Question

所以我试图将带有附加信息的图像上传到网络服务器，但是当我要上传时我会收到错误。

我的日志猫

12-14 00：17：25.246 11931-11931 / com.erlawkward.albarol.capstoneeventlocator D / ViewRootImpl：ViewPostImeInputStage ACTION_DOWN 12-14 00：17：25.346 11931-11931 / com.erlawkward.albarol.capstoneeventlocator E / ViewRootImpl：sendUserActionEvent（）mView == null 12-14 00：17：26.116 11931-11931 / com.erlawkward.albarol.capstoneeventlocator D / ViewRootImpl：ViewPostImeInputStage ACTION_DOWN 12-14 00：17：26.256 11931-16240 / com.erlawkward.albarol.capstoneeventlocator E / AndroidRuntime：FATAL EXCEPTION：AsyncTask＃1 过程：com.erlawkward.albarol.capstoneeventlocator，PID：11931 java.lang.RuntimeException：执行时发生错误 doInBackground（）在android.os.AsyncTask $ 3.done（AsyncTask.java:300）在 java.util.concurrent.FutureTask.finishCompletion（FutureTask.java:355） at java.util.concurrent.FutureTask.setException（FutureTask.java:222）在java.util.concurrent.FutureTask.run（FutureTask.java:242）在android.os.AsyncTask $ SerialExecutor $ 1.run（AsyncTask.java:231）在 java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1112）在 java.util.concurrent.ThreadPoolExecutor中的$ Worker.run（ThreadPoolExecutor.java:587）在java.lang.Thread.run（Thread.java:818）引起：java.lang.ArrayIndexOutOfBoundsException：length = 0;索引= 0 在 com.erlawkward.albarol.capstoneeventlocator.CreateEvent_2Activity $ 1UploadImage.doInBackground（CreateEvent_2Activity.java:268）在 com.erlawkward.albarol.capstoneeventlocator.CreateEvent_2Activity $ 1UploadImage.doInBackground（CreateEvent_2Activity.java:248）在android.os.AsyncTask $ 2.call（AsyncTask.java:288）在java.util.concurrent.FutureTask.run（FutureTask.java:237）在android.os.AsyncTask $ SerialExecutor $ 1.run（AsyncTask.java:231）在 java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1112）在 java.util.concurrent.ThreadPoolExecutor中的$ Worker.run（ThreadPoolExecutor.java:587）在java.lang.Thread.run（Thread.java:818)12-14 00:17:26.626 11931-12007 / com.erlawkward.albarol.capstoneeventlocator D / OpenGLRenderer：0x9bc0c800上的endAllStagingAnimators （RippleDrawable），句柄为0x9df86430 12-14 00：17：26.636 11931-11931 / com.erlawkward.albarol.capstoneeventlocator I / Timeline：时间轴：Activity_idle id：android.os.BinderProxy@2322f347 时间：47950722

我的代码

private int PICK_IMAGE_REQUEST = 1;

private Button b_choose;
private Button b_upload;
private Button b_viewimage;
private Button time_button;
private Button date_button;

private ImageView iv_image;

private Bitmap bitmap;

private Uri filePath;

private TextView time_textview;
private TextView date_textview;
private TextView timeTextView;
private TextView dateTextView;

String date;
String time;

Intent i = getIntent();
String title;
String address;
String description;
String phone;
String lng;
String lat;
String category;


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_create_event_2);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setDisplayShowHomeEnabled(true);

    b_choose = (Button) findViewById(R.id.b_choose);
    b_upload = (Button) findViewById(R.id.b_upload);
    /*b_viewimage = (Button) findViewById(R.id.b_viewimage);*/
    /*Date and Time Picker*/
    timeTextView = (TextView)findViewById(R.id.time_textview);
    dateTextView = (TextView)findViewById(R.id.date_textview);
    Button timeButton = (Button)findViewById(R.id.time_button);
    Button dateButton = (Button)findViewById(R.id.date_button);

    iv_image = (ImageView) findViewById(R.id.iv_image);
    time_textview = (TextView) findViewById(R.id.time_textview);
    date_textview = (TextView) findViewById(R.id.date_textview);

    b_choose.setOnClickListener(this);
    b_upload.setOnClickListener(this);




    timeButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Calendar now = Calendar.getInstance();
            TimePickerDialog tpd = TimePickerDialog.newInstance(
                    CreateEvent_2Activity.this,
                    now.get(Calendar.HOUR_OF_DAY),
                    now.get(Calendar.MINUTE),
                    false
            );
            tpd.setThemeDark(true);
            tpd.setTitle("TimePicker Title");
            tpd.setOnCancelListener(new DialogInterface.OnCancelListener() {
                @Override
                public void onCancel(DialogInterface dialogInterface) {
                    Log.d("TimePicker", "Dialog was cancelled");
                }
            });
            tpd.show(getFragmentManager(), "Timepickerdialog");
        }
    });

    dateButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Calendar now = Calendar.getInstance();
            DatePickerDialog dpd = DatePickerDialog.newInstance(
                    CreateEvent_2Activity.this,
                    now.get(Calendar.YEAR),
                    now.get(Calendar.MONTH),
                    now.get(Calendar.DAY_OF_MONTH)
            );
            dpd.setThemeDark(true);

            dpd.showYearPickerFirst(true);

            dpd.setTitle("DatePicker Title");

            dpd.show(getFragmentManager(), "Datepickerdialog");
        }
    });

}

@Override
public void onResume() {
    super.onResume();
    TimePickerDialog tpd = (TimePickerDialog) getFragmentManager().findFragmentByTag("Timepickerdialog");
    DatePickerDialog dpd = (DatePickerDialog) getFragmentManager().findFragmentByTag("Datepickerdialog");

    if(tpd != null) tpd.setOnTimeSetListener(this);
    if(dpd != null) dpd.setOnDateSetListener(this);
}

@Override
public void onClick(View v) {
    if (v == b_choose) {
        showFileChooser();
    }
    if(v == b_upload){

        Intent i = getIntent();
        title = i.getStringExtra("title");
        address = i.getStringExtra("address");
        time = date_textview.getText().toString();
        date = time_textview.getText().toString();
        phone = i.getStringExtra("phone");
        description = i.getStringExtra("description");
        lng = i.getStringExtra("lng");
        lat = i.getStringExtra("lat");
        category = i.getStringExtra("category");

        uploadImage(title,address,time,date,phone,description,lng,lat,category);
    }
}

@Override
public void onTimeSet(RadialPickerLayout view, int hourOfDay, int minute, int second) {
    String hourString = hourOfDay < 10 ? "0"+hourOfDay : ""+hourOfDay;
    String minuteString = minute < 10 ? "0"+minute : ""+minute;

    String time = hourString+"h"+minuteString+"m";
    timeTextView.setText(time);
}

@Override
public void onDateSet(DatePickerDialog view, int year, int monthOfYear, int dayOfMonth) {
    String date = +dayOfMonth+"/"+(++monthOfYear)+"/"+year;
    dateTextView.setText(date);
}

private void showFileChooser() {
    Intent intent = new Intent();
    intent.setType("image/*");
    intent.setAction(Intent.ACTION_GET_CONTENT);
    startActivityForResult(Intent.createChooser(intent, "Select Picture"), PICK_IMAGE_REQUEST);
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);

    if (requestCode == PICK_IMAGE_REQUEST && resultCode == RESULT_OK && data != null && data.getData() != null) {

        filePath = data.getData();
        try {
            bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), filePath);
            iv_image.setImageBitmap(bitmap);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

public String getStringImage(Bitmap bmp){
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    bmp.compress(Bitmap.CompressFormat.JPEG, 100, baos);
    byte[] imageBytes = baos.toByteArray();
    String encodedImage = Base64.encodeToString(imageBytes, Base64.DEFAULT);
    return encodedImage;
}

private void uploadImage(String title, String address, String time, String date, String phone, String description, String lng, String lat, String category) {
    class UploadImage extends AsyncTask<Bitmap, Void, String> {

        ProgressDialog loading;
        ServerConnection rh = new ServerConnection();

        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            loading = ProgressDialog.show(CreateEvent_2Activity.this, "Uploading Image", "Please wait...", true, true);
        }

        @Override
        protected void onPostExecute(String s) {
            super.onPostExecute(s);
            loading.dismiss();
            Toast.makeText(getApplicationContext(), s, Toast.LENGTH_LONG).show();
        }

        @Override
        protected String doInBackground(Bitmap... params) {
            Bitmap bitmap = params[0];
            String uploadImage = getStringImage(bitmap);

            HashMap<String, String> data = new HashMap<>();
            data.put(UPLOAD_KEY, uploadImage);
            data.put("name", CreateEvent_2Activity.this.title);
            data.put("address", CreateEvent_2Activity.this.description);
            data.put("time", CreateEvent_2Activity.this.time);
            data.put("date", CreateEvent_2Activity.this.date);
            data.put("phone", CreateEvent_2Activity.this.phone);
            data.put("description", CreateEvent_2Activity.this.description);
            data.put("lat", CreateEvent_2Activity.this.lat);
            data.put("lng", CreateEvent_2Activity.this.lng);
            data.put("categoryType", CreateEvent_2Activity.this.category);



            String result = rh.sendPostRequest(UPLOAD_URL, data);

            return result;
        }
    }
    UploadImage up = new UploadImage();
    up.execute();

}

}

我的doInbackground中的代码是否正确？即时通讯新手Android编程我还在学习如何。

将图像上传到网络服务器

0 个答案: