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@T8RIN
T8RIN committed Apr 7, 2022
1 parent a1ad6fd commit cac3837
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Showing 2 changed files with 31 additions and 65 deletions.
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96 changes: 31 additions & 65 deletions app/src/main/java/ru/tech/imageresizershrinker/MainActivity.kt
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Original file line number Diff line number Diff line change
@@ -1,17 +1,19 @@
package ru.tech.imageresizershrinker

import android.Manifest
import android.annotation.SuppressLint
import android.content.ContentResolver
import android.content.ContentValues
import android.content.pm.PackageManager
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.graphics.ImageDecoder
import android.graphics.ImageDecoder.createSource
import android.graphics.ImageDecoder.decodeBitmap
import android.os.Build
import android.os.Bundle
import android.os.Environment
import android.provider.MediaStore
import android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI
import android.provider.MediaStore.Images.Media.getBitmap
import android.widget.Toast
import androidx.activity.ComponentActivity
import androidx.activity.compose.rememberLauncherForActivityResult
Expand Down Expand Up @@ -42,29 +44,20 @@ import java.util.*
class MainActivity : ComponentActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)

setContent {
ImageResizerShrinkerTheme {
val ctx = LocalContext.current

val bitmap = remember { mutableStateOf<Bitmap?>(null) }

val launcher =
rememberLauncherForActivityResult(contract = ActivityResultContracts.GetContent()) { uri ->
uri?.let {
bitmap.value = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
ImageDecoder.decodeBitmap(
ImageDecoder.createSource(
ctx.contentResolver,
it
)
bitmap.value =
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) decodeBitmap(
createSource(ctx.contentResolver, it)
)
} else {
MediaStore.Images.Media.getBitmap(ctx.contentResolver, it)
}
else getBitmap(ctx.contentResolver, it)
}
}

Surface(
color = MaterialTheme.colorScheme.background,
modifier = Modifier.fillMaxSize()
Expand All @@ -78,15 +71,13 @@ class MainActivity : ComponentActivity() {
verticalArrangement = Arrangement.Center,
horizontalAlignment = Alignment.CenterHorizontally
) {

bitmap.value?.let {
Image(
it.asImageBitmap(),
null
)
Spacer(Modifier.size(40.dp))
}

Column {
var width by rememberSaveable { mutableStateOf("") }
var height by rememberSaveable { mutableStateOf("") }
Expand All @@ -99,52 +90,34 @@ class MainActivity : ComponentActivity() {
keyboardOptions = KeyboardOptions(
keyboardType = KeyboardType.Number
),
label = {
Text("Width")
}
label = { Text("Width") }
)

Spacer(Modifier.size(20.dp))

TextField(
value = height,
onValueChange = { height = it },
keyboardOptions = KeyboardOptions(
keyboardType = KeyboardType.Number
),
label = {
Text("Height")
}
label = { Text("Height") }
)

Spacer(Modifier.size(40.dp))

TextField(
value = quality,
onValueChange = {
quality =
if ((it.toIntOrNull() ?: 0) > 100) "100" else it
},
keyboardOptions = KeyboardOptions(
keyboardType = KeyboardType.Number
),
label = {
Text("Quality")
}
keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
label = { Text("Quality") }
)

Spacer(Modifier.size(20.dp))

RadioGroup(
options = listOf("PNG", "JPEG"),
selectedOption = mime,
onOptionSelected = {
mime = it
}
onOptionSelected = { mime = it }
)

Spacer(Modifier.size(20.dp))

TextButton(
onClick = {
bitmap.value?.let {
Expand All @@ -168,12 +141,10 @@ class MainActivity : ComponentActivity() {
Text("SAVE")
}
}

Spacer(Modifier.size(20.dp))
FilledTonalButton(onClick = { launcher.launch("image/*") }) {
Text("PICK IMAGE")
}

Spacer(Modifier.size(40.dp))
}
}
Expand Down Expand Up @@ -210,26 +181,24 @@ class MainActivity : ComponentActivity() {
}

private fun saveImage(b: Bitmap, quality: Int?, width: Int?, height: Int?, mime: Int): Bitmap {

val timeStamp: String =
SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault()).format(Date())
val name = "ResizedImage$timeStamp.jpg"

val bitmap = Bitmap.createScaledBitmap(
b,
width ?: b.width,
height ?: b.height,
false
)

val fos: OutputStream? = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
val resolver: ContentResolver = contentResolver
val contentValues = ContentValues()
contentValues.put(MediaStore.MediaColumns.DISPLAY_NAME, name)
contentValues.put(MediaStore.MediaColumns.MIME_TYPE, "image/jpeg")
contentValues.put(MediaStore.MediaColumns.RELATIVE_PATH, "DCIM/ResizedImages")
val contentValues = ContentValues().apply {
put(MediaStore.MediaColumns.DISPLAY_NAME, name)
put(MediaStore.MediaColumns.MIME_TYPE, "image/jpeg")
put(MediaStore.MediaColumns.RELATIVE_PATH, "DCIM/ResizedImages")
}
val imageUri =
resolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, contentValues)
resolver.insert(EXTERNAL_CONTENT_URI, contentValues)
resolver.openOutputStream(imageUri!!)
} else {
val imagesDir = Environment.getExternalStoragePublicDirectory(
Expand All @@ -247,14 +216,12 @@ class MainActivity : ComponentActivity() {
quality ?: 100,
fos
)

val out = ByteArrayOutputStream()
bitmap.compress(
if (mime == 1) Bitmap.CompressFormat.JPEG else Bitmap.CompressFormat.PNG,
quality ?: 100, out
)
val decoded = BitmapFactory.decodeStream(ByteArrayInputStream(out.toByteArray()))

out.flush()
out.close()
fos!!.flush()
Expand All @@ -263,25 +230,24 @@ class MainActivity : ComponentActivity() {
}
}

@SuppressLint("ComposableNaming")
@ExperimentalMaterial3Api
@Composable
fun RadioGroup(
options: List<String>?,
selectedOption: Int?,
onOptionSelected: (Int) -> Unit
) = options?.forEachIndexed { index, item ->
Row(
Modifier.padding(top = 16.dp),
verticalAlignment = Alignment.CenterVertically
) {
RadioButton(
selected = (index == selectedOption),
onClick = { onOptionSelected(index) },
)

Text(item, color = MaterialTheme.colorScheme.onBackground)

) {
options?.forEachIndexed { index, item ->
Row(
Modifier.padding(top = 16.dp),
verticalAlignment = Alignment.CenterVertically
) {
RadioButton(
selected = (index == selectedOption),
onClick = { onOptionSelected(index) },
)
Text(item, color = MaterialTheme.colorScheme.onBackground)
}
}
}

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