code perfect

module_test/build.gradle

@@ -34,6 +34,6 @@ dependencies {
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
-
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.3'
     implementation project(':lib_common')
 }

module_test/src/main/java/com/fly/tour/test/MainActivity.kt

@@ -2,27 +2,57 @@ package com.fly.tour.test
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.util.Log
 import android.view.View
 import com.fly.tour.common.util.ToastUtil
 import com.fly.tour.test.view.MyView2
 import com.fly.tour.test.view.Person1
 import kotlinx.android.synthetic.main.activity_main.*
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
 
 class MainActivity : AppCompatActivity() {
-
+    val TAG = "MYTAG"
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
 
-        btn.setOnClickListener{ v -> ToastUtil.showToast("ok") }
-        btn.setOnClickListener(){ v -> ToastUtil.showToast("ok") }
+        //testOnClick()
+        //testThread()
+        //test1
+        Log.e(TAG, "主线程id：${mainLooper.thread.id}")
+        val job = GlobalScope.launch {
+            delay(6000)
+            Log.e(TAG, "协程执行结束 -- 线程id：${Thread.currentThread().id}")
+        }
+        Log.e(TAG, "主线程执行结束")
+    }
+    private fun testThread() = runBlocking {
+        repeat(8) {
+            Log.e("TAG", "协程执行$it 线程id：${Thread.currentThread().id}")
+            delay(1000)
+        }
+    }
+    val test1 = runBlocking {
+        repeat(8) {
+            Log.e("TAG", "协程执行$it 线程id：${Thread.currentThread().id}")
+            delay(1000)
+        }
+    }
+
+    private fun testOnClick() {
+        btn.setOnClickListener { v -> ToastUtil.showToast("ok") }
+        btn.setOnClickListener() { v -> ToastUtil.showToast("ok") }
         btn.setOnClickListener({ v -> ToastUtil.showToast("ok") })
         btn.setOnClickListener { }
-        btn.setOnClickListener(object :View.OnClickListener{
+        btn.setOnClickListener(object : View.OnClickListener {
             override fun onClick(v: View?) {
                 TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
             }
 
         })
     }
+
 }