Android
Android copied to clipboard
AmrDeveloper
App Crashing
java.lang.RuntimeException: An error occurred while executing doInBackground() at androidx.loader.content.ModernAsyncTask$3.done(ModernAsyncTask.java:164) at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383) at java.util.concurrent.FutureTask.setException(FutureTask.java:252) at java.util.concurrent.FutureTask.run(FutureTask.java:271) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636) at java.lang.Thread.run(Thread.java:764) Caused by: java.lang.NullPointerException: uri at com.android.internal.util.Preconditions.checkNotNull(Preconditions.java:128) at android.content.ContentResolver.query(ContentResolver.java:737) at android.content.ContentResolver.query(ContentResolver.java:704) at androidx.core.content.ContentResolverCompat.query(ContentResolverCompat.java:81) at androidx.loader.content.CursorLoader.loadInBackground(CursorLoader.java:63) at androidx.loader.content.CursorLoader.loadInBackground(CursorLoader.java:41) at androidx.loader.content.AsyncTaskLoader.onLoadInBackground(AsyncTaskLoader.java:307) at androidx.loader.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:60) at androidx.loader.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:48) at androidx.loader.content.ModernAsyncTask$2.call(ModernAsyncTask.java:141) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636) at java.lang.Thread.run(Thread.java:764)
Hello @NatBob Thanks for your report, Can you please provide some information
AppName: Android OS Version:
When is the crash happen? when you do what?
The Crash Happens on trying to open Editor Activity. The App has 4 Activities but only crashes when I want to open this, since I included image functionality Editor Activity Code: package com.example.kopagas;
import android.Manifest; import android.content.ContentValues; import android.content.Intent; import android.content.pm.PackageManager; import android.database.Cursor; import android.graphics.Bitmap; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.provider.MediaStore; import android.text.TextUtils; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.ImageView; import android.widget.Spinner; import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity; import androidx.core.app.NavUtils; import androidx.loader.app.LoaderManager; import androidx.loader.content.CursorLoader; import androidx.loader.content.Loader;
import com.example.kopagas.kopadata.UserContract.brandsEntry; import com.google.android.material.floatingactionbutton.FloatingActionButton;
import java.io.IOException;
public class EditorActivity extends AppCompatActivity implements LoaderManager.LoaderCallbacks<Cursor> { private Uri mCurrentBrandUri; private static final int STOCK_LOADER=0;
/** EditText field to enter the pet's name */
private EditText mNameEditText;
/** EditText field to enter the pet's breed */
private EditText mOutletEditText;
/** EditText field to enter the pet's weight */
private EditText mPriceEditText;
/** EditText field to enter the pet's gender */
private Spinner mSizeSpinner;
/**
* Gender of the pet. The possible values are:
* 0 for unknown gender, 1 for male, 2 for female.
*/
private int mSize = brandsEntry.MEDIUM_CYLINDER;
private ImageView imageView;
byte[] imageByteArray;
Bitmap bitmap;
FloatingActionButton button;
Button editButton;
/**
* Boolean flag that keeps track of whether the gas has been edited (true) or not (false)
*/
private boolean ShelveHasChanged = false;
/**
* OnTouchListener that listens for any user touches on a View, implying that they are modifying
* the view, and we change the medicineHasChanged boolean to true.
*/
private View.OnTouchListener mTouchListener = new View.OnTouchListener() {
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
ShelveHasChanged = true;
return false;
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_editor);
/**
// Find all relevant views that we will need to read user input from
mNameEditText = (EditText) findViewById(R.id.edit_gas_name);
mOutletEditText = (EditText) findViewById(R.id.edit_gas_outlet);
mPriceEditText = (EditText) findViewById(R.id.edit_gas_price);
mSizeSpinner = (Spinner) findViewById(R.id.spinner_gas_size);
imageView = (ImageView) findViewById(R.id.my_avatar);
button = (FloatingActionButton) findViewById(R.id.fab);
editButton = (Button) findViewById(R.id.edit_button);
*/
initializeUIElements();
setupSpinner();
//Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
//setSupportActionBar(toolbar);
/**
imageView = (ImageView) findViewById(R.id.my_avatar);
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
selectImage(EditorActivity.this);
}
});
*/
// Initialize all views..
// Examine the intent that was used to launch this activity,
// in order to figure out if we're creating a new brand or editing an existing one.
