本文实例为大家分享了android绘制多个黑竖线条展示的具体代码,供大家参考,具体内容如下
1.写一个LinearLayout的布局,将宽度写成5dp将高度写成match_parent.
2.在写一个类继承LinearLayout,用LayoutInflater实现子布局的在这个LinearLayout类中显示。
3.直接在需要使用的xml文件中调用我们写的这个class,注意路径要写全。
1.xml代码
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<? xml version = "1.0" encoding = "utf-8" ?>
< LinearLayout xmlns:android = "http://schemas.android.com/apk/res/android"
android:layout_width = "5dp"
android:layout_height = "match_parent"
android:background = "#000000"
>
</ LinearLayout >
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2.java代码
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package com.example.lenovo.myfragmentdemo3;
import android.content.Context;
import android.support.annotation.Nullable;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.widget.LinearLayout;
import com.example.lenovo.myfragmentdemo3.R;
/**
* Created by lenovo on 2018/5/7.
*/
public class Linedemo extends LinearLayout {
public Linedemo(Context context, @Nullable AttributeSet attrs) {
super (context, attrs);
LayoutInflater.from(context).inflate(R.layout.line, this );
}
}
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3.布局代码
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<? xml version = "1.0" encoding = "utf-8" ?>
< LinearLayout xmlns:android = "http://schemas.android.com/apk/res/android"
android:orientation = "horizontal"
android:layout_width = "match_parent"
android:layout_height = "match_parent"
android:padding = "10dp"
>
< com.example.lenovo.myfragmentdemo3.Linedemo
android:layout_width = "20dp"
android:layout_height = "match_parent"
android:layout_marginRight = "100dp" />
< com.example.lenovo.myfragmentdemo3.Linedemo
android:layout_width = "20dp"
android:layout_height = "match_parent"
android:layout_marginRight = "100dp" />
< com.example.lenovo.myfragmentdemo3.Linedemo
android:layout_width = "20dp"
android:layout_height = "match_parent"
android:layout_marginRight = "100dp" />
< com.example.lenovo.myfragmentdemo3.Linedemo
android:layout_width = "20dp"
android:layout_height = "match_parent"
android:layout_marginRight = "100dp" />
</ LinearLayout >
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运行效果:
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/qq_37217804/article/details/80231821