Initial commit

Local (Path based) implementation of Tree, Directory, File and Link.

1 files changed, 14 insertions, 0 deletions

diff --git a/app/src/main/java/org/the_jk/cleversync/LiveDataUtils.kt b/app/src/main/java/org/the_jk/cleversync/LiveDataUtils.kt
new file mode 100644
index 0000000..7f6ab1f
--- /dev/null
+++ b/app/src/main/java/org/the_jk/cleversync/LiveDataUtils.kt
@@ -0,0 +1,14 @@
+package org.the_jk.cleversync
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.Observer
+
+fun <T> LiveData<T>.safeValue(): T? {
+    if (this.hasActiveObservers())
+        return value
+    var ret: T? = null
+    val observer = Observer<T> { value -> ret = value }
+    this.observeForever(observer)
+    this.removeObserver(observer)
+    return ret
+}