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authorTorsten Grote <t@grobox.de>2020-03-18 17:24:02 -0300
committerTorsten Grote <t@grobox.de>2020-03-18 17:24:02 -0300
commit82b8b57dc16112b859150696199774fcf06655e1 (patch)
treee4bc3e9b799b7b3529821fa29041abe71f85e986 /merchant-terminal/src/main/java/net/taler/merchantpos/Utils.kt
parentb24169502d8052c7359632059f147734d8da1dd9 (diff)
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Factor out code from merchant-terminal into common library
Diffstat (limited to 'merchant-terminal/src/main/java/net/taler/merchantpos/Utils.kt')
-rw-r--r--merchant-terminal/src/main/java/net/taler/merchantpos/Utils.kt121
1 files changed, 0 insertions, 121 deletions
diff --git a/merchant-terminal/src/main/java/net/taler/merchantpos/Utils.kt b/merchant-terminal/src/main/java/net/taler/merchantpos/Utils.kt
index a0c30d6..578debf 100644
--- a/merchant-terminal/src/main/java/net/taler/merchantpos/Utils.kt
+++ b/merchant-terminal/src/main/java/net/taler/merchantpos/Utils.kt
@@ -16,86 +16,12 @@
package net.taler.merchantpos
-import android.content.Context
-import android.text.format.DateUtils.DAY_IN_MILLIS
-import android.text.format.DateUtils.FORMAT_ABBREV_MONTH
-import android.text.format.DateUtils.FORMAT_ABBREV_RELATIVE
-import android.text.format.DateUtils.FORMAT_NO_YEAR
-import android.text.format.DateUtils.FORMAT_SHOW_DATE
-import android.text.format.DateUtils.FORMAT_SHOW_TIME
-import android.text.format.DateUtils.MINUTE_IN_MILLIS
-import android.text.format.DateUtils.formatDateTime
-import android.text.format.DateUtils.getRelativeTimeSpanString
import android.view.View
-import android.view.View.INVISIBLE
-import android.view.View.VISIBLE
import androidx.annotation.StringRes
-import androidx.fragment.app.Fragment
-import androidx.lifecycle.LiveData
-import androidx.lifecycle.MediatorLiveData
-import androidx.lifecycle.Observer
-import androidx.navigation.NavController
-import androidx.navigation.NavDirections
-import androidx.navigation.fragment.findNavController
import com.google.android.material.snackbar.BaseTransientBottomBar.ANIMATION_MODE_FADE
import com.google.android.material.snackbar.BaseTransientBottomBar.Duration
import com.google.android.material.snackbar.Snackbar.make
-object Utils {
-
- private const val HEX_CHARS = "0123456789ABCDEF"
-
- fun hexStringToByteArray(data: String): ByteArray {
- val result = ByteArray(data.length / 2)
-
- for (i in data.indices step 2) {
- val firstIndex = HEX_CHARS.indexOf(data[i])
- val secondIndex = HEX_CHARS.indexOf(data[i + 1])
-
- val octet = firstIndex.shl(4).or(secondIndex)
- result[i.shr(1)] = octet.toByte()
- }
- return result
- }
-
-
- private val HEX_CHARS_ARRAY = HEX_CHARS.toCharArray()
-
- @Suppress("unused")
- fun toHex(byteArray: ByteArray): String {
- val result = StringBuffer()
-
- byteArray.forEach {
- val octet = it.toInt()
- val firstIndex = (octet and 0xF0).ushr(4)
- val secondIndex = octet and 0x0F
- result.append(HEX_CHARS_ARRAY[firstIndex])
- result.append(HEX_CHARS_ARRAY[secondIndex])
- }
- return result.toString()
- }
-
-}
-
-fun View.fadeIn(endAction: () -> Unit = {}) {
- if (visibility == VISIBLE) return
- alpha = 0f
- visibility = VISIBLE
- animate().alpha(1f).withEndAction {
- if (context != null) endAction.invoke()
- }.start()
-}
-
-fun View.fadeOut(endAction: () -> Unit = {}) {
- if (visibility == INVISIBLE) return
- animate().alpha(0f).withEndAction {
- if (context == null) return@withEndAction
- visibility = INVISIBLE
- alpha = 1f
- endAction.invoke()
- }.start()
-}
-
fun topSnackbar(view: View, text: CharSequence, @Duration duration: Int) {
make(view, text, duration)
.setAnimationMode(ANIMATION_MODE_FADE)
@@ -106,50 +32,3 @@ fun topSnackbar(view: View, text: CharSequence, @Duration duration: Int) {
fun topSnackbar(view: View, @StringRes resId: Int, @Duration duration: Int) {
topSnackbar(view, view.resources.getText(resId), duration)
}
-
-fun NavDirections.navigate(nav: NavController) = nav.navigate(this)
-
-fun Fragment.navigate(directions: NavDirections) = findNavController().navigate(directions)
-
-fun Long.toRelativeTime(context: Context): CharSequence {
- val now = System.currentTimeMillis()
- return if (now - this > DAY_IN_MILLIS * 2) {
- val flags = FORMAT_SHOW_TIME or FORMAT_SHOW_DATE or FORMAT_ABBREV_MONTH or FORMAT_NO_YEAR
- formatDateTime(context, this, flags)
- } else getRelativeTimeSpanString(this, now, MINUTE_IN_MILLIS, FORMAT_ABBREV_RELATIVE)
-}
-
-class CombinedLiveData<T, K, S>(
- source1: LiveData<T>,
- source2: LiveData<K>,
- private val combine: (data1: T?, data2: K?) -> S
-) : MediatorLiveData<S>() {
-
- private var data1: T? = null
- private var data2: K? = null
-
- init {
- super.addSource(source1) { t ->
- data1 = t
- value = combine(data1, data2)
- }
- super.addSource(source2) { k ->
- data2 = k
- value = combine(data1, data2)
- }
- }
-
- override fun <S : Any?> addSource(source: LiveData<S>, onChanged: Observer<in S>) {
- throw UnsupportedOperationException()
- }
-
- override fun <T : Any?> removeSource(toRemote: LiveData<T>) {
- throw UnsupportedOperationException()
- }
-}
-
-/**
- * Use this with 'when' expressions when you need it to handle all possibilities/branches.
- */
-val <T> T.exhaustive: T
- get() = this