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Add camera photo input

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master
dece 4 years ago
parent 86e06e8d31
commit 37d5c191e9
4 changed files with 91 additions and 16 deletions
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2
app/src/main/AndroidManifest.xml
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@ -2,6 +2,8 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="dev.lowrespalmtree.zmingz">
<uses-feature android:name="android.hardware.camera" android:required="false" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<application

76
app/src/main/java/dev/lowrespalmtree/zmingz/MainActivity.kt
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@ -1,6 +1,7 @@
package dev.lowrespalmtree.zmingz
import android.Manifest
import android.app.Activity
import android.content.Intent
import android.content.pm.PackageManager
import android.graphics.BitmapFactory
@ -16,6 +17,7 @@ import android.widget.PopupMenu
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import androidx.core.content.FileProvider
import androidx.core.net.toFile
import com.arthenica.mobileffmpeg.Config.RETURN_CODE_CANCEL
import com.arthenica.mobileffmpeg.Config.RETURN_CODE_SUCCESS
import com.arthenica.mobileffmpeg.FFmpeg
@ -35,6 +37,20 @@ class MainActivity: AppCompatActivity() {
private var savingPath = ""
/** Temporary type for the media to save, to use after perms being granted. */
private var savingType = MediaType.IMAGE
/** Path for storing camera image. */
private var cameraImagePath = ""
/** Path to media cache dir, ensuring it exists. */
private val mediaCacheDir: File?
get() {
val mediaCacheDir = File(cacheDir, "media")
if (!mediaCacheDir.exists() && !mediaCacheDir.mkdir()) {
Log.e(TAG, "Could not create cache media dir")
Toast.makeText(this, R.string.write_error, Toast.LENGTH_SHORT).show()
return null
}
return mediaCacheDir
}
enum class MediaType { IMAGE, VIDEO }
@ -59,6 +75,7 @@ class MainActivity: AppCompatActivity() {
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
when (requestCode) {
REQ_PICK_IMG, REQ_PICK_VID -> handlePickResult(requestCode, resultCode, data)
REQ_TAKE_IMG -> handleTakeImageResult(resultCode)
else -> super.onActivityResult(requestCode, resultCode, data)
}
}
@ -79,6 +96,13 @@ class MainActivity: AppCompatActivity() {
super.onRequestPermissionsResult(requestCode, permissions, grantResults)
}
private fun getUriForFile(file: File): Uri =
FileProvider.getUriForFile(
this,
"dev.lowrespalmtree.fileprovider",
file
)
fun openFile(v: View) {
val req: Int
val pickIntent = when (v.id) {
@ -116,6 +140,26 @@ class MainActivity: AppCompatActivity() {
menu.show()
}
fun openCamera(v: View) {
if (!packageManager.hasSystemFeature(PackageManager.FEATURE_CAMERA_ANY)) {
Log.e(TAG, "No camera feature")
return
}
when (v.id) {
buttonCamera.id -> {
val inputFile = File(mediaCacheDir, "${System.currentTimeMillis()}.jpg")
cameraImagePath = inputFile.canonicalPath
val captureIntent = Intent(MediaStore.ACTION_IMAGE_CAPTURE)
.apply { putExtra(MediaStore.EXTRA_OUTPUT, getUriForFile(inputFile)) }
startActivityForResult(captureIntent, REQ_TAKE_IMG)
}
buttonCameraVideo.id -> {
}
}
}
private fun mediaTypeFromViewId(id: Int): MediaType? =
when (id) {
imageView1.id, imageView2.id -> MediaType.IMAGE
@ -125,6 +169,8 @@ class MainActivity: AppCompatActivity() {
@Suppress("UNUSED_PARAMETER")
private fun handlePickResult(requestCode: Int, resultCode: Int, data: Intent?) {
if (resultCode != Activity.RESULT_OK)
return
val uri = data?.data
?: return Unit.also { Log.e(TAG, "No intent or data") }
val type = when (requestCode) {
@ -135,6 +181,13 @@ class MainActivity: AppCompatActivity() {
processMedia(uri, type)
}
private fun handleTakeImageResult(resultCode: Int) {
if (resultCode != Activity.RESULT_OK)
return
processMedia(cameraImagePath, MediaType.IMAGE)
}
/** Process media at URI, copying to a local cache file for FFmpeg beforehand. */
private fun processMedia(uri: Uri, type: MediaType) {
val uriPath = uri.path
?: return Unit.also { Log.e(TAG, "No path in URI") }
@ -149,23 +202,22 @@ class MainActivity: AppCompatActivity() {
}
}
val mediaCacheDir = File(cacheDir, "media")
if (!mediaCacheDir.exists() && !mediaCacheDir.mkdir()) {
Log.e(TAG, "Could not create cache media dir")
Toast.makeText(this, R.string.write_error, Toast.LENGTH_SHORT).show()
return
}
processMedia(inputFile.canonicalPath, type)
}
/** Start the async mirroring tasks. */
private fun processMedia(path: String, type: MediaType) {
imageLayout.visibility = View.GONE
videoLayout.visibility = View.GONE
Toast.makeText(this, R.string.please_wait, Toast.LENGTH_SHORT).show()
val extension = getFileExtension(path)
val outputFile1 = File.createTempFile("output1", ".$extension", mediaCacheDir)
MirrorTask(WeakReference(this), type, 1)
.execute(inputFile.canonicalPath, outputFile1.canonicalPath, VF1)
.execute(path, outputFile1.canonicalPath, VF1)
val outputFile2 = File.createTempFile("output2", ".$extension", mediaCacheDir)
MirrorTask(WeakReference(this), type, 2)
.execute(inputFile.canonicalPath, outputFile2.canonicalPath, VF2)
.execute(path, outputFile2.canonicalPath, VF2)
}
class MirrorTask(
@ -267,11 +319,7 @@ class MainActivity: AppCompatActivity() {
}
private fun share(path: String, type: MediaType) {
val uri = FileProvider.getUriForFile(
this,
"dev.lowrespalmtree.fileprovider",
File(path)
)
val uri = getUriForFile(File(path))
Log.i(TAG, "share with uri $uri")
val shareIntent = Intent().also {
it.action = Intent.ACTION_SEND
@ -289,6 +337,8 @@ class MainActivity: AppCompatActivity() {
private const val REQ_PICK_IMG = 1
private const val REQ_PICK_VID = 2
private const val REQ_WRITE_PERM = 3
private const val REQ_TAKE_IMG = 4
private const val REQ_TAKE_VID = 5
private const val VF1 = "crop=iw/2:ih:0:0,split[left][tmp];[tmp]hflip[right];[left][right] hstack"
private const val VF2 = "crop=iw/2:ih:iw/2:0,split[left][tmp];[tmp]hflip[right];[right][left] hstack"

