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moving to OpenCVLoader API

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This commit is contained in:
Andrey Pavlenko 2012-06-21 14:06:23 +00:00
parent 5e0160d711
commit 0a58d8f139
2 changed files with 56 additions and 9 deletions
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2
samples/android/face-detection/jni/Android.mk
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@ -16,6 +16,6 @@ LOCAL_SRC_FILES := DetectionBasedTracker_jni.cpp
LOCAL_C_INCLUDES += $(LOCAL_PATH) LOCAL_C_INCLUDES += $(LOCAL_PATH)
LOCAL_LDLIBS += -llog -ldl LOCAL_LDLIBS += -llog -ldl
LOCAL_MODULE := detection_based_tacker LOCAL_MODULE := detection_based_tracker
include $(BUILD_SHARED_LIBRARY) include $(BUILD_SHARED_LIBRARY)

63
samples/android/face-detection/src/org/opencv/samples/fd/FdActivity.java
View File

@ -1,5 +1,9 @@
package org.opencv.samples.fd; package org.opencv.samples.fd;
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;
@ -18,8 +22,47 @@ public class FdActivity extends Activity {
private MenuItem mItemFace20; private MenuItem mItemFace20;
private MenuItem mItemType; private MenuItem mItemType;
private FdView mView; private FdView mView;
private BaseLoaderCallback mOpenCVCallBack = new BaseLoaderCallback(this) {
@Override
public void onManagerConnected(int status) {
switch (status) {
case LoaderCallbackInterface.SUCCESS:
{
Log.i(TAG, "OpenCV loaded successfully");
// Load native libs after OpenCV initialization
System.loadLibrary("detection_based_tracker");
// Create and set View
mView = new FdView(mAppContext);
mView.setDetectorType(mDetectorType);
mView.setMinFaceSize(0.2f);
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;
}
}
};
private int mDetectorType = 0; private int mDetectorType = 0;
private String[] mDetectorName; private String[] mDetectorName;
@ -30,18 +73,19 @@ public class FdActivity extends Activity {
mDetectorName[FdView.NATIVE_DETECTOR] = "Native (tracking)"; mDetectorName[FdView.NATIVE_DETECTOR] = "Native (tracking)";
} }
@Override @Override
protected void onPause() { protected void onPause() {
Log.i(TAG, "onPause"); Log.i(TAG, "onPause");
super.onPause(); super.onPause();
mView.releaseCamera(); if (mView != null)
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( mView != null && !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!");
@ -61,10 +105,13 @@ public class FdActivity extends Activity {
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 FdView(this);
mView.setDetectorType(mDetectorType); Log.i(TAG, "Trying to load OpenCV library");
mView.setMinFaceSize(0.2f); if (!OpenCVLoader.initAsync(OpenCVLoader.OPEN_CV_VERSION_2_4_0, this, mOpenCVCallBack))
setContentView(mView); {
Log.e(TAG, "Cannot connect to OpenCV Manager");
finish();
}
} }
@Override @Override