//onActivityResult                Uri uri=data.getData();//                通过URI得到图片在系统的路径//                String[] proj = {MediaStore.Images.Media.DATA};////好像是android多媒体数据库的封装接口，具体的看Android文档//                Cursor cursor = managedQuery(uri, proj, null, null, null); ////按我个人理解 这个是获得用户选择的图片的索引值//                int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);////将光标移至开头 ，这个很重要，不小心很容易引起越界//                cursor.moveToFirst();////最后根据索引值获取图片路径//                String path = cursor.getString(column_index);

                Bitmap pic = null;                pic = getBitmap(data.getData());                insertIntoEditText(getBitmapMime(pic, uri));

      /**       * 通过路径获取系统图片       * @param uri       * @return*/private Bitmap getBitmap(Uri uri) {       Bitmap pic = null;       BitmapFactory.Options op = new BitmapFactory.Options();       op.inJustDecodeBounds = true;       Display display = getWindowManager().getDefaultDisplay();int dw = display.getWidth();int dh = display.getHeight();try {        pic = BitmapFactory.decodeStream(getContentResolver()          .openInputStream(uri), null, op);       } catch (FileNotFoundException e) {        e.printStackTrace();       }int wRatio = (int) Math.ceil(op.outWidth / (float) dw);int hRatio = (int) Math.ceil(op.outHeight / (float) dh);if (wRatio > 1 && hRatio > 1) {        op.inSampleSize = wRatio + hRatio;       }       op.inJustDecodeBounds = false;try {        pic = BitmapFactory.decodeStream(getContentResolver()          .openInputStream(uri), null, op);       } catch (FileNotFoundException e) {        e.printStackTrace();       }return pic;      }/**       * 图片转成SpannableString加到EditText中       *        * @param pic       * @param uri       * @return*/private SpannableString getBitmapMime(Bitmap pic, Uri uri) {//       int imgWidth = pic.getWidth();//       int imgHeight = pic.getHeight();//       float scalew = (float) 40 / imgWidth;//       float scaleh = (float) 40 / imgHeight;//       Matrix mx = new Matrix();//       mx.setScale(scalew, scaleh);//       pic = Bitmap.createBitmap(pic, 0, 0, imgWidth, imgHeight, mx, true);       String smile = uri.getPath();       SpannableString ss = new SpannableString(smile);       ImageSpan span = new ImageSpan(this, pic);       ss.setSpan(span, 0, smile.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);return ss;      }

/**       * 这里是重点*/private void insertIntoEditText(SpannableString ss) {       Editable et = editText_Content.getText();// 先获取Edittext中的内容       int start = editText_Content.getSelectionStart();       et.insert(start, ss);// 设置ss要添加的位置       editText_Content.setText(et);// 把et添加到Edittext中         editText_Content.setSelection(start + ss.length());// 设置Edittext中光标在最后面显示      }}