Android Button按钮两个页面切换
页面1.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="用户名"
/>
<EditText
android:id="@+id/txtUserName"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:maxLength = "20"
/>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="密码"
/>
<EditText
android:id="@+id/txtPass"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:maxLength = "20"
android:password = "true"
/>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<Button
android:id="@+id/btnSend"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="登陆"
android:gravity = "center"
android:width = "80px"
/>
<Button
android:id="@+id/btnReset"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="注册"
android:gravity = "center"
android:width = "80px"
/>
</LinearLayout>
</LinearLayout>
页面2
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TextView android:layout_width="fill_parent"
android:layout_height="wrap_content" android:text="注册用户名" />
<EditText android:id="@+id/ReUserName" android:layout_width="fill_parent"
android:layout_height="wrap_content" android:maxLength="20" />
<TextView android:layout_width="fill_parent"
android:layout_height="wrap_content" android:text="密码" />
<EditText android:id="@+id/RePass" android:layout_width="fill_parent"
android:layout_height="wrap_content" android:maxLength="20"
android:password="true" />
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<Button android:id="@+id/btnReSend" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="注册" android:width = "80px"/>
<Button android:id="@+id/btnReReset" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="取消" android:width = "80px"/>
</LinearLayout>
</LinearLayout>
页面1代码
package com.studio.android;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
public class DemoTest extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
/*监听登陆 */
Login();
/*监听注册*/
Register();
}
public void Login()
{
Button btnsend = (Button)this.findViewById(R.id.btnSend);
final EditText username = (EditText)this.findViewById(R.id.txtUserName);
final EditText pass = (EditText)this.findViewById(R.id.txtPass);
btnsend.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
String un = username.getText().toString().trim();
String ps = pass.getText().toString().trim();
if(!"".equals(un) && !"".equals(ps))
{
Intent intent = new Intent(DemoTest.this,indexmain.class);
intent.putExtra("UserName","您好"+un);
startActivityForResult(intent,1);
}else
{
onCreateDialog();
}
}
});
}
protected Dialog onCreateDialog () {
return new AlertDialog.Builder(DemoTest.this)
.setIcon(android.R.drawable.ic_dialog_info)
.setTitle("错误信息")
.setMessage("用户名密码错误!")
.setPositiveButton("确定",new OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
// 单击确定按钮做的事情。
}
})
.create();
}
public void Register()
{
Button btnrest =(Button)this.findViewById(R.id.btnReset);
btnrest.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
Intent intent = new Intent(DemoTest.this,register.class);
intent.putExtra("store", "from activityMain");
startActivityForResult(intent, 1);
}
});
}
}
页面2 代码
package com.studio.android;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class register extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.register);
Button btnr =(Button)this.findViewById(R.id.btnReReset);
btnr.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
finish();
}
});
Button btnrest =(Button)this.findViewById(R.id.btnReReset);
btnrest.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
Intent intent = new Intent(register.this,DemoTest.class);
intent.putExtra("store", "from activityMain");
startActivityForResult(intent, 1);
}
});
}
}