MainActivity如下:

package cn.testshare1;

import java.io.File;

import java.util.ArrayList;

import android.app.Activity;

import android.content.Intent;

import android.net.Uri;

import android.os.Bundle;

import android.os.Environment;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

/**

 * Demo描述:

 * Android应用程序之间共享文字和图片

 *

 * 参考资料:

 * http://www.vmeitime.com/post/2012-06-08/40027373105

 */

public class MainActivity extends Activity {

    private Button mTextButton;

    private Button mPictureButton;

    private Button mPicturesButton;

	@Override

	protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.main);

		init();

	}

    private void init(){

    	mTextButton=(Button) findViewById(R.id.shareTextButton);

    	mTextButton.setOnClickListener(new ClickListenerImpl());

    	mPictureButton=(Button) findViewById(R.id.sharePicButton);

    	mPictureButton.setOnClickListener(new ClickListenerImpl());

    	mPicturesButton=(Button) findViewById(R.id.sharePicsButton);

    	mPicturesButton.setOnClickListener(new ClickListenerImpl());

    }

	private class ClickListenerImpl implements OnClickListener {

		@Override

		public void onClick(View view) {

			switch (view.getId()) {

			case R.id.shareTextButton:

				shareText("这是要分享的内容");

				break;

			case R.id.sharePicButton:

				sharePicture();

				break;

			case R.id.sharePicsButton:

				sharePictures();

				break;

			default:

				break;

			}

		}

	}

	//共享文字

	private void shareText(String string) {

		Intent intent = new Intent(Intent.ACTION_SEND);

		intent.putExtra(Intent.EXTRA_TEXT, string);

		intent.setType("text/plain");

		Intent.createChooser(intent,"共享文字");

		startActivity(intent);

	}

	//共享一张图片

	private void sharePicture(){

		Intent intent = new Intent();

		intent.setAction(Intent.ACTION_SEND);

		File file = new File(Environment.getExternalStorageDirectory()+File.separator+"test1.png");

		intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(file));

		intent.setType("image/jpeg");

		Intent.createChooser(intent, "共享一张图片");

		startActivity(intent);

	}

	//共享多张图片

	private void sharePictures(){

		ArrayList<Uri> picturesUriArrayList=new ArrayList<Uri>();

		File pictureFile1=new File

		(Environment.getExternalStorageDirectory()+File.separator+"test1.png");

		File pictureFile2=new File

		(Environment.getExternalStorageDirectory()+File.separator+"test2.png");

		Uri pictureUri1=Uri.fromFile(pictureFile1);

		Uri pictureUri2=Uri.fromFile(pictureFile2);

		//不是很好的方式:

		//因为某些机型报错

		//Uri pictureUri1=Uri.parse("file:///mnt/sdcard/test1.png");

		//Uri pictureUri2=Uri.parse("file:///mnt/sdcard/test2.png");

		//错误的方式:

		//Uri pictureUri1=Uri.parse

		//(Environment.getExternalStorageDirectory()+File.separator+"test1.png");

		//Uri pictureUri2=Uri.parse

		//(Environment.getExternalStorageDirectory()+File.separator+"test2.png");

		picturesUriArrayList.add(pictureUri1);

		picturesUriArrayList.add(pictureUri2);

		Intent intent = new Intent();

		intent.setAction(Intent.ACTION_SEND_MULTIPLE);

	    intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, picturesUriArrayList);

		intent.setType("image/jpeg");

		Intent.createChooser(intent, "共享多张图片");

		startActivity(intent);

	}

}

main.xml如下:

<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"

    >

    <Button

        android:id="@+id/shareTextButton"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="50dip"

        android:text="共享文字"

     />

    <Button

        android:id="@+id/sharePicButton"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="150dip"

        android:text="共享一张图片"

     />

    <Button

        android:id="@+id/sharePicsButton"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="250dip"

        android:text="共享多张图片"

     />

</RelativeLayout>