFile()
} else {
Toast.makeText(this, "We cant make a save file without that permission", Toast.LENGTH_SHORT).show()
}
return
}
}
}
var filePathCallback: ValueCallback<Array<Uri>>? = null
var fileToDownload:String? = null
fun downloadFile(){
val url = fileToDownload ?: return
try{
if (!url.startsWith("data:")) {
Log.w("DL", "url ignored because it does not start with data:")
return
}
val sdf = SimpleDateFormat("yyyy-M-dd-hh-mm")
val currentDate = sdf.format(Date())
// Extract filename from contentDisposition if available
if (url.startsWith("data:application/json;base64,")) {
Log.d("DL", "saving application/json ")
val base64Data = url.substringAfterLast(',')
val decodedBytes =
android.util.Base64.decode(base64Data, android.util.Base64.DEFAULT)
val jsonData = String(decodedBytes);
val dir =
Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)
val fileName = "breakout-71-save-$currentDate.b71"
val file = File(dir, fileName)
file.writeText(jsonData)
Toast.makeText(this, "Saved in $dir", Toast.LENGTH_LONG).show()
Log.d("DL", "finished saving application/json ")
} else if (url.startsWith("data:video/webm;base64,")) {
Log.d("DL", "saving video/webm ")
// TODO
Log.d("DL", "finished savign video/webm ")
} else {
Log.w("DL", "unexpected type " + url)
}
}catch (e:Exception){
Log.e("DL", "Error ${e.message}")
Toast.makeText(this, "Error ${e.message}", Toast.LENGTH_LONG).show()
}
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
requestWindowFeature(Window.FEATURE_NO_TITLE);
@ -46,8 +111,9 @@ class MainActivity : android.app.Activity() {
webView.settings.javaScriptEnabled = true
webView.settings.domStorageEnabled = true
webView.settings.setSupportZoom(false)
webView.loadUrl("file:///android_asset/index.html?isInWebView=true")
webView.loadUrl("file:///android_asset/index.html?isInWebView=true")
val activity=this;
webView.webChromeClient = object : WebChromeClient() {
override fun onConsoleMessage(consoleMessage: ConsoleMessage): Boolean {
@ -57,43 +123,35 @@ class MainActivity : android.app.Activity() {
)
return true
}
override fun onShowFileChooser(webView: WebView?, filePathCallback: ValueCallback<Array<Uri>>?, fileChooserParams: FileChooserParams?): Boolean {
startActivityForResult(fileChooserParams?.createIntent(), CHOOSE_FILE_REQUEST_CODE)
this@MainActivity.filePathCallback = filePathCallback
return true
override fun onShowFileChooser(
webView: WebView?,
filePathCallback: ValueCallback<Array<Uri>>?,
fileChooserParams: FileChooserParams?
): Boolean {
try{
startActivityForResult(fileChooserParams?.createIntent(), CHOOSE_FILE_REQUEST_CODE)
this@MainActivity.filePathCallback = filePathCallback
return true
}catch (e:Exception){
Log.e("DL", "Error ${e.message}")
Toast.makeText(activity, "Error ${e.message}", Toast.LENGTH_LONG).show()
return false
}
}
}
webView.setDownloadListener(DownloadListener { url, userAgent, contentDisposition, mimetype, contentLength ->
if (!url.startsWith("data:")) {
Log.w("DL","url ignored because it does not start with data:")
return@DownloadListener
}
val sdf = SimpleDateFormat("yyyy-M-dd-hh-mm")
val currentDate = sdf.format(Date())
// Extract filename from contentDisposition if available
if (url.startsWith("data:application/json;base64,")) {
Log.d("DL","saving application/json ")
val base64Data = url.substringAfterLast(',')
val decodedBytes = android.util.Base64.decode(base64Data, android.util.Base64.DEFAULT)
val jsonData = String(decodedBytes)
;
val dir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)
val fileName = "breakout-71-save-$currentDate.b71"
val file = File(dir, fileName)
file.writeText(jsonData)
Toast.makeText(this, "Saved in $dir", Toast. LENGTH_LONG).show()
Log.d("DL","finished saving application/json ")
}else if (url.startsWith("data:video/webm;base64,")){
Log.d("DL","saving video/webm ")
// TODO
Log.d("DL","finished savign video/webm ")
fileToDownload = url
if (activity.checkSelfPermission( android.Manifest.permission.WRITE_EXTERNAL_STORAGE)
!= PackageManager.PERMISSION_GRANTED) {
activity.requestPermissions(arrayOf( android.Manifest.permission.WRITE_EXTERNAL_STORAGE), PERM_REQUEST_CODE)
}else{
Log.w("DL","unexpected type "+url)
downloadFile()
}
})