//最重要的就是加上这两个 主要作用 把获取到的图片地址转为url格式然后再转bitmap格式 private void displayImage(String imagePath) { BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = false; // Bitmap bitmap = BitmapFactory.decodeFile(imagePath, options); Bitmap bitmap1= getBitmapFromUri(this, getImageContentUri(this,imagePath)); if (bitmap1 != null) { headFile = saveMyBitmap(bitmap1, "head"); upphoto(headFile); } else { Toast.makeText(this, "获取图片失败", Toast.LENGTH_SHORT).show(); } } // 通过uri加载图片 public static Bitmap getBitmapFromUri(Context context, Uri uri) { try { ParcelFileDescriptor parcelFileDescriptor = context.getContentResolver().openFileDescriptor(uri, "r"); FileDescriptor fileDescriptor = parcelFileDescriptor.getFileDescriptor(); Bitmap image = BitmapFactory.decodeFileDescriptor(fileDescriptor); parcelFileDescriptor.close(); return image; } catch (Exception e) { e.printStackTrace(); } return null; } public static Uri getImageContentUri(Context context, String path) { Cursor cursor = context.getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, new String[] { MediaStore.Images.Media._ID }, MediaStore.Images.Media.DATA + "=? ", new String[] { path }, null); if (cursor != null && cursor.moveToFirst()) { int id = cursor.getInt(cursor.getColumnIndex(MediaStore.MediaColumns._ID)); Uri baseUri = Uri.parse("content://media/external/images/media"); return Uri.withAppendedPath(baseUri, "" + id); } else { // 如果图片不在手机的共享图片数据库,就先把它插入。 if (new File(path).exists()) { ContentValues values = new ContentValues(); values.put(MediaStore.Images.Media.DATA, path); return context.getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values); } else { return null; } } }