Android Ekran Görüntüsü Alma Yaklama (Screenshot listener)

Önemli Not: Bu kodun çalışması için uygulamada dosya okuma izinlerinin alınmış olması gerekmektedir.

class YourActivity : AppCompatActivity() {

    private val screenshotDetector by lazy {
        ScreenshotDetector(this, onScreenshot = {
            // TODO: write your progress
        })
    }

    override fun onResume() {
        super.onResume()
        screenshotDetector.start()
    }

    override fun onPause() {
        super.onPause()
        screenshotDetector.stop()
    }
}

class ScreenshotDetector(
    private val context: Context,
    private val onScreenshot: () -> Unit
) {

    private var contentObserver: ContentObserver? = null

    fun start() {
        if (contentObserver == null) {
            contentObserver = context.contentResolver.registerObserver()
        }
    }

    fun stop() {
        contentObserver?.let { context.contentResolver.unregisterContentObserver(it) }
        contentObserver = null
    }

    private fun queryScreenshots(uri: Uri) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
            queryRelativeDataColumn(uri)
        } else {
            queryDataColumn(uri)
        }
    }

    private fun queryDataColumn(uri: Uri) {
        val projection = arrayOf(
            MediaStore.Images.Media.DATA
        )
        context.contentResolver.query(
            uri, projection, null, null, null
        )?.use { cursor ->
            val dataColumn = cursor.getColumnIndex(MediaStore.Images.Media.DATA)
            while (cursor.moveToNext()) {
                val path = cursor.getString(dataColumn)
                if (path.contains("screenshot", true)) {
                    onScreenshot()
                }
            }
        }
    }

    private fun queryRelativeDataColumn(uri: Uri) {
        val projection = arrayOf(
            MediaStore.Images.Media.DISPLAY_NAME, MediaStore.Images.Media.RELATIVE_PATH
        )
        context.contentResolver.query(
            uri, projection, null, null, null
        )?.use { cursor ->
            val relativePathColumn = cursor.getColumnIndex(MediaStore.Images.Media.RELATIVE_PATH)
            val displayNameColumn = cursor.getColumnIndex(MediaStore.Images.Media.DISPLAY_NAME)
            while (cursor.moveToNext()) {
                val name = cursor.getString(displayNameColumn)
                val relativePath = cursor.getString(relativePathColumn)
                if (name.contains("screenshot", true) or relativePath.contains(
                        "screenshot",
                        true
                    )
                ) {
                    onScreenshot()
                }
            }
        }
    }

    private fun ContentResolver.registerObserver(): ContentObserver {
        val contentObserver = object : ContentObserver(Handler(Looper.getMainLooper())) {
            override fun onChange(selfChange: Boolean, uri: Uri?) {
                super.onChange(selfChange, uri)
                uri?.let { queryScreenshots(it) }
            }
        }
        registerContentObserver(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, true, contentObserver)
        return contentObserver
    }
}

Kaynak

• https://proandroiddev.com/detect-screenshots-in-android-7bc4343ddce1