写了一个拍照识别的APP,在android 10下正常运行,现换了android 15的手机,拍照或相册选取后均发生错误退出,无法进入裁剪界面。
1.查找资料,写入权限需在公有目录,修改裁剪后的文件。
Uri cropUri = FileProvider.getUriForFile(this, getPackageName() + ".provider", new File(CONST.downPath + "/tfImg.jpg"));
File cropF = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),"tfImg.jpg");
2.完整裁剪功能模块
private void crop(Uri uri) {
try {
Intent intent = new Intent("com.android.camera.action.CROP");
Uri cropUri = FileProvider.getUriForFile(this, getPackageName() + ".provider", new File(CONST.downPath + "/tfImg.jpg"));
File cropF = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),"tfImg.jpg");
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(cropF));
intent.setDataAndType(uri, "image/*");
intent.putExtra("crop", "true");
intent.putExtra("aspectX", 1);// 裁剪框的比例,1:1
intent.putExtra("aspectY", 1);
intent.putExtra("outputX", 1280);// 裁剪后输出图片的尺寸大小
intent.putExtra("outputY", 1280);
intent.putExtra("outputFormat", Bitmap.CompressFormat.JPEG.toString());// 图片格式
intent.putExtra("noFaceDetection", true);// 取消人脸识别
intent.putExtra("return-data", true);//是否返回裁剪后图片的Bitmap
intent.putExtra("output", Uri.fromFile(cropF));
//重要!!!添加权限,不然裁剪完后报 “保存时发生错误,保存失败”
List<ResolveInfo> resInfoList = getPackageManager().queryIntentActivities(intent,
PackageManager.MATCH_DEFAULT_ONLY);
for (ResolveInfo resolveInfo : resInfoList) {
String packageName = resolveInfo.activityInfo.packageName;
grantUriPermission(packageName, cropUri, Intent.FLAG_GRANT_WRITE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION);
}
ComponentName componentName = intent.resolveActivity(getPackageManager());
if (componentName != null) { // 开启一个带有返回值的Activity,请求码为PHOTO_REQUEST_CUT
startActivityForResult(intent, 3);
}
} catch (Exception e) {
e.printStackTrace();
}
}