mirror of
https://github.com/SimpleMobileTools/Simple-Draw.git
synced 2025-06-05 21:59:17 +02:00
convert MainActivity to kotlin
This commit is contained in:
tibbi
@ -219,12 +219,20 @@ class MyCanvas(context: Context, attrs: AttributeSet) : View(context, attrs) {
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super.onRestoreInstanceState(savedState.superState)
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mPaths = savedState.mPaths
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pathsUpdated() // This doesn't seem to be necessary
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pathsUpdated()
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}
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internal class SavedState : View.BaseSavedState {
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var mPaths: MutableMap<MyPath, PaintOptions>? = null
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companion object {
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val CREATOR: Parcelable.Creator<SavedState> = object : Parcelable.Creator<SavedState> {
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override fun newArray(size: Int): Array<SavedState> = arrayOf()
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override fun createFromParcel(source: Parcel) = SavedState(source)
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}
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}
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constructor(superState: Parcelable) : super(superState)
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override fun writeToParcel(out: Parcel, flags: Int) {
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@ -245,13 +253,5 @@ class MyCanvas(context: Context, attrs: AttributeSet) : View(context, attrs) {
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mPaths!!.put(key, paintOptions)
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}
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}
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companion object {
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val CREATOR: Parcelable.Creator<SavedState> = object : Parcelable.Creator<SavedState> {
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override fun newArray(size: Int): Array<SavedState> = arrayOf()
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override fun createFromParcel(source: Parcel) = SavedState(source)
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}
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}
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}
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}
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@ -0,0 +1,327 @@
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package com.simplemobiletools.draw.activities
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import android.Manifest
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import android.content.Intent
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import android.content.pm.PackageManager
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import android.graphics.Bitmap
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import android.graphics.drawable.ColorDrawable
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import android.media.MediaScannerConnection
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import android.net.Uri
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import android.os.Bundle
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import android.os.Environment
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import android.support.v4.app.ActivityCompat
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import android.support.v4.content.ContextCompat
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import android.support.v4.content.FileProvider
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import android.support.v7.app.AlertDialog
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import android.util.Log
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import android.view.Menu
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import android.view.MenuItem
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import android.view.View
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import android.widget.*
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import butterknife.BindView
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import butterknife.ButterKnife
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import butterknife.OnClick
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import com.simplemobiletools.commons.activities.AboutActivity
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import com.simplemobiletools.draw.*
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import yuku.ambilwarna.AmbilWarnaDialog
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import java.io.ByteArrayOutputStream
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import java.io.File
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import java.io.FileOutputStream
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import java.io.IOException
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class MainActivity : SimpleActivity(), MyCanvas.PathsChangedListener {
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@BindView(R.id.my_canvas) internal var mMyCanvas: MyCanvas? = null
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@BindView(R.id.undo) internal var mUndoBtn: View? = null
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@BindView(R.id.color_picker) internal var mColorPicker: View? = null
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@BindView(R.id.stroke_width_bar) internal var mStrokeWidthBar: SeekBar? = null
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private var curFileName: String? = null
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private var curExtensionId = 0
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private var color = 0
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private var strokeWidth = 0f
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companion object {
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private val TAG = MainActivity::class.java.simpleName
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private val FOLDER_NAME = "images"
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private val FILE_NAME = "simple-draw.png"
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private val SAVE_FOLDER_NAME = "Simple Draw"
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private val STORAGE_PERMISSION = 1
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}
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContentView(R.layout.activity_main)
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ButterKnife.bind(this)
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mMyCanvas!!.setListener(this)
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mStrokeWidthBar!!.setOnSeekBarChangeListener(onStrokeWidthBarChangeListener)
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setBackgroundColor(Config.newInstance(this).backgroundColor)
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setColor(Config.newInstance(this).brushColor)
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strokeWidth = Config.newInstance(this).strokeWidth
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mMyCanvas!!.setStrokeWidth(strokeWidth)
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mStrokeWidthBar!!.progress = strokeWidth.toInt()
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}
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override fun onResume() {
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super.onResume()
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val isStrokeWidthBarEnabled = Config.newInstance(this).showBrushSizeEnabled
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mStrokeWidthBar!!.visibility = if (isStrokeWidthBarEnabled) View.VISIBLE else View.GONE
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mMyCanvas!!.setIsStrokeWidthBarEnabled(isStrokeWidthBarEnabled)
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}
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override fun onPause() {
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super.onPause()
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Config.newInstance(this).brushColor = color
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Config.newInstance(this).strokeWidth = strokeWidth
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}
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override fun onDestroy() {
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super.onDestroy()
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Config.newInstance(applicationContext).isFirstRun = false
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}
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override fun onCreateOptionsMenu(menu: Menu): Boolean {
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menuInflater.inflate(R.menu.menu, menu)
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return true
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}
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override fun onOptionsItemSelected(item: MenuItem): Boolean {
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when (item.itemId) {
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R.id.menu_save -> {
