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\/**\n* \u53cd\u5c04\u83b7\u53d6getCallingUserId\n*\/<\/em>\nprivate<\/strong> int<\/strong> getCallingUserId<\/strong>(){\n Class UserHandleClass = UserHandle.class;\n int<\/strong> userId = 0;\n try<\/strong> {\n userId = (int<\/strong>)UserHandleClass.getMethod(\"getCallingUserId\").invoke(UserHandleClass);\n } catch<\/strong> (IllegalAccessException e) {\n e.printStackTrace();\n } catch<\/strong> (InvocationTargetException e) {\n e.printStackTrace();\n } catch<\/strong> (NoSuchMethodException e){\n e.printStackTrace();\n }\n return<\/strong> userId;\n }<\/code><\/pre>\n\n\n\n\/**\n* @param uri: \u9700\u8981\u526a\u88c1uri\uff0c\u5982\u56fe\u5e93\u7b49\u8fd4\u56de\u7684uri\n* \u62c9\u8d77\u7cfb\u7edf\u526a\u88c1\u9875\u9762\n*\/<\/em>\nprivate<\/strong> void<\/strong> cropImage<\/strong>(Uri uri) {\n if<\/strong>(uri == null<\/strong>) {\n return<\/strong>;\n }\n Intent intent = new<\/strong> Intent(\"com.android.camera.action.CROP\");\n intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);\n intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);\n intent.putExtra(\"scale\", true<\/strong>);\n intent.putExtra(\"aspectX\", XXX);\n intent.putExtra(\"aspectY\", XXX);\n intent.putExtra(\"outputX\", XXX);\n intent.putExtra(\"outputY\", XXX);\n intent.putExtra(\"outputFormat\", XXX);\n intent.putExtra(\"return-data\", XXX);\n File tmpFile = new<\/strong> File(getExternalFilesDir(null<\/strong>), System.currentTimeMillis()+\".jpg\");\n try<\/strong> {\n tmpFile.createNewFile();\n } catch<\/strong> (IOException e) {\n e.printStackTrace();\n }\n Uri mCutUri = FileProvider.getUriForFile(MainActivity.this<\/strong>,\n \"com.xxx.fileprovider\", tmpFile);\n \/\/\u751f\u6210\u5e26userId\u7684uri<\/em>\n Uri.Builder builder = mCutUri.buildUpon();\n Uri newUri = builder.encodedAuthority(\"\" + getCallingUserId() + \"@\" + mCutUri.getEncodedAuthority()).build();\n \n intent.putExtra(MediaStore.EXTRA_OUTPUT, newUri);\n \/\/\u8c03\u7528grantUriPermission\u7ed9newUri\u6388\u6743<\/em>\n grantUriPermission(\"packaName\", newUri, Intent.FLAG_GRANT_READ_URI_PERMISSION|Intent.FLAG_GRANT_WRITE_URI_PERMISSION);\n intent.setDataAndType(uri, \"image\/*\");\n startActivityForResult(intent, REQUEST_CROP);\n \n }<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"