LoginCounters in Android

 

The Xml code for Creating LoginCounters In Android

<LinearLayout 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:background="#003333"

    android:orientation="vertical"

    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=".MainActivity" >

    <EditText

        android:id="@+id/editText"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:focusable="true"

        android:hint="Enter Name"

        android:textColorHighlight="#ff7eff15"

        android:textColorHint="#ffff25e6" />

    <EditText

        android:id="@+id/editText2"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:ems="10"

        android:hint="Password"

        android:inputType="textPassword"

        android:textColorHint="#ffff299f" />

    <TextView

        android:id="@+id/textView3"

        android:layout_width="260dp"

        android:layout_height="wrap_content"

        android:text="New Text"

        android:textColor="#FFFFFF"

        android:textSize="25dp" />

    <TextView

        android:id="@+id/textView2"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Attempts Left:"

        android:textColor="#FFFFFF"

        android:textSize="25dp" />

    <Button

        android:id="@+id/button"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:layout_marginTop="24dp"

        android:text="login" />

    <Button

        android:id="@+id/button2"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="Cancel" />

</LinearLayout>

The code below is for MainActivity.Java

package example.logincounters;

import android.app.Activity;

import android.graphics.Color;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends Activity  {

   Button b1,b2;

   EditText ed1,ed2;

   TextView tx1;

   int counter = 3;

   @Override

   protected void onCreate(Bundle savedInstanceState) {

      super.onCreate(savedInstanceState);

      setContentView(R.layout.activity_main);

      b1=(Button)findViewById(R.id.button);

      ed1=(EditText)findViewById(R.id.editText);

      ed2=(EditText)findViewById(R.id.editText2);

      b2=(Button)findViewById(R.id.button2);

      tx1=(TextView)findViewById(R.id.textView3);

      tx1.setVisibility(View.GONE);

      b1.setOnClickListener(new View.OnClickListener() {

         @Override

         public void onClick(View v) {

            if(ed1.getText().toString().equals("admin") &&

            ed2.getText().toString().equals("admin")) {

               Toast.makeText(getApplicationContext(),"Redirecting...",Toast.LENGTH_SHORT).show();

            }

            else{

               Toast.makeText(getApplicationContext(),"Wrong Credentials",Toast.LENGTH_SHORT).show();

               tx1.setVisibility(View.VISIBLE);

               tx1.setBackgroundColor(Color.RED);

               counter--;

               tx1.setText(Integer.toString(counter));

               if (counter == 0) {

                  b1.setEnabled(false);

               }

            }

         }

      });

      b2.setOnClickListener(new View.OnClickListener() {

        @Override

         public void onClick(View v) {

            finish();

         }

      });

   }

   @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, menu);

      return true;

   }

   @Override

   public boolean onOptionsItemSelected(MenuItem item) {

      // Handle action bar item clicks here. The action bar will

      // automatically handle clicks on the Home/Up button, so long

      // as you specify a parent activity in AndroidManifest.xml.

      int id = item.getItemId();

      //noinspection SimplifiableIfStatement

      if (id == R.id.action_settings) {

         return true;

      }

      return super.onOptionsItemSelected(item);

   }

}

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