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CS360 - Project3 - MainActivity

.java
School
Southern New Hampshire University**We aren't endorsed by this school
Course
CS 360
Subject
Information Systems
Date
Dec 19, 2024
Pages
2
Uploaded by KidDeerMaster117
package com.example.inventoryapp;import androidx.appcompat.app.AppCompatActivity;import android.os.Bundle;import androidx.appcompat.app.AppCompatActivity;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.EditText;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends AppCompatActivity {Button login_btn,signup_btn;EditText username,password;TextView forgot_password,user_state;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);username=(EditText)findViewById(R.id.username_input);password=(EditText)findViewById(R.id.password_input);login_btn =(Button) findViewById(R.id.login_btn);login_btn.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {if(validateInput(v)) {signIn(v);}}});signup_btn =(Button) findViewById(R.id.signup_btn);signup_btn.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {if(validateInput(v)) {register(v);}}});forgot_password =(TextView)findViewById(R.id.forgot_password_link);forgot_password.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {Toast.makeText(MainActivity.this, "This feature will be implementedsoon", Toast.LENGTH_SHORT).show();}});user_state =(TextView)findViewById(R.id.user_state);}/*** Authenticates the user with the database and redirects to the next activity
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if successful.* @param view The current UI view.*/public void signIn(View view){String username_in = username.getText().toString();String password_in =password.getText().toString();// Validate user credentials in the databaseMyDBHandler db =new MyDBHandler(this,null,null,1);User user = db.findUser(username_in,password_in);if(user !=null) {// Redirect to PromptActivity upon successful loginIntent intent = new Intent(MainActivity.this, PromptActivity.class);startActivity(intent);}else{user_state.setText("User Not found, Register to login");}// Clear input fieldsusername.setText("");password.setText("");}public void register(View view){String username_in = username.getText().toString();String password_in =password.getText().toString();MyDBHandler db =new MyDBHandler(this,null,null,1);User user = new User(username_in,password_in);db.addUser(user);if(db.addUser(user)) {user_state.setText("You are now registered to the database, Login to continue");}else{user_state.setText("Registration error, please try again.");}username.setText("");password.setText("");}public boolean validateInput(View v){if(username.getText().toString().isEmpty() ||password.getText().toString().isEmpty()){Toast.makeText(this, "Please Fill in All the fields", Toast.LENGTH_SHORT).show();return false;}return true;}}
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