处理ShareActionProvider onClick事件

Question

我如何获得ShareActionProvider菜单项的onClick事件？

我的应用程序在库中显示一些图像(带有imageView的片段),我需要获取onClick事件以从缓存加载当前图像,生成临时文件并共享它.

我的分享按钮:

<item android:id="@+id/menu_item_share"
    android:showAsAction="ifRoom"
    android:title="@string/menu_share"
    android:actionProviderClass="android.widget.ShareActionProvider" />

我试过了:

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case android.R.id.home:
        NavUtils.navigateUpFromSameTask(this);
        return true;
    case R.id.manage_keywords:
        startActivity(new Intent(this, KeywordActivity.class));
        return true;
    case R.id.menu_item_share:
        /*it should handle share option*/
        return true;
    }
    return super.onOptionsItemSelected(item);
}

和

    menuShare = menu.findItem(R.id.menu_item_share);
    menuShare.setOnActionExpandListener(new OnActionExpandListener() {

        @Override
        public boolean onMenuItemActionExpand(MenuItem item) {
            // TODO Auto-generated method stub
            return false;
        }

        @Override
        public boolean onMenuItemActionCollapse(MenuItem item) {
            // TODO Auto-generated method stub
            return false;
        }
    });

还有其他建议吗？谢谢!

Answer 1

每次用户单击ShareActionProvider时,将要共享的图像保存到SDCard,完整示例:

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    getSupportMenuInflater().inflate(R.menu.menu, menu);

    ShareActionProvider shareActionProvider = (ShareActionProvider) menu.findItem(R.id.shareactionprovider).getActionProvider();
    shareActionProvider.setShareIntent(getShareIntent());
    shareActionProvider.setOnShareTargetSelectedListener(new OnShareTargetSelectedListener() {
        @Override
        public boolean onShareTargetSelected(ShareActionProvider actionProvider, Intent intent) {
            saveImageToSD();
            return false;
        }
    });

    return true;
}




private Intent getShareIntent() {
    Intent shareIntent = new Intent(Intent.ACTION_SEND);

    File sdCard = Environment.getExternalStorageDirectory();

    File sharedFile = new File(sdCard+"/yourPath/yourImage.jpg");
    Uri uri = Uri.fromFile(sharedFile);

    shareIntent.setType("image/*");
    shareIntent.putExtra(Intent.EXTRA_STREAM, uri);
    return shareIntent;
}


private void saveImageToSD() {

    Bitmap bm = BitmapFactory.decodeResource( getResources(), R.drawable.yourimage);

    OutputStream outStream = null;
    try {
        outStream = new FileOutputStream(getTempFile());
        bm.compress(Bitmap.CompressFormat.PNG, 100, outStream);
        outStream.flush();
        outStream.close();
        bm.recycle();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

private File getTempFile() {

    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {

        File directory = new File(Environment.getExternalStorageDirectory() + "/yourPath/");
        directory.mkdirs();

        File file = new File(directory ,"yourImage.jpg");

        try  {
            file.createNewFile();
        }  catch (IOException e) {}

        return file;
    } else  {
        return null;
    }
} 

Answer 2

我还没有检查过，但我会尝试使用 OnMenuItemClickListener 事件