Gambaran Aplikasi yang terdapat di lembar jawaban
ScreenShot Aplikasi
Form Login
Form Register
Isi Form Register
List Model Sepatu Adidas
Deskripsi Sepatu dan Harganya
Deskripsi
Aplikasi Mobile Programing yang saya buat untuk menampilkan sepatu sepatu Adidas, yang terkoneksi dengan database untuk menambahkan data sepatu yang baru kedalam Aplikasi
Source Code
MainActivity.java
package com.example.uas_mobile_programing;
import android.content.Intent;
import android.os.Bundle;
import android.text.Html;
import android.text.Spanned;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import androidx.appcompat.app.AppCompatActivity;
import com.google.android.material.snackbar.Snackbar;
import com.google.android.material.textfield.TextInputLayout;
import com.example.uas_mobile_programing.R;
public class MainActivity extends AppCompatActivity {
//Declaration EditTexts
EditText editTextEmail;
EditText editTextPassword;
//Declaration TextInputLayout
TextInputLayout textInputLayoutEmail;
TextInputLayout textInputLayoutPassword;
//Declaration Button
Button buttonLogin;
//Declaration SqliteHelper
SqliteHelper sqliteHelper;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
sqliteHelper = new SqliteHelper(this);
initCreateAccountTextView();
initViews();
//set click event of login button
buttonLogin.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//Check user input is correct or not
if (validate()) {
//Get values from EditText fields
String Email = editTextEmail.getText().toString();
String Password = editTextPassword.getText().toString();
//Authenticate user
User currentUser = sqliteHelper.Authenticate(new User(null, null, Email, Password));
//Check Authentication is successful or not
if (currentUser != null) {
Snackbar.make(buttonLogin, "Successfully Logged in!", Snackbar.LENGTH_LONG).show();
//User Logged in Successfully Launch You home screen activity
/* Intent intent=new Intent(LoginActivity.this,HomeScreenActivity.class);
startActivity(intent);
finish();*/
} else {
//User Logged in Failed
Snackbar.make(buttonLogin, "Failed to log in , please try again", Snackbar.LENGTH_LONG).show();
}
}
}
});
}
//this method used to set Create account TextView text and click event( maltipal colors
// for TextView yet not supported in Xml so i have done it programmatically)
private void initCreateAccountTextView() {
TextView textViewCreateAccount = (TextView) findViewById(R.id.textViewCreateAccount);
textViewCreateAccount.setText(fromHtml("<font color='#ffffff'>I don't have account yet. </font><font color='#0c0099'>create one</font>"));
textViewCreateAccount.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(MainActivity.this, RegisterActivity.class);
startActivity(intent);
}
});
}
//this method is used to connect XML views to its Objects
private void initViews() {
editTextEmail = (EditText) findViewById(R.id.editTextEmail);
editTextPassword = (EditText) findViewById(R.id.editTextPassword);
textInputLayoutEmail = (TextInputLayout) findViewById(R.id.textInputLayoutEmail);
textInputLayoutPassword = (TextInputLayout) findViewById(R.id.textInputLayoutPassword);
buttonLogin = (Button) findViewById(R.id.buttonLogin);
}
//This method is for handling fromHtml method deprecation
@SuppressWarnings("deprecation")
public static Spanned fromHtml(String html) {
Spanned result;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
result = Html.fromHtml(html, Html.FROM_HTML_MODE_LEGACY);
} else {
result = Html.fromHtml(html);
}
return result;
}
//This method is used to validate input given by user
public boolean validate() {
boolean valid = false;
//Get values from EditText fields
String Email = editTextEmail.getText().toString();
String Password = editTextPassword.getText().toString();
//Handling validation for Email field
if (!android.util.Patterns.EMAIL_ADDRESS.matcher(Email).matches()) {
valid = false;
textInputLayoutEmail.setError("Please enter valid email!");
} else {
valid = true;
textInputLayoutEmail.setError(null);
}
//Handling validation for Password field
if (Password.isEmpty()) {
valid = false;
textInputLayoutPassword.setError("Please enter valid password!");
} else {
if (Password.length() > 5) {
valid = true;
textInputLayoutPassword.setError(null);
} else {
valid = false;
textInputLayoutPassword.setError("Password is to short!");
}
}
return valid;
}
}
RegisterActivity.java
package com.example.uas_mobile_programing;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import com.google.android.material.snackbar.Snackbar;
import com.google.android.material.textfield.TextInputLayout;
import com.example.uas_mobile_programing.R;
/**
* Created by amardeep on 10/26/2017.
