Question

美好的一天！需要添加一个按钮来删除图像视图（图片）。我不知道怎么做。 Thx求助= 3

public void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (resultCode == RESULT_OK && requestCode == 1 && null != data) {
        decodeUri(data.getData());
    }
    if (requestCode == CAMERA_REQUEST && resultCode == Activity.RESULT_OK) {

        ImageView image = (ImageView)findViewById(R.id.photka);


        Bitmap photo = (Bitmap) data.getExtras().get("data");


        image.setImageBitmap(photo);

    }
}

http://i.imgur.com/Y9h9Bcp.png http://i.imgur.com/Y9h9Bcp.png

Answer 1

您可以使用以下任何选项删除ImageView

您可以像这样点击按钮时将ImageView的可见性设置为Gone

final ImageView image = (ImageView)findViewById(R.id.photka);

Button removeImageButton = (Button)findViewById(R.id.Button_id);
removeImageButton.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        image.setVisibility(View.GONE);
    }
});

您可以从其父视图中删除ImageView

final ViewGroup parent = (ViewGroup)findViewById(R.id.root_parent);

final ImageView image = (ImageView)findViewById(R.id.photka);

Button removeImageButton = (Button)findViewById(R.id.Button_id);
removeImageButton.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        parent.removeView(image);
    }
});

Answer 2

为我的活动添加代码

ImageView close =（ImageView）findViewById（R.id.close）; ImageView image =（ImageView）findViewById（R.id.photka）;

image.setImageBitmap（位图）; close.setVisibility（View.VISIBLE）;

Answer 3

最终ImageView image =（ImageView）findViewById（R.id.photka）; 最终ImageView close =（ImageView）findViewById（R.id.close）;

        Bitmap photo = (Bitmap) data.getExtras().get("data");


        image.setImageBitmap(photo); 
        image.setVisibility(View.VISIBLE);   
        close.setVisibility(View.VISIBLE); 
        close.setOnClickListener(new View.OnClickListener() {  
            @Override
            public void onClick(View v) {
                image.setVisibility(View.GONE);
                close.setVisibility(View.GONE);
                return;
            }
        });

需要使用Visibility.Gone

添加从堆栈中删除

按钮关闭在imageview从照相机或画廊

3 个答案: