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MainActivity.kt
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MainActivity.kt
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package com.rajat.sample.pdfviewer
import android.content.Intent
import android.os.Bundle
import android.util.Log
import androidx.activity.result.contract.ActivityResultContracts
import androidx.appcompat.app.AppCompatActivity
import androidx.lifecycle.lifecycleScope
import com.rajat.pdfviewer.PdfRendererView
import com.rajat.pdfviewer.PdfViewerActivity
import com.rajat.pdfviewer.util.saveTo
import com.rajat.sample.pdfviewer.databinding.ActivityMainBinding
class MainActivity : AppCompatActivity() {
private lateinit var binding: ActivityMainBinding
private var download_file_url = "https://css4.pub/2015/usenix/example.pdf"
private var large_pdf = "https://research.nhm.org/pdfs/10840/10840.pdf"
private var download_file_url1 = "https://css4.pub/2017/newsletter/drylab.pdf"
private var download_file_url2 = "https://css4.pub/2015/textbook/somatosensory.pdf"
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = ActivityMainBinding.inflate(layoutInflater)
val view = binding.root
setContentView(view)
binding.onlinePdf.setOnClickListener {
binding.pdfView.statusListener = object : PdfRendererView.StatusCallBack {
override fun onPdfLoadStart() {
Log.i("statusCallBack","onPdfLoadStart")
}
override fun onPdfLoadProgress(
progress: Int,
downloadedBytes: Long,
totalBytes: Long?
) {
//Download is in progress
}
override fun onPdfLoadSuccess(absolutePath: String) {
Log.i("statusCallBack","onPdfLoadSuccess")
// binding.pdfView.recyclerView.scrollToPosition(1)
binding.pdfView.post {
binding.pdfView.recyclerView.scrollToPosition(
1
)
}
}
override fun onError(error: Throwable) {
Log.i("statusCallBack","onError")
}
override fun onPageChanged(currentPage: Int, totalPage: Int) {
//Page change. Not require
}
}
launchPdfFromUrl(large_pdf)
}
binding.pickPdfButton.setOnClickListener {
launchFilePicker()
}
binding.fromAssets.setOnClickListener {
launchPdfFromAssets("quote.pdf")
}
binding.showInView.setOnClickListener {
binding.pdfView.statusListener = object : PdfRendererView.StatusCallBack {
override fun onPdfLoadStart() {
Log.i("statusCallBack","onPdfLoadStart")
}
override fun onPdfLoadProgress(
progress: Int,
downloadedBytes: Long,
totalBytes: Long?
) {
//Download is in progress
}
override fun onPdfLoadSuccess(absolutePath: String) {
Log.i("statusCallBack","onPdfLoadSuccess")
}
override fun onError(error: Throwable) {
Log.i("statusCallBack","onError")
}
override fun onPageChanged(currentPage: Int, totalPage: Int) {
//Page change. Not require
}
}
binding.pdfView.initWithUrl(
url = download_file_url2,
lifecycleCoroutineScope = lifecycleScope,
lifecycle = lifecycle
)
binding.pdfView.jumpToPage(3)
}
binding.openInCompose.setOnClickListener {
startActivity(Intent(this, ComposeActivity::class.java))
}
}
private fun launchPdfFromUrl(url: String) {
// Headers can be passed like this, be default header will be empty.
// val url = "http://10.0.2.2:5000/download_pdf" // Use 10.0.2.2 for Android emulator to access localhost
// val headers = mapOf("Authorization" to "123456789")
startActivity(
PdfViewerActivity.launchPdfFromUrl(
context = this,
pdfUrl = url,
pdfTitle = "PDF Title",
saveTo = saveTo.ASK_EVERYTIME,
enableDownload = true
)
)
}
private val filePicker = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
if (result.resultCode == RESULT_OK) {
val selectedFileUri = result.data?.data
selectedFileUri?.let { uri ->
launchPdfFromUri(uri.toString())
}
}
}
private fun launchFilePicker() {
val intent = Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
addCategory(Intent.CATEGORY_OPENABLE)
type = "application/pdf"
}
filePicker.launch(intent)
}
private fun launchPdfFromUri(uri: String) {
startActivity(
PdfViewerActivity.launchPdfFromPath(
context = this, path = uri,
pdfTitle = "Title", saveTo = saveTo.ASK_EVERYTIME, fromAssets = false)
)
}
private fun launchPdfFromAssets(uri: String) {
startActivity(
PdfViewerActivity.launchPdfFromPath(
context = this, path = uri,
pdfTitle = "Title", saveTo = saveTo.ASK_EVERYTIME, fromAssets = true)
)
}
}