The following code helps you to do a drag and drop in ANDROID.
package com.pack;import android.app.Activity;import android.content.Context;import android.graphics.Canvas;import android.os.Bundle;import android.view.MotionEvent;import android.widget.AbsoluteLayout;import android.widget.Button;import android.widget.ImageView;public class Touch extends Activity {/** Called when the activity is first created. */@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);MyView tx = new MyView(this);MyView2 tx2 = new MyView2(this);tx.setText("Drag Me");int imgID = getResources().getIdentifier("icon", "drawable", "com.pack");tx2.setImageResource(imgID);AbsoluteLayout l = new AbsoluteLayout(this);AbsoluteLayout.LayoutParams p = new AbsoluteLayout.LayoutParams(AbsoluteLayout.LayoutParams.WRAP_CONTENT,AbsoluteLayout.LayoutParams.WRAP_CONTENT,0,0);l.addView(tx,p);l.addView(tx2,p);setContentView(l);}// events when touching the screenpublic boolean onTouchEvent(MotionEvent event) {int eventaction = event.getAction();int X = (int)event.getX();int Y = (int)event.getY();System.out.println("SCR X="+X+" SCR y="+Y);switch (eventaction ) {case MotionEvent.ACTION_DOWN:break;case MotionEvent.ACTION_MOVE:break;case MotionEvent.ACTION_UP:break;}return true;}/******************* Class 1 ************************************/class MyView extends Button{public MyView(Context c){super(c);}@Overridepublic 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,mCurX-50,mCurY-50);this.setLayoutParams (p);}return true;}public void draw(Canvas canvas) {super.draw(canvas);}}/******************* Class 2 ************************************/class MyView2 extends ImageView{public MyView2(Context c){super(c);}@Overridepublic 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);int imgID = getResources().getIdentifier("icon", "drawable", "com.pack");this.setImageResource(imgID);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;}@Overridepublic void draw(Canvas canvas) {super.draw(canvas);}}} |
i want the same one in grid view with drag and drop funtionality can u plz do dat