Main.java:25: error: class UpdateActivity is public, should be declared in a file named UpdateActivity.java
public class UpdateActivity extends AppCompatActivity {
^
Main.java:3: error: package android.app does not exist
import android.app.DatePickerDialog;
^
Main.java:4: error: package android.content does not exist
import android.content.ContentValues;
^
Main.java:5: error: package android.content does not exist
import android.content.Intent;
^
Main.java:6: error: package android.database does not exist
import android.database.Cursor;
^
Main.java:7: error: package android.database.sqlite does not exist
import android.database.sqlite.SQLiteDatabase;
^
Main.java:9: error: package android.os does not exist
import android.os.Bundle;
^
Main.java:10: error: package android.support.annotation does not exist
import android.support.annotation.Nullable;
^
Main.java:11: error: package android.support.v7.app does not exist
import android.support.v7.app.AppCompatActivity;
^
Main.java:12: error: package android.view does not exist
import android.view.View;
^
Main.java:13: error: package android.widget does not exist
import android.widget.AdapterView;
^
Main.java:14: error: package android.widget does not exist
import android.widget.ArrayAdapter;
^
Main.java:15: error: package android.widget does not exist
import android.widget.Button;
^
Main.java:16: error: package android.widget does not exist
import android.widget.DatePicker;
^
Main.java:17: error: package android.widget does not exist
import android.widget.EditText;
^
Main.java:18: error: package android.widget does not exist
import android.widget.Spinner;
^
Main.java:19: error: package android.widget does not exist
import android.widget.Toast;
^
Main.java:25: error: cannot find symbol
public class UpdateActivity extends AppCompatActivity {
^
symbol: class AppCompatActivity
Main.java:28: error: cannot find symbol
EditText updTask, updDate;
^
symbol: class EditText
location: class UpdateActivity
Main.java:29: error: cannot find symbol
Spinner spinner;
^
symbol: class Spinner
location: class UpdateActivity
Main.java:30: error: cannot find symbol
Button updBtn, cancelBtn;
^
symbol: class Button
location: class UpdateActivity
Main.java:42: error: cannot find symbol
protected void onCreate(@Nullable Bundle savedInstanceState) {
^
symbol: class Bundle
location: class UpdateActivity
Main.java:42: error: cannot find symbol
protected void onCreate(@Nullable Bundle savedInstanceState) {
^
symbol: class Nullable
location: class UpdateActivity
Main.java:41: error: method does not override or implement a method from a supertype
@Override
^
Main.java:43: error: cannot find symbol
super.onCreate(savedInstanceState);
^
symbol: variable super
location: class UpdateActivity
Main.java:44: error: package R does not exist
setContentView(R.layout.activity_update);
^
Main.java:47: error: cannot find symbol
updTask = (EditText)findViewById(R.id.updTask);
^
symbol: class EditText
location: class UpdateActivity
Main.java:47: error: package R does not exist
updTask = (EditText)findViewById(R.id.updTask);
^
Main.java:48: error: cannot find symbol
updDate = (EditText)findViewById(R.id.updDate);
^
symbol: class EditText
location: class UpdateActivity
Main.java:48: error: package R does not exist
updDate = (EditText)findViewById(R.id.updDate);
^
Main.java:49: error: cannot find symbol
spinner = (Spinner)findViewById(R.id.spinner);
^
symbol: class Spinner
location: class UpdateActivity
Main.java:49: error: package R does not exist
spinner = (Spinner)findViewById(R.id.spinner);
^
Main.java:50: error: cannot find symbol
updBtn = (Button) findViewById(R.id.updBtn);
^
symbol: class Button
location: class UpdateActivity
Main.java:50: error: package R does not exist
updBtn = (Button) findViewById(R.id.updBtn);
^
Main.java:51: error: cannot find symbol
cancelBtn = (Button)findViewById(R.id.cancelBtn);
^
symbol: class Button
location: class UpdateActivity
Main.java:51: error: package R does not exist
cancelBtn = (Button)findViewById(R.id.cancelBtn);
^
Main.java:54: error: package View does not exist
updDate.setOnClickListener(new View.OnClickListener() {
^
Main.java:74: error: cannot find symbol
ArrayAdapter<String> adapter = new ArrayAdapter<String>(UpdateActivity.this,
^
symbol: class ArrayAdapter
location: class UpdateActivity
Main.java:74: error: cannot find symbol
ArrayAdapter<String> adapter = new ArrayAdapter<String>(UpdateActivity.this,
^
symbol: class ArrayAdapter
location: class UpdateActivity
Main.java:75: error: package android.R does not exist
android.R.layout.simple_spinner_dropdown_item, items);
^
Main.java:76: error: package android.R does not exist
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
^
Main.java:80: error: package AdapterView does not exist
spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
^
Main.java:92: error: package View does not exist
updBtn.setOnClickListener(new View.OnClickListener() {
^
Main.java:114: error: package View does not exist
cancelBtn.setOnClickListener(new View.OnClickListener() {
^
Main.java:123: error: method does not override or implement a method from a supertype
@Override
^
Main.java:125: error: cannot find symbol
super.onResume();
^
symbol: variable super
location: class UpdateActivity
Main.java:128: error: cannot find symbol
Intent intent = getIntent();
^
symbol: class Intent
location: class UpdateActivity
Main.java:128: error: cannot find symbol
Intent intent = getIntent();
^
symbol: method getIntent()
location: class UpdateActivity
Main.java:132: error: cannot find symbol
MyDBHelper helper = new MyDBHelper(UpdateActivity.this);
^
symbol: class MyDBHelper
location: class UpdateActivity
Main.java:132: error: cannot find symbol
MyDBHelper helper = new MyDBHelper(UpdateActivity.this);
^
symbol: class MyDBHelper
location: class UpdateActivity
Main.java:133: error: cannot find symbol
SQLiteDatabase db = helper.getWritableDatabase();
^
symbol: class SQLiteDatabase
location: class UpdateActivity
Main.java:135: error: cannot find symbol
Cursor c = db.query("default_tb", new String[]{"date_col", "time_col"},
^
symbol: class Cursor
location: class UpdateActivity
52 errors