自定义标题栏

来源：互联网发布：微软雅黑bold for mac 编辑：程序博客网时间：2024/06/13 11:23
public class TopBar extends RelativeLayout {    private ImageView left_iv,right_iv;    private TextView title_tv;    private LayoutParams leftParams,rightParams,titleParams;    private String title;       //标题    private int titleColor;     //标题颜色    private float titleSize;    //标题大小    private Drawable leftImageSrc;   //左侧图片    private Drawable rightImageSrc;  //左侧图片    private TopBarClickListener clickListener;    public TopBar(Context context) {        this(context,null);    }    public TopBar(Context context, AttributeSet attrs) {        this(context, attrs,0);    }    public TopBar(Context context, AttributeSet attrs, int defStyleAttr) {        super(context, attrs, defStyleAttr);        //获取自定义属性        TypedArray ta=context.obtainStyledAttributes(attrs, R.styleable.TopBar);        //取出对应的值        title=ta.getString(R.styleable.TopBar_title);        titleColor=ta.getColor(R.styleable.TopBar_titleColor,0x000);        titleSize=ta.getDimension(R.styleable.TopBar_titleSize,16f);        leftImageSrc=ta.getDrawable(R.styleable.TopBar_leftImageSrc);        rightImageSrc=ta.getDrawable(R.styleable.TopBar_rightImageSrc);        //调用recycle()  避免重复创建时有误        ta.recycle();        //初始化控件        left_iv=new ImageView(context);        right_iv=new ImageView(context);        title_tv=new TextView(context);        //给控件赋值        title_tv.setText(title);        title_tv.setTextColor(titleColor);        title_tv.setTextSize(titleSize);        title_tv.setGravity(Gravity.CENTER);        if(leftImageSrc!=null)        {            left_iv.setImageDrawable(leftImageSrc);        }        if(rightImageSrc!=null)        {            right_iv.setImageDrawable(rightImageSrc);        }        //为控件设置对应的布局        leftParams=new LayoutParams(                ViewGroup.LayoutParams.WRAP_CONTENT,                ViewGroup.LayoutParams.WRAP_CONTENT);        leftParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT,TRUE);        leftParams.addRule(RelativeLayout.CENTER_VERTICAL,TRUE);        leftParams.setMargins(30,0,0,0);        addView(left_iv,leftParams);        rightParams=new LayoutParams(                ViewGroup.LayoutParams.WRAP_CONTENT,                ViewGroup.LayoutParams.WRAP_CONTENT);        rightParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT,TRUE);        rightParams.addRule(RelativeLayout.CENTER_VERTICAL,TRUE);        rightParams.setMargins(0,0,30,0);        addView(right_iv,rightParams);        titleParams=new LayoutParams(                ViewGroup.LayoutParams.WRAP_CONTENT,                ViewGroup.LayoutParams.WRAP_CONTENT);        titleParams.addRule(RelativeLayout.CENTER_IN_PARENT,TRUE);        addView(title_tv,titleParams);    }    public void setOnTopBarClickListener(TopBarClickListener listener)    {        this.clickListener=listener;        left_iv.setOnClickListener(new OnClickListener() {            @Override            public void onClick(View view) {                clickListener.leftClick();            }        });        right_iv.setOnClickListener(new OnClickListener() {            @Override            public void onClick(View view) {                clickListener.rightClick();            }        });    }    public interface TopBarClickListener{        void leftClick();        void rightClick();    }}//style下的
参考：
http://blog.csdn.net/qq_39698152/article/details/78330972
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自定义 标题栏

自定义标题栏