Intent intent = getIntent();
mCurrentBrandUri = intent.getData();
// If the intent DOES NOT contain a brand content URI, then we know that we are
// creating a new brand.
if (mCurrentBrandUri == null) {
// This is a new brand, so change the app bar to say "Add a Brand"
// I know we are coming from the FAB button being pressed
setTitle(getString(R.string.detail_activity_title_new_gas));
// Hide the Order Button if the gas is going to be added and not stored yet.
editButton.setVisibility(View.GONE);
// Invalidate the options menu, so the "Delete" menu option can be hidden.
// (It doesn't make sense to delete a medicine that hasn't been created yet.)
invalidateOptionsMenu();
} else {
// Otherwise this is an existing medicine, so change app bar to say "Edit Medicine"
// I know we are coming from clicking a medicine in the Main Activity.
setTitle(getString(R.string.detail_activity_title_edit_gas));
}
getSupportLoaderManager().initLoader(STOCK_LOADER, null, this);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//selectImage();
getImageFromGallery();
}
});
}
/**
* This method initializes all UI elements used in the Activity
*/
public void initializeUIElements() {
mNameEditText = (EditText) findViewById(R.id.edit_gas_name);
mPriceEditText = (EditText) findViewById(R.id.edit_gas_price);
imageView = (ImageView) findViewById(R.id.my_avatar);
mOutletEditText = (EditText) findViewById(R.id.edit_gas_outlet);
mSizeSpinner = (Spinner) findViewById(R.id.spinner_gas_size);
//mOutletEditText = (EditText) findViewById(R.id.edit_gas_outlet);
button = (FloatingActionButton) findViewById(R.id.fab);
editButton = (Button) findViewById(R.id.edit_button);
//Button increaseButton = (Button) findViewById(R.id.increaseButton);
//Button decreaseButton = (Button) findViewById(R.id.decreaseButton);
// Setup OnTouchListeners on all the input fields, so we can determine if the user
// has touched or modified them. This will let us know if there are unsaved changes
// or not, if the user tries to leave the editor without saving.
mNameEditText.setOnTouchListener(mTouchListener);
mPriceEditText.setOnTouchListener(mTouchListener);
button.setOnTouchListener(mTouchListener);
mSizeSpinner.setOnTouchListener(mTouchListener);
mOutletEditText.setOnTouchListener(mTouchListener);
//phoneEditText.setOnTouchListener(mTouchListener);
//increaseButton.setOnTouchListener(mTouchListener);
//decreaseButton.setOnTouchListener(mTouchListener);
}
// Get Image from Gallery
private void getImageFromGallery() {
int READ_EXTERNAL_STORAGE = 0;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (EditorActivity.this.checkSelfPermission(Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
EditorActivity.this.requestPermissions(new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, READ_EXTERNAL_STORAGE);
return;
}
}
try {
Intent intent = new Intent(Intent.ACTION_PICK,
MediaStore.Images.Media.INTERNAL_CONTENT_URI);
intent.setType("image/*");
startActivityForResult(intent, 100);
} catch (Exception exp) {
Log.i("Error", exp.toString());
}
}
/**
private void selectImage(Context context) {
final CharSequence[] options = { "Take Photo", "Choose from Gallery","Cancel" };
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setTitle("Choose your profile picture");
builder.setItems(options, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int item) {
if (options[item].equals("Take Photo")) {
Intent takePicture = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(takePicture, 0);
} else if (options[item].equals("Choose from Gallery")) {
Intent pickPhoto = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(pickPhoto , 1);
} else if (options[item].equals("Cancel")) {
dialog.dismiss();
}
}
});
builder.show();
}
*/
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 100 && resultCode == RESULT_OK) {
Uri selectedImage = data.getData();
imageView.setImageURI(selectedImage);
try {
bitmap = MediaStore.Images.Media.getBitmap(this.getContentResolver(), selectedImage);
imageByteArray = DbBitmapUtility.getBytes(bitmap);
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode != RESULT_CANCELED) {
switch (requestCode) {
case 0:
if (resultCode == RESULT_OK && data != null) {
Bitmap selectedImage = (Bitmap) data.getExtras().get("data");
imageView.setImageBitmap(selectedImage);
}
break;
case 1:
if (resultCode == RESULT_OK && data != null) {
Uri selectedImage = data.getData();
String[] filePathColumn = {MediaStore.Images.Media.DATA};
if (selectedImage != null) {
Cursor cursor = getContentResolver().query(selectedImage,
filePathColumn, null, null, null);
if (cursor != null) {
cursor.moveToFirst();
int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
String picturePath = cursor.getString(columnIndex);
imageView.setImageBitmap(BitmapFactory.decodeFile(picturePath));
cursor.close();
}
}
}
break;
}
}
}
*/
/**
* Setup the dropdown spinner that allows the user to select the gender of the livestock.
