Question

选择按布尔字段排序的方向是什么？写'ASC＆＃39;是否正确？按布尔字段排序？

public class Encrypt extends Activity {

private static final int SELECTED_PICTURE=1;
ImageView iv;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_encode);
    Button open = (Button) findViewById(R.id.button1);
    iv=(ImageView)findViewById(R.id.imageView1);
    final Button openGallery = (Button) findViewById(R.id.button1);

    openGallery.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent i=new Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
            startActivityForResult(i, SELECTED_PICTURE);

        }
    });



}

View.OnClickListener onClick1 = new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        TextView txt = (TextView) findViewById(R.id.textView);


        iv.buildDrawingCache();
        Bitmap bitmap = iv.getDrawingCache();



        int pixel_old = 0;
        int pixel_new = 0;
        int count = 0;


        LinkedList<String> colors_list = new LinkedList<>();


        //txt.setText( " h: " + color);

        for (int i=iv.getMinimumHeight(); i< iv.getMaxHeight();i++){
            for(int j=iv.getMinimumWidth(); j<iv.getMaxWidth();j++){
                pixel_new= bitmap.getPixel(i,j);
                if(pixel_new != pixel_old){
                    colors_list.add(String.format("%06X",0xFFFFFF & pixel_new));
                    count =0;
                }
                else {

                }
                pixel_old=pixel_new;

            }
        }
        txt.setText(colors_list.get(1)+"   "+colors_list.get(2));

    }
};
/*
   OnTouchListener imgSourceOnTouchListener
        = new OnTouchListener(){

    @Override
    public boolean onTouch(View view, MotionEvent event) {
        TextView txt = (TextView) findViewById(R.id.textView);


        iv.buildDrawingCache();
        Bitmap bitmap = iv.getDrawingCache();


        int x = (int)event.getX();
        int y = (int)event.getY();
        int pixel = bitmap.getPixel(x,y);

        String color = String.format("%06X",0xFFFFFF & pixel);






        txt.setText("p: "+pixel+" h: "+color);

        return true;
    }};
    */


@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    // TODO Auto-generated method stub
    super.onActivityResult(requestCode, resultCode, data);

    switch (requestCode) {
        case SELECTED_PICTURE:
            if(resultCode==RESULT_OK){
                Uri uri=data.getData();
                String[]projection={MediaStore.Images.Media.DATA};

                Cursor cursor=getContentResolver().query(uri, projection, null, null, null);
                cursor.moveToFirst();

                int columnIndex=cursor.getColumnIndex(projection[0]);
                String filePath=cursor.getString(columnIndex);
                cursor.close();

                Bitmap yourSelectedImage=BitmapFactory.decodeFile(filePath);
                Drawable d=new BitmapDrawable(yourSelectedImage);

                iv.setBackground(d);
               // iv.setOnTouchListener(imgSourceOnTouchListener);
                iv.setOnClickListener(onClick1);

            }
            break;

        default:
            break;
    }



}

Answer 1

写ASC＆＃39;是否正确？按布尔字段排序？

它没有任何问题。在ASC方向，FALSE将首先出现TRUE s。

在ExtJS中选择按布尔字段排序的方向类型是什么？

1 个答案: