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package com.mapbox.mapboxsdk.testapp.activity.offline
import android.Manifest
import android.content.pm.PackageManager
import android.os.Bundle
import android.support.v4.app.ActivityCompat
import android.support.v4.content.ContextCompat
import android.support.v7.app.AppCompatActivity
import android.widget.Toast
import com.mapbox.mapboxsdk.Mapbox
import com.mapbox.mapboxsdk.constants.Style
import com.mapbox.mapboxsdk.log.Logger
import com.mapbox.mapboxsdk.offline.OfflineManager
import com.mapbox.mapboxsdk.offline.OfflineRegion
import com.mapbox.mapboxsdk.testapp.R
import kotlinx.android.synthetic.main.activity_merge_offline_regions.*
import java.io.File
import java.io.FileOutputStream
class MergeOfflineRegionsActivity : AppCompatActivity() {
companion object {
private const val TEST_DB_FILE_NAME = "offline.db"
private const val PERMISSIONS_REQUEST_CODE = 11
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_merge_offline_regions)
// forcing offline state
Mapbox.setConnected(false)
mapView.setStyleUrl(Style.SATELLITE)
mapView.onCreate(savedInstanceState)
load_region_btn.setOnClickListener {
if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)
!= PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this,
arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE), PERMISSIONS_REQUEST_CODE)
} else {
mergeDb()
}
}
}
override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults)
if (requestCode == PERMISSIONS_REQUEST_CODE) {
for (result in grantResults) {
if (result != PackageManager.PERMISSION_GRANTED) {
finish()
}
}
mergeDb()
}
}
private fun mergeDb() {
// copy db asset to internal memory
copyAsset()
OfflineManager.getInstance(this).mergeOfflineRegions(
this.filesDir.absolutePath + "/" + TEST_DB_FILE_NAME,
object : OfflineManager.MergeOfflineRegionsCallback {
override fun onMerge(offlineRegions: Array<OfflineRegion>) {
mapView.setStyleUrl(Style.SATELLITE)
Toast.makeText(
this@MergeOfflineRegionsActivity,
String.format("Merged %d regions.", offlineRegions.size),
Toast.LENGTH_LONG).show()
}
override fun onError(error: String) {
Logger.e("MBGL_OFFLINE_DB_MERGE", error)
}
})
}
private fun copyAsset() {
val bufferSize = 1024
val assetManager = this.assets
val inputStream = assetManager.open(TEST_DB_FILE_NAME)
val outputStream = FileOutputStream(File(this.filesDir, TEST_DB_FILE_NAME))
try {
inputStream.copyTo(outputStream, bufferSize)
} finally {
inputStream.close()
outputStream.flush()
outputStream.close()
}
}
override fun onStart() {
super.onStart()
mapView.onStart()
}
override fun onResume() {
super.onResume()
mapView.onResume()
}
override fun onPause() {
super.onPause()
mapView.onPause()
}
override fun onStop() {
super.onStop()
mapView.onStop()
}
override fun onLowMemory() {
super.onLowMemory()
mapView.onLowMemory()
}
override fun onDestroy() {
super.onDestroy()
mapView.onDestroy()
}
override fun onSaveInstanceState(outState: Bundle) {
super.onSaveInstanceState(outState)
mapView.onSaveInstanceState(outState)
}
}
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