android 实现分享功能两种方法_android 系统分享类型

package com.example.share;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;


public class MainActivity extends Activity {
    @Override
public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

/* 创建菜单 */
public boolean onCreateOptionsMenu(Menu menu) {
        menu.add(0, 0, 0, "分享");
return true;
    }

public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case 0:
// intent.setType("text/plain"); //纯文本
/*
             * 图片分享 it.setType("image/png"); 　//添加图片 File f = new
             * File(Environment.getExternalStorageDirectory()+"/name.png");
             * 
             * Uri uri = Uri.fromFile(f); intent.putExtra(Intent.EXTRA_STREAM,
             * uri); 　
*/
             Intent intent=new Intent(Intent.ACTION_SEND);  
             intent.setType("image/*");  
             intent.putExtra(Intent.EXTRA_SUBJECT, "Share");  
             intent.putExtra(Intent.EXTRA_TEXT, "I have successfully share my message through my app");  
             intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);  
             startActivity(Intent.createChooser(intent, getTitle()));  
return true;
        }
return false;
    }
}