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saveImage()
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return true
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}
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R.id.menu_share -> {
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shareImage()
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return true
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}
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R.id.settings -> {
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startActivity(Intent(applicationContext, SettingsActivity::class.java))
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return true
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}
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R.id.clear -> {
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mMyCanvas!!.clearCanvas()
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return true
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}
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R.id.change_background -> {
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val oldColor = (mMyCanvas!!.background as ColorDrawable).color
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val dialog = AmbilWarnaDialog(this, oldColor,
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object : AmbilWarnaDialog.OnAmbilWarnaListener {
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override fun onCancel(dialog: AmbilWarnaDialog) {}
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override fun onOk(dialog: AmbilWarnaDialog, pickedColor: Int) {
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setBackgroundColor(pickedColor)
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Config.newInstance(applicationContext).backgroundColor = pickedColor
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}
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})
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dialog.show()
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return true
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}
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R.id.about -> {
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startActivity(Intent(applicationContext, AboutActivity::class.java))
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return true
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}
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else -> return super.onOptionsItemSelected(item)
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}
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}
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override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
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super.onRequestPermissionsResult(requestCode, permissions, grantResults)
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if (requestCode == STORAGE_PERMISSION) {
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if (grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
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saveImage()
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} else {
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Toast.makeText(this, resources.getString(R.string.no_permissions), Toast.LENGTH_SHORT).show()
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}
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}
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}
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private fun saveImage() {
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if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
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ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.READ_EXTERNAL_STORAGE), STORAGE_PERMISSION)
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return
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}
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val saveFileView = layoutInflater.inflate(R.layout.save_file, null)
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val builder = AlertDialog.Builder(this)
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builder.setTitle(resources.getString(R.string.save_file))
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val fileNameET = saveFileView.findViewById(R.id.file_name) as EditText
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fileNameET.setText(curFileName)
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val fileExtensionRG = saveFileView.findViewById(R.id.extension_radio_group) as RadioGroup
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if (curExtensionId != 0) {
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fileExtensionRG.check(curExtensionId)
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}
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builder.setView(saveFileView)
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builder.setPositiveButton(R.string.ok, null)
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builder.setNegativeButton(R.string.cancel, null)
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val alertDialog = builder.create()
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alertDialog.show()
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alertDialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener {
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val fileName = fileNameET.text.toString().trim { it <= ' ' }
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if (!fileName.isEmpty()) {
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val extension: String
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when (fileExtensionRG.checkedRadioButtonId) {
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R.id.extension_radio_svg -> extension = ".svg"
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else -> extension = ".png"
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}
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if (saveFile(fileName, extension)) {
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curFileName = fileName
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curExtensionId = fileExtensionRG.checkedRadioButtonId
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Utils.showToast(applicationContext, R.string.saving_ok)
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alertDialog.dismiss()
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} else {
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Utils.showToast(applicationContext, R.string.saving_error)
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}
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} else {
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Utils.showToast(applicationContext, R.string.enter_file_name)
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}
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}
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}
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private fun saveFile(fileName: String, extension: String): Boolean {
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val path = Environment.getExternalStorageDirectory().toString()
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val directory = File(path, SAVE_FOLDER_NAME)
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if (!directory.exists()) {
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if (!directory.mkdir()) {
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return false
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}
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}
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val file = File(directory, fileName + extension)
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when (extension) {
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".png" -> {
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val bitmap = mMyCanvas!!.bitmap
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var out: FileOutputStream? = null
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try {
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out = FileOutputStream(file)
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bitmap.compress(Bitmap.CompressFormat.PNG, 100, out)
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MediaScannerConnection.scanFile(applicationContext, arrayOf(file.absolutePath), null, null)
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} catch (e: Exception) {
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Log.e(TAG, "MainActivity SaveFile (.png) " + e.message)
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return false
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} finally {
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try {
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if (out != null) {
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out.close()
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}
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} catch (e: IOException) {
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Log.e(TAG, "MainActivity SaveFile (.png) 2 " + e.message)
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}
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}
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}
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".svg" -> {
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try {
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Svg.saveSvg(file, mMyCanvas!!)
