Android 分享功能

 

網路圖片

https://stickershop.line-scdn.net/stickershop/v1/sticker/438329029/android/sticker.png

Intent intent = new Intent(Intent.ACTION_SEND);

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

intent.setType("text/plain"); // 純文字

} else {

File f = new File(imgPath);

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

intent.setType("image/jpg");

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);

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

private void openShare(String msgText){

//建立一個AsyncTask執行緒進行圖片讀取動作，並帶入圖片連結網址路徑

new AsyncTask<String, Void, Bitmap>()

{

@Override

protected Bitmap doInBackground(String... params)

{

String url = params[0];

return getBitmapFromURL(url);

}

@Override

protected void onPostExecute(Bitmap result)

{

saveBitmapFile(result);

super.onPostExecute(result);

String imageUrl = Environment.getExternalStorageDirectory().getAbsolutePath()+"/Android/data/" + getActivity().getPackageName() + "/tmp/share_image.jpg";

Intent intent=new Intent(Intent.ACTION_SEND);

intent.setType("image/*");

intent.putExtra(Intent.EXTRA_SUBJECT, "BBBB");

intent.putExtra(Intent.EXTRA_TEXT, "AAAAAAA"); // 分享文字

File f = new File(imageUrl);

Uri u = FileProvider.getUriForFile(getActivity(), getActivity().getPackageName() + ".provider", f);

intent.putExtra(Intent.EXTRA_STREAM, u);

getActivity().startActivity(Intent.createChooser(intent, "分享到")); // 更改分享列表標題

}

}.execute("https://stickershop.line-scdn.net/stickershop/v1/sticker/438329029/android/sticker.png");

}

//讀取網路圖片，型態為Bitmap

private static Bitmap getBitmapFromURL(String imageUrl) {

try {

URL url = new URL(imageUrl);

HttpURLConnection connection = (HttpURLConnection) url.openConnection();

connection.setDoInput(true);

connection.connect();

InputStream input = connection.getInputStream();

return BitmapFactory.decodeStream(input);

}

catch (IOException e) {

e.printStackTrace();

return null;

}

}

public String saveBitmapFile(Bitmap bitmap){

String dir = Environment.getExternalStorageDirectory().getAbsolutePath()+"/Android/data/" + getActivity().getPackageName() + "/tmp";

File fileDir = new File(dir);

if (!fileDir.exists()){

fileDir.mkdirs();

}

String path = dir + "/share_image.jpg";

File file=new File(path);//将要保存图片的路径

if (!file.exists()){

try {

file.createNewFile();

} catch (IOException e) {

e.printStackTrace();

}

}

try {

BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));

bitmap.compress(Bitmap.CompressFormat.JPEG, 100, bos);

bos.flush();

bos.close();

} catch (IOException e) {

e.printStackTrace();

}

return path;

}