<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.homework7.MainActivity" >
<ImageView
android:id="@+id/iv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="20dp"
android:src="@drawable/qq" />
<LinearLayout
android:id="@+id/linearLayout1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="130dp"
android:orientation="horizontal" >
<TextView
android:id="@+id/tv1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="账号:"
android:textSize="25sp" />
<EditText
android:id="@+id/et1"
android:layout_width="match_parent"
android:layout_height="40dp"/>
</LinearLayout>
<LinearLayout
android:id="@+id/linearLayout2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="190dp"
android:orientation="horizontal" >
<TextView
android:id="@+id/tv2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="密码:"
android:textSize="25sp" />
<EditText
android:id="@+id/et2"
android:layout_width="match_parent"
android:layout_height="40dp"/>
</LinearLayout>
<Button
android:id="@+id/button"
android:layout_width="200dp"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="56dp"
android:onClick="onclick"
android:text="登录" />
</RelativeLayout>
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<LinearLayout
android:id="@+id/linearLayout1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginTop="105dp"
android:orientation="horizontal" >
<TextView
android:id="@+id/tv1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="显示账号:"
android:textSize="20sp" />
<TextView
android:id="@+id/tv2"
android:layout_width="match_parent"
android:layout_height="40dp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/linearLayout1"
android:layout_marginTop="14dp"
android:orientation="horizontal" >
<TextView
android:id="@+id/tv3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="显示密码:"
android:textSize="20sp" />
<TextView
android:id="@+id/tv4"
android:layout_width="match_parent"
android:layout_height="40dp" />
</LinearLayout>
</RelativeLayout>
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.homework7"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="21" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity android:name=".MainActivity2"></activity>
<activity
android:name=".MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
package com.example.zuoyeqi;
import android.support.v7.app.ActionBarActivity;
import android.content.Intent;
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.Toast;
public class MainActivity extends ActionBarActivity {
private EditText et1;
private EditText et2;
private Button bt;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
bt=(Button)findViewById(R.id.button);
et1=(EditText)findViewById(R.id.et1);
et2=(EditText)findViewById(R.id.et2);
}
public void onclick(View v) {
String ID="123456";
String PassWord="abc123";
String s1=et1.getText().toString();
String s2=et2.getText().toString();
if (ID.equals(s1)&&PassWord.equals(s2)) {
Toast.makeText(MainActivity.this, "登录成功", 1).show();
Intent intent=new Intent(MainActivity.this,MainActivity2.class);
intent.putExtra("zh",s1);
intent.putExtra("mm",s2);
startActivity(intent);
}
else {
Toast.makeText(MainActivity.this, "登录失败", 1).show();
}
}
}
package com.example.zuoyeqi;
import android.support.v7.app.ActionBarActivity;
import android.content.Intent;
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 MainActivity2 extends ActionBarActivity {
private TextView tv1;
private TextView tv2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.second_main);
tv1 = (TextView) findViewById(R.id.tv2);
tv2=(TextView) findViewById(R.id.tv4);
Intent intent=getIntent();
String ID=intent.getStringExtra("zh");
String PassWord=intent.getStringExtra("mm");
tv1.setText(ID);
tv2.setText(PassWord);
}
}