image.png
第一步：
在values下面新建attrs文件，設(shè)置屬性
<?xml version="1.0" encoding="utf-8"?>
<resources>
<declare-styleable name="TitlebarView">
<attr name="leftText" format="string"/>
<attr name="leftTextColor" format="color"/>
<attr name="centerTextColor" format="color"/>
<attr name="centerTitle" format="string"/>
<attr name="rightTextColor" format="color"/>
<attr name="rightText" format="string"/>
<attr name="leftDrawble" format="reference"/>
<attr name="rightDrawable" format="reference"/>
</declare-styleable>
</resources>
主要設(shè)置內(nèi)容，顏色，圖片等
第二步：
設(shè)置標題欄的布局文件
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/layout_title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@android:color/transparent"
android:orientation="vertical">
<LinearLayout
android:id="@+id/layout_left"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_alignParentLeft="true"
android:gravity="center"
android:orientation="horizontal"
android:paddingLeft="@dimen/size_8"
android:paddingRight="@dimen/size_8">
<ImageView
android:id="@+id/iv_left"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:contentDescription="@null"
android:scaleType="centerInside" />
<TextView
android:id="@+id/tv_left"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:maxLength="4"
android:maxLines="1"
android:paddingLeft="@dimen/size_8" />
</LinearLayout>
<TextView
android:id="@+id/tv_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:gravity="center"
android:maxLength="10"
android:maxLines="1" />
<LinearLayout
android:id="@+id/layout_right"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_alignParentRight="true"
android:gravity="center"
android:paddingLeft="@dimen/size_8"
android:paddingRight="@dimen/size_8">
<TextView
android:id="@+id/tv_right"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:maxLines="1" />
<ImageView
android:id="@+id/iv_right"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:contentDescription="@null"
android:scaleType="centerInside" />
</LinearLayout>
</RelativeLayout>
這里的布局文件是通用的布局文件碱工，需要對此布局根據(jù)自己的需求進行配置娃承，這個就需要自定義View了
第三步：
自定義TitleBar奏夫，主要進行引用布局，初始化view历筝，拿到自定義屬性進行相應配置
public TitlebarView(final Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
LayoutInflater.from(context).inflate(R.layout.layout_title, this);
initView();
TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.TitlebarView, defStyleAttr, 0);
int count = array.getIndexCount();
for (int i = 0; i < count; i++) {
int attr = array.getIndex(i);
switch (attr) {
case R.styleable.TitlebarView_leftTextColor:
tv_left.setTextColor(array.getColor(attr, Color.BLACK));
break;
case R.styleable.TitlebarView_leftDrawble:
iv_left.setImageResource(array.getResourceId(attr, 0));
break;
case R.styleable.TitlebarView_leftText:
tv_left.setText(array.getString(attr));
break;
case R.styleable.TitlebarView_centerTextColor:
tv_title.setTextColor(array.getColor(attr, Color.BLACK));
break;
case R.styleable.TitlebarView_centerTitle:
tv_title.setText(array.getString(attr));
break;
case R.styleable.TitlebarView_rightDrawable:
iv_right.setImageResource(array.getResourceId(attr, 0));
break;
case R.styleable.TitlebarView_rightText:
tv_right.setText(array.getString(attr));
break;
case R.styleable.TitlebarView_rightTextColor:
tv_right.setTextColor(array.getColor(attr, Color.BLACK));
break;
}
}
array.recycle();
}
然后我們需要添加左側(cè)酗昼，右側(cè)的點擊事件，由于一般反饋點擊范圍太小梳猪，導致點擊靈敏性較差麻削，所以這里全部設(shè)置對左側(cè)，右側(cè)布局進行監(jiān)聽春弥，而不是單個控件
設(shè)置回調(diào)接口
private onViewClick mClick;
public void setOnViewClick(onViewClick click) {
this.mClick = click;
}
public interface onViewClick {
void leftClick();
void rightClick();
}
在調(diào)用的時候拿到自定義view對象setOnViewClick即可
全部代碼如下：
package com.example.testing.mycustomview;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Color;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;
/**
* Created by Administrator on 2017/7/18.
