Login form

 

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.loginfrom">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="false"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".login_ok">
        </activity>
    </application>

</manifest>

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package com.example.loginfrom;

import androidx.annotation.NonNull;

public class index_user {
    private int index=0;
    private int indexnow=0;

    public void setIndex(int index) {
        this.index = index;
    }

    public int getIndex() {
        return index;
    }

    public void setIndexnow(int indexnow) {
        this.indexnow = indexnow;
    }

    public int getIndexnow() {
        return indexnow;
    }
}
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package com.example.loginfrom;

public interface interfacelogin {
    public useristrulogin[] userall=new useristrulogin[10];

public index_user index_user=new index_user();


    public useristrulogin[] getUser();
    public index_user getIndex_user();

}
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package com.example.loginfrom;

import android.os.Bundle;
import android.view.ActionMode;
import android.view.View;
import android.widget.TextView;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

public class login_ok extends AppCompatActivity implements interfacelogin{
    TextView textView;
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.layout);
        textView=(TextView)findViewById(R.id.textView);
        String xstring="userindex="+Integer.toString(getIndex_user().getIndexnow())+"\n";
        xstring+=("getUser="+getUser()[getIndex_user().getIndexnow()].getUser()+"\n");
        xstring+=("getPasswrd="+getUser()[getIndex_user().getIndexnow()].getPasswrd()+"\n");
        xstring+=("getCountlogin="+Integer.toString(getUser()[getIndex_user().getIndexnow()].getCountlogin())+"\n");
        xstring+=("getCountLogoff="+Integer.toString(getUser()[getIndex_user().getIndexnow()].getCountLogoff())+"\n");
        xstring+=("getIslogin="+Boolean.toString(getUser()[getIndex_user().getIndexnow()].getIslogin())+"\n");

        textView.setText(xstring);

    }
public void Logoff(View view){

        finish();
}

    @Override
    public void onActionModeFinished(ActionMode mode) {

        super.onActionModeFinished(mode);
    }

    @Override
    protected void onResume() {
        getUser()[getIndex_user().getIndexnow()].setCountLogoff(getUser()[getIndex_user().getIndexnow()].getCountLogoff()+1);
        super.onResume();
    }

    @Override
    public com.example.loginfrom.index_user getIndex_user() {
        return index_user;
    }

    @Override
    public useristrulogin[] getUser() {
        return userall;
    }
}
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package com.example.loginfrom;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity implements interfacelogin {
private String username[]={"admin","root","user"};
private String password[]={"admin","root","123"};
private EditText input_username;
private EditText input_userpasseword;
private Context context;
private Toast toast1,toast2,toast3,toast4;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        input_username=(EditText)findViewById(R.id.username);
        input_userpasseword=(EditText)findViewById(R.id.password);

        toast1=Toast.makeText(this,"اسم المستخدم وكلمه السر غير صحيح",Toast.LENGTH_SHORT);
        toast2=Toast.makeText(this,"الرجاء ادخال اسم المستخدم",Toast.LENGTH_SHORT);
        toast3=Toast.makeText(this,"الرجاء ادخال كلمه السر",Toast.LENGTH_SHORT);
        toast4=Toast.makeText(this,"مرحبا",Toast.LENGTH_SHORT);
        for(int i=0;i<getUser().length;i++){
            getUser()[i]=new useristrulogin();
        }

    }

    @Override
    public useristrulogin[] getUser() {
        return userall;
    }
    private void startlogin() {
        Intent intent = new Intent(this, login_ok.class);

        startActivity(intent);
    }

    @Override
    public com.example.loginfrom.index_user getIndex_user() {
        return index_user;
    }

    public void login(View view){
        Boolean istrulogin=false;
        if(input_username.getText().length()<1){
            toast2.show();
        }else {
            if(input_userpasseword.getText().length()<1){
                toast3.show();
            }else {
            for (int i = 0; i < username.length; i++) {

                if (username[i].equals(input_username.getText().toString()) & password[i].equals(input_userpasseword.getText().toString())) {
                    //login is tru;
                    istrulogin = true;
                    toast4.show();
                    boolean is_fonud_sesshion=false;
                    for(int ix=0;ix<getUser().length;ix++){
                        if(getUser()[ix].getUser().equals(username[i])){

