Adroid Studio Error
View.setOnClickListener Error: Class 'anonymous class derived from OnClickListener ' must either be declared abstract or implement abstract method 'onClick(View)' in 'OnClickListener '
@Override Error: Method does not override method from its superclass
give the correct name of the onClick() method, given metjhod is wrong correct it.
Wrong: public void OnClick(View view) { //Onclick in wrong with capital O // code here }
correct:
give the correct method name
public void onClick(View view) { //onclick in method starts with small O // code here }
Adroid Studio Error View.setOnClickListener Error: Class 'anonymous class derived from OnClickListener ' must either be declared...
Edit question this login java code allows to proceed to next activity even if no data is enetered. add a constraint which displays a message to fill all fields. package com.example.Divahalls; import androidx.appcompat.app.AppCompatActivity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; public class LoginActivity extends AppCompatActivity { Button btnMoveToDashboard; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_login); btnMoveToDashboard=findViewById(R.id.buttonMoveToDashboard); btnMoveToDashboard.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent=new Intent(LoginActivity.this,CustomerActivity.class); startActivity(intent); } }); } }
this java code allows to proceed to next activity even if no data is enetered. add a constraint which displays a message to fill all fields. import androidx.appcompat.app.AppCompatActivity; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; public class SignupActivity extends AppCompatActivity { EditText editTextName,editTextEmail,editTextPhone,editTextPswd,editTextCPswd,editTextAge,editTextFatherName; Button btnMoveToLogin; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_signup); editTextName=findViewById(R.id.editTextName); editTextFatherName=findViewById(R.id.editTextFatherName); editTextAge=findViewById(R.id.editTextAge); editTextPhone=findViewById(R.id.editTextPhoneNumber); editTextPswd=findViewById(R.id.editTextPswd); editTextCPswd=findViewById(R.id.editTextCPswd); editTextEmail=findViewById(R.id.editTextEmail); btnMoveToLogin=findViewById(R.id.buttonMoveToLogIn); btnMoveToLogin.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Log.i("Name",editTextEmail.getText().toString()); if(editTextEmail.getText().toString()=="" &&...
this customer java code allows to proceed to next activity even if no data is enetered. add a constraint which displays a message to fill all fields. import androidx.appcompat.app.AppCompatActivity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.Spinner; import android.widget.SpinnerAdapter; import java.util.ArrayList; import java.util.List; public class CustomerActivity extends AppCompatActivity { EditText editTextName, editTextEmail,editTextPhone, editTextMenu; Button btnBook; Spinner s; String packageName; SpinnerAdapter spinnerAdapter; List<String> packages=new ArrayList<>(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_customer);...
I should show tables with info after clicking on the buttons in
Android Studio. I still can not get what I should write inside
OnClick function and how to use containers for printing tables.
Please help me!
import androidx.appcompat.app.AppCompatActivity;
import android.content.Context;
import android.os.Bundle;
import android.text.Layout;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import java.util.ArrayList;
public class MainActivity extends AppCompatActivity {
LinearLayout container;
ListView ListView1;
ListView ListView2;
ListView ListView3;
@Override
protected void onCreate(Bundle savedInstanceState)...
Getting prob in following code.Can anybody suggest how to write if/else if I want to show hint as username/Paswword required if null and password or username did not match if entered wrong and go to next activity if its right.?? public class MainActivity extends AppCompatActivity { EditText userName, pwd; DatabaseHelper helper = new DatabaseHelper(this); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } public void onClickOk(View v) { if (v.getId() == R.id.LogIn) { final EditText User = (EditText) findViewById(R.id.userName); String...
how to solve this issue with line of code on android
studio java bluetooth connection.
Android Manifestxml | MainAcIM Java A L LIVILY_Malli. private static final int REQUEST ENABLE BT = 0; private static final int REQUEST DISCOVER BT = 1 TextView mStatusBlueTv, PairedTv; ImageView mBlueIv; Button monBtn, moffBtn, nDiscoverBtn, mPaired 1 BluetoothAdapter mBlueAdapter; -- EA @Override protected void onoreate (Bundle savedInstanceState super.oncreate (savedInstanceState) -- main= Cannot resolve method 'onCreate(android.os.Bundle) mStatusblue'lv = mStatusBluelv.rindViewById(R. m PairedTy = Pairedtv. findViewById(R.id.p mBluelv =...
If anyone here is a Java and Android Studio expert please I really need help fulfilling the requirements needed to make a Rock Paper Scissors game. I mainly need Java code to complete it I will post what I have so far I don't have much time left please if anyone can help me I would really appreciate it. Here's what the app is supposed to do... The player should be able to select either Rock, Paper, or Scissors.The app...
Exercise 11-4 Create a Reminder app In this exercise, you’ll add a service to a Reminder app that displays a notification every hour that says, “Look into the distance. It’s good for your eyes.” Test the app 1. Start Android Studio and open the project named ch11_ex4_Reminder. 2. Review the code. Note that it contains a layout and a class for an activity, but no class for a service. 1. Run the app. Note that it displays a message that...
need help to build a fingerprint app that we have sslserversocket to tell a file use finger print before open the file what have been done below Here is my mainactivity.java and fingerprintHandler.java below <?xml version="1.0" encoding="utf-8"?> <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity"> <TextView android:id="@+id/heading" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginStart="8dp" android:layout_marginTop="8dp" android:layout_marginEnd="8dp" android:layout_marginBottom="8dp" android:padding="20dp" android:text="Fingerprint Authentication" android:textAlignment="center" android:textColor="@android:color/black" android:textSize="18sp" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" app:layout_constraintVertical_bias="0.0" /> <TextView android:id="@+id/paraMessage" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginStart="8dp" android:layout_marginTop="8dp" android:layout_marginEnd="8dp" android:layout_marginBottom="8dp" android:text="Place your finger on the fingerprint scanner to...
Need help to edit the code below. Am using it play a lottery game in Android Studio what i need help with is if play one game u need to clear it up before u could another game. Here is my activity_main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="simpleapps.my.lotteryapplication.MainActivity" android:orientation="vertical" android:layout_margin="10dp" android:weightSum="100"> <TextView android:layout_width="match_parent" android:layout_height="0dp" android:text="Enter White Balls : " android:textColor="#000000" android:textSize="22sp" android:layout_weight="15" /> <LinearLayout android:layout_width="match_parent" android:layout_height="0dp" android:orientation="horizontal" android:weightSum="100" android:layout_margin="10dp" android:layout_weight="15"> <EditText android:id="@+id/wBall1" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="20" android:inputType="number"/>...