Mercurial > dwindows
view android/DWindows.kt @ 2530:b9923432cb1f
Android: Implement View based render widget and icon support with Drawable.
Return nullptr instead of 0 on any functions using jobject.
author | bsmith@81767d24-ef19-dc11-ae90-00e081727c95 |
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date | Mon, 10 May 2021 22:34:52 +0000 |
parents | 060fdb2d807d |
children | f45ebd96ebe5 |
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package org.dbsoft.dwindows import android.R import android.app.Activity import android.app.Dialog import android.app.NotificationChannel import android.app.NotificationManager import android.content.ClipData import android.content.ClipboardManager import android.content.Context import android.content.DialogInterface import android.content.pm.ActivityInfo import android.content.res.Configuration import android.graphics.Bitmap import android.graphics.BitmapFactory import android.graphics.Canvas import android.graphics.drawable.BitmapDrawable import android.graphics.drawable.Drawable import android.graphics.drawable.GradientDrawable import android.media.AudioManager import android.media.ToneGenerator import android.os.* import android.text.InputFilter import android.text.InputFilter.LengthFilter import android.text.InputType import android.text.method.PasswordTransformationMethod import android.util.Base64 import android.util.Log import android.util.SparseBooleanArray import android.view.Gravity import android.view.MotionEvent import android.view.View import android.view.View.OnTouchListener import android.view.ViewGroup import android.view.inputmethod.EditorInfo import android.webkit.WebView import android.webkit.WebViewClient import android.widget.* import android.widget.AdapterView.OnItemClickListener import android.widget.SeekBar.OnSeekBarChangeListener import androidx.appcompat.app.AlertDialog import androidx.appcompat.app.AppCompatActivity import androidx.appcompat.widget.AppCompatEditText import androidx.collection.SimpleArrayMap import androidx.core.app.NotificationCompat import androidx.core.app.NotificationManagerCompat import androidx.core.content.res.ResourcesCompat import androidx.recyclerview.widget.RecyclerView import androidx.viewpager2.widget.ViewPager2 import com.google.android.material.tabs.TabLayout import com.google.android.material.tabs.TabLayout.OnTabSelectedListener import com.google.android.material.tabs.TabLayoutMediator import java.io.File import java.io.FileInputStream import java.io.FileNotFoundException import java.util.* import java.util.concurrent.locks.ReentrantLock class DWTabViewPagerAdapter : RecyclerView.Adapter<DWTabViewPagerAdapter.DWEventViewHolder>() { val viewList = mutableListOf<LinearLayout>() val pageList = mutableListOf<Long>() var currentPageID = 0L override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = DWEventViewHolder(viewList.get(viewType)) override fun getItemCount() = viewList.count() override fun getItemViewType(position: Int): Int { return position } override fun onBindViewHolder(holder: DWEventViewHolder, position: Int) { holder.setIsRecyclable(false); } class DWEventViewHolder(var view: View) : RecyclerView.ViewHolder(view) } private class DWWebViewClient : WebViewClient() { //Implement shouldOverrideUrlLoading// override fun shouldOverrideUrlLoading(view: WebView, url: String): Boolean { // We always want to load in our own WebView, // to match the behavior on the other platforms return false } override fun onPageStarted(view: WebView, url: String, favicon: Bitmap?) { // Handle the DW_HTML_CHANGE_STARTED event eventHandlerHTMLChanged(view, 19, url, 1) } override fun onPageFinished(view: WebView, url: String) { // Handle the DW_HTML_CHANGE_COMPLETE event eventHandlerHTMLChanged(view, 19, url, 4) } external fun eventHandlerHTMLChanged(obj1: View, message: Int, URI: String, status: Int) } class DWSpinButton(context: Context) : AppCompatEditText(context), OnTouchListener { var value: Long = 0 var minimum: Long = 0 var maximum: Long = 65535 init { setCompoundDrawablesWithIntrinsicBounds(android.R.drawable.ic_media_previous, 0, android.R.drawable.ic_media_next, 0); setOnTouchListener(this) } override fun onTouch(v: View, event: MotionEvent): Boolean { val DRAWABLE_RIGHT = 2 val DRAWABLE_LEFT = 0 if (event.action == MotionEvent.ACTION_UP) { if (event.x >= v.width - (v as EditText) .compoundDrawables[DRAWABLE_RIGHT].bounds.width() ) { val newvalue = this.text.toString().toLongOrNull() if(newvalue != null) { value = newvalue + 1 } else { value += 1 } if(value > maximum) { value = maximum } if(value < minimum) { value = minimum } setText(value.toString()) eventHandlerInt(14, value.toInt(), 0, 0, 0) return true } else if (event.x <= (v as EditText) .compoundDrawables[DRAWABLE_LEFT].bounds.width() ) { val newvalue = this.text.toString().toLongOrNull() if(newvalue != null) { value = newvalue - 1 } else { value -= 1 } if(value > maximum) { value = maximum } if(value < minimum) { value = minimum } setText(value.toString()) eventHandlerInt(14, value.toInt(), 0, 0, 0) return true } } return false } external fun eventHandlerInt( message: Int, inta: Int, intb: Int, intc: Int, intd: Int ) } class DWComboBox(context: Context) : AppCompatEditText(context), OnTouchListener, OnItemClickListener { var lpw: ListPopupWindow? = null var list = mutableListOf<String>() var selected: Int = -1 init { setCompoundDrawablesWithIntrinsicBounds(0, 0, android.R.drawable.arrow_down_float, 0); setOnTouchListener(this) lpw = ListPopupWindow(context) lpw!!.setAdapter( ArrayAdapter( context, android.R.layout.simple_list_item_1, list ) ) lpw!!.anchorView = this lpw!!.isModal = true lpw!!.setOnItemClickListener(this) } override fun onItemClick(parent: AdapterView<*>?, view: View, position: Int, id: Long) { val item = list[position] selected = position setText(item) lpw!!.dismiss() eventHandlerInt(11, position, 