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authorTorsten Grote <t@grobox.de>2020-03-18 15:54:36 -0300
committerTorsten Grote <t@grobox.de>2020-03-18 15:54:36 -0300
commit070fd9b7d3793082e447d7713d1dda932f237c99 (patch)
tree5d1c3ec9006eeb8adb23bac34edbced2642dba86 /taler-kotlin-common/src/main/java/net/taler/common/AndroidUtils.kt
parentd20a5a81af4fa88eb26ea9678ecc13a0dd3d64a5 (diff)
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Factor out some cashier code into common library
Diffstat (limited to 'taler-kotlin-common/src/main/java/net/taler/common/AndroidUtils.kt')
-rw-r--r--taler-kotlin-common/src/main/java/net/taler/common/AndroidUtils.kt53
1 files changed, 53 insertions, 0 deletions
diff --git a/taler-kotlin-common/src/main/java/net/taler/common/AndroidUtils.kt b/taler-kotlin-common/src/main/java/net/taler/common/AndroidUtils.kt
new file mode 100644
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+++ b/taler-kotlin-common/src/main/java/net/taler/common/AndroidUtils.kt
@@ -0,0 +1,53 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2020 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.common
+
+import android.content.Context
+import android.content.Context.CONNECTIVITY_SERVICE
+import android.net.ConnectivityManager
+import android.net.NetworkCapabilities
+import android.os.Build
+import android.view.View
+
+fun View.fadeIn(endAction: () -> Unit = {}) {
+ if (visibility == View.VISIBLE) return
+ alpha = 0f
+ visibility = View.VISIBLE
+ animate().alpha(1f).withEndAction {
+ endAction.invoke()
+ }.start()
+}
+
+fun View.fadeOut(endAction: () -> Unit = {}) {
+ if (visibility == View.INVISIBLE) return
+ animate().alpha(0f).withEndAction {
+ visibility = View.INVISIBLE
+ alpha = 1f
+ endAction.invoke()
+ }.start()
+}
+
+fun Context.isOnline(): Boolean {
+ val cm = getSystemService(CONNECTIVITY_SERVICE) as ConnectivityManager
+ return if (Build.VERSION.SDK_INT < 29) {
+ @Suppress("DEPRECATION")
+ cm.activeNetworkInfo?.isConnected == true
+ } else {
+ val capabilities = cm.getNetworkCapabilities(cm.activeNetwork) ?: return false
+ capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
+ }
+}