delacrixmorgan

RAW to File Sharing

Android Manifest

<provider
    android:name="androidx.core.content.FileProvider"
    android:authorities="${applicationId}.fileProvider"
    android:exported="false"
    android:grantUriPermissions="true">
    <meta-data
        android:name="android.support.FILE_PROVIDER_PATHS"

delacrixmorgan

AlertDialog Single Choice Item, Date Picker

https://developer.android.com/training/secure-file-sharing/share-file

AlertDialog Single Choice Item

val arrayString = arrayOf("Aerith", "Tifa", "Vincent", "Sid", "Barret")

this.nameViewGroup.setOnClickListener {
    AlertDialog.Builder(context)
            .setTitle("Choose Party")

delacrixmorgan

Fix Orientation for Photo Captured

@Throws(IOException::class)
fun File.optimizedFromFile(
        maxImageDimension: Int,
        shouldFixRotation: Boolean,
        overwriteFile: Boolean,
        compressFormat: Bitmap.CompressFormat = Bitmap.CompressFormat.JPEG,
        quality: Int = 100

delacrixmorgan

Cut a Hole in a Layout

class CardOverlayFrameLayout(context: Context, attrs: AttributeSet) : FrameLayout(context, attrs) {
    private var shapeRectF: RectF? = null

    init {
        setLayerType(LAYER_TYPE_SOFTWARE, null)
    }

delacrixmorgan

Instrumented Tests

• Multiple Login Profiles
• API Callback

Multiple Login Profiles

internal fun loginAsAdmin(completion: (() -> Unit)) {
    // TODO (Login as Admin)
}

delacrixmorgan

LocalDateTime Cheat Sheet

Lost in Java Time with Android

LocalDateTime

String to LocalDateTime

val ISO_8601 = "yyyy-MM-dd'T'HH:mm:ss'Z'"
LocalDateTime.parse(this, DateTimeFormatter.ofPattern(ISO_8601))

delacrixmorgan

Capitalize Words

fun String.capitalizeWords(): String {
    return this.toLowerCase()
            .replace("/", " / ")
            .split(" ")
            .joinToString(" ")
            { it.capitalize() }
}

delacrixmorgan

Camera2 Infinite Loop in CONTROL_AF_STATE_PASSIVE_FOCUSED

There's a few reasons.

a) While you are capturePicture(), the AutoFocus state is stucked at CONTROL_AF_STATE_PASSIVE_FOCUSED and there is no way to shake it off.

Thus, you'll need to manually restart the focus and get a lock on it again.

b) setRepeatingRequest() from captureSession is overwhelming it.

delacrixmorgan

Full Height Screenshots

There's 3 Segments that would allow you achieve screenshoting full height of a scrollView.

a) FilePath and AndroidManifest

b) Intent Uri Share

c) BitmapExtensions (Where the actual magic happens)

delacrixmorgan

Animate ViewPager to Peek when Tapped on It

Calling Method

this.viewPager.animatePeekingEffect(offset = 10, delay = 250)

Extension Methods

fun ViewPager.animatePeekingEffect(offset: Int, delay: Int) {