                            getUser()[ix].setPasswrd(password[i]);
                            getUser()[ix].setUser(username[i]);
                            getUser()[ix].setCountlogin(getUser()[ix].getCountlogin()+1);
                            getUser()[ix].setIslogin(true);
                            is_fonud_sesshion=true;
                            getIndex_user().setIndex(ix+1);
                            getIndex_user().setIndexnow(ix);

                        }



                    }

                    if(!is_fonud_sesshion){
                        getUser()[getIndex_user().getIndex()].setPasswrd(password[i]);
                        getUser()[getIndex_user().getIndex()].setUser(username[i]);
                        getUser()[getIndex_user().getIndex()].setCountlogin(getUser()[getIndex_user().getIndex()].getCountlogin()+1);
                        getUser()[getIndex_user().getIndex()].setIslogin(true);
                        is_fonud_sesshion=true;
                        getIndex_user().setIndexnow(getIndex_user().getIndex());
                        getIndex_user().setIndex(getIndex_user().getIndex()+1);


                    }


                    startlogin();
                   //finish();


                }
            }
            if (!istrulogin) {


                toast1.show();
            }}

        }

    }



}
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package com.example.loginfrom;

public class useristrulogin {
    private String user="";
    private String passwrd="";
    private Boolean islogin=false;
    private int countlogin=0;
    private int countLogoff=0;

    public int getCountlogin() {
        return countlogin;
    }

    public int getCountLogoff() {
        return countLogoff;
    }

    public void setCountlogin(int countlogin) {
        this.countlogin = countlogin;
    }

    public void setCountLogoff(int countsingup) {
        this.countLogoff = countsingup;
    }

    public String getPasswrd() {
        return passwrd;
    }

    public Boolean getIslogin() {
        return islogin;
    }

    public void setIslogin(Boolean islogin) {
        this.islogin = islogin;
    }

    public void setPasswrd(String passwrd) {
        this.passwrd = passwrd;
    }

    public void setUser(String user) {
        this.user = user;
    }

    public String getUser() {
        return user;
    }

}
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<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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"
    android:background="@color/colorPrimary"
    tools:context=".MainActivity">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="315dp"
        android:layout_height="339dp"
        android:layout_margin="10dp"
        android:layout_marginLeft="20dp"
        android:layout_marginTop="16dp"
        android:layout_marginRight="20dp"
        android:background="@color/colorPrimaryDark"
        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">

        <Button
            android:id="@+id/button"
            android:layout_width="275dp"
            android:layout_height="51dp"
            android:onClick="login"
            android:text="Login"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.89" />

        <EditText
            android:id="@+id/username"
            android:layout_width="273dp"
            android:layout_height="50dp"
            android:ems="10"
            android:hint="user name"
            android:inputType="textEmailAddress"
            android:textAppearance="@style/TextAppearance.AppCompat.Body1"
            app:layout_constraintBottom_toBottomOf="@+id/button"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.495"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.443" />

        <EditText
            android:id="@+id/password"
            android:layout_width="273dp"
            android:layout_height="50dp"
            android:ems="10"
            android:hint="password"
            android:inputType="textPassword"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.495"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.606" />

        <ImageView
            android:id="@+id/imageView2"
            android:layout_width="162dp"
            android:layout_height="76dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.497"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.142"
            app:srcCompat="@drawable/account" />

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.constraintlayout.widget.ConstraintLayout>
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:orientation="vertical">

        <TextView
            android:id="@+id/textView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="TextView"
            android:textSize="18sp"
            android:textStyle="bold" />

        <Button
            android:id="@+id/button2"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:onClick="Logoff"
            android:text="Logoff" />
    </LinearLayout>

</LinearLayout>
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