android.app.Instrumentation#startActivitySync ( )源码实例Demo

private long launchCamera()
{
    long startupTime = 0;
    try
    {
        Intent intent = new Intent(Intent.ACTION_MAIN);
        intent.setClass(getInstrumentation().getTargetContext(), CameraActivity.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        long beforeStart = System.currentTimeMillis();
        Instrumentation inst = getInstrumentation();
        Activity cameraActivity = inst.startActivitySync(intent);
        long cameraStarted = System.currentTimeMillis();
        Thread.sleep(WAIT_TIME_FOR_PREVIEW);
        cameraActivity.finish();
        startupTime = cameraStarted - beforeStart;
        Thread.sleep(1000);
        Log.v(TAG, "camera startup time: " + startupTime);
    } catch (Exception e)
    {
        Log.v(TAG, "Got exception", e);
        fail("Fails to get the output file");
    }
    return startupTime;
}
 

private long launchVideo()
{
    long startupTime = 0;

    try
    {
        Intent intent = new Intent(MediaStore.INTENT_ACTION_VIDEO_CAMERA);
        intent.setClass(getInstrumentation().getTargetContext(), CameraActivity.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        long beforeStart = System.currentTimeMillis();
        Instrumentation inst = getInstrumentation();
        Activity recorderActivity = inst.startActivitySync(intent);
        long cameraStarted = System.currentTimeMillis();
        recorderActivity.finish();
        startupTime = cameraStarted - beforeStart;
        Log.v(TAG, "Video Startup Time = " + startupTime);
        // wait for 1s to make sure it reach a clean stage
        Thread.sleep(WAIT_TIME_FOR_PREVIEW);
        Log.v(TAG, "video startup time: " + startupTime);
    } catch (Exception e)
    {
        Log.v(TAG, "Got exception", e);
        fail("Fails to launch video output file");
    }
    return startupTime;
}
 

public void testBackImageCapture() throws Exception
{
    Instrumentation inst = getInstrumentation();
    Intent intent = new Intent();

    intent.setClass(getInstrumentation().getTargetContext(), CameraActivity.class);
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intent.putExtra(EXTRAS_CAMERA_FACING,
            android.hardware.Camera.CameraInfo.CAMERA_FACING_BACK);
    Activity act = inst.startActivitySync(intent);
    Thread.sleep(WAIT_FOR_SWITCH_CAMERA);
    captureImages("Back Camera Image Capture\n", inst);
    act.finish();
}
 

public void testFrontImageCapture() throws Exception
{
    Instrumentation inst = getInstrumentation();
    Intent intent = new Intent();

    intent.setClass(getInstrumentation().getTargetContext(), CameraActivity.class);
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intent.putExtra(EXTRAS_CAMERA_FACING,
            android.hardware.Camera.CameraInfo.CAMERA_FACING_FRONT);
    Activity act = inst.startActivitySync(intent);
    Thread.sleep(WAIT_FOR_SWITCH_CAMERA);
    captureImages("Front Camera Image Capture\n", inst);
    act.finish();
}
 

public void testBackVideoCapture() throws Exception
{
    Instrumentation inst = getInstrumentation();
    Intent intent = new Intent(MediaStore.INTENT_ACTION_VIDEO_CAMERA);

    intent.setClass(getInstrumentation().getTargetContext(), CameraActivity.class);
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intent.putExtra(EXTRAS_CAMERA_FACING,
            android.hardware.Camera.CameraInfo.CAMERA_FACING_BACK);
    Activity act = inst.startActivitySync(intent);
    Thread.sleep(WAIT_FOR_SWITCH_CAMERA);
    captureVideos("Back Camera Video Capture\n", inst);
    act.finish();
}
 

public void testFrontVideoCapture() throws Exception
{
    Instrumentation inst = getInstrumentation();
    Intent intent = new Intent(MediaStore.INTENT_ACTION_VIDEO_CAMERA);

    intent.setClass(getInstrumentation().getTargetContext(), CameraActivity.class);
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intent.putExtra(EXTRAS_CAMERA_FACING,
            android.hardware.Camera.CameraInfo.CAMERA_FACING_FRONT);
    Activity act = inst.startActivitySync(intent);
    Thread.sleep(WAIT_FOR_SWITCH_CAMERA);
    captureVideos("Front Camera Video Capture\n", inst);
    act.finish();
}
 

private void startActivity() {
    if (launched)
        return;

    Instrumentation instrumentation = getInstrumentation();
    Intent intent = new Intent(getInstrumentation()
            .getTargetContext(), AndroidNativeActivity.class);
    intent.setFlags(intent.getFlags()  | Intent.FLAG_ACTIVITY_NEW_TASK);

    mActivity = instrumentation.startActivitySync(intent);
    launched = true;
    
    instrumentation.waitForIdleSync();
    sleep(5000);
}
 

@SuppressWarnings("unchecked") // Guarded by generics at the constructor.
public void launchActivity() {
    if(activity != null) {
        return;
    }

    Instrumentation instrumentation = fetchInstrumentation();

    String targetPackage = instrumentation.getTargetContext().getPackageName();
    Intent intent = getLaunchIntent(targetPackage, activityClass);

    activity = (T) instrumentation.startActivitySync(intent);
    instrumentation.waitForIdleSync();
}
 

public AppLaunchInteractor launchApp() {
    final Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();
    final Intent launchIntent = instrumentation.getTargetContext().getPackageManager()
            .getLaunchIntentForPackage(instrumentation.getTargetContext().getPackageName())
            .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);

    instrumentation.startActivitySync(launchIntent);
    instrumentation.waitForIdleSync();
    return new AppLaunchInteractor();
}
 

@SuppressWarnings("unchecked") // Guarded by generics at the constructor.
private void launchActivity() {
  if (activity != null) return;

  Instrumentation instrumentation = fetchInstrumentation();

  String targetPackage = instrumentation.getTargetContext().getPackageName();
  Intent intent = getLaunchIntent(targetPackage, activityClass);

  activity = (T) instrumentation.startActivitySync(intent);
  instrumentation.waitForIdleSync();
}