SimpleResizer: app/src/main/java/com/bartsent/simpleresizer/EditImage.kt comparison

comparison app/src/main/java/com/bartsent/simpleresizer/EditImage.kt @ 42:45e4df5226c0

Shares, but creates multiple versions of cruft file.

author	David Barts <n5jrn@me.com>
date	Sat, 10 Apr 2021 09:02:44 -0700
parents	cfb19d4ccf78
children	9cb9bb5da247

comparison

equal deleted inserted replaced

-:9231f1a41a59
+:45e4df5226c0
 import androidx.lifecycle.ViewModelProvider
 import androidx.preference.PreferenceManager
 import com.bartsent.simpleresizer.databinding.ActivityEditImageBinding
 import com.bartsent.simpleresizer.lib.ThreadPools
 import com.bartsent.simpleresizer.lib.getScaledInstance
+import com.google.android.material.floatingactionbutton.FloatingActionButton
 import java.io.File
 import java.io.IOException
 import java.util.concurrent.Callable
 import java.util.concurrent.Future
 class EditImage : AppCompatActivity() {
 class State: ViewModel() {
 var uri: Uri? = null
 var bitmap: Bitmap? = null
 var reader: Future<Unit>? = null
+var permissionsCallback: (() -> Unit)? = null
+var sharable: Boolean = false
 }
 private lateinit var viewModel: State
 private val STDDIMS = arrayOf<Int>(1600, 1280, 1024, 800, 640, 512, 400, 320).apply {
 sort()
 }
+private val IMAGE_TO_SEND = "sent_image.jpg"
 private lateinit var binding: ActivityEditImageBinding
 override fun onCreate(savedInstanceState: Bundle?) {
 super.onCreate(savedInstanceState)
 }
 // User has opened a new image.
 if (imageUri != viewModel.uri) {
 viewModel.uri = imageUri
+makeMundane()
 binding.progressBar.visibility = ProgressBar.VISIBLE
 viewModel.reader = ThreadPools.WORKERS.submit(Callable<Unit> {
 val newBitmap = contentResolver.openInputStream(imageUri).use {
 BitmapFactory.decodeStream(it)
 }
 // Rotation (of the phone).
 val oldBitmap = viewModel.bitmap
 if (oldBitmap != null)
 setImage(oldBitmap)
+binding.fabulous.visibility = if (viewModel.sharable) FloatingActionButton.VISIBLE else FloatingActionButton.GONE
 }
 override fun onDestroy() {
 // Read tasks may get badly constipated, since the image may well be on
 // cloud server like Google Pictures. So be sure to terminate any active
 else
 Bitmap.createScaledBitmap(oldBitmap, newWidth, newHeight, true)
 runOnUiThread {
 binding.progressBar.visibility = ProgressBar.INVISIBLE
 setImage(newBitmap)
+makeFabulous()
 }
 }
 }
 private fun showCustomScaleDialog(): Unit {
 }
 }
 fun cancelClicked(view: View): Unit {
 unsetImage()
+makeMundane()
 finish()
+}
+private fun makeFabulous(): Unit {
+binding.fabulous.visibility = FloatingActionButton.VISIBLE
+viewModel.sharable = true
+}
+private fun makeMundane(): Unit {
+binding.fabulous.visibility = FloatingActionButton.GONE
+viewModel.sharable = false
 }
 private val REQUEST_WRITE_EXTERNAL = 42
 override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray): Unit {
 if (requestCode != REQUEST_WRITE_EXTERNAL) {
 Log.e("EditImage", "unexpected request code in onRequestPermissionsResult!")
 return
 }
 if ((grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED)) {
-doneClicked(null)
+val cb = viewModel.permissionsCallback
+if (cb != null) {
+viewModel.permissionsCallback = null
+cb()
+}
 } else {
 showError(getString(R.string.error_unable_no_permissions))
 }
 }
-fun requestWritePermission(): Unit {
+private fun requestWritePermission(): Unit {
 requestPermissions(arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE), REQUEST_WRITE_EXTERNAL)
 }
-fun doneClicked(view: View?): Unit {
+private fun needsWritePermission(callback: () -> Unit): Boolean {
-// If we need WRITE_EXTERNAL_STORAGE, request it and bail. We will be called again
-// (with the permission) if it is granted.
 if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.Q) {
 if (checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_DENIED) {
+viewModel.permissionsCallback = callback
 if (shouldShowRequestPermissionRationale(Manifest.permission.WRITE_EXTERNAL_STORAGE))
 AlertDialog.Builder(this).also {
-it.setMessage(getString(R.string.permission_needed, getString(R.string.app_name)))
+it.setMessage(
+getString(
+R.string.permission_needed,
+getString(R.string.app_name)
+)
+)
 it.setNeutralButton(R.string.ok_text) { dialog, _ ->
 dialog.dismiss()
 requestWritePermission()
 }
 it.create()
 }.show()
