android入门 上一步 下一步 保存数据 DEMO

DEMO 木有注视 吼吼 ~~~ 

package com.isoftstone.cry;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

public class StartActivityForResult_Next extends Activity
{
	private Button btn ;
	private EditText username,password ;
	@Override
	protected void onCreate(Bundle savedInstanceState) 
	{
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		setContentView(R.layout.a_intent_01);
		//get Instance
		btn = (Button)findViewById(R.id.ai_button1);
		username = (EditText)findViewById(R.id.ai_username_ed01);
		password = (EditText)findViewById(R.id.ai_psd_editText2);
		
		btn.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) 
			{
				// TODO Auto-generated method stub
				Bundle bundle = new Bundle();
				bundle.putString("username",username.getText().toString());
				bundle.putString("password",password.getText().toString());
				
				Intent intent = new Intent(StartActivityForResult_Next.this,
						StartActivityForResult_Next2.class);
				intent.putExtras(bundle);
				
				startActivityForResult(intent, 0);
			}
		});
	}
	
	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data)
	{
		// TODO Auto-generated method stub
		Bundle bundle = data.getExtras();
		String _username = bundle.getString("username");
		String _password = bundle.getString("password");
		
		username.setText(_username);
		password.setText(_password);
	}
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/ai_textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="username" />

    <EditText
        android:id="@+id/ai_username_ed01"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
    </EditText>

    <TextView
        android:id="@+id/ai_textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="password" />

    <EditText
        android:id="@+id/ai_psd_editText2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inputType="textPassword" />

    <Button
        android:id="@+id/ai_button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="下一步" />

</LinearLayout>

package com.isoftstone.cry;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class StartActivityForResult_Next2 extends Activity
{
	private Button btn ;
	@Override
	protected void onCreate(Bundle savedInstanceState) 
	{
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		setContentView(R.layout.a_intent_02);
		
		btn = (Button)findViewById(R.id.ai_button02);
		btn.setOnClickListener(new View.OnClickListener()
		{
			@Override
			public void onClick(View v) 
			{
				// TODO Auto-generated method stub
				Intent intent = getIntent();
				//设置返回结果
				StartActivityForResult_Next2.this.setResult(0,intent);
				//结束当前activity
				StartActivityForResult_Next2.this.finish();
			}
		});
	}
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Email" />

    <EditText
        android:id="@+id/ai_ditText01"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inputType="textEmailAddress" >
    </EditText>

    <TextView
        android:id="@+id/ai_textView02"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="mobile" />

    <EditText
        android:id="@+id/ai_editText02"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inputType="phone" />

    <Button
        android:id="@+id/ai_button02"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="上一步" />

</LinearLayout>