Third job

package com.example.homework2;

/**
 * @author 赵奇
 */

import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends ActionBarActivity {

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

    // button click event 
    public  void the Click (View veiw) {
         // set the original account and password 
        String ID = "123456" ; 
        String PassWord = "abc123" ;
         // get two the EditText 
        the EditText the txt1 = (the EditText) the findViewById (R.id.et1); 
        the EditText txt2 = (the EditText) the findViewById (R.id.et2);
         // Get button to 
        the button but1 = (the button) the findViewById (R.id.bt1) ;
         // get the EditText text string and converted to type 
        string S1 =  txt1.getText () toString ().;
        string S2 =txt2.getText () toString ();.
         IF (ID.equals (s1) && PassWord.equals (s2)) {
             // landing successfully with toast Tip: successful landing 
            . Toast.makeText (MainActivity the this , "login success" 0 ) the .Show (); 
        } the else {
             // login fails with TextView Tip: login failed
             @ give TextView 
            TextView TV1 = (TextView) the findViewById (R.id.tv3);
             // write TextView the "login failed" 
            tv1.setText ( "login failed" );
             // tv1.setText ( "");
             // the try {
             // Thread.sleep(1000);
            // tv1.setVisibility(View.GONE);
            // // tv1.setText("");
            // } catch (InterruptedException e) {
            // e.printStackTrace();
            // }
        }

    }
}

<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="com.example.homework2.MainActivity" >
    
    <TextView
        android:id="@+id/tv1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="90dp"
        android:text="账号"
        android:textSize="30sp" 
        android:background="#FFFFFF"
        />

    <EditText
        android:id="@+id/et1"
        android:layout_width="200sp"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@+id/tv1"
        android:layout_alignParentRight="true"
        android:layout_alignTop="@+id/tv1"
        android:layout_toRightOf="@+id/tv1"
        android:phoneNumber="true"
        android:background="#FFFFFF"
        android:textSize="20sp" >
    </EditText>
    
    <TextView
        android:id="@+id/tv2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="140sp"
        android:text="密码"
        android:textSize="30sp" 
        android:background="#FFFFFF"
        />
    
    <EditText
        android:id="@+id/et2"
        android:layout_width="200sp"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@+id/tv2"
        android:layout_alignParentRight="true"
        android:layout_alignTop="@+id/tv2"
        android:layout_toRightOf="@+id/tv2"
        android:password="true"
        android:background="#FFFFFF"
        android:textSize="20sp" >
    </EditText>

    <Button
        android:id="@+id/bt1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/tv2"
        android:layout_centerVertical="true"
        android:text="登录" 
        android:textSize="30sp"
        android:background="#63B8FF"
        android:onClick="click"
        />

     <TextView
         android:id="@+id/tv3"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_below="@+id/bt1"
         android:layout_centerHorizontal="true"
         android:layout_marginTop="98dp"
         android:textSize="30sp" />

     <ImageView
         
         android:layout_width="45sp"
         android:layout_height="45sp"
         android:layout_above="@+id/et1"
         android:layout_centerHorizontal="true"
         android:src="@drawable/tp"
         android:layout_marginBottom="18dp" />
    
</RelativeLayout>