0, 0, 0) } override fun onTouch(v: View, event: MotionEvent): Boolean { val DRAWABLE_RIGHT = 2 if (event.action == MotionEvent.ACTION_UP) { if (event.x >= v.width - (v as EditText) .compoundDrawables[DRAWABLE_RIGHT].bounds.width() ) { lpw!!.show() return true } } return false } external fun eventHandlerInt( message: Int, inta: Int, intb: Int, intc: Int, intd: Int ) } class DWListBox(context: Context) : ListView(context), OnItemClickListener { var list = mutableListOf<String>() var selected: Int = -1 init { setAdapter( ArrayAdapter( context, android.R.layout.simple_list_item_1, list ) ) setOnItemClickListener(this) } override fun onItemClick(parent: AdapterView<*>?, view: View, position: Int, id: Long) { selected = position eventHandlerInt(11, position, 0, 0, 0) } external fun eventHandlerInt( message: Int, inta: Int, intb: Int, intc: Int, intd: Int ) } class DWRender(context: Context) : View(context) { var cachedCanvas: Canvas? = null override fun onSizeChanged(width: Int, height: Int, oldWidth: Int, oldHeight: Int) { super.onSizeChanged(width, height, oldWidth, oldHeight) // Send DW_SIGNAL_CONFIGURE eventHandlerInt(1, width, height, 0, 0) } override fun onDraw(canvas: Canvas) { super.onDraw(canvas) cachedCanvas = canvas // Send DW_SIGNAL_EXPOSE eventHandlerInt(7, 0, 0, this.width, this.height) cachedCanvas = null } external fun eventHandlerInt( message: Int, inta: Int, intb: Int, intc: Int, intd: Int ) } class DWFileChooser(private val activity: Activity) { private val list: ListView = ListView(activity) private val dialog: Dialog = Dialog(activity) private var currentPath: File? = null // filter on file extension private var extension: String? = null fun setExtension(extension: String?) { this.extension = extension?.toLowerCase(Locale.ROOT) } // file selection event handling interface FileSelectedListener { fun fileSelected(file: File?) } fun setFileListener(fileListener: FileSelectedListener?): DWFileChooser { this.fileListener = fileListener return this } private var fileListener: FileSelectedListener? = null fun showDialog() { dialog.show() } /* * Sort, filter and display the files for the given path. */ private fun refresh(path: File?) { currentPath = path if (path != null) { if (path.exists()) { val dirs = path.listFiles { file -> file.isDirectory && file.canRead() } val files = path.listFiles { file -> if (!file.isDirectory) { if (!file.canRead()) { false } else if (extension == null) { true } else { file.name.toLowerCase(Locale.ROOT).endsWith(extension!!) } } else { false } } // convert to an array var i = 0 val fileList: Array<String?> var filecount = 0 var dircount = 0 if(files != null) { filecount = files.size } if(dirs != null) { dircount = dirs.size } if (path.parentFile == null) { fileList = arrayOfNulls(dircount + filecount) } else { fileList = arrayOfNulls(dircount + filecount + 1) fileList[i++] = PARENT_DIR } if(dirs != null) { Arrays.sort(dirs) for (dir in dirs) { fileList[i++] = dir.name } } if(files != null) { Arrays.sort(files) for (file in files) { fileList[i++] = file.name } } // refresh the user interface dialog.setTitle(currentPath!!.path) list.adapter = object : ArrayAdapter<Any?>( activity, R.layout.simple_list_item_1, fileList ) { override fun getView(pos: Int, view: View?, parent: ViewGroup): View { val thisview = super.getView(pos, view, parent) (thisview as TextView).isSingleLine = true return thisview } } } } } /** * Convert a relative filename into an actual File object. */ private fun getChosenFile(fileChosen: String): File? { return if (fileChosen == PARENT_DIR) { currentPath!!.parentFile } else { File(currentPath, fileChosen) } } companion object { private const val PARENT_DIR = ".." } init { list.onItemClickListener = OnItemClickListener { parent, view, which, id -> val fileChosen = list.getItemAtPosition(which) as String val chosenFile: File? = getChosenFile(fileChosen) if (chosenFile != null) { if (chosenFile.isDirectory) { refresh(chosenFile) } else { if (fileListener != null) { fileListener!!.fileSelected(chosenFile) } dialog.dismiss() } } } dialog.setContentView(list) dialog.window?.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT) refresh(Environment.getExternalStorageDirectory()) } } class DWindows : AppCompatActivity() { var firstWindow: Boolean = true var windowLayout: LinearLayout? = null var threadLock = ReentrantLock() var threadCond = threadLock.newCondition() var notificationID: Int = 0 // Our version of runOnUiThread that waits for execution fun waitOnUiThread(runnable: Runnable) { if(Looper.myLooper() == Looper.getMainLooper()) { runnable.run() } else { threadLock.lock() val ourRunnable = Runnable { threadLock.lock() runnable.run() threadCond.signal() threadLock.unlock() } runOnUiThread(ourRunnable) threadCond.await() threadLock.unlock() } } // We only want to call this once when the app starts up // By default Android will call onCreate for rotation and other // changes. This is incompatible with Dynamic Windows... // Make sure the following is in your AndroidManifest.xml // android:configChanges="orientation|screenSize|screenLayout|keyboardHidden" override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) // Turn on rotation setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR) // Get the Android app path val m = packageManager var s = packageName val p = m.getPackageInfo(s!!, 0) s = p.applicationInfo.dataDir // Initialize the Dynamic Windows code... // This will start a new thread that calls the app's dwmain() dwindowsInit(s, this.getPackageName()) } override fun onConfigurationChanged(newConfig: Configuration) { super.onConfigurationChanged(newConfig) // Send a DW_SIGNAL_CONFIGURE on orientation change if(windowLayout != null) { var width: Int = windowLayout!!.width var height: Int = windowLayout!!.height eventHandlerInt(windowLayout as View, 1, width, height, 0, 0) } } /* * These