How to create a loginpage

Creating the login page for the sqlite database when you are entering the login the page you should type the username and password ,so then we should check your Authentication. here we the following example will helpful to creating  login page.



write the following code in your main class:


package com.loginpage;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity implements OnClickListener {
Button b;
TextView tv1,tv2;
EditText ed1,ed2;
String name,passlock;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
     
        b=(Button)findViewById(R.id.button1);
        ed1=(EditText)findViewById(R.id.editText1);
        ed2=(EditText)findViewById(R.id.editText2);
        tv1=(TextView)findViewById(R.id.textView1);
        tv2=(TextView)findViewById(R.id.textView2);
        b.setOnClickListener(this);
    }
public void onClick(View v) {
// TODO Auto-generated method stub

name=ed1.getText().toString();
passlock=ed2.getText().toString();
Toast.makeText(this, "name ::"+name+"pass:"+passlock, Toast.LENGTH_LONG).show();
/* tv1.setText(passlock);
tv2.setText(name);*/

tv1.append(name);
tv2.append(passlock);
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// TODO Auto-generated method stub

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

// adding items

menu.add(1, 1, 1, "call").setIcon(R.drawable.ic_launcher);
menu.add(1, 2, 2, "Message");

return super.onCreateOptionsMenu(menu);
}

}

in your main.xml:

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="#ccddee" android:orientation="vertical" > <EditText android:id="@+id/editText1" android:layout_width="match_parent" android:layout_height="wrap_content" android:hint="@string/usr" > <requestFocus /> </EditText> <EditText android:id="@+id/editText2" android:layout_width="match_parent" android:hint="@string/pas" android:layout_height="wrap_content" android:inputType="textPassword" /> <Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/but" /> <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/usernameeee" android:textAppearance="?android:attr/textAppearanceLarge" /> <TextView android:id="@+id/textView2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/password" android:textAppearance="?android:attr/textAppearanceLarge" /> </LinearLayout>

output :