作业7 | 易学教程

<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.z7.MainActivity" >


        <requestFocus />

        <TextView
            android:id="@+id/textView1"
            android:layout_width="300dp"
            android:layout_height="50dp"
            android:layout_alignParentLeft="true"
            android:layout_alignParentTop="true"
            android:layout_marginLeft="3dp"
            android:layout_marginTop="112dp"
            android:background="#bbffff"
            android:textSize="27sp"
            android:text="账号:" />

        <TextView
            android:id="@+id/textView2"
            android:layout_width="300dp"
            android:layout_height="50dp"
            android:layout_alignLeft="@+id/textView1"
            android:layout_centerVertical="true"
            android:textSize="27sp"
            android:background="#bbffff"
            android:text="密码:" />

        <EditText
            android:id="@+id/editText1"
            android:layout_width="200dp"
            android:layout_height="50dp"
            android:layout_alignBaseline="@+id/textView1"
            android:layout_marginLeft="70dp"
            android:layout_marginTop="112dp"
            android:hint="账号"
            android:ems="10" />

        <EditText
            android:id="@+id/editText2"
            android:layout_width="200dp"
            android:layout_height="50dp"
            android:layout_marginLeft="70dp"
            android:layout_marginTop="112dp"
            android:layout_centerVertical="true"
            android:ems="10"
            android:hint="密码"
            android:inputType="textPassword" />

        <Button
            android:id="@+id/button1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:layout_centerHorizontal="true"
            android:layout_marginBottom="77dp"
                          android:background="#6699ff"
           android:gravity="center"
        android:onClick="CCC"
            android:text="登录" />

        <ImageView
            android:id="@+id/imageView1"
            android:layout_width="70dp"
            android:layout_height="70dp"
            android:layout_alignLeft="@+id/button1"
            android:layout_alignParentTop="true"
            android:layout_marginLeft="4dp"
            android:layout_marginTop="20dp"
            android:src="@drawable/huhu" />

</RelativeLayout>

<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.z7.MainActivity3" >

    <LinearLayout
        android:id="@+id/linearLayout1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="35dp"
        android:orientation="horizontal" >
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="15dp"
        android:orientation="horizontal" >
    </LinearLayout>

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignRight="@+id/textView1"
        android:layout_below="@+id/linearLayout1"
        android:layout_marginTop="26dp"
        android:text="登陆成功"
        android:textColor="#1FBFFA"
        android:textSize="40sp" />

    <TextView
        android:id="@+id/tv1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@+id/tv2"
        android:layout_alignParentLeft="true"
        android:layout_marginBottom="120dp"
        android:textSize="35dp" />

    <TextView
        android:id="@+id/tv2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/tv1"
        android:layout_alignParentBottom="true"
        android:layout_marginBottom="100dp"
        android:textSize="35dp" />

</RelativeLayout>

package com.example.z7;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;

import java.util.Scanner;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Intent;
import android.os.Bundle;
import android.text.Editable;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {


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

    }
    
    public void CCC(View view) {                
        switch(view.getId()){
        case R.id.button1:    
           
            EditText editText1= (EditText)findViewById(R.id.editText1);
            String editText11=editText1.getText().toString();
            EditText editText2= (EditText)findViewById(R.id.editText2);
            String editText22=editText2.getText().toString();
            String s1="123456";
            String s2="abc123";
            if(editText11.equals("123456")&&editText22.equals("abc123")) {            
            Toast.makeText(MainActivity.this, "登录成功", 0).show(); 
            Intent intent=new Intent();
            intent.setClass(this,MainActivity3.class);
            intent.putExtra("textView1",editText1.getText().toString());        
            intent.putExtra("textView2",editText2.getText().toString());
            startActivity(intent);     }
            else {
                Toast.makeText(MainActivity.this, "登录失败", 0).show();            
        }
    }
    }
    private Object getText(String string) {
        // TODO Auto-generated method stub
        return null;
    }

    private static boolean editText1(String str1) {
        // TODO Auto-generated method stub
        return false;
    }
    @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;
    }
    }

package com.example.z7;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;

public class MainActivity3 extends Activity {    


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main_activity3);
        TextView tv1 = (TextView) findViewById(R.id.tv1);
        TextView tv2 = (TextView) findViewById(R.id.tv2);        
        Intent intent =getIntent();
        String text =intent.getStringExtra("textView1");
        tv1.setText("QQ号为"+text+"");
        String text2 = intent.getStringExtra("textView2");
        tv2.setText("QQ密码为"+text2+"");
    }

}

来源：https://www.cnblogs.com/zouyonghan/p/11674695.html

标签

android

activity