*/
private void setupSpinner() {
// Create adapter for spinner. The list options are from the String array it will use
// the spinner will use the default layout
ArrayAdapter genderSpinnerAdapter = ArrayAdapter.createFromResource(this,
R.array.array_gender_options, android.R.layout.simple_spinner_item);
// Specify dropdown layout style - simple list view with 1 item per line
genderSpinnerAdapter.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line);
// Apply the adapter to the spinner
mSizeSpinner.setAdapter(genderSpinnerAdapter);
// Set the integer mSelected to the constant values
mSizeSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
String selection = (String) parent.getItemAtPosition(position);
if (!TextUtils.isEmpty(selection)) {
if (selection.equals(getString(R.string.big_cylinder))) {
mSize = brandsEntry.BIG_CYLINDER; // 13kg
} else if (selection.equals(getString(R.string.medium_cylinder))) {
mSize = brandsEntry.MEDIUM_CYLINDER; // 6kg
} else {
mSize = brandsEntry.SMALL_CYLINDER; // 3kg
}
}
}
// Because AdapterView is an abstract class, onNothingSelected must be defined
@Override
public void onNothingSelected(AdapterView<?> parent) {
mSize = 0; // Unknown
}
});
}
private void insertAction() {
String nameString = mNameEditText.getText().toString().trim();
String outletString = mOutletEditText.getText().toString().trim();
String mSize = mSizeSpinner.getSelectedItem().toString().trim();
String priceString = mPriceEditText.getText().toString().trim();
//String String = mPriceEditText.getText().toString().trim();
//int mSize = Integer.parseInt(sizeString);
int price = Integer.parseInt(priceString);
//GasDbHelper mGasDbHelper = new GasDbHelper(this);
//SQLiteDatabase database = mGasDbHelper.getWritableDatabase();
//Uri newUri = getContentResolver().insert(DairyEntry.CONTENT_URI, values);
// Default Image if the user has no image for the medicine.
byte[] defaultImage = DbBitmapUtility.getImage(this, R.drawable.safegas);
//byte[] imageByteArray = imageView.getImageBitMap().toBitMap().trim();
// Create a ContentValues object where column names are the keys,
// and medicine attributes from the editor are the values.
ContentValues values = new ContentValues();
if (imageByteArray == null) {
values.put(brandsEntry.COLUMN_IMAGE, defaultImage);
} else {
values.put(brandsEntry.COLUMN_IMAGE, imageByteArray);
}
values.put(brandsEntry.COLUMN_NAME, nameString);
values.put(brandsEntry.VENDOR_OUTLET, outletString);
values.put(brandsEntry.COLUMN_SIZE, mSize);
values.put(brandsEntry.COLUMN_PRICE, price);
// Insert a new pet into the provider, returning the content URI for the new pet.
//Long newRowId = database.insert(brandsEntry.TABLE_NAME, null, values);
Uri newUri = getContentResolver().insert(brandsEntry.CONTENT_URI, values);
// Show a toast message depending on whether or not the insertion was successful
if (newUri == null) {
// If the new content URI is null, then there was an error with insertion.
Toast.makeText(this, getString(R.string.editor_insert_failed),
Toast.LENGTH_SHORT).show();
} else {
// Otherwise, the insertion was successful and we can display a toast.
Toast.makeText(this, getString(R.string.editor_insert_successful),
Toast.LENGTH_LONG).show();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu options from the res/menu/menu_editor.xml file.
// This adds menu items to the app bar.