*/
public class TitlebarView extends RelativeLayout {
private LinearLayout layout_left, layout_right;
private TextView tv_left, tv_title, tv_right;
private ImageView iv_left, iv_right;
private onViewClick mClick;
public TitlebarView(Context context) {
this(context, null);
}
public TitlebarView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public TitlebarView(final Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
LayoutInflater.from(context).inflate(R.layout.layout_title, this);
initView();
TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.TitlebarView, defStyleAttr, 0);
int count = array.getIndexCount();
for (int i = 0; i < count; i++) {
int attr = array.getIndex(i);
switch (attr) {
case R.styleable.TitlebarView_leftTextColor:
tv_left.setTextColor(array.getColor(attr, Color.BLACK));
break;
case R.styleable.TitlebarView_leftDrawble:
iv_left.setImageResource(array.getResourceId(attr, 0));
break;
case R.styleable.TitlebarView_leftText:
tv_left.setText(array.getString(attr));
break;
case R.styleable.TitlebarView_centerTextColor:
tv_title.setTextColor(array.getColor(attr, Color.BLACK));
break;
case R.styleable.TitlebarView_centerTitle:
tv_title.setText(array.getString(attr));
break;
case R.styleable.TitlebarView_rightDrawable:
iv_right.setImageResource(array.getResourceId(attr, 0));
break;
case R.styleable.TitlebarView_rightText:
tv_right.setText(array.getString(attr));
break;
case R.styleable.TitlebarView_rightTextColor:
tv_right.setTextColor(array.getColor(attr, Color.BLACK));
break;
}
}
array.recycle();
layout_left.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
mClick.leftClick();
}
});
layout_right.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
mClick.rightClick();
}
});
}
private void initView() {
tv_left = findViewById(R.id.tv_left);
tv_title = findViewById(R.id.tv_title);
tv_right = findViewById(R.id.tv_right);
iv_left = findViewById(R.id.iv_left);
iv_right = findViewById(R.id.iv_right);
layout_left = findViewById(R.id.layout_left);
layout_right = findViewById(R.id.layout_right);
}
public void setOnViewClick(onViewClick click) {
this.mClick = click;
}
//設(shè)置標題
public void setTitle(String title) {
if (!TextUtils.isEmpty(title)) {
tv_title.setText(title);
}
}
//設(shè)置左標題
public void setLeftText(String title) {
if (!TextUtils.isEmpty(title)) {
tv_left.setText(title);
}
}
//設(shè)置右標題
public void setRightText(String title) {
if (!TextUtils.isEmpty(title)) {
tv_right.setText(title);
}
}
//設(shè)置標題大小
public void setTitleSize(int size) {
if (tv_title != null) {
tv_title.setTextSize(TypedValue.COMPLEX_UNIT_SP, size);
}
}
//設(shè)置左標題大小
public void setLeftTextSize(int size) {
if (tv_left != null) {
tv_left.setTextSize(TypedValue.COMPLEX_UNIT_SP, size);
}
}
//設(shè)置右標題大小
public void setRightTextSize(int size) {
if (tv_right != null) {
tv_right.setTextSize(TypedValue.COMPLEX_UNIT_SP, size);
}
}
//設(shè)置左圖標
public void setLeftDrawable(int res) {
if (iv_left != null) {
iv_left.setImageResource(res);
}
}
//設(shè)置右圖標
public void setRightDrawable(int res) {
if (iv_right != null) {
iv_right.setImageResource(res);
}
}
public interface onViewClick {
void leftClick();
void rightClick();
}
}
引用如下：
<com.example.testing.mycustomview.TitlebarView
android:id="@+id/title"
android:layout_width="match_parent"
android:layout_height="48dp"
android:background="@color/colorAccent"
app:centerTitle="自定義標題"
app:centerTextColor="#FFF"
app:leftDrawble="@drawable/ic_write_back"
app:leftTextColor="#FFF"
app:leftText="返回"
app:rightDrawable="@android:drawable/ic_btn_speak_now"
app:rightText="語音"
app:rightTextColor="#FFF"
/>
代碼中調(diào)用：
TitlebarView titlebarView= (TitlebarView) findViewById(R.id.title);
titlebarView.setTitleSize(20);
titlebarView.setTitle("標題欄");
titlebarView.setOnViewClick(new TitlebarView.onViewClick() {
@Override
public void leftClick() {
Toast.makeText(MainActivity.this,"左邊",Toast.LENGTH_SHORT).show();
}
@Override
public void rightClick() {
Toast.makeText(MainActivity.this,"右邊",Toast.LENGTH_SHORT).show();
}
});