22
app/src/main/res/layout/activity_main.xml
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@ -83,6 +83,28 @@
app:layout_constraintStart_toStartOf="parent"
style="@style/Widget.AppCompat.ButtonBar">
<ImageButton
android:id="@+id/buttonCamera"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp"
android:onClick="openCamera"
android:src="@android:drawable/ic_menu_camera"
style="?android:attr/buttonBarButtonStyle"
android:contentDescription="@android:string/untitled" />
<ImageButton
android:id="@+id/buttonCameraVideo"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp"
android:onClick="openCamera"
android:src="@android:drawable/ic_media_play"
style="?android:attr/buttonBarButtonStyle"
android:contentDescription="@android:string/untitled" />
<Button
android:id="@+id/buttonImage"
android:layout_width="wrap_content"

7
app/src/main/res/values/strings.xml
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@ -1,11 +1,12 @@
<resources>
<string name="app_name">Zmingz</string>
<string name="open_image">Image</string>
<string name="open_video">Video</string>
<string name="please_wait">Please wait...</string>
<string name="open_image">Image…</string>
<string name="open_video">Video…</string>
<string name="please_wait">Please wait…</string>
<string name="save">Save</string>
<string name="share">Share</string>
<string name="write_error">Write error.</string>
<string name="send">Send</string>
<string name="open_camera">Camera</string>
</resources>

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