自定义步骤：
1.继承LinearLayout
2.遍历添加星星图片
3.设置图片监听
4.提供公共方法 评分数
package com.rongke.mifan.starbarapplication;
import android.content.Context;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
/**
* 杭州融科网络
* 刘宇飞创建 on 2017/6/16.
* 描述：评价条
*/
public class StartBar extends LinearLayout {
private boolean isNeedScore;//是否需要显示分数
private boolean isNeedTouch;
private Context context;
private int default_color;//分数默认颜色
private int default_height;//星星高度
private TextView scoreView;//触摸评分 默认不可以
private int position;
public StartBar(Context context) {
super(context);
}
public StartBar(Context context, AttributeSet attrs) {
super(context, attrs);
if (isInEditMode()) {
return;
}
initView(context, attrs);
}
public StartBar(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
if (isInEditMode()) {
return;
}
initView(context, attrs);
}
private void initView(Context context, AttributeSet attrs) {
this.context=context;
setOrientation(LinearLayout.HORIZONTAL);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.StartBar);
//是否需要显示分数 默认不需要
isNeedScore = a.getBoolean(R.styleable.StartBar_is_need_score, false);
//触摸评分 默认不可以
isNeedTouch = a.getBoolean(R.styleable.StartBar_is_need_touch, false);
//文本颜色
default_color = a.getResourceId(R.styleable.StartBar_text_color,R.color.public_orange);
//星星高度
default_height = a.getResourceId(R.styleable.StartBar_star_height,30);
a.recycle();
removeAllViews();
for(int i=0;i<5;i++){
ImageView imageView=new ImageView(context);
imageView.setTag(i);
imageView.setImageResource(R.drawable.selector_start);
imageView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if(!isNeedTouch){
return;
}
//修改选中的评分
ImageView imageView= (ImageView) v;
position = (int) imageView.getTag();
if(imageView.isSelected()){
setCore(position);
}else {
setCore(position+1);
}
}
});
addView(imageView);
}
scoreView = new TextView(context);
scoreView.setText("0.0分");
scoreView.setTextColor(getResources().getColor(default_color));
if(isNeedScore) scoreView.setVisibility(VISIBLE);
else scoreView.setVisibility(GONE);
addView(scoreView);
//如果没有绘制初始化 childAt.getLayoutParams(); 会为空
invalidate();
for(int i=0;iif(childAt instanceof ImageView){
ViewGroup.LayoutParams layoutParams = childAt.getLayoutParams();
layoutParams.height=default_height;
layoutParams.width=default_height;
childAt.setLayoutParams(layoutParams);
}
}
}
/**
* 设置分数
* @param score
*/
public void setCore(int score) {
scoreView.setText((double)(score)+"分");
for(int i=0;iif(i< score)
getChildAt(i).setSelected(true);
else getChildAt(i).setSelected(false);
}
invalidate();
}
/**
* 获取分数
*/
public int getScore(){
return position+1;
}
}
