Aplikasi Doa Harian (Login, Register, WebView) Sqlite

Deskripsi

Aplikasi Doa Harian "Kumpulan Doa Harian", dengan adanya aplikasi - aplikasi semacam ini membantu kita sebagai Hamba Allah yang selalu mengharapkan pertolongan Allah dalam setiap kondisi apapun. Dengan kata lain, melalui berdoa, kita benar - benar berharap pada Allah agar mengabulkan apapun hajat dan yang terbaik dari Allah SWT.

Design Activity

XML - TEXT

ini merupakan source code XML di dalam pemrogrammannya.

1.1 doa_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".DoaActivity">

<WebView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:id="@+id/webView" />

<ProgressBar
style="?android:attr/progressBarStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="110dp"
android:id="@+id/progressBar2" />

</RelativeLayout>

1.2 activity_login.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:id="@+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/bg_depan"
android:gravity="center_horizontal"
android:orientation="vertical"
tools:context="android.example.com.doaharian.LoginActivity">

<ImageView
android:layout_width="wrap_content"
android:layout_height="127dp"
android:layout_marginTop="50dp"
app:srcCompat="@drawable/logo" />

<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:foreground="@android:color/transparent"
android:gravity="center_horizontal"
android:orientation="vertical">

<EditText
android:id="@+id/edittext_username"
android:layout_width="190dp"
android:layout_height="40dp"
android:layout_marginTop="10dp"
android:background="#ffffff"
android:drawableLeft="@drawable/username"
android:hint="Username"
android:paddingLeft="2dp" />

<EditText
android:id="@+id/edittext_password"
android:layout_width="190dp"
android:layout_height="40dp"
android:layout_marginTop="20dp"
android:background="#ffffff"
android:drawableLeft="@drawable/password"
android:hint="Password"
android:inputType="textPassword" />

</LinearLayout>

<Button
android:id="@+id/button_login"
android:layout_width="190dp"
android:layout_height="40dp"
android:layout_marginTop="20dp"
android:background="#6D00EA"
android:text="LOGIN"
android:textColor="#ffffff" />

<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal">

<TextView
android:layout_width="wrap_content"
android:layout_height="35dp"
android:background="@android:color/holo_purple"
android:text=" Haven't Account? "
android:textColor="#FFFFFF" />

<TextView
android:id="@+id/textview_register"
android:layout_width="wrap_content"
android:layout_height="35dp"
android:background="@android:color/holo_purple"
android:paddingLeft="10dp"
android:text="REGISTER "
android:textColor="#FFFFFF"
android:textStyle="bold" />

</LinearLayout>

</LinearLayout>

1.3 activity_register.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"
android:background="@drawable/bg_depan"
android:orientation="vertical"
android:gravity="center_horizontal"
tools:context="android.example.com.doaharian.RegisterActivity">

<ImageView
android:layout_width="wrap_content"
android:layout_height="127dp"
android:layout_marginTop="50dp"
app:srcCompat="@drawable/logo"/>

<EditText
android:id="@+id/edittext_username"
android:layout_width="206dp"
android:layout_height="40dp"
android:layout_marginTop="10dp"
android:background="#ffffff"
android:drawableLeft="@drawable/username"
android:hint="Username"
android:paddingLeft="2dp" />

<EditText
android:id="@+id/edittext_password"
android:layout_width="206dp"
android:layout_height="40dp"
android:layout_marginTop="20dp"
android:background="#ffffff"
android:drawableLeft="@drawable/password"
android:hint="Password"
android:inputType="textPassword" />
android:hint="@string/password"/>

<EditText
android:id="@+id/edittext_cnf_password"
android:layout_width="206dp"
android:layout_height="40dp"
android:layout_marginTop="20dp"
android:background="#ffffff"
android:drawableLeft="@drawable/password"
android:hint="Confirm Password"
android:inputType="textPassword" />
android:hint="@string/confirm_password"/>

<Button
android:id="@+id/button_register"
android:layout_width="206dp"
android:layout_height="40dp"
android:layout_marginTop="20dp"
android:background="#6D00EA"
android:text="REGISTER"
android:textColor="#ffffff" />

<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_marginTop="10dp">

<TextView
android:layout_width="wrap_content"
android:layout_height="35dp"
android:background="@android:color/holo_purple"
android:text=" Have an Account? "
android:textColor="#FFFFFF" />

<TextView
android:id="@+id/textview_login"
android:layout_width="wrap_content"
android:layout_height="35dp"
android:background="@android:color/holo_purple"
android:paddingLeft="10dp"
android:text=" LOGIN "
android:textColor="@android:color/background_light"
android:textSize="16sp"
android:textStyle="bold" />

</LinearLayout>

</LinearLayout>

1.4 progress_bar.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/relativeLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#00060606">

<ProgressBar
android:id="@+id/progressBar1"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_centerInParent="true"
android:indeterminateDrawable="@drawable/logo" />

</RelativeLayout>

XML - Graphics

Ini merupakan tampilan dari source code XML.

doa_activity.xml

activity_login.xml

activity_register.xml

progress_bar.xml

Source Code (Java Class)

Beberapa source code Java Class didalam pemrogramman.

