优化线程管理，减少闲置线程数量

app/src/main/java/com/gh/base/GHThreadFactory.kt

@@ -0,0 +1,17 @@
+package com.gh.base
+
+import java.util.concurrent.ThreadFactory
+import java.util.concurrent.atomic.AtomicInteger
+
+class GHThreadFactory(threadNamePrefix: String) : ThreadFactory {
+
+    private val THREAD_NAME_STEM = "${threadNamePrefix}_%d"
+    private val mThreadId = AtomicInteger(0)
+
+    override fun newThread(r: Runnable?): Thread {
+        val t = Thread(r)
+        t.name = String.format(THREAD_NAME_STEM, mThreadId.getAndIncrement())
+        return t
+    }
+
+}