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} catch (e: Exception) {
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Log.e(TAG, "MainActivity SaveFile (.svg) " + e.message)
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return false
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}
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}
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else -> return false
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}
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return true
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}
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private fun shareImage() {
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val shareTitle = resources.getString(R.string.share_via)
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val bitmap = mMyCanvas!!.bitmap
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val sendIntent = Intent()
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val uri = getImageUri(bitmap) ?: return
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sendIntent.action = Intent.ACTION_SEND
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sendIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
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sendIntent.setDataAndType(uri, contentResolver.getType(uri))
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sendIntent.putExtra(Intent.EXTRA_STREAM, uri)
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sendIntent.type = "image/*"
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startActivity(Intent.createChooser(sendIntent, shareTitle))
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}
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private fun getImageUri(bitmap: Bitmap): Uri? {
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val bytes = ByteArrayOutputStream()
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bitmap.compress(Bitmap.CompressFormat.PNG, 0, bytes)
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val folder = File(cacheDir, FOLDER_NAME)
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if (!folder.exists()) {
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if (!folder.mkdir())
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return null
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}
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val file = File(folder, FILE_NAME)
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var fileOutputStream: FileOutputStream? = null
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try {
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fileOutputStream = FileOutputStream(file)
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fileOutputStream.write(bytes.toByteArray())
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} catch (e: Exception) {
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Log.e(TAG, "getImageUri 1 " + e.message)
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} finally {
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try {
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if (fileOutputStream != null)
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fileOutputStream.close()
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} catch (e: IOException) {
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Log.e(TAG, "getImageUri 2 " + e.message)
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}
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}
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return FileProvider.getUriForFile(this, "com.simplemobiletools.draw.fileprovider", file)
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}
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@OnClick(R.id.undo)
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fun undo() {
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mMyCanvas!!.undo()
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}
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@OnClick(R.id.color_picker)
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fun pickColor() {
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val dialog = AmbilWarnaDialog(this, color, object : AmbilWarnaDialog.OnAmbilWarnaListener {
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override fun onCancel(dialog: AmbilWarnaDialog) {}
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override fun onOk(dialog: AmbilWarnaDialog, pickedColor: Int) {
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setColor(pickedColor)
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}
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})
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dialog.show()
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}
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private fun setBackgroundColor(pickedColor: Int) {
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(mUndoBtn as ImageView).setImageResource(R.drawable.ic_undo)
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mMyCanvas!!.setBackgroundColor(pickedColor)
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}
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private fun setColor(pickedColor: Int) {
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color = pickedColor
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mColorPicker!!.setBackgroundColor(color)
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mMyCanvas!!.setColor(color)
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}
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override fun pathsChanged(cnt: Int) {
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mUndoBtn!!.visibility = if (cnt > 0) View.VISIBLE else View.GONE
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}
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internal var onStrokeWidthBarChangeListener: SeekBar.OnSeekBarChangeListener = object : SeekBar.OnSeekBarChangeListener {
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override fun onProgressChanged(seekBar: SeekBar, progress: Int, fromUser: Boolean) {
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mMyCanvas!!.setStrokeWidth(progress.toFloat())
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strokeWidth = progress.toFloat()
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}
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override fun onStartTrackingTouch(seekBar: SeekBar) {}
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override fun onStopTrackingTouch(seekBar: SeekBar) {}
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}
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}
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Block a user