are the Android calls to actually create the UI... * forwarded from the C Dynamic Windows API */ fun windowNew(title: String, style: Int): LinearLayout? { if (firstWindow) { waitOnUiThread { var dataArrayMap = SimpleArrayMap<String, Long>() windowLayout = LinearLayout(this) windowLayout!!.visibility = View.GONE windowLayout!!.tag = dataArrayMap setContentView(windowLayout) this.title = title // For now we just return our DWindows' main activity layout... // in the future, later calls should create new activities firstWindow = false } return windowLayout } return null } fun windowFromId(window: View, cid: Int): View { return window.findViewById(cid) } fun windowSetData(window: View, name: String, data: Long) { if (window.tag != null) { var dataArrayMap: SimpleArrayMap<String, Long> = window.tag as SimpleArrayMap<String, Long> if (data != 0L) { dataArrayMap.put(name, data) } else { dataArrayMap.remove(name) } } } fun windowGetData(window: View, name: String): Long { var retval: Long = 0L if (window.tag != null) { var dataArrayMap: SimpleArrayMap<String, Long> = window.tag as SimpleArrayMap<String, Long> retval = dataArrayMap.get(name)!! } return retval } fun windowSetEnabled(window: View, state: Boolean) { waitOnUiThread { window.setEnabled(state) } } fun windowSetText(window: View, text: String) { waitOnUiThread { if (window is TextView) { var textview: TextView = window textview.text = text } else if (window is Button) { var button: Button = window button.text = text } else if (window is LinearLayout) { // TODO: Make sure this is actually the top-level layout, not just a box this.title = text } } } fun windowGetText(window: View): String? { var text: String? = null waitOnUiThread { if (window is TextView) { var textview: TextView = window text = textview.text.toString() } else if (window is Button) { var button: Button = window text = button.text.toString() } else if (window is LinearLayout) { // TODO: Make sure this is actually the top-level layout, not just a box text = this.title.toString() } } return text } fun windowHideShow(window: View, state: Int) { waitOnUiThread { if(state == 0) { window.visibility = View.GONE } else { window.visibility = View.VISIBLE } } } fun clipboardGetText(): String { var cm: ClipboardManager = getSystemService(CLIPBOARD_SERVICE) as ClipboardManager var clipdata = cm.primaryClip if (clipdata != null && clipdata.itemCount > 0) { return clipdata.getItemAt(0).coerceToText(this).toString() } return "" } fun clipboardSetText(text: String) { var cm: ClipboardManager = getSystemService(CLIPBOARD_SERVICE) as ClipboardManager var clipdata = ClipData.newPlainText("text", text) cm.setPrimaryClip(clipdata) } fun boxNew(type: Int, pad: Int): LinearLayout? { var box: LinearLayout? = null waitOnUiThread { box = LinearLayout(this) var dataArrayMap = SimpleArrayMap<String, Long>() box!!.tag = dataArrayMap box!!.layoutParams = LinearLayout.LayoutParams( LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT ) if (type > 0) { box!!.orientation = LinearLayout.VERTICAL } else { box!!.orientation = LinearLayout.HORIZONTAL } box!!.setPadding(pad, pad, pad, pad) } return box } fun scrollBoxNew(type: Int, pad: Int) : ScrollView? { var scrollBox: ScrollView? = null waitOnUiThread { val box = LinearLayout(this) scrollBox = ScrollView(this) var dataArrayMap = SimpleArrayMap<String, Long>() scrollBox!!.tag = dataArrayMap box.layoutParams = LinearLayout.LayoutParams( LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATCH_PARENT ) if (type > 0) { box.orientation = LinearLayout.VERTICAL } else { box.orientation = LinearLayout.HORIZONTAL } box.setPadding(pad, pad, pad, pad) // Add a pointer back to the ScrollView box.tag = scrollBox scrollBox!!.addView(box) } return scrollBox } fun boxPack( boxview: View, item: View, index: Int, width: Int, height: Int, hsize: Int, vsize: Int, pad: Int ) { waitOnUiThread { var w: Int = LinearLayout.LayoutParams.WRAP_CONTENT var h: Int = LinearLayout.LayoutParams.WRAP_CONTENT var box: LinearLayout? = null // Handle scrollboxes by pulling the LinearLayout // out of the ScrollView to pack into if (boxview is LinearLayout) { box = boxview } else if (boxview is ScrollView) { var sv: ScrollView = boxview if (sv.getChildAt(0) is LinearLayout) { box = sv.getChildAt(0) as LinearLayout } } if (box != null) { if ((item is LinearLayout) or (item is ScrollView)) { if (box.orientation == LinearLayout.VERTICAL) { if (hsize > 0) { w = LinearLayout.LayoutParams.MATCH_PARENT } } else { if (vsize > 0) { h = LinearLayout.LayoutParams.MATCH_PARENT } } } var params: LinearLayout.LayoutParams = LinearLayout.LayoutParams(w, h) if (item !is LinearLayout && (width != -1 || height != -1)) { item.measure(0, 0) if (width > 0) { w = width } else if (width == -1) { w = item.getMeasuredWidth() } if (height > 0) { h = height } else if (height == -1) { h = item.getMeasuredHeight() } } if (box.orientation == LinearLayout.VERTICAL) { if (vsize > 0) { if (w > 0) { params.weight = w.toFloat() } else { params.weight = 1F } } } else { if (hsize > 0) { if (h > 0) { params.weight = h.toFloat() } else { params.weight = 1F } } } if (pad > 0) { params.setMargins(pad, pad, pad, pad) } var grav: Int = Gravity.CLIP_HORIZONTAL or Gravity.CLIP_VERTICAL if (hsize > 0 && vsize > 0) { params.gravity = Gravity.FILL or grav } else if (hsize > 0) { params.gravity = Gravity.FILL_HORIZONTAL or grav } else if (vsize > 0) { params.gravity = Gravity.FILL_VERTICAL or grav } item.layoutParams = params box.addView(item, index) } } } fun boxUnpack(item: View) { waitOnUiThread { var box: LinearLayout = item.parent as LinearLayout box.removeView(item) } } fun boxUnpackAtIndex(box: LinearLayout, index: Int): View? { var item: View? = null waitOnUiThread { item = box.getChildAt(index) box.removeView(item) } return item } fun buttonNew(text: String, cid: Int): Button? { var button: Button? = null waitOnUiThread { button = Button(this) var dataArrayMap = SimpleArrayMap<String, Long>() button!!.tag = dataArrayMap button!!.text = text button!!.id = cid button!!.setOnClickListener { eventHandlerSimple(button!!, 8) } } return button } fun bitmapButtonNew(text: String, resid: Int): ImageButton? { var button: ImageButton? = null waitOnUiThread { button = ImageButton(this) var dataArrayMap = SimpleArrayMap<String, Long>() button!!.tag = dataArrayMap button!!.id = resid button!!.setImageResource(resid) button!!.setOnClickListener { eventHandlerSimple(button!!, 8) } } return button } fun bitmapButtonNewFromFile(text: String, cid: Int, filename: String): ImageButton? { var button: ImageButton? = null waitOnUiThread { button = ImageButton(this) var dataArrayMap = SimpleArrayMap<String, Long>() button!!.tag = dataArrayMap button!!.id = cid button!!.setOnClickListener { eventHandlerSimple(button!!, 8) } // Try to load the image, and protect against exceptions try { val f = File(filename) val b = BitmapFactory.decodeStream(FileInputStream(f)) button!!.setImageBitmap(b) } catch (e: FileNotFoundException) { } } return button } fun bitmapButtonNewFromData(text: String, cid: Int, data: ByteArray, length: Int): ImageButton? { var button: ImageButton? = null waitOnUiThread { button = ImageButton(this) var dataArrayMap = SimpleArrayMap<String, Long>() val b = BitmapFactory.decodeByteArray(data,0, length) button!!.tag = dataArrayMap button!!.id = cid button!!.setOnClickListener { eventHandlerSimple(button!!, 8) } button!!.setImageBitmap(b) } return button } fun entryfieldNew(text: String, cid: Int, password: Int): EditText? { var entryfield: EditText? = null waitOnUiThread { var dataArrayMap = SimpleArrayMap<String, Long>() entryfield = EditText(this) entryfield!!.tag = dataArrayMap entryfield!!.id = cid if (password > 0) { entryfield!!.transformationMethod = PasswordTransformationMethod.getInstance() } entryfield!!.setText(text) } return entryfield } fun entryfieldSetLimit(entryfield: EditText, limit: Long) { waitOnUiThread { entryfield.filters = arrayOf<InputFilter>(LengthFilter(limit.toInt())) } } fun radioButtonNew(text: String, cid: Int): RadioButton? { var radiobutton: RadioButton? = null waitOnUiThread { var dataArrayMap = SimpleArrayMap<String, Long>() radiobutton = RadioButton(this) radiobutton!!.tag = dataArrayMap radiobutton!!.id = cid radiobutton!!.text = text radiobutton!!.setOnClickListener { eventHandlerSimple(radiobutton!!, 8) } } return radiobutton } fun checkboxNew(text: String, cid: Int): CheckBox? { var checkbox: CheckBox? = null waitOnUiThread { var dataArrayMap = SimpleArrayMap<String, Long>() checkbox = CheckBox(this) checkbox!!.tag = dataArrayMap checkbox!!.id = cid checkbox!!.text = text checkbox!!.setOnClickListener { eventHandlerSimple(checkbox!!, 8) } } return checkbox } fun checkOrRadioSetChecked(control: View, state: Int) { waitOnUiThread { if (control is CheckBox) { var checkbox: CheckBox = control checkbox.isChecked = state != 0 } else if (control is RadioButton) { var radiobutton: RadioButton = control radiobutton.isChecked = state != 0 } } } fun checkOrRadioGetChecked(control: View): Boolean { var retval: Boolean = false waitOnUiThread { if (control is CheckBox) { var checkbox: CheckBox = control retval = checkbox.isChecked } else if (control is RadioButton) { var radiobutton: RadioButton = control retval = radiobutton.isChecked } } return retval } fun textNew(text: String, cid: Int, status: Int): TextView? { var textview: TextView? = null waitOnUiThread { var dataArrayMap = SimpleArrayMap<String, Long>() textview = TextView(this) textview!!.tag = dataArrayMap textview!!.id = cid textview!!.text = text if (status != 0) { val border = GradientDrawable() // Set a black border on white background... // might need to change this to invisible... // or the color from windowSetColor border.setColor(-0x1) border.setStroke(1, -0x1000000) textview!!.background = border } } return textview } fun mleNew(cid: Int): EditText? { var mle: EditText? = null waitOnUiThread { var dataArrayMap = SimpleArrayMap<String, Long>() mle = EditText(this) mle!!.tag = dataArrayMap mle!!.id = cid mle!!.isSingleLine = false mle!!.imeOptions = EditorInfo.IME_FLAG_NO_ENTER_ACTION mle!!.inputType = (InputType.TYPE_CLASS_TEXT or InputType.TYPE_TEXT_FLAG_MULTI_LINE) mle!!.isVerticalScrollBarEnabled = true mle!!.scrollBarStyle = View.SCROLLBARS_INSIDE_INSET mle!!.setHorizontallyScrolling(true) } return mle } fun mleSetWordWrap(mle: EditText, state: Int) { waitOnUiThread { if (state != 0) { mle.setHorizontallyScrolling(false) } else { mle.setHorizontallyScrolling(true) } } } fun mleSetEditable(mle: EditText, state: Int) { waitOnUiThread { if (state != 0) { mle.inputType = (InputType.TYPE_CLASS_TEXT or InputType.TYPE_TEXT_FLAG_MULTI_LINE) } else { mle.inputType = InputType.TYPE_NULL } } } fun mleSetCursor(mle: EditText, point: Int) { waitOnUiThread { mle.setSelection(point) } } fun mleClear(mle: EditText) { waitOnUiThread { mle.setText("") } } fun mleImport(mle: EditText, text: String, startpoint: Int): Int { var retval: Int = startpoint waitOnUiThread { val origtext = mle.text val origlen = origtext.toString().length if(startpoint < 1) { val newtext = text + origtext.toString() mle.setText(newtext) retval = origlen + text.length } else if(startpoint >= origlen) { val newtext = origtext.toString() + text mle.setText(newtext) retval = origlen + text.length } else { val newtext = origtext.substring(0, startpoint) + text + origtext.substring(startpoint) mle.setText(newtext) retval = startpoint + text.length } mle.setSelection(retval) } return retval } fun mleDelete(mle: EditText, startpoint: Int, length: Int) { waitOnUiThread { val origtext = mle.text val newtext = origtext.substring(0, startpoint) + origtext.substring(startpoint + length) mle.setText(newtext) } } fun notebookNew(cid: Int, top: Int): RelativeLayout? { var notebook: RelativeLayout? = null waitOnUiThread { val pager = ViewPager2(this) val tabs = TabLayout(this) var w: Int = RelativeLayout.LayoutParams.MATCH_PARENT var h: Int = RelativeLayout.LayoutParams.WRAP_CONTENT var dataArrayMap = SimpleArrayMap<String, Long>() notebook = RelativeLayout(this) notebook!!.tag = dataArrayMap notebook!!.id = cid tabs.id = View.generateViewId() pager.id = View.generateViewId() pager.adapter = DWTabViewPagerAdapter() TabLayoutMediator(tabs, pager) { tab, position -> // This code never gets called? }.attach() var params: RelativeLayout.LayoutParams = RelativeLayout.LayoutParams(w, h) if (top != 0) { params.addRule(RelativeLayout.ALIGN_PARENT_TOP) } else { params.