 else
 requestWritePermission()
-return
+return true
 }
 }
+return false
+}
+fun shareClicked(view: View): Unit {
+// If we need WRITE_EXTERNAL_STORAGE, request it and bail. We will be called again
+// (with the permission) if it is granted.
+if (needsWritePermission({ shareClicked(view) }))
+return
 // If we get here, we have permission to save (if we need it).
+val contentValues = makeContentValues(IMAGE_TO_SEND)
+// Delete any old file(s)
+val cols = if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q)
+arrayOf<String>(MediaStore.MediaColumns.DISPLAY_NAME, MediaStore.MediaColumns.MIME_TYPE, MediaStore.MediaColumns.RELATIVE_PATH)
+else
+arrayOf<String>(MediaStore.MediaColumns.DISPLAY_NAME, MediaStore.MediaColumns.MIME_TYPE)
+val query = StringBuilder()
+for (col in cols) {
+if (query.isNotEmpty())
+query.append(" and ")
+query.append(col)
+query.append(" = ?")
+}
+try {
+contentResolver.delete(
+MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
+query.toString(),
+cols.map { contentValues.getAsString(it) }.toTypedArray()
+)
+} catch (e: Exception) {
+Log.e("EditImage", "unexpected exception when sharing!", e)
+}
+// Save new file, use it to share data.
+saveAs(contentValues) {
+val shareIntent: Intent = Intent().apply {
+action = Intent.ACTION_SEND
+putExtra(Intent.EXTRA_STREAM, it)
+type = "image/jpeg"
+}
+startActivity(Intent.createChooser(shareIntent, resources.getText(R.string.share_text)))
+}
+}
+fun doneClicked(view: View): Unit {
+// If we need WRITE_EXTERNAL_STORAGE, request it and bail. We will be called again
+// (with the permission) if it is granted.
+if (needsWritePermission({ doneClicked(view) }))
+return
+// If we get here, we have permission to save (if we need it).
+val image = viewModel.bitmap!!
+var fileName = getFileName(viewModel.uri!!)
+if (fileName == null) {
+val d = java.util.Date()
+fileName = "IMG_%tY%tm%td_%tH%tM%tS".format(d, d, d, d, d, d)
+}
+val dot = fileName.lastIndexOf('.')
+if (dot != -1)
+fileName = fileName.substring(0, dot)
+fileName = "${fileName}_${image.width}x${image.height}.jpg"
+saveAs(makeContentValues(fileName)) {
+unsetImage()
+makeMundane()
+finish()
+}
+}
+private fun makeContentValues(fileName: String): ContentValues = ContentValues().apply {
+put(MediaStore.MediaColumns.DISPLAY_NAME, fileName)
+put(MediaStore.MediaColumns.MIME_TYPE, "image/jpeg")
+if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
+put(MediaStore.MediaColumns.RELATIVE_PATH,
+File(Environment.DIRECTORY_PICTURES, getString(R.string.app_name)).path)
+}
+}
+private fun saveAs(contentValues: ContentValues, callback: (Uri) -> Unit) {
 val image = viewModel.bitmap!!
 binding.progressBar.visibility = ProgressBar.VISIBLE
 ThreadPools.WORKERS.execute {
-val contentValues = ContentValues().apply {
-var fileName = getFileName(viewModel.uri!!)
-if (fileName == null) {
-val d = java.util.Date()
-fileName = "IMG_%tY%tm%td_%tH%tM%tS".format(d, d, d, d, d, d)
-}
-val dot = fileName.lastIndexOf('.')
-if (dot != -1)
-fileName = fileName.substring(0, dot)
-fileName = "${fileName}_${image.width}x${image.height}.jpg"
-put(MediaStore.MediaColumns.DISPLAY_NAME, fileName)
-put(MediaStore.MediaColumns.MIME_TYPE, "image/jpeg")
-if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
-put(MediaStore.MediaColumns.RELATIVE_PATH,
-File(Environment.DIRECTORY_PICTURES, getString(R.string.app_name)).path)
-}
-}
 var errorMessage: String? = null
+val myUri = try {
+contentResolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, contentValues)
+} catch(e: Exception) {
+Log.e("EditImage", "unexpected exception when saving!", e)
+null
+}
 try {
-val myUri = contentResolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, contentValues)
 if (myUri == null) {
 throw IOException(getString(R.string.error_create_mediastore))
 }
 val stream = contentResolver.openOutputStream(myUri)
 if (stream == null) {
 errorMessage = e.message ?: getString(R.string.error_unexpected, e::class.qualifiedName)
 }
 runOnUiThread {
 binding.progressBar.visibility = ProgressBar.INVISIBLE
 if (errorMessage == null) {
-unsetImage()
+callback(myUri!!)
-finish()
 } else {
 showError(errorMessage)
 }
 }
 }

Mercurial > cgi-bin > hgweb.cgi > SimpleResizer

comparison app/src/main/java/com/bartsent/simpleresizer/EditImage.kt @ 42:45e4df5226c0