Tugas UAS Android: Login

July 21, 2017

Tugas UAS Android: Login

NIM: 2014143275
Nama: Syauqi Akbar H.
Kelas: 06TPLMO16

Berikut ini program android untuk melakukan login.

Kode XML untuk Tampilan Utama

Kode Java untuk Tampilan Utama

package com.LoginAplikasi;

import com.unpam.lat_login.R;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;

public class MainUtama extends Activity implements OnClickListener{

private String[][] datauser = {{"ADMIN", "ADMIN", "Administrator"},
{"user1", "password1", "Nama User 1"},
{"user2", "password2", "Nama User 2"}};
private EditText user, pass;
private final int SUCCESS=1;

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

user = (EditText) findViewById(R.id.edUsername);
pass = (EditText) findViewById(R.id.edPass);

findViewById(R.id.btLogin).setOnClickListener(this);
findViewById(R.id.btExit).setOnClickListener(this);

}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main_utama, menu);
return true;
}

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.btLogin:
int i=0;
boolean success=false;

while ((i<datauser.length) && (!success)){
if ((user.getText().toString().equals(datauser[i][0])) &&
(pass.getText().toString().equals(datauser[i][1]))){
success=true;
} else {
i++;
}
}

Intent intent;

if(success){
intent = new Intent(this, Success.class);
intent.putExtra("namaUser", datauser[i][2]);
startActivityForResult(intent,SUCCESS);
} else {
intent = new Intent(this, Failed.class);
startActivity(intent);
}
startActivity(intent);
break;
case R.id.btExit:
System.exit(0);
}
}

public void onActivityResult(int RequestCode, int ResultCode, Intent data){
switch(RequestCode){
case SUCCESS:
user.setText("");
pass.setText("");
break;
}

}}

Tampilan Utama Login

Kode XML jika Login Gagal

Kode Java jika Login Gagal

package com.LoginAplikasi;

import com.unpam.lat_login.R;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;

public class Failed extends Activity implements OnClickListener {

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

findViewById(R.id.btLogoutFailed).setOnClickListener(this);

}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.failed, menu);
return true;
}

public void onClick(View v){
switch (v.getId()){
case R.id.btLogoutFailed:
finish();

}

}

}

Tampilan jika Login Sukses

Kode XML jika Login Berhasil

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:paddingBottom="@dimen/activity_vertical_margin"

android:paddingLeft="@dimen/activity_horizontal_margin"

android:paddingRight="@dimen/activity_horizontal_margin"

android:paddingTop="@dimen/activity_vertical_margin"

tools:context=".Success" >

<TextView

android:id="@+id/tvNamaUser"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentLeft="true"

android:layout_alignParentTop="true"

android:layout_marginTop="18dp"

android:text="@string/namauser" />

<TextView

android:id="@+id/textView1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_below="@+id/tvNamaUser"

android:layout_centerHorizontal="true"

android:layout_marginTop="14dp"

android:text="@string/success"

android:textAppearance="?android:attr/textAppearanceLarge" />

<Button

android:id="@+id/btLogoutSuccess"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_below="@+id/textView1"

android:layout_centerHorizontal="true"

android:text="@string/logout" />

</RelativeLayout>

Kode Java jika Login Berhasil

package com.LoginAplikasi;

import com.unpam.lat_login.R;

import android.os.Bundle;

import android.app.Activity;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.TextView;

public class Success extends Activity implements OnClickListener{

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_success);

TextView NamaUser = (TextView) findViewById(R.id.tvNamaUser);

NamaUser.setText(getIntent().getExtras().getString("namaUser"));

findViewById(R.id.btLogoutSuccess).setOnClickListener(this);

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.success, menu);

return true;

}

public void onClick(View v){

switch (v.getId()){

case R.id.btLogoutSuccess:

finish();

}

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