Android编程实现自定义分享列表ACTION_SEND功能的方法

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>

 

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>

  
  

public List getShareApps(Context context) {
    List mApps = new ArrayList();
    Intent intent = new Intent(Intent.ACTION_SEND, null);
    intent.addCategory(Intent.CATEGORY_DEFAULT);
    intent.setType("text/plain");
//   intent.setType("*/*");
    PackageManager pManager = context.getPackageManager();
    mApps = pManager.queryIntentActivities(intent,
        PackageManager.COMPONENT_ENABLED_STATE_DEFAULT);
    return mApps;
}

private List getShareAppList() {
    List shareAppInfos = new ArrayList();
    PackageManager packageManager = getPackageManager();
    List resolveInfos = getShareApps(mContext);
    if (null == resolveInfos) {
      return null;
    } else {
      for (ResolveInfo resolveInfo : resolveInfos) {
        AppInfo appInfo = new AppInfo();
        appInfo.setAppPkgName(resolveInfo.activityInfo.packageName);
//       showLog_I(TAG, "pkg>" + resolveInfo.activityInfo.packageName + ";name>" + resolveInfo.activityInfo.name);
        appInfo.setAppLauncherClassName(resolveInfo.activityInfo.name);
        appInfo.setAppName(resolveInfo.loadLabel(packageManager).toString());
        appInfo.setAppIcon(resolveInfo.loadIcon(packageManager));
        shareAppInfos.add(appInfo);
      }
    }
    return shareAppInfos;
}

private void initSharePopupWindow(View parent) {
    PopupWindow sharePopupWindow = null;
    View view = null;
    ListView shareList = null;
    if(null == sharePopupWindow) {
      //加载布局文件
      view = LayoutInflater.from(DetailExchangeActivity.this).inflate(R.layout.popup_share, null);
      shareList = (ListView) view.findViewById(R.id.share_list);
      List shareAppInfos = getShareAppList();
      final ShareCustomAdapter adapter = new ShareCustomAdapter(mContext, shareAppInfos);
      shareList.setAdapter(adapter);
      shareList.setOnItemClickListener(new OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<&＃63;> parent, View view,
            int position, long id) {
          // TODO Auto-generated method stub
          Intent shareIntent = new Intent(Intent.ACTION_SEND);
          AppInfo appInfo = (AppInfo) adapter.getItem(position);
          shareIntent.setComponent(new ComponentName(appInfo.getAppPkgName(), appInfo.getAppLauncherClassName()));
          shareIntent.setType("text/plain");
//         shareIntent.setType("*/*");
          //这里就是组织内容了，
          shareIntent.putExtra(Intent.EXTRA_TEXT, "测试，这里发送推广地址");
          shareIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
          DetailExchangeActivity.this.startActivity(shareIntent);
        }
      });
      sharePopupWindow = new PopupWindow(view,
          (int)(160 * density), LinearLayout.LayoutParams.WRAP_CONTENT);
    }
    //使其聚焦
    sharePopupWindow.setFocusable(true);
    //设置允许在外点击消失
    sharePopupWindow.setOutsideTouchable(true);
    // 这个是为了点击“返回Back”也能使其消失，并且并不会影响你的背景
    sharePopupWindow.setBackgroundDrawable(new BitmapDrawable());
    //xoff,yoff基于anchor的左下角进行偏移。正数表示下方右边，负数表示（上方左边）
    //showAsDropDown(parent, xPos, yPos);
    sharePopupWindow.showAsDropDown(parent, -5, 5);
}