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Java onActivityResult从未被调用_Java_Android_Android Intent_Onactivityresult - Fatal编程技术网

Java onActivityResult从未被调用

Java onActivityResult从未被调用,java,android,android-intent,onactivityresult,Java,Android,Android Intent,Onactivityresult,我想从画廊里挑一幅画。我有一个隐含的意图和一个积极的结果,但它从来没有被称为。 我一直在寻找以下可能的解决方案: setResult(RESULT_LOAD_IMG, galleryIntent); 以下是我在AddQuestionActivity中的代码: private static int RESULT_LOAD_IMG = 1; String imgDecodableString; public static Intent galleryIntent; ima

我想从画廊里挑一幅画。我有一个隐含的意图和一个积极的结果,但它从来没有被称为。 我一直在寻找以下可能的解决方案:

setResult(RESULT_LOAD_IMG, galleryIntent);
以下是我在AddQuestionActivity中的代码:

    private static int RESULT_LOAD_IMG = 1;
    String imgDecodableString;
    public static Intent galleryIntent;

imageView.setOnClickListener(new View.OnClickListener() {
            public void onClick(View arg0) {
                // Create intent to Open Image applications like Gallery, Google Photos
                galleryIntent = new Intent(Intent.ACTION_PICK,
                        android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);

                startActivityForResult(galleryIntent, RESULT_LOAD_IMG);
            }
        });
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        try {
            // When an Image is picked
            if (requestCode == RESULT_LOAD_IMG && resultCode == RESULT_OK
                    && null != data) {
                // Get the Image from data

                Uri selectedImage = data.getData();
                String[] filePathColumn = {MediaStore.Images.Media.DATA};

                // Get the cursor
                Cursor cursor = getContentResolver().query(selectedImage,
                        filePathColumn, null, null, null);
                // Move to first row
                cursor.moveToFirst();

                int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
                imgDecodableString = cursor.getString(columnIndex);
                cursor.close();
                // Set the Image in ImageView after decoding the String
                imageView.setImageBitmap(BitmapFactory
                        .decodeFile(imgDecodableString));

            } else {
                Toast.makeText(this, "You haven't picked Image",
                        Toast.LENGTH_LONG).show();
            }
        } catch (Exception e) {
            Toast.makeText(this, "Something went wrong", Toast.LENGTH_LONG)
                    .show();
        }
    }

谢谢您的建议。

如果有,请在ActivityResult上查看您的基本活动

结果\u负载\u IMG=1


如果在ActivityResult上的基本活动中设置了1,则AddQuestionActivityOnActivityResult可能无法继续

请检查您的基本活动onactivityResult(如果有)

结果\u负载\u IMG=1

如果在ActivityResult上的基本活动中设置了1,则AddQuestionActivityOnActivityResult将无法继续

更新代码:

imageView.setOnClickListener(new View.OnClickListener() {
            public void onClick(View arg0) {
                // Create intent to Open Image applications like Gallery, Google Photos
                Intent galleryIntent = new Intent(Intent.ACTION_PICK,
                        android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);

                startActivityForResult(galleryIntent, RESULT_LOAD_IMG);
            }
        });
    }
更新您的代码:

imageView.setOnClickListener(new View.OnClickListener() {
            public void onClick(View arg0) {
                // Create intent to Open Image applications like Gallery, Google Photos
                Intent galleryIntent = new Intent(Intent.ACTION_PICK,
                        android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);

                startActivityForResult(galleryIntent, RESULT_LOAD_IMG);
            }
        });
    }

My baseActivity没有onActivityResult,但感谢您的建议。My baseActivity没有onActivityResult,但感谢您的建议。Toast不是调试应用程序的最佳方法。使用日志并将其放入success中。很可能setImageBitmap没有更改图像视图位图,这会让您相信onActivityResult没有被调用。调试应用程序的最佳方法并不是使用setImageBitmap。使用日志并将其放入success中。setImageBitmap可能没有更改图像视图位图,这会让您相信onActivityResult没有被调用