I am trying to create app which is match text with appropriate images by
pointing with line.
I want to create app exactly same which is shown in the below image:
[image: I created List of text views and a grid view of images in between I
have linear layout. When I click on text view I will get (x1,y1) points of
text view and when I click on image I will get (x2,y2) positions of image
view. I am passing this values to Drawing class to draw a line. But every
time its drawing only one line.]
can any one please give me an idea?
This is my main class:
public class MatchActivity extends Activity {
ArrayAdapter<String> listadapter;
float x1;
float y1;
float x2;
float y2;
ArrayList<Float> points ;
ArrayList<Float> points1 ;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
String[] s1 = { "smiley1", "smiley2", "smiley3" };
ListView lv = (ListView) findViewById(R.id.text_list);
ArrayList<String> list = new ArrayList<String>();
points = new ArrayList<Float>();
list.addAll(Arrays.asList(s1));
listadapter = new ArrayAdapter<String>(this, R.layout.rowtext, s1);
lv.setAdapter(listadapter);
GridView gv = (GridView) findViewById(R.id.image_list);
gv.setAdapter(new ImageAdapter(this));
lv.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> arg0, View v, int arg2,long
arg3){
points = new ArrayList<Float>();
x1=v.getX();
y1=v.getY();
points.add(Float.valueOf(x1));
points.add(Float.valueOf(y1));;
Log.d("list","text positions"+points);
}
});
This is my drawing class to draw a line:
public class DrawView extends View {
Paint paint = new Paint();
private List<Float> position1=new ArrayList<Float>();
private List<Float> position2=new ArrayList<Float>();;
float x1,y1,x2,y2;
ListView lv;
GridView gv;
public DrawView(Context context,ArrayList<Float> points1,ArrayList<Float>
points2) {
super(context);
position1=points1;
position2=points2;
invalidate();
Log.d("drawview","on drawview pos1:"+position1+" pos2:"+position2) ;
}
@Override
public void onDraw(Canvas canvas) {
super.onDraw(canvas);
Log.d("on draw","on draw position1:"+position1+"
position2:"+position2);
x1=position1.get(0).floatValue();
y1=position1.get(1).floatValue();
x2=position2.get(0).floatValue();
y2=position2.get(1).floatValue();
paint.setColor(Color.BLACK);
paint.setStrokeWidth(3);
canvas.drawLine(x1,y1+75, x2+300,y2, paint);
}
}
Thanks in advance .
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