안녕하세요
안드로이드 왕초보입니다.
다름이 아니라 라지이미지로 기존에 켜지는 화면에 멀치터치 기능을 삽입해서 줌 기능을 넣으려고하는데 어떻게 해야할까요?
오류가 납니다
package com.example.blackfriday;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Matrix;
import android.graphics.PointF;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.FloatMath;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;
★오류★ public class LargeImageActivity extends Activity implements OnTouchListener{
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.large_image);
Intent it = getIntent();
String tag = it.getStringExtra("it_tag");
int id_image = getResources().getIdentifier(tag, "drawable", getPackageName());
ImageView imageview = (ImageView)findViewById(R.id.splash);
imageview.setImageResource(id_image);
}
public void displayNone(View v) {
finish();
}
}
★오류★public class LargeImageActivity extends ImageView implements OnTouchListener{
// 디버깅 정보
private static final String TAG = "ViewTouchImage";
private static final boolean D = false;
private Matrix matrix = new Matrix();
private Matrix savedMatrix = new Matrix();
private Matrix savedMatrix2 = new Matrix();
private static final int NONE = 0;
private static final int DRAG = 1;
private static final int ZOOM = 2;
private int mode = NONE;
private PointF start = new PointF();
private PointF mid = new PointF();
private float oldDist = 1f;
private static final int WIDTH = 0;
private static final int HEIGHT = 1;
private boolean isInit = false;
public ViewTouchImage(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
setOnTouchListener(this);
setScaleType(ScaleType.MATRIX);
}
public ViewTouchImage(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public ViewTouchImage(Context context) {
this(context, null);
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
if (D) Log.i(TAG, "onLayout");
super.onLayout(changed, left, top, right, bottom);
if (isInit == false){
init();
isInit = true;
}
}
@Override
public void setImageBitmap(Bitmap bm) {
if (D) Log.i(TAG, "setImageBitmap");
super.setImageBitmap(bm);
isInit = false;
init();
}
@Override
public void setImageDrawable(Drawable drawable) {
if (D) Log.i(TAG, "setImageDrawable");
super.setImageDrawable(drawable);
isInit = false;
init();
}
@Override
public void setImageResource(int resId) {
if (D) Log.i(TAG, "setImageResource");
super.setImageResource(resId);
isInit = false;
init();
}
protected void init() {
matrixTurning(matrix, this);
setImageMatrix(matrix);
setImagePit();
}
/**
* 이미지 핏
*/
public void setImagePit(){
// 매트릭스 값
float[] value = new float[9];
this.matrix.getValues(value);
// 뷰 크기
int width = this.getWidth();
int height = this.getHeight();
// 이미지 크기
Drawable d = this.getDrawable();
if (d == null) return;
int imageWidth = d.getIntrinsicWidth();
int imageHeight = d.getIntrinsicHeight();
int scaleWidth = (int) (imageWidth * value[0]);
int scaleHeight = (int) (imageHeight * value[4]);
// 이미지가 바깥으로 나가지 않도록.
value[2] = 0;
value[5] = 0;
if (imageWidth > width || imageHeight > height){
int target = WIDTH;
if (imageWidth < imageHeight) target = HEIGHT;
if (target == WIDTH) value[0] = value[4] = (float)width / imageWidth;
if (target == HEIGHT) value[0] = value[4] = (float)height / imageHeight;
scaleWidth = (int) (imageWidth * value[0]);
scaleHeight = (int) (imageHeight * value[4]);
if (scaleWidth > width) value[0] = value[4] = (float)width / imageWidth;
if (scaleHeight > height) value[0] = value[4] = (float)height / imageHeight;
}
// 그리고 가운데 위치하도록 한다.
scaleWidth = (int) (imageWidth * value[0]);
scaleHeight = (int) (imageHeight * value[4]);
if (scaleWidth < width){
value[2] = (float) width / 2 - (float)scaleWidth / 2;
}
if (scaleHeight < height){
value[5] = (float) height / 2 - (float)scaleHeight / 2;
}
matrix.setValues(value);
setImageMatrix(matrix);
}
@Override
public boolean onTouch(View v, MotionEvent event) {
ImageView view = (ImageView) v;
switch (event.getAction() & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
savedMatrix.set(matrix);
start.set(event.getX(), event.getY());
mode = DRAG;
break;
case MotionEvent.ACTION_POINTER_DOWN:
oldDist = spacing(event);
if (oldDist > 10f) {
savedMatrix.set(matrix);
midPoint(mid, event);
mode = ZOOM;
}
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_POINTER_UP:
mode = NONE;
break;
case MotionEvent.ACTION_MOVE:
if (mode == DRAG) {
matrix.set(savedMatrix);
matrix.postTranslate(event.getX() - start.x, event.getY() - start.y);
}
else if (mode == ZOOM) {
float newDist = spacing(event);
if (newDist > 10f) {
matrix.set(savedMatrix);
float scale = newDist / oldDist;
matrix.postScale(scale, scale, mid.x, mid.y);
}
}
break;
}
// 매트릭스 값 튜닝.
matrixTurning(matrix, view);
view.setImageMatrix(matrix);
return true;
}
