public void onManagerConnected(int status) {
switch (status) {
case LoaderCallbackInterface.SUCCESS:
{
Log.i(TAG, "OpenCV loaded successfully");
System.loadLibrary("detection_based_tracker");
try {
InputStream is = getResources().openRawResource(R.raw.lbpcascade_frontalface);
File cascadeDir = getDir("cascade", Context.MODE_PRIVATE);
mCascadeFile = new File(cascadeDir, "lbpcascade_frontalface.xml");
FileOutputStream os = new FileOutputStream(mCascadeFile);
byte[] buffer = new byte[4096];
int bytesRead;
while ((bytesRead = is.read(buffer)) != -1) {
os.write(buffer, 0, bytesRead);
}
is.close();
os.close();
mJavaDetector = new CascadeClassifier(mCascadeFile.getAbsolutePath());
if (mJavaDetector.empty()) {
Log.e(TAG, "Failed to load cascade classifier");
mJavaDetector = null;
} else
Log.i(TAG, "Loaded cascade classifier from " + mCascadeFile.getAbsolutePath());
cascadeDir.delete();
} catch (IOException e) {
e.printStackTrace();
Log.e(TAG, "Failed to load cascade. Exception thrown: " + e);
}
mOpenCvCameraView.enableView();
} break;
default:
{
super.onManagerConnected(status);
} break;
}
}
};
public Mat onCameraFrame(CvCameraViewFrame inputFrame)
{
mRgba = inputFrame.rgba();
mGray = inputFrame.gray();
if (mAbsoluteFaceSize == 0) {
int height = mGray.rows();
if (Math.round(height * mRelativeFaceSize) > 0) {
mAbsoluteFaceSize = Math.round(height * mRelativeFaceSize);
}
}
MatOfRect faces = new MatOfRect();
if (mDetectorType == JAVA_DETECTOR){
if (mJavaDetector != null)
mJavaDetector.detectMultiScale(mGray, faces, 1.1, 2, 2,
new Size(mAbsoluteFaceSize, mAbsoluteFaceSize), new Size());
}
else {
Log.e(TAG, "Detection method is not selected!");
}
Rect[] facesArray = faces.toArray();
for (int i = 0; i < facesArray.length; i++)
{
Core.rectangle(mRgba, facesArray[i].tl(), facesArray[i].br(), FACE_RECT_COLOR, 5);
}
return mRgba;
}
執行此代碼進行人臉檢測時。我得到這個,應用程序意外停止。我決定做沒有任何選擇和所有的面部檢測。所以,任何人都可以告訴我我的代碼有什麼問題。應用程序意外停止。強制關閉。該怎麼辦?
在此先感謝。
logcat的
9月1日至24日:50:04.605:d/dalvikvm(335):的newInstance失敗:P0 I0 [0 A1
9月1日至24日:50:04.605:d/AndroidRuntime(335) :關閉VM
9月1日至24日:50:04.605:W/dalvikvm(335):線程ID = 1:螺紋與未捕獲的異常(組= 0x40015560)離開
9月1日至24日:50:04.625 :E/AndroidRuntime(335):致命例外:主
01-24 09:50:04.625:E/AndroidRuntime(335):java.lang.RuntimeException:無法實例化活動ComponentInfo {com.example.faces/com.example.faces.MainActivity}:java.lang.InstantiationException:com.example.faces.MainActivity
01-24 09:50:04.625:E/AndroidRuntime(335):at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1569)
01-24 09:50:04.625:E/AndroidRuntime(335) :at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
01-24 09:50:04.625:E/AndroidRuntime(335):at android.app.ActivityThread.access $ 1500(ActivityThread.java: 117)
9月1日至24日:50:04.625:E/AndroidRuntime(335):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:931)
9月1日至24日:50:04.625:E/AndroidRuntime(335):at android.os.Handler.dispatchMessage(Handler.java:99)
01-24 09:50:04.625:E/AndroidRuntime(335):at android.os.Looper.loop(Looper的.java:123)
01-24 09:50:04.625:E/AndroidRuntime(335):在android.app.ActivityThread.main(ActivityThread.java:3683)
01-24 9時50 :04.625:E/AndroidRuntime(335):at java.lang.refl ect.Method.invokeNative(本機方法)
9月1日至24日:50:04.625:E/AndroidRuntime(335):在java.lang.reflect.Method.invoke(Method.java:507)
01-24 09:50:04.625:E/AndroidRuntime(335):at com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:839)
01-24 09:50:04.625: E/AndroidRuntime(335):at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
01-24 09:50:04.625:E/AndroidRuntime(335):at dalvik.system .NativeStart.main(Native Method)
九月1日至24日:50:04.625:E/AndroidRuntime(335):java.lang.InstantiationException:com.example.faces.MainActivity
九月1日至24日:50:04.625:致E/AndroidRuntime(335):在java.lang.Class。newInstanceImpl(本機方法)
01-24 09:50:04.625:E/AndroidRuntime(335):在java.lang.Class.newInstance(Class.java:1409)
01-24 9時五十:04.625:E/AndroidRuntime(335):在android.app.Instrumentation.newActivity(Instrumentation.java:1021)
01-24 09:50:04.625:E/AndroidRuntime(335):at android.app。 ActivityThread.performLaunchActivity(ActivityThread.java:1561)
9月1日至24日:50:04.625:E/AndroidRuntime(335):... 11更
請給我們一個錯誤stacktrace ... –
其實在控制檯中沒有發生錯誤。所以我給你發送logcat。 – Somashekar
我在我的問題本身中附加了logcat。請仔細查看。 – Somashekar