1.1 DoaActivity.java

package android.example.com.doaharian;

import android.graphics.Bitmap;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ProgressBar;

import androidx.appcompat.app.AppCompatActivity;

public class DoaActivity extends AppCompatActivity {
WebView webView;
ProgressBar bar;

@Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.doa_activity);
webView = (WebView) findViewById(R.id.webView);
bar=(ProgressBar) findViewById(R.id.progressBar2);
webView.setWebViewClient(new myWebclient());
webView.getSettings().setJavaScriptEnabled(true);
webView.loadUrl("https://mqrsy.blogspot.com/2020/01/kumpulan-doa-sehari-hari.html?m=1");

}

public class myWebclient extends WebViewClient{
@Override public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
bar.setVisibility(View.GONE);
}

@Override public void onPageStarted(WebView view, String url, Bitmap favicon) {
super.onPageStarted(view, url, favicon);
}

@Override public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return super.shouldOverrideUrlLoading(view, url);
}
}

@Override public boolean onKeyDown(int keyCode, KeyEvent event) {
if((keyCode==KeyEvent.KEYCODE_BACK) && webView.canGoBack()){
webView.goBack();
return true;
}

return super.onKeyDown(keyCode, event);
}
}

1.2 LoginActivity.java

package android.example.com.doaharian;

import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import androidx.appcompat.app.AppCompatActivity;

public class LoginActivity extends AppCompatActivity {
EditText mTextUsername;
EditText mTextPassword;
Button mButtonLogin;
TextView mTextViewRegister;
DatabaseHelper db;
ViewGroup progressView;
protected boolean isProgressShowing = false;

@Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);

db = new DatabaseHelper(this);
mTextUsername = (EditText)findViewById(R.id.edittext_username);
mTextPassword = (EditText)findViewById(R.id.edittext_password);
mButtonLogin = (Button)findViewById(R.id.button_login);
mTextViewRegister = (TextView)findViewById(R.id.textview_register);
mTextViewRegister.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View view) {
Intent registerIntent = new Intent(LoginActivity.this,RegisterActivity.class);
startActivity(registerIntent);
}
});

mButtonLogin.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View view) {
String user = mTextUsername.getText().toString().trim();
String pwd = mTextPassword.getText().toString().trim();
Boolean res = db.checkUser(user, pwd);
if(res == true)
{
Intent HomePage = new Intent(LoginActivity.this,DoaActivity.class);
startActivity(HomePage);

}
else {
Toast.makeText(LoginActivity.this,"Login Error",Toast.LENGTH_SHORT).show();
}
}
});
}

public void showProgressingView() {

if (!isProgressShowing) {
View view=findViewById(R.id.progressBar1);
view.bringToFront();
}
}

public void hideProgressingView() {
View v = this.findViewById(android.R.id.content).getRootView();
ViewGroup viewGroup = (ViewGroup) v;
viewGroup.removeView(progressView);
isProgressShowing = false;
}
}

1.3 RegisterActivity.java

package android.example.com.doaharian;

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;

import androidx.appcompat.app.AppCompatActivity;

public class RegisterActivity extends AppCompatActivity {
DatabaseHelper db;
EditText mTextUsername;
EditText mTextPassword;
EditText mTextCnfPassword;
Button mButtonRegister;
TextView mTextViewLogin;

@Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);

db = new DatabaseHelper(this);
mTextUsername = (EditText)findViewById(R.id.edittext_username);
mTextPassword = (EditText)findViewById(R.id.edittext_password);
mTextCnfPassword = (EditText)findViewById(R.id.edittext_cnf_password);
mButtonRegister = (Button)findViewById(R.id.button_register);
mTextViewLogin = (TextView)findViewById(R.id.textview_login);
mTextViewLogin.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View view) {
Intent LoginIntent = new Intent(RegisterActivity.this,LoginActivity.class);
startActivity(LoginIntent);
}
});

mButtonRegister.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View view) {
String user = mTextUsername.getText().toString().trim();
String pwd = mTextPassword.getText().toString().trim();
String cnf_pwd = mTextCnfPassword.getText().toString().trim();

if(pwd.equals(cnf_pwd)){
long val = db.addUser(user,pwd);
if(val > 0){
Toast.makeText(RegisterActivity.this,"You have registered",Toast.LENGTH_SHORT).show();
Intent moveToLogin = new Intent(RegisterActivity.this,LoginActivity.class);
startActivity(moveToLogin);
}
else{
Toast.makeText(RegisterActivity.this,"Registeration Error",Toast.LENGTH_SHORT).show();
}

}
else{
Toast.makeText(RegisterActivity.this,"Password is not matching",Toast.LENGTH_SHORT).show();
}
}
});
}
}

1.4 DatabaseHelper.java

package android.example.com.doaharian;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

public class DatabaseHelper extends SQLiteOpenHelper{
public static final String DATABASE_NAME ="register.db";
public static final String TABLE_NAME ="registeruser";
public static final String COL_1 ="ID";
public static final String COL_2 ="username";
public static final String COL_3 ="password";

public DatabaseHelper(Context context) {
super(context, DATABASE_NAME, null, 1);
}

@Override public void onCreate(SQLiteDatabase sqLiteDatabase) {
sqLiteDatabase.execSQL("CREATE TABLE registeruser (ID INTEGER PRIMARY KEY AUTOINCREMENT, username TEXT, password TEXT)");
}

@Override public void onUpgrade(SQLiteDatabase sqLiteDatabase, int i, int i1) {
sqLiteDatabase.execSQL(" DROP TABLE IF EXISTS " + TABLE_NAME);
onCreate(sqLiteDatabase);
}

public long addUser(String user, String password){
SQLiteDatabase db = this.getWritableDatabase();
ContentValues contentValues = new ContentValues();
contentValues.put("username",user);
contentValues.put("password",password);
long res = db.insert("registeruser",null,contentValues);
db.close();
return res;
}

public boolean checkUser(String username, String password){
String[] columns = { COL_1 };
SQLiteDatabase db = getReadableDatabase();
String selection = COL_2 + "=?" + " and " + COL_3 + "=?";
String[] selectionArgs = { username, password };
Cursor cursor = db.query(TABLE_NAME,columns,selection,selectionArgs,null,null,null);
int count = cursor.getCount();
cursor.close();
db.close();

if(count>0)
return true;
else return false;
}
}