refactoring

src/AndroidEmulator.py

@@ -0,0 +1,30 @@
+import os
+import time
+
+class AndroidEmulator:
+    
+    @staticmethod
+    def run(runnable):
+        AndroidEmulator._start()
+        result = runnable()
+        AndroidEmulator._stop()
+        return result
+    
+    @staticmethod
+    def _start():
+        os.system("/home/frankknoll/Android/Sdk/emulator/emulator -avd Pixel_2_API_30 -no-window &")
+        AndroidEmulator._waitUntilStarted()
+        
+    @staticmethod
+    def _waitUntilStarted():
+        while not AndroidEmulator._isStarted():
+            time.sleep(1)
+
+    @staticmethod
+    def _isStarted():
+        boot_completed = ! adb shell getprop sys.boot_completed
+        return boot_completed[0] == '1'
+
+    @staticmethod
+    def _stop():
+        ! adb emu kill