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Sample 1 updated for OpenCV Manager model.

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This commit is contained in:
Alexander Smorkalov 2012-06-26 12:26:42 +00:00
parent e7c35b1852
commit 207f4fc53c
1 changed files with 46 additions and 4 deletions
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50
samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/Sample1Java.java
View File

@ -1,5 +1,9 @@
package org.opencv.samples.tutorial1;
import org.opencv.android.BaseLoaderCallback;
import org.opencv.android.LoaderCallbackInterface;
import org.opencv.android.OpenCVLoader;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
@ -17,6 +21,38 @@ public class Sample1Java extends Activity {
private MenuItem mItemPreviewCanny;
private Sample1View 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 Sample1View(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 Sample1Java() {
Log.i(TAG, "Instantiated new " + this.getClass());
}
@ -25,14 +61,15 @@ public class Sample1Java extends Activity {
protected void onPause() {
Log.i(TAG, "onPause");
super.onPause();
mView.releaseCamera();
if (null != mView)
mView.releaseCamera();
}
@Override
protected void onResume() {
Log.i(TAG, "onResume");
super.onResume();
if( !mView.openCamera() ) {
if( (null != mView) && !mView.openCamera() ) {
AlertDialog ad = new AlertDialog.Builder(this).create();
ad.setCancelable(false); // This blocks the 'BACK' button
ad.setMessage("Fatal error: can't open camera!");
@ -52,8 +89,13 @@ public class Sample1Java extends Activity {
Log.i(TAG, "onCreate");
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
mView = new Sample1View(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();
}
}
@Override