getMenuInflater().inflate(R.menu.menu_editor, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// User clicked on a menu option in the app bar overflow menu
switch (item.getItemId()) {
// Respond to a click on the "Save" menu option
case R.id.action_save:
// save new livestock into databaseinsertBrand();
//close editor and return to catalog activity
insertAction();
displayBrands();
//finish();
return true;
// Respond to a click on the "Delete" menu option
case R.id.action_delete:
// Do nothing for now
return true;
// Respond to a click on the "Up" arrow button in the app bar
case android.R.id.home:
// Navigate back to parent activity (CatalogActivity)
NavUtils.navigateUpFromSameTask(this);
return true;
}
return super.onOptionsItemSelected(item);
}
private void displayBrands(){
Intent vendorIntent= new Intent(EditorActivity.this, Brands.class);
startActivity(vendorIntent);
Log.i("MainActivity","Login to OkoaGas");
}
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
// Since the editor shows all brand attributes, define a projection that contains
// all columns from the Brands table
String[] projection = {
brandsEntry._ID,
brandsEntry.COLUMN_NAME,
brandsEntry.COLUMN_SIZE,
brandsEntry.COLUMN_PRICE,
//brandsEntry.COLUMN_SIZE,
brandsEntry.VENDOR_OUTLET,
brandsEntry.COLUMN_IMAGE,
};
// This loader will execute the ContentProvider's query method on a background thread
return new CursorLoader(this, // Parent activity context
mCurrentBrandUri, // Query the content URI for the current medicine
projection, // Columns to include in the resulting Cursor
null, // No selection clause
null, // No selection arguments
null); // Default sort order
}
//String phone;
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
// Bail early if the cursor is null or there is less than 1 row in the cursor
if (cursor == null || cursor.getCount() < 1) {
return;
}
// Proceed with moving to the first row of the cursor and reading data from it
// (This should be the only row in the cursor)
if (cursor.moveToFirst()) {
// Find the columns of medicine attributes that we're interested in
int nameColumnIndex = cursor.getColumnIndex(brandsEntry.COLUMN_NAME);
int priceColumnIndex = cursor.getColumnIndex(brandsEntry.COLUMN_PRICE);
int imageColumnIndex = cursor.getColumnIndex(brandsEntry.COLUMN_IMAGE);
int sizeColumnIndex = cursor.getColumnIndex(brandsEntry.COLUMN_SIZE);
int supplierColumnIndex = cursor.getColumnIndex(brandsEntry.VENDOR_OUTLET);
//int phoneColumnIndex = cursor.getColumnIndex(MedicineEntry.COLUMN_PHONE);
// Extract out the value from the Cursor for the given column index
String name = cursor.getString(nameColumnIndex);
double price = cursor.getDouble(priceColumnIndex);
imageByteArray = cursor.getBlob(imageColumnIndex);
Bitmap image = DbBitmapUtility.getImage(imageByteArray);
int size = cursor.getInt(sizeColumnIndex);
String outlet = cursor.getString(supplierColumnIndex);
//phone = cursor.getString(phoneColumnIndex);
// Update the views on the screen with the values from the database
mNameEditText.setText(name);
mPriceEditText.setText(Double.toString(price));
imageView.setImageBitmap(image);
//mSizeSpinner.setText(String.valueOf(size));
mSizeSpinner.setSelection(size);
mOutletEditText.setText(outlet);
//phoneEditText.setText(phone);
//mWeightEditText.setText(Integer.toString(weight));
//mGenderSpinner.setSelection(gender);
// Gender is a dropdown spinner, so map the constant value from the database
// into one of the dropdown options (0 is Unknown, 1 is Male, 2 is Female).
// Then call setSelection() so that option is displayed on screen as the current selection.
switch (size) {
case brandsEntry.SMALL_CYLINDER:
mSizeSpinner.setSelection(3);
break;
case brandsEntry.MEDIUM_CYLINDER:
mSizeSpinner.setSelection(6);
break;
default:
mSizeSpinner.setSelection(12);
break;
}
}
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
// If the loader is invalidated, clear out all the data from the input fields.
mNameEditText.setText("");
mPriceEditText.setText("");
imageView.setImageResource(0);
mSizeSpinner.setSelection(0);
mOutletEditText.setText("");
//phoneEditText.setText("");
}
}
Android OS Version: 4.1.1
This is ud845-Pets app right but you edit it? https://github.com/AmrDeveloper/Android/tree/master/Basics%20Nanodegree/ud845-Pets
No it's the inventory app but borrowing some functionalities from the pets app.
However, I actually found where the error was emanating and fixed it. Thanks
On Tue, May 4, 2021, 22:02 Amr Hesham @.***> wrote:
This is ud845-Pets app right but you edit it?
https://github.com/AmrDeveloper/Android/tree/master/Basics%20Nanodegree/ud845-Pets
— You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub https://github.com/AmrDeveloper/Android/issues/1#issuecomment-832172664, or unsubscribe https://github.com/notifications/unsubscribe-auth/APLDETYFUI5YX5MS5T4Z5TLTMBACZANCNFSM43Z2T4CQ .