teratail
回答率
85.30%
質問するログイン新規登録
トップに関する質問android studioでアプリの開発をしていて困っています。

編集履歴

質問編集履歴

3

2017/07/31 08:48

投稿

退会済みユーザー
title CHANGED
File without changes
body CHANGED
File without changes

2

2017/07/31 08:48

投稿

退会済みユーザー
title CHANGED
File without changes
body CHANGED
@@ -2,7 +2,7 @@
2
2
  実機で動かした際に問題が発生したためと強制終了されるのですが、どうしたら良いのでしょうか。logcatには下記のように記述されています。何かアドバイスをお願いします。
3
3
 
4
4
  FATAL EXCEPTION: main
5
- Process: com.example.yser.basketballtimer, PID: 21654
5
+ Process: com.example.yser., PID: 21654
6
6
  java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.yser.basketballtimer/com.example.yser.basketballtimer.MainActivity}: java.lang.InstantiationException: class com.example.yser.basketballtimer.MainActivity cannot be instantiated
7
7
  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2290)
8
8
  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2442)
@@ -28,107 +28,4 @@
28
28
  at java.lang.reflect.Method.invoke(Native Method) 
29
29
  at java.lang.reflect.Method.invoke(Method.java:372) 
30
30
  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1020) 
31
- at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:815) 
31
+ at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:815) 
32
-
33
-
34
-
35
-
36
- 追記：ソースコードはこれです。ストリーム配信した映像から円を検出しようとしています。
37
-
38
- import android.os.Bundle;
39
- import android.support.v7.app.AppCompatActivity;
40
- import android.util.Log;
41
- import org.opencv.android.BaseLoaderCallback;
42
- import org.opencv.android.CameraBridgeViewBase.CvCameraViewListener;
43
- import org.opencv.android.LoaderCallbackInterface;
44
- import org.opencv.android.OpenCVLoader;
45
- import org.opencv.core.CvType;
46
- import org.opencv.core.Core;
47
- import org.opencv.core.Mat;
48
- import org.opencv.android.CameraBridgeViewBase.CvCameraViewFrame;
49
- import org.opencv.core.Scalar;
50
- import org.opencv.imgproc.Imgproc;
51
- import org.opencv.core.Point;
52
- import org.opencv.videoio.VideoCapture;
53
-
54
- public abstract class MainActivity extends AppCompatActivity implements CvCameraViewListener {
55
-
56
- private final BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
57
- @Override
58
- public void onManagerConnected(int status) {
59
- switch (status) {
60
- case LoaderCallbackInterface.SUCCESS:
61
- {
62
- Log.i("Opencv", "loaded successfully");
63
- }
64
- break;
65
- default:
66
- {
67
- super.onManagerConnected(status);
68
- }
69
- break;
70
- }
71
- }};
72
-
73
- @Override
74
- public void onResume() {
75
- super.onResume();
76
- OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_1_0, this, mLoaderCallback);
77
- }
78
-
79
-
80
- private Mat mCameraFrame;
81
- public final VideoCapture capture =new VideoCapture("http://????action=stream");
82
- public void onCreate(Bundle savedInstanceState){
83
- super.onCreate(savedInstanceState);
84
- System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
85
- if( capture.isOpened()){
86
- capture.read(mCameraFrame);
87
- if( !mCameraFrame.empty() ) {
88
- capture.open(0);
89
- setContentView(R.layout.activity_main);
90
- }
91
- else{
92
- System.out.println(" -- No captured frame -- ");
93
- setContentView(R.layout.activity_main);
94
- }
95
- }
96
- else{
97
- System.out.println(" -- Can't boot -- ");
98
- setContentView(R.layout.activity_main);
99
-
100
- }
101
- }
102
-
103
- @Override
104
- public void onCameraViewStarted(int width, int height) {
105
- mCameraFrame = new Mat(height, width, CvType.CV_8UC1);
106
- }
107
-
108
- @Override
109
- public void onCameraViewStopped() {
110
- mCameraFrame.release();
111
- }
112
-
113
- @Override
114
- public void onCameraFrame(CvCameraViewFrame inputFrame) {
115
- Mat circles = new Mat();
116
- Imgproc.cvtColor(mCameraFrame, mCameraFrame, Imgproc.COLOR_RGB2GRAY);
117
- Imgproc.HoughCircles(mCameraFrame, circles, Imgproc.CV_HOUGH_GRADIENT, 2, 10, 160, 50, 10, 20);
118
- fncDrwCircles(circles, mCameraFrame);
119
- }
120
-
121
- private void fncDrwCircles(Mat circles, Mat mCameraFrame) {
122
- double[] data;
123
- double rho;
124
- Point pt = new Point();
125
- for (int i = 0; i < circles.cols(); i++) {
126
- data = circles.get(0, i);
127
- pt.x = data[0];
128
- pt.y = data[1];
129
- rho = data[2];
130
- Imgproc.circle(mCameraFrame, pt, (int) rho, new Scalar(255, 0, 0), 2);
131
- }
132
-
133
- }
134
- }

1

ソースコードを追記しました

2017/07/31 08:48

投稿

退会済みユーザー
title CHANGED
File without changes
body CHANGED
@@ -28,4 +28,107 @@
28
28
  at java.lang.reflect.Method.invoke(Native Method) 
29
29
  at java.lang.reflect.Method.invoke(Method.java:372) 
30
30
  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1020) 
31
- at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:815) 
31
+ at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:815) 
32
+
33
+
34
+
35
+
36
+ 追記：ソースコードはこれです。ストリーム配信した映像から円を検出しようとしています。
37
+
38
+ import android.os.Bundle;
39
+ import android.support.v7.app.AppCompatActivity;
40
+ import android.util.Log;
41
+ import org.opencv.android.BaseLoaderCallback;
42
+ import org.opencv.android.CameraBridgeViewBase.CvCameraViewListener;
43
+ import org.opencv.android.LoaderCallbackInterface;
44
+ import org.opencv.android.OpenCVLoader;
45
+ import org.opencv.core.CvType;
46
+ import org.opencv.core.Core;
47
+ import org.opencv.core.Mat;
48
+ import org.opencv.android.CameraBridgeViewBase.CvCameraViewFrame;
49
+ import org.opencv.core.Scalar;
50
+ import org.opencv.imgproc.Imgproc;
51
+ import org.opencv.core.Point;
52
+ import org.opencv.videoio.VideoCapture;
53
+
54
+ public abstract class MainActivity extends AppCompatActivity implements CvCameraViewListener {
55
+
56
+ private final BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
57
+ @Override
58
+ public void onManagerConnected(int status) {
59
+ switch (status) {
60
+ case LoaderCallbackInterface.SUCCESS:
61
+ {
62
+ Log.i("Opencv", "loaded successfully");
63
+ }
64
+ break;
65
+ default:
66
+ {
67
+ super.onManagerConnected(status);
68
+ }
69
+ break;
70
+ }
71
+ }};
72
+
73
+ @Override
74
+ public void onResume() {
75
+ super.onResume();
76
+ OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_1_0, this, mLoaderCallback);
77
+ }
78
+
79
+
80
+ private Mat mCameraFrame;
81
+ public final VideoCapture capture =new VideoCapture("http://????action=stream");
82
+ public void onCreate(Bundle savedInstanceState){
83
+ super.onCreate(savedInstanceState);
84
+ System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
85
+ if( capture.isOpened()){
86
+ capture.read(mCameraFrame);
87
+ if( !mCameraFrame.empty() ) {
88
+ capture.open(0);
89
+ setContentView(R.layout.activity_main);
90
+ }
91
+ else{
92
+ System.out.println(" -- No captured frame -- ");
93
+ setContentView(R.layout.activity_main);
94
+ }
95
+ }
96
+ else{
97
+ System.out.println(" -- Can't boot -- ");
98
+ setContentView(R.layout.activity_main);
99
+
100
+ }
101
+ }
102
+
103
+ @Override
104
+ public void onCameraViewStarted(int width, int height) {
105
+ mCameraFrame = new Mat(height, width, CvType.CV_8UC1);
106
+ }
107
+
108
+ @Override
109
+ public void onCameraViewStopped() {
110
+ mCameraFrame.release();
111
+ }
112
+
113
+ @Override
114
+ public void onCameraFrame(CvCameraViewFrame inputFrame) {
115
+ Mat circles = new Mat();
116
+ Imgproc.cvtColor(mCameraFrame, mCameraFrame, Imgproc.COLOR_RGB2GRAY);
117
+ Imgproc.HoughCircles(mCameraFrame, circles, Imgproc.CV_HOUGH_GRADIENT, 2, 10, 160, 50, 10, 20);
118
+ fncDrwCircles(circles, mCameraFrame);
119
+ }
120
+
121
+ private void fncDrwCircles(Mat circles, Mat mCameraFrame) {
122
+ double[] data;
123
+ double rho;
124
+ Point pt = new Point();
125
+ for (int i = 0; i < circles.cols(); i++) {
126
+ data = circles.get(0, i);
127
+ pt.x = data[0];
128
+ pt.y = data[1];
129
+ rho = data[2];
130
+ Imgproc.circle(mCameraFrame, pt, (int) rho, new Scalar(255, 0, 0), 2);
131
+ }
132
+
133
+ }
134
+ }