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Color blob detection example updated for OpenCV Manager model.

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This commit is contained in:
Alexander Smorkalov 2012-06-26 12:58:46 +00:00
parent 109e308763
commit 369f2c4903
1 changed files with 47 additions and 4 deletions
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51
samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionActivity.java
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@ -1,5 +1,9 @@
package org.opencv.samples.colorblobdetect; package org.opencv.samples.colorblobdetect;
import org.opencv.android.BaseLoaderCallback;
import org.opencv.android.LoaderCallbackInterface;
import org.opencv.android.OpenCVLoader;
import android.app.Activity; import android.app.Activity;
import android.app.AlertDialog; import android.app.AlertDialog;
import android.content.DialogInterface; import android.content.DialogInterface;
@ -12,6 +16,38 @@ public class ColorBlobDetectionActivity extends Activity {
private static final String TAG = "Example/ColorBlobDetection"; private static final String TAG = "Example/ColorBlobDetection";
private ColorBlobDetectionView mView; private ColorBlobDetectionView mView;
private BaseLoaderCallback mOpenCVCallBack = new BaseLoaderCallback(this) {
@Override
public void onManagerConnected(int status) {
switch (status) {
case LoaderCallbackInterface.SUCCESS:
{
Log.i(TAG, "OpenCV loaded successfully");
// Create and set View
mView = new ColorBlobDetectionView(mAppContext);
setContentView(mView);
// Check native OpenCV camera
if( !mView.openCamera() ) {
AlertDialog ad = new AlertDialog.Builder(mAppContext).create();
ad.setCancelable(false); // This blocks the 'BACK' button
ad.setMessage("Fatal error: can't open camera!");
ad.setButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
finish();
}
});
ad.show();
}
} break;
default:
{
super.onManagerConnected(status);
} break;
}
}
};
public ColorBlobDetectionActivity() public ColorBlobDetectionActivity()
{ {
Log.i(TAG, "Instantiated new " + this.getClass()); Log.i(TAG, "Instantiated new " + this.getClass());
@ -21,14 +57,15 @@ public class ColorBlobDetectionActivity extends Activity {
protected void onPause() { protected void onPause() {
Log.i(TAG, "onPause"); Log.i(TAG, "onPause");
super.onPause(); super.onPause();
mView.releaseCamera(); if (null != mView)
mView.releaseCamera();
} }
@Override @Override
protected void onResume() { protected void onResume() {
Log.i(TAG, "onResume"); Log.i(TAG, "onResume");
super.onResume(); super.onResume();
if( !mView.openCamera() ) { if( (null != mView) && !mView.openCamera() ) {
AlertDialog ad = new AlertDialog.Builder(this).create(); AlertDialog ad = new AlertDialog.Builder(this).create();
ad.setCancelable(false); // This blocks the 'BACK' button ad.setCancelable(false); // This blocks the 'BACK' button
ad.setMessage("Fatal error: can't open camera!"); ad.setMessage("Fatal error: can't open camera!");
@ -47,8 +84,14 @@ public class ColorBlobDetectionActivity extends Activity {
public void onCreate(Bundle savedInstanceState) { public void onCreate(Bundle savedInstanceState) {
Log.i(TAG, "onCreate"); Log.i(TAG, "onCreate");
super.onCreate(savedInstanceState); super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE); requestWindowFeature(Window.FEATURE_NO_TITLE);
mView = new ColorBlobDetectionView(this);
setContentView(mView); Log.i(TAG, "Trying to load OpenCV library");
if (!OpenCVLoader.initAsync(OpenCVLoader.OPEN_CV_VERSION_2_4_0, this, mOpenCVCallBack))
{
Log.e(TAG, "Cannot connect to OpenCV Manager");
finish();
}
} }
} }