launchApp android e2e

AndroidE2E/app/src/androidTest/java/com/reactnativenavigation/e2e/androide2e/ApplicationLifecycleTest.java

 import android.content.Intent;
 import android.support.test.filters.SdkSuppress;
 import android.support.test.runner.AndroidJUnit4;
+import android.support.test.uiautomator.By;
 import android.support.test.uiautomator.UiDevice;
+import android.support.test.uiautomator.Until;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
 @SdkSuppress(minSdkVersion = 23)
 @TargetApi(23)
 public class ApplicationLifecycleTest {
+
+    public static final String PACKAGE_NAME = "com.reactnativenavigation.playground";
+
     @Test
     public void showSplash_AcceptsOverlayPermissions_ShowsWelcomeScreen() throws Exception {
         launchTheApp();
+
 //        assertThat(rule.getActivity().getContentView()).isNotNull().isInstanceOf(NavigationSplashView.class);
 //        acceptOverlayPermissionIfNeeded();
 //        assertMainShown();
         uiDevice().wakeUp();
         uiDevice().pressHome();
         uiDevice().waitForIdle();
-        Intent intent = getInstrumentation().getTargetContext().getPackageManager().getLaunchIntentForPackage("com.reactnativenavigation.playground");
+        Intent intent = getInstrumentation().getTargetContext().getPackageManager().getLaunchIntentForPackage(PACKAGE_NAME);
         assertThat(intent).isNotNull();
         getInstrumentation().getTargetContext().startActivity(intent);
-        uiDevice().waitForIdle();
+        uiDevice().wait(Until.hasObject(By.pkg("com.reactnativenavigation.playground").depth(0)), 5000);
     }
 
     private UiDevice uiDevice() {

playground/package.json

     "start": "adb reverse tcp:8081 tcp:8081; watchman watch-del-all; react-native start",
     "xcode": "open ios/playground.xcodeproj",
     "android": "cd android && ./gradlew installDebug",
-    "uninstall-android": "cd android && ./gradlew clean uninstallAll",
+    "uninstall-android": "cd android && ./gradlew uninstallAll",
     "xcodeunit": "node ./scripts/unit.ios.js",
     "e2e-android": "node ./scripts/e2e.android.js",
     "e2e-ios": "node ./scripts/e2e.ios.js"

playground/scripts/e2e.android.js

 }
 
 function run() {
+  if (process.env.CI) {
+    return;
+  }
   shellUtils.exec.execSync(`echo 'travis_fold:start:android-e2e'`);
   try {
     e2e();