Android自定义控件

 1 package com.example.hello;
 2 
 3 import android.content.Context;
 4 import android.util.AttributeSet;
 5 import android.view.LayoutInflater;
 6 import android.widget.Button;
 7 import android.widget.RelativeLayout;
 8 import android.widget.TextView;
 9 
10 public class TitleBar extends RelativeLayout{
11 
12     private Button btn;
13     private TextView tvBackTitle,tvTitle;
14     public TitleBar(Context context) {
15         super(context);
16         initView(context);
17         
18     }
19     //一定要重写这个方法

20     public TitleBar(Context context, AttributeSet attrs) {
21         super(context, attrs);
22         initView(context);
23     }
24 
25     private void initView(Context context) {
26         LayoutInflater.from(context).inflate(R.layout.title, this);
27         btn = (Button) findViewById(R.id.btnManageMoneyIncomeSearch);
28         tvBackTitle = (TextView) findViewById(R.id.tv_backTitle);
29         tvTitle = (TextView) findViewById(R.id.tvTitle);
30     }
31     
32     public void setBackTitle(String title) {
33         tvBackTitle.setText(title);
34     }
35     
36     public void setTitle(String title) {
37         tvTitle.setText(title);
38     }
39     
40     public void setButtonText(String text) {
41         btn.setText(text);
42     }
43     
44     public void setTvBackTitleListener(OnClickListener listener) {
45         tvBackTitle.setOnClickListener(listener);
46     }
47     
48     public void setButtonListener(OnClickListener listener) {
49         btn.setOnClickListener(listener);
50     }
51 
52 }

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
     >

    <com.example.hello.TitleBar 
        android:id="@+id/tb_main_title"
        android:layout_height="wrap_content"
        android:layout_width="match_parent"/>
    
    
    
    
        
    

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="50dp"
    android:orientation="horizontal"
    android:background="#647b97"
    android:paddingLeft="5dp"
    android:paddingRight="5dp">
    
    <TextView
        android:id="@+id/tv_backTitle"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:drawableLeft="@drawable/arrow_blue"
        android:drawablePadding="5dp"
        android:gravity="center_vertical"
        android:text="账户设置"
        android:textColor="@android:color/white"
        android:textSize="15sp" />

    <TextView
        android:id="@+id/tvTitle"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_centerInParent="true"
        android:gravity="center_vertical"
        android:text="理财收益"
        android:textColor="@android:color/white"
        android:textSize="17sp" />

    <Button
        android:id="@+id/btnManageMoneyIncomeSearch"
        android:layout_width="50dp"
        android:layout_height="40dp"
        android:layout_alignParentRight="true"
        android:layout_centerVertical="true"
        android:background="#647b97"
        android:text="搜索" 
        android:textSize="15sp"
        android:textColor="@android:color/white"/>
    

</RelativeLayout>