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Now can turn light on/off with volume buttons

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git-svn-id: https://zxing.googlecode.com/svn/trunk@2286 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen 2012-05-10 10:56:50 +00:00
parent 8cc93b521b
commit 1b90db519e
2 changed files with 36 additions and 10 deletions
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17
android/src/com/google/zxing/client/android/CaptureActivity.java
View file

@ -305,18 +305,29 @@ public final class CaptureActivity extends Activity implements SurfaceHolder.Cal
@Override @Override
public boolean onKeyDown(int keyCode, KeyEvent event) { public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) { switch (keyCode) {
case KeyEvent.KEYCODE_BACK:
if (source == IntentSource.NATIVE_APP_INTENT) { if (source == IntentSource.NATIVE_APP_INTENT) {
setResult(RESULT_CANCELED); setResult(RESULT_CANCELED);
finish(); finish();
return true; return true;
} else if ((source == IntentSource.NONE || source == IntentSource.ZXING_LINK) && lastResult != null) { }
if ((source == IntentSource.NONE || source == IntentSource.ZXING_LINK) && lastResult != null) {
restartPreviewAfterDelay(0L); restartPreviewAfterDelay(0L);
return true; return true;
} }
} else if (keyCode == KeyEvent.KEYCODE_FOCUS || keyCode == KeyEvent.KEYCODE_CAMERA) { break;
case KeyEvent.KEYCODE_FOCUS:
case KeyEvent.KEYCODE_CAMERA:
// Handle these events so they don't launch the Camera app // Handle these events so they don't launch the Camera app
return true; return true;
// Use volume up/down to turn on light
case KeyEvent.KEYCODE_VOLUME_DOWN:
cameraManager.setTorch(false);
return true;
case KeyEvent.KEYCODE_VOLUME_UP:
cameraManager.setTorch(true);
return true;
} }
return super.onKeyDown(keyCode, event); return super.onKeyDown(keyCode, event);
} }

15
android/src/com/google/zxing/client/android/camera/CameraManager.java
View file

@ -135,6 +135,21 @@ public final class CameraManager {
} }
} }
/**
* Convenience method for {@link com.srowen.bs.android.CaptureActivity}
*/
public synchronized void setTorch(boolean newSetting) {
if (camera != null) {
if (autoFocusManager != null) {
autoFocusManager.stop();
}
configManager.setTorch(camera, newSetting);
if (autoFocusManager != null) {
autoFocusManager.start();
}
}
}
/** /**
* A single preview frame will be returned to the handler supplied. The data will arrive as byte[] * A single preview frame will be returned to the handler supplied. The data will arrive as byte[]
* in the message.obj field, with width and height encoded as message.arg1 and message.arg2, * in the message.obj field, with width and height encoded as message.arg1 and message.arg2,