my android java main program:
package com.example.draganddropdemo;
import android.os.Bundle;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.ActionBar.LayoutParams;
import android.graphics.Color;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.Toast;
public class MainActivity extends Activity /*implements OnTouchListener*/ {
private static final int START_DRAGGING = 0;
private static final int STOP_DRAGGING = 1;
private Button dragbtn1,dragbtn2,dragbtn3,dragbtn4;
private Button para_btn1,para_btn2,para_btn3;
private RelativeLayout layout,layoutNew,layoutNew2,layoutNew3;
private int status;
private int buttonId = 0;
private Boolean booleanbtn1 = false,booleanbtn2 = false,booleanbtn3 = false,booleanbtn4 = false;
//private ViewGroup.LayoutParams params;
private ImageView image,imageNew,imageNew3,imageNew4;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
System.out.println("------------onCreate-----------------------------------");
para_btn1 = (Button) findViewById(R.id.para_button1);
para_btn2 = (Button) findViewById(R.id.para_button2);
para_btn3 = (Button) findViewById(R.id.para_button3);
layout = (RelativeLayout) findViewById(R.id.frameLayout1);
layoutNew = (RelativeLayout) findViewById(R.id.relativeLayoutsample1);
layoutNew2 = (RelativeLayout) findViewById(R.id.relativeLayoutsample2);
layoutNew3 = (RelativeLayout) findViewById(R.id.relativeLayoutsample3);
//------------------------------------------------------------------------
dragbtn1 = (Button) findViewById(R.id.drag_button1);
dragbtn1.setDrawingCacheEnabled(true);
dragbtn1.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
buttonId = 1;
if( event.getAction() == MotionEvent.ACTION_DOWN ) {
status = START_DRAGGING;
image = new ImageView(getApplicationContext());
image.setImageBitmap(dragbtn1.getDrawingCache());
layout.addView(image);
}
if( event.getAction() == MotionEvent.ACTION_UP ) {
status = STOP_DRAGGING;
Log.i("Drag", "Stopped Dragging");
booleanbtn1 = true;
booleanbtn2 = false;
booleanbtn3 = false;
booleanbtn4 = false;
checkMethod();
}
else if( event.getAction() == MotionEvent.ACTION_MOVE ) {
if( status == START_DRAGGING ) {
System.out.println("--------------Dragging--------------");
image.setPadding((int)event.getRawX(),(int)event.getRawY(), 0, 0);
image.invalidate();
}
}
return false;
}
});
//------------------------------------------------------------------------
dragbtn2 = (Button) findViewById(R.id.drag_button2);
dragbtn2.setDrawingCacheEnabled(true);
dragbtn2.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
System.out.println("------------onTouch----------------------event:"+event+"-------View:"+v);
buttonId = 2;
if( event.getAction() == MotionEvent.ACTION_DOWN ) {
status = START_DRAGGING;
imageNew = new ImageView(getApplicationContext());
imageNew.setImageBitmap(dragbtn2.getDrawingCache());
layout.addView(imageNew);
}
if( event.getAction() == MotionEvent.ACTION_UP ) {
status = STOP_DRAGGING;
Log.i("Drag", "Stopped Dragging");
booleanbtn2 = true;
booleanbtn1 = false;
booleanbtn3 = false;
booleanbtn4 = false;
checkMethod();
} else if( event.getAction() == MotionEvent.ACTION_MOVE ) {
if( status == START_DRAGGING ) {
System.out.println("--------------Dragging--------------");
imageNew.setPadding((int)event.getRawX(),(int)event.getRawY(), 0, 0);
imageNew.invalidate();
}
}
return false;
}
});
// params = new ViewGroup.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
//------------------------------------------------------------------------
dragbtn3 = (Button) findViewById(R.id.drag_button3);
dragbtn3.setDrawingCacheEnabled(true);
dragbtn3.setOnTouchListener(new OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
buttonId = 3;
if( event.getAction() == MotionEvent.ACTION_DOWN ) {
status = START_DRAGGING;
imageNew3 = new ImageView(getApplicationContext());
imageNew3.setImageBitmap(dragbtn3.getDrawingCache());
layout.addView(imageNew3);
}
if( event.getAction() == MotionEvent.ACTION_UP ) {
status = STOP_DRAGGING;
Log.i("Drag", "Stopped Dragging");
booleanbtn3 = true;
checkMethod();
} else if( event.getAction() == MotionEvent.ACTION_MOVE ) {
if( status == START_DRAGGING ) {
System.out.println("--------------Dragging--------------");
imageNew3.setPadding((int)event.getRawX(),(int)event.getRawY(), 0, 0);
imageNew3.invalidate();
}
}
return false;
}
});
//------------------------------------------------------------------------
//------------------------------------------------------------------------
dragbtn4 = (Button) findViewById(R.id.drag_button4);
dragbtn4.setDrawingCacheEnabled(true);
dragbtn4.setOnTouchListener(new OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
buttonId = 4;
if( event.getAction() == MotionEvent.ACTION_DOWN ) {
status = START_DRAGGING;
imageNew4 = new ImageView(getApplicationContext());
imageNew4.setImageBitmap(dragbtn4.getDrawingCache());
layout.addView(imageNew4);
}
if( event.getAction() == MotionEvent.ACTION_UP ) {
status = STOP_DRAGGING;
Log.i("Drag", "Stopped Dragging");
booleanbtn4 = true;
checkMethod();
} else if( event.getAction() == MotionEvent.ACTION_MOVE ) {
if( status == START_DRAGGING ) {
System.out.println("--------------Dragging--------------");
imageNew4.setPadding((int)event.getRawX(),(int)event.getRawY(), 0, 0);
imageNew4.invalidate();
}
}
return false;
}
});
//------------------------------------------------------------------------
}
//------------------------------------------------------------------------
@SuppressLint({ "NewApi", "NewApi" })
protected void checkMethod() {
System.out.println("------------checkMethod----------------------------");
Toast.makeText(MainActivity.this,"checkMethod", 10).show();
/*Boolean lay1,lay2,lay3,btn1,btn2,btn3;
lay1 = layoutNew.isInTouchMode();
lay2 = layoutNew2.isInTouchMode();
lay3 = layoutNew3.isInTouchMode();
System.out.println("-----------------------lay1:"+lay1+"------lay2:"+lay2+"-----lay3:"+lay3);
Toast.makeText(MainActivity.this,"lay1:"+lay1+" lay2:"+lay2+" lay3:"+lay3, 120).show();*/
//btn1 = para_btn1.isInTouchMode();
//btn2 = para_btn2.isInTouchMode();
//btn3 = para_btn3.isInTouchMode();
//System.out.println("-----------------------btn1:"+btn1+"------btn2:"+btn2+"-----btn3:"+btn3);
//Toast.makeText(MainActivity.this,"btn1:"+btn1+" btn2:"+btn2+" btn3:"+btn3, 120).show();
//----if start-------
if ( layoutNew.isInTouchMode() == true ) // First Layout
{
Toast.makeText(MainActivity.this,"Parameter1", 30).show();
if ( booleanbtn1 == true ) //-----------
{
Toast.makeText(MainActivity.this,"booleanbtn1", 20).show();
image.setVisibility(View.GONE);
//layoutNew.removeView(image);
if( buttonId == 1 ) {
Toast.makeText(MainActivity.this,"Image1 Parameter1buttonId 1", 120).show();
para_btn1.setHeight(dragbtn1.getHeight());
para_btn1.setBackgroundColor(Color.GREEN);
}
if( buttonId == 2 ) {
Toast.makeText(MainActivity.this,"Image1 Parameter1buttonId 2", 120).show();
para_btn1.setHeight(dragbtn2.getHeight());
para_btn1.setBackgroundColor(Color.YELLOW);
}
if( buttonId == 3 ) {
Toast.makeText(MainActivity.this,"Image1 Parameter1buttonId 3", 120).show();
para_btn1.setHeight(dragbtn3.getHeight());
para_btn1.setBackgroundColor(Color.RED);
}
if( buttonId == 4 ) {
Toast.makeText(MainActivity.this,"Image1 Parameter1buttonId 4", 120).show();
para_btn1.setHeight(dragbtn4.getHeight());
para_btn1.setBackgroundColor(Color.BLACK);
}
}
else if ( booleanbtn2 == true ) {
Toast.makeText(MainActivity.this,"booleanbtn2", 20).show();
imageNew.setVisibility(View.GONE);
if( buttonId == 1 ) {
Toast.makeText(MainActivity.this,"ImageNew Parameter1buttonId 1", 120).show();
para_btn1.setHeight(dragbtn1.getHeight());
para_btn1.setBackgroundColor(Color.GREEN);
}
if( buttonId == 2 ) {
Toast.makeText(MainActivity.this,"ImageNew Parameter1buttonId 2", 120).show();
para_btn1.setHeight(dragbtn2.getHeight());
para_btn1.setBackgroundColor(Color.YELLOW);
}
if( buttonId == 3 ) {
Toast.makeText(MainActivity.this,"Image1 Parameter1buttonId 1", 120).show();
para_btn1.setHeight(dragbtn3.getHeight());
para_btn1.setBackgroundColor(Color.RED);
}
if( buttonId == 4 ) {
Toast.makeText(MainActivity.this,"Image1 Parameter1buttonId 2", 120).show();
para_btn1.setHeight(dragbtn4.getHeight());
para_btn1.setBackgroundColor(Color.BLACK);
}
}//-----------
else if ( booleanbtn3 == true) {
Toast.makeText(MainActivity.this,"booleanbtn3", 20).show();
if( buttonId == 1 ) {
Toast.makeText(MainActivity.this,"ImageNew Parameter1buttonId 1", 120).show();
para_btn1.setHeight(dragbtn1.getHeight());
para_btn1.setBackgroundColor(Color.GREEN);
}
if( buttonId == 2 ) {
Toast.makeText(MainActivity.this,"ImageNew Parameter1buttonId 2", 120).show();
para_btn1.setHeight(dragbtn2.getHeight());
para_btn1.setBackgroundColor(Color.YELLOW);
}
if( buttonId == 3 ) {
Toast.makeText(MainActivity.this,"Image1 Parameter1buttonId 1", 120).show();
para_btn1.setHeight(dragbtn3.getHeight());
para_btn1.setBackgroundColor(Color.RED);
}
if( buttonId == 4 ) {
Toast.makeText(MainActivity.this,"Image1 Parameter1buttonId 2", 120).show();
para_btn1.setHeight(dragbtn4.getHeight());
para_btn1.setBackgroundColor(Color.BLACK);
}
}//-----------
else if ( booleanbtn4 == true) {
Toast.makeText(MainActivity.this,"booleanbtn4", 20).show();
if( buttonId == 1 ) {
Toast.makeText(MainActivity.this,"ImageNew Parameter1buttonId 1", 120).show();
para_btn1.setHeight(dragbtn1.getHeight());
para_btn1.setBackgroundColor(Color.GREEN);
}
if( buttonId == 2 ) {
Toast.makeText(MainActivity.this,"ImageNew Parameter1buttonId 2", 120).show();
para_btn1.setHeight(dragbtn2.getHeight());
para_btn1.setBackgroundColor(Color.YELLOW);
}
if( buttonId == 3 ) {
Toast.makeText(MainActivity.this,"Image1 Parameter1buttonId 3", 120).show();
para_btn1.setHeight(dragbtn3.getHeight());
para_btn1.setBackgroundColor(Color.RED);
}
if( buttonId == 4 ) {
Toast.makeText(MainActivity.this,"Image1 Parameter1buttonId 4", 120).show();
para_btn1.setHeight(dragbtn4.getHeight());
para_btn1.setBackgroundColor(Color.BLACK);
}
}//-----------
}//--if end---------
else if ( layoutNew2.isInTouchMode() == true ) { // Check touch code for Second Layout
Toast.makeText(MainActivity.this,"Parameter 2", 120).show();
if ( booleanbtn1 == true ) //-----------
{
image.setVisibility(View.GONE);
if( buttonId == 1 ) {
para_btn1.setHeight(dragbtn1.getHeight());
para_btn1.setBackgroundColor(Color.GREEN);
}
if( buttonId == 2 ) {
para_btn1.setHeight(dragbtn2.getHeight());
para_btn1.setBackgroundColor(Color.YELLOW);
}
}
else if ( booleanbtn2 == true ) {
imageNew.setVisibility(View.GONE);
if( buttonId == 1 ) {
para_btn1.setHeight(dragbtn1.getHeight());
para_btn1.setBackgroundColor(Color.GREEN);
}
if( buttonId == 2 ) {
para_btn1.setHeight(dragbtn2.getHeight());
para_btn1.setBackgroundColor(Color.YELLOW);
}
}//-----------
} // else if end-------------
else if ( layoutNew3.isInTouchMode() == true ) { // Third Layout
Toast.makeText(MainActivity.this,"Parameter 3", 120).show();
if ( booleanbtn1 == true) //-----------
{
image.setVisibility(View.GONE);
if( buttonId == 1 ) {
para_btn1.setHeight(dragbtn1.getHeight());
para_btn1.setBackgroundColor(Color.GREEN);
}
if( buttonId == 2 ) {
para_btn1.setHeight(dragbtn2.getHeight());
para_btn1.setBackgroundColor(Color.YELLOW);
}
}
else if ( booleanbtn2 == true ) {
imageNew.setVisibility(View.GONE);
if( buttonId == 1 ) {
para_btn1.setHeight(dragbtn1.getHeight());
para_btn1.setBackgroundColor(Color.GREEN);
}
if( buttonId == 2 ) {
para_btn1.setHeight(dragbtn2.getHeight());
para_btn1.setBackgroundColor(Color.YELLOW);
}
}//-----------
} // else if end-------------
}
//------------------------------------------------------------------------
}
-------------------------------------------------------------------------------------------
my XML program :
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/frameLayout1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true" >
<Button
android:id="@+id/drag_button1"
android:layout_width="30dp"
android:layout_height="70dp"
android:background="#4CC417"
android:text="btn1" />
<RelativeLayout
android:id="@+id/relativeLayoutsample3"
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:background="#5CB3FF" >
<Button
android:id="@+id/para_button3"
android:layout_width="30dp"
android:layout_height="70dp"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="24dp"
android:text="Button" />
</RelativeLayout>
<Button
android:id="@+id/drag_button2"
android:layout_width="30dp"
android:layout_height="70dp"
android:layout_alignParentTop="true"
android:layout_marginLeft="17dp"
android:layout_toRightOf="@+id/drag_button1"
android:background="#FFFF00"
android:text="btn2" />
<RelativeLayout
android:id="@+id/relativeLayoutsample1"
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:background="#808000" >
<Button
android:id="@+id/para_button1"
android:layout_width="30dp"
android:layout_height="70dp"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="18dp"
android:text="Button" />
</RelativeLayout>
<Button
android:id="@+id/drag_button3"
android:layout_width="30dp"
android:layout_height="70dp"
android:layout_alignParentTop="true"
android:layout_toRightOf="@+id/relativeLayoutsample1"
android:background="#FF0000"
android:text="btn3" />
<Button
android:id="@+id/drag_button4"
android:layout_width="30dp"
android:layout_height="70dp"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:background="#000000"
android:text="btn4" />
<RelativeLayout
android:id="@+id/relativeLayoutsample2"
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:background="#FFA500" >
<Button
android:id="@+id/para_button2"
android:layout_width="30dp"
android:layout_height="70dp"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="19dp"
android:text="Button" />
</RelativeLayout>
</RelativeLayout>
--------------------------------------------------------------------------------------------
