activity_main.xml
<?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"
android:paddingTop="20dp"
android:orientation="vertical" >
<EditText
android:id="@+id/editText1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:hint="Username" >
</EditText>
<EditText
android:id="@+id/editText2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:hint="Password" />
<Button
android:id="@+id/button1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Loging" />
</LinearLayout>
MainActivity.java
package com.test;
import android.app.Activity;
import android.os.Bundle;
import android.text.Html;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class MainActivity extends Activity {
private EditText edit_username,edit_password;
private Button btn_login;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
edit_username=(EditText)findViewById(R.id.editText1);
edit_password=(EditText)findViewById(R.id.editText2);
btn_login=(Button)findViewById(R.id.button1);
btn_login.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if(Validation()){
Toast.makeText(getApplicationContext(), "login Success", Toast.LENGTH_LONG).show();
}
}
});
}
private boolean Validation(){
// Checking If Selected Values is Default
if (edit_username.getText().toString().equals("")) {
edit_username.setError(Html.fromHtml("<font color='red'>Enter the Username</font>"));
return false;
}
if (edit_password.getText().toString().equals("")) {
edit_password.setError(Html.fromHtml("<font color='red'>Enter the Password</font>"));
return false;
}
return true;
}
}
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