<分区>
我有一个应用程序，我需要拍照，然后将其上传到 firebase。我基本上需要所拍照片的 Uri 路径。
我读了Get file path of image on Android ，但我遇到 NullPointerException 问题。
我的问题和上面的问题之间的主要区别在于我是在一个 fragment 中做的。
这是我的代码:
mTakePhotoButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent cameraIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(cameraIntent, CAMERA_REQUEST);
}
});
我得到与 Uri imgUri 一致的 NullPointerException。
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == CAMERA_REQUEST && resultCode == Activity.RESULT_OK) {
Bitmap photo = (Bitmap) data.getExtras().get("data");
mImgView.setImageBitmap(photo);
Uri imgUri = getImageUri(getActivity().getApplicationContext(), photo);
mManager.setPhotoUri(imgUri);
}
}
这是我用来获取 Uri 的方法。
private Uri getImageUri(Context inContext, Bitmap inImage) {
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
inImage.compress(Bitmap.CompressFormat.JPEG, 100, bytes);
String path = MediaStore.Images.Media.insertImage(inContext.getContentResolver(), inImage, "Title", null);
return Uri.parse(path);
}
准确的错误信息是:
java.lang.RuntimeException: Failure delivering result ResultInfo{who=android:fragment:1, request=22222, result=-1, data=Intent { act=inline-data (has extras) }} to activity {.MainActivity}: java.lang.NullPointerException: uriString
如有任何帮助，我将不胜感激。
整个错误日志:
09-14 12:06:18.448 16497-16497/com.example.radzik.recipes E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.radzik.recipes, PID: 16497 java.lang.RuntimeException: Failure delivering result ResultInfo{who=android:fragment:1, request=22222, result=-1, data=Intent { act=inline-data (has extras) }} to activity {com.example.radzik.recipes/com.example.radzik.recipes.activity.MainActivity}: java.lang.NullPointerException: uriString at android.app.ActivityThread.deliverResults(ActivityThread.java:3699) at android.app.ActivityThread.handleSendResult(ActivityThread.java:3742) at android.app.ActivityThread.-wrap16(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1393) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:148) at android.app.ActivityThread.main(ActivityThread.java:5417) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) Caused by: java.lang.NullPointerException: uriString at android.net.Uri$StringUri.(Uri.java:475) at android.net.Uri$StringUri.(Uri.java) at android.net.Uri.parse(Uri.java:437) at com.example.radzik.recipes.fragment.ChoosePhotoFragment.getImageUri(ChoosePhotoFragment.java:144) at com.example.radzik.recipes.fragment.ChoosePhotoFragment.onActivityResult(ChoosePhotoFragment.java:135) at android.app.Activity.dispatchActivityResult(Activity.java:6452) at android.app.ActivityThread.deliverResults(ActivityThread.java:3695) at android.app.ActivityThread.handleSendResult(ActivityThread.java:3742) at android.app.ActivityThread.-wrap16(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1393) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:148) at android.app.ActivityThread.main(ActivityThread.java:5417) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)