Android 以编程方式设置缩放和滚动(ImageView)
我找不到任何有用的东西Android 以编程方式设置缩放和滚动(ImageView),android,imageview,Android,Imageview,我找不到任何有用的东西 如何以编程方式设置ImageView的缩放(x和y)和滚动(x和y)?使用ImageView.setScaleType(ImageView.ScaleType-ScaleType)在ImageView中控制和调整图像大小。试试这个。这肯定有帮助 public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.xml
如何以编程方式设置ImageView的缩放(x和y)和滚动(x和y)?使用
ImageView.setScaleType(ImageView.ScaleType-ScaleType)
在ImageView中控制和调整图像大小。试试这个。这肯定有帮助
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.xml_name_layout);
final ImageView switcherView = (ImageView) this.findViewById(R.id.img);
switcherView.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View arg0, MotionEvent event) {
float curX, curY;
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
mx = event.getX();
my = event.getY();
break;
case MotionEvent.ACTION_MOVE:
curX = event.getX();
curY = event.getY();
switcherView.scrollBy((int) (mx - curX), (int) (my - curY));
mx = curX;
my = curY;
break;
case MotionEvent.ACTION_UP:
curX = event.getX();
curY = event.getY();
switcherView.scrollBy((int) (mx - curX), (int) (my - curY));
break;
}
return true;
}
});
}
setImageMatrix()
whenandroid:scaleType=“matrix”