DroidFS/app/src/main/java/sushi/hardcore/droidfs/LogcatActivity.kt

88 lines
2.8 KiB
Kotlin

package sushi.hardcore.droidfs
import android.net.Uri
import android.os.Bundle
import android.view.Menu
import android.view.MenuItem
import android.widget.Toast
import androidx.activity.result.contract.ActivityResultContracts
import androidx.lifecycle.lifecycleScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import sushi.hardcore.droidfs.databinding.ActivityLogcatBinding
import java.io.BufferedReader
import java.io.BufferedWriter
import java.io.InputStreamReader
import java.io.InterruptedIOException
import java.io.OutputStreamWriter
import java.text.SimpleDateFormat
import java.util.Date
import java.util.Locale
class LogcatActivity: BaseActivity() {
private lateinit var binding: ActivityLogcatBinding
private var process: Process? = null
private val dateFormat by lazy {
SimpleDateFormat("yyyy-MM-dd_HH:mm:ss", Locale.getDefault())
}
private val saveAs = registerForActivityResult(ActivityResultContracts.CreateDocument("text/*")) { uri ->
uri?.let {
saveTo(it)
}
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = ActivityLogcatBinding.inflate(layoutInflater)
setContentView(binding.root)
title = getString(R.string.logcat_title)
supportActionBar?.setDisplayHomeAsUpEnabled(true)
lifecycleScope.launch(Dispatchers.IO) {
try {
BufferedReader(InputStreamReader(Runtime.getRuntime().exec("logcat").also {
process = it
}.inputStream)).forEachLine {
binding.content.post {
binding.content.append("$it\n")
}
}
} catch (_: InterruptedIOException) {}
}
}
override fun onDestroy() {
super.onDestroy()
process?.destroy()
}
override fun onCreateOptionsMenu(menu: Menu): Boolean {
menuInflater.inflate(R.menu.logcat, menu)
return true
}
override fun onOptionsItemSelected(item: MenuItem): Boolean {
return when (item.itemId) {
android.R.id.home -> {
finish()
true
}
R.id.save -> {
saveAs.launch("DroidFS_${dateFormat.format(Date())}.log")
true
}
else -> super.onOptionsItemSelected(item)
}
}
private fun saveTo(uri: Uri) {
lifecycleScope.launch(Dispatchers.IO) {
BufferedWriter(OutputStreamWriter(contentResolver.openOutputStream(uri))).use {
it.write(binding.content.text.toString())
}
launch(Dispatchers.Main) {
Toast.makeText(this@LogcatActivity, R.string.logcat_saved, Toast.LENGTH_SHORT).show()
}
}
}
}