hi
Can you please illustrate the scenarios of the constants
ACTION_MOVE,ACTION_DOWN,ACTION_UP ?
regards
Kaushik
On Fri, Jan 9, 2009 at 6:22 PM, Peli <peli0...@googlemail.com> wrote:
>
> what you have to do is, remember the coordinates that you get with the
> ACTION_DOWN event.
>
> Remember the distance (difference) between those coordinates and the
> original coordinates of your image (call that offsetX and offsetY),
> and subsequently in ACTION_MOVE always add those offset values.
>
> Peli
>
> On Jan 9, 11:36 am, "kaushik sur" <kaushik....@gmail.com> wrote:
> > Hi Peli
> >
> > here i attach my code, to be added , i have ressolved the issue of double
> > image by getting rawX() value of the event , and setting my absolute
> layout
> > according to that.
> > but here i get a unique problem, whenever i click the button and try to
> drag
> > it, the mouse tip comes to a certain pixels above from the topleft corner
> of
> > the button,like a offset distance,if you run the code on the emulator u
> wil
> > find this problem.
> > can anyone help to solve this?
> >
> > package com.google.android.samples.view.draganddrop;
> >
> > import android.app.Activity;
> > import android.content.Context;
> > import android.graphics.Canvas;
> > import android.os.Bundle;
> > import android.view.MotionEvent ;
> > import android.view.View;
> > import android.view.View.OnClickListener;
> > import android.widget.AbsoluteLayout;
> > import android.widget.Button;
> > import android.widget.Toast;
> >
> > public class Drag_And_Drop extends Activity {
> > /** Called when the activity is first created. */
> >
> > @Override
> > public void onCreate(Bundle icicle) {
> > super.onCreate(icicle);
> >
> > MyView tx = new MyView(this);
> > tx.setText("Drag Me");
> > AbsoluteLayout l = new AbsoluteLayout(this);
> >
> > AbsoluteLayout.LayoutParams p = new AbsoluteLayout.LayoutParams(
> > AbsoluteLayout.LayoutParams.WRAP_CONTENT,
> > AbsoluteLayout.LayoutParams.WRAP_CONTENT,10,10);
> > l.addView(tx,p);
> > setContentView(l);
> >
> > }
> >
> > class MyView extends Button
> > {
> > public MyView(Context c){
> > super(c);
> >
> > }
> >
> > @Override
> > public boolean dispatchTouchEvent(MotionEvent event) {
> > int mCurX=(int)event.getRawX();
> > int mCurY=(int)event.getRawY();;
> > System.out.println("scrollx "+this.getScrollX());
> > int action = event.getAction();
> > if ( action == MotionEvent.ACTION_MOVE ) {
> > System.out.println("X="+mCurX+" y="+mCurY);
> > this.setText("x: " + mCurX + ",y: " + mCurY );
> > AbsoluteLayout.LayoutParams p = new
> > AbsoluteLayout.LayoutParams(AbsoluteLayout.LayoutParams.WRAP_CONTENT,
> > AbsoluteLayout.LayoutParams.WRAP_CONTENT,this.getScrollX()+ mCurX,
> > this.getScrollY()+mCurY);
> > this.setLayoutParams (p);
> >
> > }
> > return true;
> > }
> >
> > @Override
> > public void draw(Canvas canvas) {
> > // TODO Auto-generated method stub
> > super.draw(canvas);
> >
> > }
> >
> > }
> >
> > }
> >
> > #####main.xml#####
> >
> > <?xml version=*"1.0"* encoding=*"utf-8"*?>
> >
> > <LinearLayout xmlns:android=*"http://schemas.android.com/apk/res/android
> "
> > *
> >
> > android:orientation=*"vertical"
> > *
> >
> > android:layout_width=*"fill_parent"
> > *
> >
> > android:layout_height=*"fill_parent"
> > *
> >
> >
> >
> > <TextView
> >
> > android:layout_width=*"fill_parent"*
> >
> > android:layout_height=*"wrap_content"*
> >
> > android:text=*"@string/hello"
> > *
> >
> > />
> >
> > <Button
> >
> > android:id=*"@+id/button"
> > *
> >
> > android:layout_width=*"fill_parent"
> > *
> >
> > android:layout_height=*"wrap_content"
> > *
> >
> > android:text=*"start transfer"
> > *
> >
> > />
> >
> > </LinearLayout>
> >
> > regards
> > Kaushik
> >
> > On Thu, Jan 8, 2009 at 11:23 PM, Dan Raaka <micromys...@gmail.com>
> wrote:
> >
> > > Refer Launcher code in the source tree.
> >
> > > -M
> >
> > > On Jan 8, 8:13 am, "kaushik.siso" <kaushik....@gmail.com> wrote:
> > > > hi
> >
> > > > i want to know how can i enbale Drag and drop feature in android.
> > > > suppose i have a image,which are to be dragged and dropped on another
> > > > result and it will start a new activity.
> > > > i seek your help to get a head-start atleast.
> >
> > > > regards
> > > > k...@sis
> >
>
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