How to get user to set image in image view from gallery than upload to parse

[papich...@gmail.com]

Hey guys, i been having some trouble trying to figure this out. I'm able to manually set a drawable in the imageview in xml and that would upload with no issues during user registration. but as soon as i remove that source from the image view and user selcts profile pic to upload, app forcecloses. please check out my code below, any help would be greatly appreciated.  

package com.darkkness.androiddeveloper.darknessensues.LoginActivity;

/**
 * Created by arindam on 10/6/16.
 */

import android.app.ProgressDialog;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.AppCompatButton;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;
import com.darkkness.androiddeveloper.darknessensues.R;
import com.darkkness.androiddeveloper.darknessensues.NetworkCheck.NetworkCheck;
import com.parse.ParseException;
import com.parse.ParseFile;
import com.parse.ParseUser;
import com.parse.SaveCallback;
import com.parse.SignUpCallback;
import com.squareup.picasso.Picasso;

import java.io.ByteArrayOutputStream;


public class SignupActivity extends AppCompatActivity implements View.OnClickListener {

    EditText etName, etEmail, etPassword;
    AppCompatButton btnSignup;
    ProgressDialog progressDialog;
    ImageView profylpic;
    private static int RESULT_LOAD_IMAGE = 1;
    private static int SELECT_PICTURE = 1;
    ParseFile file;


    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_signup);


        profylpic = (ImageView) findViewById(R.id.ProfilePic);
        etName = (EditText)findViewById(R.id.input_name);
        etEmail = (EditText)findViewById(R.id.input_email);
        etPassword = (EditText)findViewById(R.id.input_password);
        btnSignup = (AppCompatButton)findViewById(R.id.btn_signup);
        btnSignup.setOnClickListener(this);


        profylpic.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent();
                intent.setType("image/*");
                intent.setAction(Intent.ACTION_GET_CONTENT);
                startActivityForResult(Intent.createChooser(intent, "Select Picture"), SELECT_PICTURE);
            }
        });

        memberimage();

    }


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

        if (resultCode == RESULT_OK) {
            if (requestCode == SELECT_PICTURE) {

                //Get ImageURi and load with help of picasso
                //Uri selectedImageURI = data.getData();

                Picasso.with(SignupActivity.this).load(data.getData()).noPlaceholder().centerCrop().fit()
                        .into((ImageView) findViewById(R.id.ProfilePic));
            }

        }

    }

    private void memberimage() {
        try {




            Bitmap image = ((BitmapDrawable)profylpic.getDrawable()).getBitmap();
            profylpic.setImageBitmap(image);
            ByteArrayOutputStream stream = new ByteArrayOutputStream();
            image.compress(Bitmap.CompressFormat.PNG, 100, stream);
            final byte[] byteArray = stream.toByteArray();
            file = new ParseFile("myimage.png", byteArray);
            file.saveInBackground(new SaveCallback() {
                @Override
                public void done(ParseException e) {
                    if (null == e)

                        signup();
                }
            });
        }catch (Exception e) {

            Log.e("YOUR_APP_LOG_TAG", "I got an error", e);

        }

    }


    @Override
    public void onClick(View v) {

        if(v==btnSignup)
        {

            signup();
        }

    }


    public void signup() {


        final String name = etName.getText().toString();
        final String email = etEmail.getText().toString();
        final String password = etPassword.getText().toString();


        if(NetworkCheck.isNetworkAvailable(this)) {

            if (validate()) {
                progressDialog = ProgressDialog.show(this, "", getString(R.string.dialog_msg), true);
                final ParseUser user = new ParseUser();
                user.put("Name", name);
                user.setUsername(email);
                user.setEmail(email);
                user.setPassword(password);
                user.put("ProfilePic", file);

                user.signUpInBackground(new SignUpCallback() {

                    public void done(ParseException e) {
                        if (e == null) {



                            Toast.makeText(getApplicationContext(), getResources().getString(R.string.account_created), Toast.LENGTH_SHORT).show();
                            finish();
                        }

                        else {
                            Toast.makeText(getApplicationContext(),
                                    "Sign up Error", Toast.LENGTH_LONG)
                                    .show();

                            Log.e("YOUR_APP_LOG_TAG", "I got an error", e);

                        }
                    }
                });
                progressDialog.dismiss();
            }
        }else
        {

            Toast.makeText(getApplicationContext(), getResources().getString(R.string.noInternet), Toast.LENGTH_SHORT).show();

        }
    }


    public boolean validate() {
        boolean valid = true;

        String name = etName.getText().toString();
        String email = etEmail.getText().toString();
        String password = etPassword.getText().toString();


        if (name.isEmpty() || name.length() < 3) {
            etName.setError("at least 3 characters");
            valid = false;
        } else {
            etName.setError(null);
        }

        if (email.isEmpty() || !android.util.Patterns.EMAIL_ADDRESS.matcher(email).matches()) {
            etEmail.setError("enter a valid email address");
            valid = false;
        } else {
            etEmail.setError(null);
        }

        if (password.isEmpty() || password.length() < 4 || password.length() > 10) {
            etPassword.setError("between 4 and 10 alphanumeric characters");
            valid = false;
        } else {
            etPassword.setError(null);
        }
        return valid;
    }
}

08-16 17:51:23.191 5064-5064/com.darkkness.androiddeveloper.darknessensues E/AndroidRuntime: FATAL EXCEPTION: main
                                                                                             Process: com.darkkness.androiddeveloper.darknessensues, PID: 5064
                                                                                             java.lang.IllegalArgumentException: value may not be null.
                                                                                                 at com.parse.ParseObject.performPut(ParseObject.java:2860)
                                                                                                 at com.parse.ParseObject.put(ParseObject.java:2851)
                                                                                                 at com.parse.ParseUser.put(ParseUser.java:424)
                                                                                                 at com.darkkness.androiddeveloper.darknessensues.LoginActivity.SignupActivity.signup(SignupActivity.java:152)
                                                                                                 at com.darkkness.androiddeveloper.darknessensues.LoginActivity.SignupActivity.onClick(SignupActivity.java:129)
                                                                                                 at android.view.View.performClick(View.java:5702)
                                                                                                 at android.widget.TextView.performClick(TextView.java:10888)
                                                                                                 at android.view.View$PerformClick.run(View.java:22533)
                                                                                                 at android.os.Handler.handleCallback(Handler.java:739)
                                                                                                 at android.os.Handler.dispatchMessage(Handler.java:95)
                                                                                                 at android.os.Looper.loop(Looper.java:158)
                                                                                                 at android.app.ActivityThread.main(ActivityThread.java:7229)
                                                                                                 at java.lang.reflect.Method.invoke(Native Method)
                                                                                                 at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
                                                                                                 at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)

[Davi Macêdo]

It seems that some of your var is null. Maybe "file". Which are the lines 129 an 152?