메인액티비티에서 저장되어있는 DB의 사진 URI정보를 불러와서 화면에 부려준 후에 멀티터치 기능을 사용하려고

하는데 제가 아직 공부하는 입장이라서 잘 모르겠습니다. 화면에 로딩된 사진이 뿌려지기 까지는 하는데 연결을

잘못 시킨건지 도통 멀티터치가 구현안되는데 개발자님들의 답변좀 부탁드립니다.


 

photoShowactivity.java
 

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Matrix;
import android.graphics.PointF;
import android.net.Uri;
import android.os.Bundle;
import android.util.FloatMath;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;

public class PhotoViewActivity extends Activity{
String mMediaPhotoId;
String mMediaPhotoUri;

ImageView mPhoto;
Bitmap resultBitmap;
public ImageView mimageView = null;
private int page = 0;
private int lastpage;
private float xScaleFactor = 1f;
private float yScaleFactor = 1f;
public PointF matrixpos = new PointF(0,0);
public float matrixscale = 1;
TouchListenerClass TouchListener = new TouchListenerClass();

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
    
     super.onCreate(savedInstanceState);
    
     setContentView(R.layout.photo_view_activity);
     mPhoto = (ImageView)findViewById(R.id.photo_View);
org.android.Photoalbum.PhotoAlbumActivity.processing = false;

Intent mintent = getIntent();
processIntents(mintent);
mPhoto.setOnTouchListener(TouchListener);
mPhoto.invalidate();

 
    } 
    
public void processIntents(Intent intent) {
mMediaPhotoId = intent.getStringExtra(BasicInfo.KEY_ID_PHOTO);
mMediaPhotoUri = intent.getStringExtra(BasicInfo.KEY_URI_PHOTO);

setMediaImage(mMediaPhotoId, mMediaPhotoUri);

    }
public void setMediaImage(String photoId, String photoUri) {

mPhoto.setImageURI(Uri.parse(BasicInfo.FOLDER_PHOTO + photoUri));

}
private static final String TAG = "Touch";
// These matrices will be used to move and zoom image
Matrix matrix = new Matrix();
Matrix savedMatrix = new Matrix();

// We can be in one of these 3 states
static final int NONE = 0;
static final int DRAG = 1;
static final int ZOOM = 2;
int mode = NONE;

int isDrag = 0;

// Remember some things for zooming
PointF start = new PointF();
PointF mid = new PointF();
float oldDist = 1f;


private void dumpEvent(MotionEvent event) {
String names[] = { "DOWN", "UP", "MOVE", "CANCEL", "OUTSIDE",
"POINTER_DOWN", "POINTER_UP", "7?", "8?", "9?" };
StringBuilder sb = new StringBuilder();
int action = event.getAction();
int actionCode = action & MotionEvent.ACTION_MASK;
sb.append("event ACTION_").append(names[actionCode]);
if (actionCode == MotionEvent.ACTION_POINTER_DOWN
|| actionCode == MotionEvent.ACTION_POINTER_UP) {
sb.append("(pid ").append(
action >> MotionEvent.ACTION_POINTER_ID_SHIFT);
sb.append(")");
}
sb.append("[");
for (int i = 0; i < event.getPointerCount(); i++) {
sb.append("#").append(i);
sb.append("(pid ").append(event.getPointerId(i));
sb.append(")=").append((int) event.getX(i));
sb.append(",").append((int) event.getY(i));
if (i + 1 < event.getPointerCount())
sb.append(";");
}
sb.append("]");
Log.d(TAG, sb.toString());
}

/** Determine the space between the first two fingers */
private float spacing(MotionEvent event) {
float x = event.getX(0) - event.getX(1);
float y = event.getY(0) - event.getY(1);
return FloatMath.sqrt(x * x + y * y);
}

/** Calculate the mid point of the first two fingers */
private void midPoint(PointF point, MotionEvent event) {
float x = event.getX(0) + event.getX(1);
float y = event.getY(0) + event.getY(1);
point.set(x / 2, y / 2);
}

public float scale = 1f;
class TouchListenerClass implements View.OnTouchListener{
private List<float[]> list = new ArrayList<float[]>();
public boolean onTouch(View v, MotionEvent event){
ImageView view = (ImageView) v;
// Dump touch event to log
dumpEvent(event);
// Handle touch events here...
switch (event.getAction() & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
savedMatrix.set(matrix);
start.set(event.getX(), event.getY());
Log.d(TAG, "mode=DRAG");
mode = DRAG;
break;

case MotionEvent.ACTION_POINTER_DOWN:
oldDist = spacing(event);
Log.d(TAG, "oldDist=" + oldDist);
if (oldDist > 10f) {
savedMatrix.set(matrix);
midPoint(mid, event);
mode = ZOOM;
Log.d(TAG, "mode=ZOOM");
}
break;


case MotionEvent.ACTION_UP:
if(mode == DRAG){
matrixpos.x = matrixpos.x - (start.x - event.getX());
matrixpos.y = matrixpos.y - (start.y - event.getY());
}
mode = NONE;
isDrag = 0;
break;

case MotionEvent.ACTION_POINTER_UP:
matrixscale = matrixscale * scale;
mode = NONE;
Log.d(TAG, "mode=NONE");
break;
case MotionEvent.ACTION_MOVE:
if (mode == DRAG) {
// ...
isDrag = 1;
matrix.set(savedMatrix);
matrix.postTranslate(event.getX() - start.x, event.getY() - start.y);

}
else if (mode == ZOOM) {
float newDist = spacing(event);
Log.d(TAG, "newDist=" + newDist);
if (newDist > 10f) {
matrix.set(savedMatrix);
scale = newDist / oldDist;
matrix.postScale(scale, scale, mid.x, mid.y);

}
}
break;
}

view.setImageMatrix(matrix);
return true; // indicate event was handled

}


}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// TODO Auto-generated method stub
return super.onCreateOptionsMenu(menu);
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
// TODO Auto-generated method stub
return super.onOptionsItemSelected(item);
}

private void postToLog(String msg){
Log.v("demo_view",msg);
}

}


 


photo_view_activity.xml


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
     >

    <ImageView
        android:id="@+id/photo_View"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scaleType="fitCenter" />

</LinearLayout>