私は画像の概念に慣れていませんでした。異なる画像ビューの 2 つの画像を作成できませんでした。
package com.nst.touch;
import java.io.ByteArrayOutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Matrix;
import android.graphics.PointF;
import android.os.Bundle;
import android.provider.MediaStore;
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;
public class MainActivity extends Activity implements OnTouchListener {
private static final String TAG = "Touch";
Matrix matrix = new Matrix();
Matrix savedMatrix = new Matrix();
static final int NONE = 0;
static final int DRAG = 1;
static final int ZOOM = 2;
int mode = NONE;
PointF start = new PointF();
PointF mid = new PointF();
float oldDist = 1f;
String fileName, time;
ImageView view;
ImageView view2;
private int CAPTURE_IMAGE = 111;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
view = (ImageView) findViewById(R.id.pinchView);
view.setOnTouchListener(this);
view2 = (ImageView) findViewById(R.id.pinchPant);
view2.setOnTouchListener(this);
}
public void takeShirt(View view) {
Intent pic = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
time = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
fileName = "fab" + time + ".jpg";
startActivityForResult(pic, CAPTURE_IMAGE);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
if (requestCode == CAPTURE_IMAGE) {
Bitmap pic = (Bitmap) data.getExtras().get("data");
view.setImageBitmap(pic);
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
pic.compress(Bitmap.CompressFormat.JPEG, 100, bytes);
}
}
@Override
public boolean onTouch(View v, MotionEvent event) {
// TODO Auto-generated method stub
ImageView view = (ImageView) v;
dumpEvent(event);
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_UP:
case MotionEvent.ACTION_POINTER_UP:
mode = NONE;
Log.d(TAG, "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);
Log.d(TAG, "newDist =" + newDist);
if (newDist > 10f) {
matrix.set(savedMatrix);
float scale = newDist / oldDist;
matrix.postScale(scale, scale, mid.x, mid.y);
}
}
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;
}
view.setImageMatrix(matrix);
return true;
}
private void midpoint(PointF point, MotionEvent event) {
// TODO Auto-generated method stub
float x = event.getX(0) - event.getX(1);
float y = event.getY(0) - event.getY(1);
point.set(x / 2, y / 2);
}
private float spacing(MotionEvent event) {
// TODO Auto-generated method stub
float x = event.getX(0) - event.getX(1);
float y = event.getY(0) - event.getY(1);
return FloatMath.sqrt(x * x + y * y);
}
private void dumpEvent(MotionEvent event) {
// TODO Auto-generated method stub
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());
}
}
}
2番目のビューをつまむことができませんでした