Add logs to .txt file for Android.

AndroidManifest.xml

<provider
            android:name="androidx.core.content.FileProvider"
            android:authorities="${applicationId}.provider"
            android:exported="false"
            android:grantUriPermissions="true">
            <meta-data
                android:name="android.support.FILE_PROVIDER_PATHS"
                android:resource="@xml/filepaths"
                tools:replace="android:resource" />
</provider>

filepath.xml

<cache-path
  name="text_logs"
  path="TextLogs"/>

HappyTextLogger.kt

package com.example.utils

import android.content.Context
import android.content.Intent
import android.util.Log
import androidx.core.content.FileProvider
import java.io.File
import java.text.SimpleDateFormat
import java.util.*


object HappyTextLogger {

    private var logStringBuilder: StringBuffer = StringBuffer()

    private var fileName: String? = null

    fun log(text: String) {
        logStringBuilder.appendLine("${getCurrentDateTime()} ===> $text")
        Log.d("Text-Log", text)
    }

    fun reset(context: Context) {
        logStringBuilder = StringBuffer()
        this.fileName?.let { nameToDelete ->
            runCatching {
                File(context.cacheDir, nameToDelete).delete()
            }
        }
    }

    private fun getCurrentDateTime(): String {
        return SimpleDateFormat(
            "dd-MM-yyyy-hh:mm:ss a",
            Locale.getDefault()
        ).format(Calendar.getInstance().time)
    }

    fun shareTextFile(context: Context) {
        this.fileName = "Text-Log-${getCurrentDateTime()}.txt"
        runCatching {
            val logsFolder = File(context.cacheDir, "TextLogs")
            if (logsFolder.exists().not()) {
                logsFolder.mkdir()
            }
            val file = File(logsFolder, fileName!!)
            file.writeText(logStringBuilder.toString())

            val authority = "${context.packageName}.provider"
            val uri = FileProvider.getUriForFile(context, authority, file)

            val sharingIntent = Intent(Intent.ACTION_SEND)
            sharingIntent.type = "text/*"
            sharingIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
            sharingIntent.putExtra(Intent.EXTRA_STREAM, uri)
            context.startActivity(Intent.createChooser(sharingIntent, "share file with"))
        }
    }

}