MainActivity的代码

package com.hpsvse.weiboshare;

import java.io.File;

import android.net.Uri;

import android.os.Bundle;

import android.app.Activity;

import android.content.Context;

import android.content.Intent;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

public class MainActivity extends Activity {

private Button btn1;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

initView();

}

private void initView() {

// TODO Auto-generated method stub

btn1=(Button) findViewById(R.id.button1);

btn1.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

shareMsg(MainActivity.this,null,null,null,null);

}

});

}

public static void shareMsg(Context context, String activityTitle, String msgTitle, String msgText,

String imgPath) {

Intent intent = new Intent(Intent.ACTION_SEND);

if (imgPath == null || imgPath.equals("")) {

intent.setType("text/plain"); // 纯文本

} else {

File f = new File(imgPath);

if (f != null && f.exists() && f.isFile()) {

intent.setType("image/png");

Uri u = Uri.fromFile(f);

intent.putExtra(Intent.EXTRA_STREAM, u);

}

}

intent.putExtra(Intent.EXTRA_SUBJECT, msgTitle);

intent.putExtra(Intent.EXTRA_TEXT, msgText);

intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

context.startActivity(Intent.createChooser(intent, activityTitle));

}

}

activity_main.xml 代码

<LinearLayout 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"

    tools:context=".MainActivity"

    android:orientation="vertical" >

    <Button

        android:id="@+id/button1"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="分享" />

</LinearLayout>

其它的文件都不变

值得注意的是。你分享的内容的多少取决你的手机有多少社交软件，