简体   繁体   English

startActivityForResult在Fragment中不起作用

[英]startActivityForResult is not working in Fragment

I am currently working with with Fragment. 我目前正与Fragment合作。 I want to pick Image from gallery & display it onTo fragment class. 我想从图库中选择图像并将其显示在片段类上。 But here startActivityForResult() is not working in Fragment. 但是这里的startActivityForResult()在Fragment中不起作用。

My fragment class 我的片段类

Button loadimage=(Button) view.findViewById(R.id.loadButton);
    loadimage.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub
            Intent i = new Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
             startActivityForResult(i, RESULT_LOAD_IMAGE);
        }
    });
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);

    if (requestCode == RESULT_LOAD_IMAGE && resultCode == RESULT_OK && null != data) {
        Uri selectedImage = data.getData();
        String[] filePathColumn = { MediaStore.Images.Media.DATA };

        Cursor cursor = getActivity().getContentResolver().query(selectedImage,
                filePathColumn, null, null, null);
        cursor.moveToFirst();

        int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
        String picturePath = cursor.getString(columnIndex);
        cursor.close();
        imgview.setImageBitmap(BitmapFactory.decodeFile(picturePath));

    }

    }

In Activity class: 在Activity类中:

@Override
public void onActivityResult(int requestCode, int resultCode, Intent data){
    super.onActivityResult(requestCode,resultCode,data);
}

In Fragment : 在片段中:

@Override
public void onActivityResult(int requestCode, int resultCode, Intent data){
    //  Handle activity result here  
}

start activity for result from fragment: 从片段开始的结果活动:

Intent intent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(intent, 1); 

Override onActivityResult in your parent Fragment Activity 覆盖父片段活动中的onActivityResult

@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
     super.onActivityResult(requestCode, resultCode, data);
}

声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.

 
粤ICP备18138465号  © 2020-2024 STACKOOM.COM