*/
public class RegisterActivity extends AppCompatActivity {
//Declaration EditTexts
EditText editTextUserName;
EditText editTextEmail;
EditText editTextPassword;
//Declaration TextInputLayout
TextInputLayout textInputLayoutUserName;
TextInputLayout textInputLayoutEmail;
TextInputLayout textInputLayoutPassword;
//Declaration Button
Button buttonRegister;
//Declaration com.example.uas_mobile_programing.SqliteHelper
SqliteHelper sqliteHelper;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
sqliteHelper = new SqliteHelper(this);
initTextViewLogin();
initViews();
buttonRegister.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (validate()) {
String UserName = editTextUserName.getText().toString();
String Email = editTextEmail.getText().toString();
String Password = editTextPassword.getText().toString();
//Check in the database is there any user associated with this email
if (!sqliteHelper.isEmailExists(Email)) {
//Email does not exist now add new user to database
sqliteHelper.addUser(new User(null, UserName, Email, Password));
Snackbar.make(buttonRegister, "com.example.uas_mobile_programing.User created successfully! Please Login ", Snackbar.LENGTH_LONG).show();
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
finish();
}
}, Snackbar.LENGTH_LONG);
}else {
//Email exists with email input provided so show error user already exist
Snackbar.make(buttonRegister, "com.example.uas_mobile_programing.User already exists with same email ", Snackbar.LENGTH_LONG).show();
}
}
}
});
}
//this method used to set Login TextView click event
private void initTextViewLogin() {
TextView textViewLogin = (TextView) findViewById(R.id.textViewLogin);
textViewLogin.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
finish();
}
});
}
//this method is used to connect XML views to its Objects
private void initViews() {
editTextEmail = (EditText) findViewById(R.id.editTextEmail);
editTextPassword = (EditText) findViewById(R.id.editTextPassword);
editTextUserName = (EditText) findViewById(R.id.editTextUserName);
textInputLayoutEmail = (TextInputLayout) findViewById(R.id.textInputLayoutEmail);
textInputLayoutPassword = (TextInputLayout) findViewById(R.id.textInputLayoutPassword);
textInputLayoutUserName = (TextInputLayout) findViewById(R.id.textInputLayoutUserName);
buttonRegister = (Button) findViewById(R.id.buttonRegister);
}
//This method is used to validate input given by user
public boolean validate() {
boolean valid = false;
//Get values from EditText fields
String UserName = editTextUserName.getText().toString();
String Email = editTextEmail.getText().toString();
String Password = editTextPassword.getText().toString();
//Handling validation for UserName field
if (UserName.isEmpty()) {
valid = false;
textInputLayoutUserName.setError("Please enter valid username!");
} else {
if (UserName.length() > 5) {
valid = true;
textInputLayoutUserName.setError(null);
} else {
valid = false;
textInputLayoutUserName.setError("Username is to short!");
}
}
//Handling validation for Email field
if (!android.util.Patterns.EMAIL_ADDRESS.matcher(Email).matches()) {
valid = false;
textInputLayoutEmail.setError("Please enter valid email!");
} else {
valid = true;
textInputLayoutEmail.setError(null);
}
//Handling validation for Password field
if (Password.isEmpty()) {
valid = false;
textInputLayoutPassword.setError("Please enter valid password!");
} else {
if (Password.length() > 5) {
valid = true;
textInputLayoutPassword.setError(null);
} else {
valid = false;
textInputLayoutPassword.setError("Password is to short!");
}
}
return valid;
}
}
activity_main.xml
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/colorPrimary"
android:fitsSystemWindows="true">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_marginLeft="16dp"
android:layout_marginRight="16dp"
android:orientation="vertical">
<ImageView
android:id="@+id/imageView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_margin="16dp"
/>
<android.support.design.widget.TextInputLayout
android:id="@+id/textInputLayoutEmail"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
app:errorEnabled="true">
<android.support.design.widget.TextInputEditText
android:id="@+id/editTextEmail"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/email"
android:inputType="textEmailAddress" />
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/textInputLayoutPassword"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
app:errorEnabled="true"
app:passwordToggleEnabled="true"
app:passwordToggleTint="@color/colorAccent">
<android.support.design.widget.TextInputEditText
android:id="@+id/editTextPassword"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/password"
android:inputType="textPassword" />
</android.support.design.widget.TextInputLayout>
<Button
android:id="@+id/buttonLogin"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_marginTop="16dp"
android:background="@color/colorAccent"
android:text="@string/login"
android:textColor="@android:color/white" />
<TextView
android:id="@+id/textViewCreateAccount"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="16dp"
android:layout_marginTop="16dp"
android:gravity="center_horizontal" />
</LinearLayout>
</ScrollView>
activity_register.xml
<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/colorPrimary"
android:fitsSystemWindows="true">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_marginLeft="16dp"
android:layout_marginRight="16dp"
android:orientation="vertical">
<ImageView
android:id="@+id/imageView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_margin="16dp"
android:src="@drawable/adidas" />
<android.support.design.widget.TextInputLayout
app:errorEnabled="true"
android:id="@+id/textInputLayoutUserName"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="16dp">
<android.support.design.widget.TextInputEditText
android:id="@+id/editTextUserName"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/username"
android:inputType="textPersonName" />
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/textInputLayoutEmail"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
app:errorEnabled="true">
<android.support.design.widget.TextInputEditText
android:id="@+id/editTextEmail"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/email"
android:inputType="textEmailAddress" />
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/textInputLayoutPassword"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
app:errorEnabled="true"
app:passwordToggleEnabled="true"
app:passwordToggleTint="@color/colorAccent">
<android.support.design.widget.TextInputEditText
android:id="@+id/editTextPassword"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/password"
android:inputType="textPassword" />
</android.support.design.widget.TextInputLayout>
<Button
android:id="@+id/buttonRegister"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textColor="@android:color/white"
android:layout_gravity="center_horizontal"
android:layout_marginTop="16dp"
android:layout_weight="1"
android:background="@color/colorAccent"
android:text="@string/register" />
<TextView
android:id="@+id/textViewLogin"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_marginTop="16dp"
android:gravity="center"
android:text="@string/back_to_login"
android:textColor="@android:color/white" />
</LinearLayout>
</ScrollView>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.uas_mobile_programing">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity
android:name=".MainActivity"
android:label="@string/app_name"
android:theme="@style/AppTheme.NoActionBar">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".RegisterActivity"
android:label="@string/app_name"
android:theme="@style/AppTheme.NoActionBar" />
</application>
</manifest>
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