android下Intent传递实例 附完整源码

【实例简介】Intent传递实例
【实例截图】

【核心代码】

main.xml

<?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">
	<Button android:layout_width="fill_parent" android:id="@ id/button1"
		android:layout_height="wrap_content" android:text="第一个页面上的按钮" />
	<Button android:id="@ id/button2" android:layout_width="wrap_content"
		android:layout_height="wrap_content" android:text="可以回跳的按钮" />
	<TextView android:id="@ id/text1" android:layout_width="wrap_content"
		android:layout_height="wrap_content" android:text="等待回传值" />
	<Button android:layout_width="fill_parent" android:id="@ id/button3"
		android:layout_height="wrap_content" android:text="隐性Intent按钮" />
</LinearLayout>

second.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
	android:layout_width="wrap_content" android:layout_height="wrap_content"
	android:orientation="vertical">
	<Button android:layout_width="wrap_content" android:id="@ id/twobutton1"
		android:layout_height="wrap_content" android:text="第二个页面上的按钮" />
</LinearLayout>

third.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
	android:layout_width="wrap_content" android:layout_height="wrap_content">
	<Button android:layout_width="wrap_content"
		android:layout_height="wrap_content" android:id="@ id/thirdbutton"
		android:text="隐性界面按钮" />
		<TextView
		android:layout_width="wrap_content"
		android:layout_height="wrap_content" android:id="@ id/thirdtext"		
		/>
</LinearLayout>

MainActivity.java

package com.test;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;

public class MainActivity extends Activity implements OnClickListener {

	android.widget.Button button1;
	android.widget.Button button2;
	android.widget.Button button3;
	android.widget.TextView text;

	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		button1 = (android.widget.Button) this.findViewById(R.id.button1);
		button1.setOnClickListener(this);
		button2 = (android.widget.Button) this.findViewById(R.id.button2);
		button2.setOnClickListener(this);
		button3 = (android.widget.Button) this.findViewById(R.id.button3);
		button3.setOnClickListener(this);
	}

	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.button1:
			android.content.Intent intent = new android.content.Intent();
			intent.putExtra("name", "admin");
			intent.putExtra("age", 20);
			intent.setClass(this, SecondActivity.class);
			this.startActivity(intent);
			break;
		case R.id.button2:
			Intent intent2 = new Intent();
			intent2.setClass(this, SecondActivity.class);
			System.out.println("11111111");
			this.startActivityForResult(intent2, 300);
			System.out.println("2222222222");
			break;
		case R.id.button3:
			Intent intent3 = new Intent();
			intent3.setAction("com.stu.kpp");
			intent3.setData(Uri.parse("test://xinlong:1234"));		
			intent3.setClass(this, ThirdActivity.class);
			this.startActivity(intent3);
			break;
		}

	}

	public void onActivityResult(int requestCode, int resultCode, Intent data) {
		text = (TextView) this.findViewById(R.id.text1);
		
		text.setText(data.getStringExtra("content"));
	}
}

SecondActivity.java

package com.test;

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;

public class SecondActivity extends Activity implements OnClickListener {
	Button button2;

	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.second);		
		button2 = (Button) this.findViewById(R.id.twobutton1);		
		button2.setOnClickListener(this);
	}
	public void onClick(View v) {
		Intent intent = new Intent();
		intent.putExtra("content", "我是第二个页面传来的");
		this.setResult(200, intent);
		this.finish();
	}
}

ThirdActivity.java

package com.test;

import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;

public class ThirdActivity extends Activity {
	TextView text  ;
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.third);		
		text  =(TextView) this.findViewById(R.id.thirdtext);
		//text.setText(this.getIntent().getScheme() "" this.getIntent().getData());
	}
}