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Added latency measurement in milliseconds to the Android client.

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git-svn-id: https://zxing.googlecode.com/svn/trunk@334 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
dswitkin 2008-04-01 19:23:05 +00:00
parent 410b5b4e92
commit 0e2defcf66
1 changed files with 20 additions and 9 deletions
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29
android-m3/src/com/google/zxing/client/android/BarcodeReaderCaptureActivity.java
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@ -32,6 +32,8 @@ import com.google.zxing.ResultPoint;
import com.google.zxing.client.result.ParsedReaderResult;
import com.google.zxing.client.result.ParsedReaderResultType;
import java.util.Date;
/**
* The barcode reader activity itself. This is loosely based on the CameraPreview
* example included in the Android SDK.
@ -44,6 +46,7 @@ public final class BarcodeReaderCaptureActivity extends Activity {
private CameraManager cameraManager;
private CameraSurfaceView surfaceView;
private WorkerThread workerThread;
private Date decodeStart;
private static final int ABOUT_ID = Menu.FIRST;
@ -101,10 +104,13 @@ public final class BarcodeReaderCaptureActivity extends Activity {
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) {
decodeStart = new Date();
workerThread.requestStillAndDecode();
} else if (keyCode == KeyEvent.KEYCODE_Q) {
decodeStart = new Date();
workerThread.requestStillAndDecodeQR();
} else if (keyCode == KeyEvent.KEYCODE_U) {
decodeStart = new Date();
workerThread.requestStillAndDecode1D();
} else if (keyCode == KeyEvent.KEYCODE_C) {
workerThread.requestStillAndSave();
@ -137,14 +143,17 @@ public final class BarcodeReaderCaptureActivity extends Activity {
private final Handler messageHandler = new Handler() {
@Override
public void handleMessage(Message message) {
Date now = new Date();
long duration = now.getTime() - decodeStart.getTime();
switch (message.what) {
case R.id.decoding_succeeded_message:
handleDecode((Result) message.obj);
handleDecode((Result) message.obj, duration);
break;
case R.id.decoding_failed_message:
Context context = getApplication();
showAlert(context.getString(R.string.title_no_barcode_detected),
context.getString(R.string.msg_no_barcode_detected),
String title = context.getString(R.string.title_no_barcode_detected) +
" (" + duration + " ms)";
showAlert(title, context.getString(R.string.msg_no_barcode_detected),
context.getString(R.string.button_ok), null, true, null);
break;
}
@ -156,7 +165,7 @@ public final class BarcodeReaderCaptureActivity extends Activity {
}
// TODO(dswitkin): These deprecated showAlert calls need to be updated.
private void handleDecode(Result rawResult) {
private void handleDecode(Result rawResult, long duration) {
ResultPoint[] points = rawResult.getResultPoints();
if (points != null && points.length > 0) {
surfaceView.drawResultPoints(points);
@ -170,15 +179,17 @@ public final class BarcodeReaderCaptureActivity extends Activity {
// proceed first though
Message yesMessage = handler.obtainMessage(R.string.button_yes);
Message noMessage = handler.obtainMessage(R.string.button_no);
showAlert(context.getString(getDialogTitleID(readerResult.getType())),
readerResult.getDisplayResult(), context.getString(R.string.button_yes),
String title = context.getString(getDialogTitleID(readerResult.getType())) +
" (" + duration + " ms)";
showAlert(title, readerResult.getDisplayResult(), context.getString(R.string.button_yes),
yesMessage, context.getString(R.string.button_no), noMessage, true, noMessage);
} else {
// Just show information to user
Message okMessage = handler.obtainMessage(R.string.button_ok);
showAlert(context.getString(R.string.title_barcode_detected),
readerResult.getDisplayResult(), context.getString(R.string.button_ok), okMessage, null,
null, true, okMessage);
String title = context.getString(R.string.title_barcode_detected) +
" (" + duration + " ms)";
showAlert(title, readerResult.getDisplayResult(), context.getString(R.string.button_ok),
okMessage, null, null, true, okMessage);
}
}