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM) } tabs.tabGravity = TabLayout.GRAVITY_FILL tabs.tabMode = TabLayout.MODE_FIXED notebook!!.addView(tabs, params) params = RelativeLayout.LayoutParams(w, w) if (top != 0) { params.addRule(RelativeLayout.BELOW, tabs.id) } else { params.addRule(RelativeLayout.ABOVE, tabs.id) } notebook!!.addView(pager, params) tabs.addOnTabSelectedListener(object : OnTabSelectedListener { override fun onTabSelected(tab: TabLayout.Tab) { val adapter = pager.adapter as DWTabViewPagerAdapter pager.currentItem = tab.position eventHandlerNotebook(notebook!!, 15, adapter.pageList[tab.position]) } override fun onTabUnselected(tab: TabLayout.Tab) {} override fun onTabReselected(tab: TabLayout.Tab) {} }) } return notebook } fun notebookPageNew(notebook: RelativeLayout, flags: Long, front: Int): Long { var pageID = 0L waitOnUiThread { var pager: ViewPager2? = null var tabs: TabLayout? = null if (notebook.getChildAt(0) is ViewPager2 && notebook.getChildAt(1) is TabLayout) { pager = notebook.getChildAt(0) as ViewPager2 tabs = notebook.getChildAt(1) as TabLayout } else if (notebook.getChildAt(1) is ViewPager2 && notebook.getChildAt(0) is TabLayout) { pager = notebook.getChildAt(1) as ViewPager2 tabs = notebook.getChildAt(0) as TabLayout } if (pager != null && tabs != null) { var adapter: DWTabViewPagerAdapter = pager.adapter as DWTabViewPagerAdapter var tab = tabs.newTab() // Increment our page ID... making sure no duplicates exist do { adapter.currentPageID += 1 } while (adapter.currentPageID == 0L || adapter.pageList.contains(adapter.currentPageID)) pageID = adapter.currentPageID // Temporarily add a black tab with an empty layout/box if (front != 0) { adapter.viewList.add(0, LinearLayout(this)) adapter.pageList.add(0, pageID) tabs.addTab(tab, 0) } else { adapter.viewList.add(LinearLayout(this)) adapter.pageList.add(pageID) tabs.addTab(tab) } } } return pageID } fun notebookPageDestroy(notebook: RelativeLayout, pageID: Long) { waitOnUiThread { var pager: ViewPager2? = null var tabs: TabLayout? = null if (notebook.getChildAt(0) is ViewPager2 && notebook.getChildAt(1) is TabLayout) { pager = notebook.getChildAt(0) as ViewPager2 tabs = notebook.getChildAt(1) as TabLayout } else if (notebook.getChildAt(1) is ViewPager2 && notebook.getChildAt(0) is TabLayout) { pager = notebook.getChildAt(1) as ViewPager2 tabs = notebook.getChildAt(0) as TabLayout } if (pager != null && tabs != null) { var adapter: DWTabViewPagerAdapter = pager.adapter as DWTabViewPagerAdapter val index = adapter.pageList.indexOf(pageID) val tab = tabs.getTabAt(index) if (tab != null) { adapter.viewList.removeAt(index) adapter.pageList.removeAt(index) tabs.removeTab(tab) } } } } fun notebookPageSetText(notebook: RelativeLayout, pageID: Long, text: String) { waitOnUiThread { var pager: ViewPager2? = null var tabs: TabLayout? = null if (notebook.getChildAt(0) is ViewPager2 && notebook.getChildAt(1) is TabLayout) { pager = notebook.getChildAt(0) as ViewPager2 tabs = notebook.getChildAt(1) as TabLayout } else if (notebook.getChildAt(1) is ViewPager2 && notebook.getChildAt(0) is TabLayout) { pager = notebook.getChildAt(1) as ViewPager2 tabs = notebook.getChildAt(0) as TabLayout } if (pager != null && tabs != null) { val adapter: DWTabViewPagerAdapter = pager.adapter as DWTabViewPagerAdapter val index = adapter.pageList.indexOf(pageID) val tab = tabs.getTabAt(index) if (tab != null) { tab.text = text } } } } fun notebookPagePack(notebook: RelativeLayout, pageID: Long, box: LinearLayout) { waitOnUiThread { var pager: ViewPager2? = null var tabs: TabLayout? = null if (notebook.getChildAt(0) is ViewPager2 && notebook.getChildAt(1) is TabLayout) { pager = notebook.getChildAt(0) as ViewPager2 tabs = notebook.getChildAt(1) as TabLayout } else if (notebook.getChildAt(1) is ViewPager2 && notebook.getChildAt(0) is TabLayout) { pager = notebook.getChildAt(1) as ViewPager2 tabs = notebook.getChildAt(0) as TabLayout } if (pager != null && tabs != null) { var adapter: DWTabViewPagerAdapter = pager.adapter as DWTabViewPagerAdapter val index = adapter.pageList.indexOf(pageID) // Make sure the box is MATCH_PARENT box.layoutParams = LinearLayout.LayoutParams( LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATCH_PARENT ); adapter.viewList[index] = box } } } fun notebookPageGet(notebook: RelativeLayout): Long { var retval: Long = 0L waitOnUiThread { var pager: ViewPager2? = null var tabs: TabLayout? = null if (notebook.getChildAt(0) is ViewPager2 && notebook.getChildAt(1) is TabLayout) { pager = notebook.getChildAt(0) as ViewPager2 tabs = notebook.getChildAt(1) as TabLayout } else if (notebook.getChildAt(1) is ViewPager2 && notebook.getChildAt(0) is TabLayout) { pager = notebook.getChildAt(1) as ViewPager2 tabs = notebook.getChildAt(0) as TabLayout } if (pager != null && tabs != null) { var adapter: DWTabViewPagerAdapter = pager.adapter as DWTabViewPagerAdapter retval = adapter.pageList.get(tabs.selectedTabPosition) } } return retval } fun notebookPageSet(notebook: RelativeLayout, pageID: Long) { waitOnUiThread { var pager: ViewPager2? = null var tabs: TabLayout? = null if (notebook.getChildAt(0) is ViewPager2 && notebook.getChildAt(1) is TabLayout) { pager = notebook.getChildAt(0) as ViewPager2 tabs = notebook.getChildAt(1) as TabLayout } else if (notebook.getChildAt(1) is ViewPager2 && notebook.getChildAt(0) is TabLayout) { pager = notebook.getChildAt(1) as ViewPager2 tabs = notebook.getChildAt(0) as TabLayout } if (pager != null && tabs != null) { val adapter: DWTabViewPagerAdapter = pager.adapter as DWTabViewPagerAdapter val index = adapter.pageList.indexOf(pageID) val tab = tabs.getTabAt(index) tabs.selectTab(tab) } } } fun sliderNew(vertical: Int, increments: Int, cid: Int): SeekBar? { var slider: SeekBar? = null waitOnUiThread { var dataArrayMap = SimpleArrayMap<String, Long>() slider = SeekBar(this) slider!!.tag = dataArrayMap slider!!.id = cid slider!!.max = increments if (vertical != 0) { slider!!.rotation = 270F } slider!!.setOnSeekBarChangeListener(object : OnSeekBarChangeListener { override fun onStopTrackingTouch(seekBar: SeekBar) { } override fun onStartTrackingTouch(seekBar: SeekBar) { } override fun onProgressChanged(seekBar: SeekBar, progress: Int, fromUser: Boolean) { eventHandlerInt(slider as View, 14, slider!!.progress, 0, 0, 0) } }) } return slider } fun percentNew(cid: Int): ProgressBar? { var percent: ProgressBar? = null waitOnUiThread { var dataArrayMap = SimpleArrayMap<String, Long>() percent = ProgressBar(this) percent!!.tag = dataArrayMap percent!!.id = cid percent!!.max = 100 } return percent } fun percentGetPos(percent: ProgressBar): Int { var retval: Int = 0 waitOnUiThread { retval = percent.progress } return retval } fun percentSetPos(percent: ProgressBar, position: Int) { waitOnUiThread { percent.progress = position } } fun percentSetRange(percent: ProgressBar, range: Int) { waitOnUiThread { percent.max = range } } fun htmlNew(cid: Int): WebView? { var html: WebView? = null waitOnUiThread { var dataArrayMap = SimpleArrayMap<String, Long>() html = WebView(this) html!!.tag = dataArrayMap html!!.id = cid // Configure a few settings to make it behave as we expect html!!.webViewClient = DWWebViewClient() html!!.settings.javaScriptEnabled = true } return html } fun htmlLoadURL(html: WebView, url: String) { waitOnUiThread { html.loadUrl(url) } } fun htmlRaw(html: WebView, data: String) { waitOnUiThread { val encodedHtml: String = Base64.encodeToString(data.toByteArray(), Base64.NO_PADDING) html.loadData(encodedHtml, "text/html", "base64") } } fun htmlJavascriptRun(html: WebView, javascript: String, data: Long) { waitOnUiThread { html.evaluateJavascript(javascript) { value -> // Execute onReceiveValue's code eventHandlerHTMLResult(html, 18, value, data) } } } fun htmlAction(html: WebView, action: Int) { waitOnUiThread { when (action) { 0 -> html.goBack() 1 -> html.goForward() 2 -> html.loadUrl("http://dwindows.netlabs.org") 4 -> html.reload() 5 -> html.stopLoading() } } } fun spinButtonNew(text: String, cid: Int): DWSpinButton? { var spinbutton: DWSpinButton? = null waitOnUiThread { var dataArrayMap = SimpleArrayMap<String, Long>() val newval = text.toLongOrNull() spinbutton = DWSpinButton(this) spinbutton!!.tag = dataArrayMap spinbutton!!.id = cid spinbutton!!.setText(text) if(newval != null) { spinbutton!!.value = newval } } return spinbutton } fun spinButtonSetPos(spinbutton: DWSpinButton, position: Long) { waitOnUiThread { spinbutton.value = position spinbutton.setText(position.toString()) } } fun spinButtonSetLimits(spinbutton: DWSpinButton, upper: Long, lower: Long) { waitOnUiThread { spinbutton.maximum = upper spinbutton.minimum = lower if(spinbutton.value > upper) { spinbutton.value = upper } if(spinbutton.value < lower) { spinbutton.value = lower } spinbutton.setText(spinbutton.value.toString()) } } fun spinButtonGetPos(spinbutton: DWSpinButton): Long { var retval: Long = 0 waitOnUiThread { val newvalue = spinbutton.text.toString().toLongOrNull() if(newvalue == null) { retval = spinbutton.value } else { retval = newvalue } } return retval } fun comboBoxNew(text: String, cid: Int): DWComboBox? { var combobox: DWComboBox? = null waitOnUiThread { var dataArrayMap = SimpleArrayMap<String, Long>() combobox = DWComboBox(this) combobox!!.tag = dataArrayMap combobox!!.id = cid combobox!!.setText(text) } return combobox } fun listBoxNew(cid: Int, multi: Int): DWListBox? { var listbox: DWListBox? = null waitOnUiThread { var dataArrayMap = SimpleArrayMap<String, Long>() listbox = DWListBox(this) listbox!!.tag = dataArrayMap listbox!!.id = cid if(multi != 0) { listbox!!.choiceMode = ListView.CHOICE_MODE_MULTIPLE; } } return listbox } fun listOrComboBoxAppend(window: View, text: String) { waitOnUiThread { if(window is DWComboBox) { val combobox = window combobox.list.add(text) } else if(window is DWListBox) { val listbox = window listbox.list.add(text) } } } fun listOrComboBoxInsert(window: View, text: String, pos: Int) { waitOnUiThread { if(window is DWComboBox) { val combobox = window combobox.list.add(pos, text) } else if(window is DWListBox) { val listbox = window listbox.list.add(pos, text) } } } fun listOrComboBoxClear(window: View) { waitOnUiThread { if(window is DWComboBox) { val combobox = window combobox.list.clear() } else if(window is DWListBox) { val listbox = window listbox.list.clear() } } } fun listOrComboBoxCount(window: View): Int { var retval: Int = 0 waitOnUiThread { if(window is DWComboBox) { val combobox = window retval = combobox.list.count() } else if(window is DWListBox) { val listbox = window retval = listbox.list.count() } } return retval } fun listOrComboBoxSetText(window: View, index: Int, text: String) { waitOnUiThread { if(window is DWComboBox) { val combobox = window if(index > -1 && index < combobox.list.count()) combobox.list[index] = text } else if(window is DWListBox) { val listbox = window if(index > -1 && index < listbox.list.count()) listbox.list[index] = text } } } fun listOrComboBoxGetText(window: View, index: Int): String? { var retval: String? = null waitOnUiThread { if(window is DWComboBox) { val combobox = window if(index > -1 && index < combobox.list.count()) retval = combobox.list[index] } else if(window is DWListBox) { val listbox = window if(index > -1 && index < listbox.list.count()) retval = listbox.list[index] } } return retval } fun listOrComboBoxGetSelected(window: View): Int { var retval: Int = -1 waitOnUiThread { if(window is DWComboBox) { val combobox = window retval = combobox.selected } else if(window is DWListBox) { val listbox = window retval = listbox.selected } } return retval } fun listOrComboBoxSelect(window: View, index: Int, state: Int) { waitOnUiThread { if(window is DWComboBox) { val combobox = window if(index < combobox.list.count() && state != 0) { combobox.selected = index combobox.setText(combobox.list[index]) } } else if(window is DWListBox) { val listbox = window if(index < listbox.list.count()) { if(state != 0) { listbox.selected = index listbox.setItemChecked(index, true); } else { listbox.setItemChecked(index, false); } } } } } fun listOrComboBoxDelete(window: View, index: Int) { waitOnUiThread { if(window is DWComboBox) { val combobox = window if(index < combobox.list.count()) { combobox.list.removeAt(index) } } else if(window is DWListBox) { val listbox = window if(index < listbox.list.count()) { listbox.list.removeAt(index) } } } } fun listBoxSetTop(window: View, top: Int) { waitOnUiThread { if(window is DWListBox) { val listbox = window if(top < listbox.list.count()) { listbox.smoothScrollToPosition(top) } } } } fun listBoxSelectedMulti(window: View, where: Int): Int { var retval: Int = -1 waitOnUiThread { if(window is DWListBox) { val listbox = window val checked: SparseBooleanArray = listbox.getCheckedItemPositions() // If we are starting over.... if(where == -1 && checked.size() > 0) { retval = checked.keyAt(0) } else { // Otherwise loop until we find our current place for (i in 0 until checked.size()) { // Item position in adapter val position: Int = checked.keyAt(i) // If we are at our current point... check to see // if there is another one, and return it... // otherwise we will return -1 to indicated we are done. if (where == position && (i+1) < checked.size()) { retval = checked.keyAt(i+1) } } } } } return retval } fun calendarNew(cid: Int): CalendarView? { var calendar: CalendarView? = null waitOnUiThread { var dataArrayMap = SimpleArrayMap<String, Long>() calendar = CalendarView(this) calendar!!.tag = dataArrayMap calendar!!.id = cid calendar!!.setOnDateChangeListener { calendar, year, month, day -> val c: Calendar = Calendar.getInstance(); c.set(year, month, day); calendar.date = c.timeInMillis } } return calendar } fun calendarSetDate(calendar: CalendarView, date: Long) { waitOnUiThread { // Convert from seconds to milliseconds calendar.setDate(date * 1000, true, true) } } fun calendarGetDate(calendar: CalendarView): Long { var date: Long = 0 waitOnUiThread { // Convert from milliseconds to seconds date = calendar.date / 1000 } return date } fun bitmapNew(cid: Int): ImageView? { var imageview: ImageView? = null waitOnUiThread { var dataArrayMap = SimpleArrayMap<String, Long>() imageview = ImageView(this) imageview!!.tag = dataArrayMap imageview!!.id = cid } return imageview } fun windowSetBitmap(window: View, resID: Int, filename: String?) { waitOnUiThread { if(resID != 0) { if(window is ImageButton) { val button = window button.setImageResource(resID) } else if(window is ImageView) { val imageview = window imageview.setImageResource(resID) } } else if(filename != null) { // Try to load the image, and protect against exceptions try { val f = File(filename) val b = BitmapFactory.decodeStream(FileInputStream(f)) if(window is ImageButton) { val button = window button.setImageBitmap(b) } else if(window is ImageView) { val imageview = window imageview.setImageBitmap(b) } } catch (e: FileNotFoundException) { } } } } fun windowSetBitmapFromData(window: View, resID: Int, data: ByteArray?, length: Int) { waitOnUiThread { if(resID != 0) { if (window is ImageButton) { val button = window button.setImageResource(resID) } else if (window is ImageView) { val imageview = window imageview.setImageResource(resID) } } else if(data != null) { val b = BitmapFactory.decodeByteArray(data, 0, length) if (window is ImageButton) { val button = window button.setImageBitmap(b) } else if (window is ImageView) { val imageview = window imageview.setImageBitmap(b) } } } } fun iconNew(filename: String?, data: ByteArray?, length: Int, resID: Int): Drawable? { var icon: Drawable? = null waitOnUiThread { if(resID != 0) { icon = ResourcesCompat.getDrawable(resources, resID, null); } else if(filename != null) { // Try to load the image, and protect against exceptions try { icon = Drawable.createFromPath(filename) } catch (e: FileNotFoundException) { } } else if(data != null) { icon = BitmapDrawable(resources, BitmapFactory.decodeByteArray(data, 0, length)) } } return icon } fun pixmapNew(width: Int, height: Int, filename: String?, data: ByteArray?, length: Int, resID: Int): Bitmap? { var pixmap: Bitmap? = null waitOnUiThread { if(width > 0 && height > 0) { pixmap = Bitmap.createBitmap(null, width, height, Bitmap.Config.ARGB_8888) } else if(resID != 0) { pixmap = BitmapFactory.decodeResource(resources, resID); } else if(filename != null) { // Try to load the image, and protect against exceptions try { val f = File(filename) pixmap = BitmapFactory.decodeStream(FileInputStream(f)) } catch (e: FileNotFoundException) { } } else if(data != null) { pixmap = BitmapFactory.decodeByteArray(data, 0, length) } } return pixmap } fun pixmapGetDimensions(pixmap: Bitmap): Long { var dimensions: Long = 0 waitOnUiThread { dimensions = pixmap.width.toLong() or (pixmap.height.toLong() shl 32) } return dimensions } fun renderNew(cid: Int): DWRender? { var render: DWRender? = null waitOnUiThread { var dataArrayMap = SimpleArrayMap<String, Long>() render = DWRender(this) render!!.tag = dataArrayMap render!!.id = cid } return render } fun renderRedraw(render: DWRender) { render.invalidate() } fun timerConnect(interval: Long, sigfunc: Long, data: Long): Timer { // creating timer task, timer val t = Timer() val tt: TimerTask = object : TimerTask() { override fun run() { if(eventHandlerTimer(sigfunc, data) == 0) { t.cancel() } } } t.scheduleAtFixedRate(tt, interval, interval) return t } fun timerDisconnect(timer: Timer) { timer.cancel() } fun doBeep(duration: Int) { val toneGen = ToneGenerator(AudioManager.STREAM_ALARM, 100) toneGen.startTone(ToneGenerator.TONE_CDMA_PIP, duration) val handler = Handler(Looper.getMainLooper()) handler.postDelayed({ toneGen.release() }, (duration + 50).toLong()) } fun debugMessage(text: String) { Log.d(null, text) } fun fileBrowse(title: String, defpath: String?, ext: String?, flags: Int): String? { var retval: String? = null waitOnUiThread { val fc = DWFileChooser(this) fc.setFileListener(object: DWFileChooser.FileSelectedListener { override fun fileSelected(file: File?) { // do something with the file retval = file!!.absolutePath throw java.lang.RuntimeException() } }) if(ext != null) { fc.setExtension(ext) } fc.showDialog() } // loop till a runtime exception is triggered. try { Looper.loop() } catch (e2: RuntimeException) { } return retval } fun messageBox(title: String, body: String, flags: Int): Int { var retval: Int = 0 waitOnUiThread { // make a text input dialog and show it var alert = AlertDialog.Builder(this) alert.setTitle(title) alert.setMessage(body) if ((flags and (1 shl 3)) != 0) { alert.setPositiveButton("Yes", //android.R.string.yes, DialogInterface.OnClickListener { _: DialogInterface, _: Int -> retval = 1 throw java.lang.RuntimeException() }); } if ((flags and ((1 shl 1) or (1 shl 2))) != 0) { alert.setNegativeButton( android.R.string.ok, DialogInterface.OnClickListener { _: DialogInterface, _: Int -> retval = 0 throw java.lang.RuntimeException() }); } if ((flags and ((1 shl 3) or (1 shl 4))) != 0) { alert.setNegativeButton("No", //android.R.string.no, DialogInterface.OnClickListener { _: DialogInterface, _: Int -> retval = 0 throw java.lang.RuntimeException() }); } if ((flags and ((1 shl 2) or (1 shl 4))) != 0) { alert.setNeutralButton( android.R.string.cancel, DialogInterface.OnClickListener { _: DialogInterface, _: Int -> retval = 2 throw java.lang.RuntimeException() }); } alert.show(); // loop till a runtime exception is triggered. try { Looper.loop() } catch (e2: RuntimeException) { } } return retval } fun isUIThread(): Boolean { if(Looper.getMainLooper() == Looper.myLooper()) { return true } return false } fun mainSleep(milliseconds: Int) { // If we are on the main UI thread... add an idle handler // Then loop until we throw an exception when the time expires // in the idle handler, if we are already thrown... remove the handler if(Looper.getMainLooper() == Looper.myLooper()) { val starttime = System.currentTimeMillis() // Waiting for Idle to make sure Toast gets rendered. Looper.myQueue().addIdleHandler(object : MessageQueue.IdleHandler { var thrown: Boolean = false override fun queueIdle(): Boolean { if(System.currentTimeMillis() - starttime >= milliseconds) { if (thrown == false) { thrown = true throw java.lang.RuntimeException() } return false } return true } }) // loop till a runtime exception is triggered. try { Looper.loop() } catch (e2: RuntimeException) { } } else { // If we are in a different thread just sleep Thread.sleep(milliseconds.toLong()) } } fun dwindowsExit(exitcode: Int) { waitOnUiThread { this.finishAffinity() System.exit(exitcode) } } fun dwindowsShutdown() { waitOnUiThread { this.finishAffinity() } } fun dwInit(appid: String, appname: String) { waitOnUiThread { // Create the notification channel in dw_init() if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { // Create the NotificationChannel val importance = NotificationManager.IMPORTANCE_DEFAULT val mChannel = NotificationChannel(appid, appname, importance) // Register the channel with the system; you can't change the importance // or other notification behaviors after this val notificationManager = getSystemService(NOTIFICATION_SERVICE) as NotificationManager notificationManager.createNotificationChannel(mChannel) } } } fun notificationNew(title: String, imagepath: String, text: String, appid: String): NotificationCompat.Builder? { var builder: NotificationCompat.Builder? = null waitOnUiThread { builder = NotificationCompat.Builder(this, appid) .setContentTitle(title) .setContentText(text) .setPriority(NotificationCompat.PRIORITY_DEFAULT) } return builder } fun notificationSend(builder: NotificationCompat.Builder) { waitOnUiThread { notificationID += 1 with(NotificationManagerCompat.from(this)) { // notificationId is a unique int for each notification that you must define notify(notificationID, builder.build()) } } } /* * Native methods that are implemented by the 'dwindows' native library, * which is packaged with this application. */ external fun dwindowsInit(dataDir: String, appid: String) external fun eventHandler( obj1: View?, obj2: View?, message: Int, str1: String?, str2: String?, inta: Int, intb: Int, intc: Int, intd: Int ): Int external fun eventHandlerInt( obj1: View, message: Int, inta: Int, intb: Int, intc: Int, intd: Int ) external fun eventHandlerSimple(obj1: View, message: Int) external fun eventHandlerNotebook(obj1: View, message: Int, pageID: Long) external fun eventHandlerTimer(sigfunc: Long, data: Long): Int external fun eventHandlerHTMLResult(obj1: View, message: Int, result: String, data: Long) companion object { // Used to load the 'dwindows' library on application startup. init { System.loadLibrary("dwindows") } } }