找了一个可用的自定义竖直SeekBar,在测试工程中显示正常,结果到了正式工程中却显示不正常,实在是找不到原因
测试项目效果如下:
正式项目显示效果:
自定义SeekBar代码如下:
package com.example.listviewtest;
import android.content.Context;
import android.graphics.Canvas;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.widget.SeekBar;
public class VerticalSeekBar extends SeekBar {
public VerticalSeekBar(Context context) {
super(context);
}
public VerticalSeekBar(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public VerticalSeekBar(Context context, AttributeSet attrs) {
super(context, attrs);
}
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(h, w, oldh, oldw);
}
@Override
protected synchronized void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(heightMeasureSpec, widthMeasureSpec);
setMeasuredDimension(getMeasuredHeight(), getMeasuredWidth());
}
protected void onDraw(Canvas c) {
//将SeekBar转转90度
c.rotate(-90);
//将旋转后的视图移动回来
c.translate(-getHeight(),0);
Log.i("getHeight()",getHeight()+"");
super.onDraw(c);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (!isEnabled()) {
return false;
}
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_MOVE:
case MotionEvent.ACTION_UP:
int i=0;
//获取滑动的距离
i=getMax() - (int) (getMax() * event.getY() / getHeight());
//设置进度
setProgress(i);
Log.i("Progress",getProgress()+"");
//每次拖动SeekBar都会调用
onSizeChanged(getWidth(), getHeight(), 0, 0);
Log.i("getWidth()",getWidth()+"");
Log.i("getHeight()",getHeight()+"");
break;
case MotionEvent.ACTION_CANCEL:
break;
}
return true;
}
}