自定義通用的標題條目

原創 forwardyzk 2020-06-16 09:50

轉載請註明出處: http://blog.csdn.net/forwardyzk/article/details/43760891

在開發中在Activity，Fragment中，我們一般都會增加標題的展示，現在自定義一個控件，可以在每個界面都可以使用。下面先看一下效果圖：




使用的方法是自定義屬性，首先在res/values/attres.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <declare-styleable name="TitleView">
        <!--左側TextView屬性-->
        <attr name="title_LeftText" format="string"></attr>
        <attr name="title_LeftColor" format="color|reference"></attr>
        <attr name="title_LeftBg" format="color|reference"></attr>
        <attr name="title_LeftSize" format="dimension"></attr>
        <attr name="title_LeftPadding" format="dimension"></attr>
        <attr name="title_LeftPaddingLeft" format="dimension"></attr>
        <attr name="title_LeftPaddingRight" format="dimension"></attr>
        <attr name="title_LeftPaddingBottom" format="dimension"></attr>
        <attr name="title_LeftPaddingTop" format="dimension"></attr>
        <attr name="title_LeftMargin" format="dimension"></attr>
        <attr name="title_LeftMarginBottom" format="dimension"></attr>
        <attr name="title_LeftMarginTop" format="dimension"></attr>
        <attr name="title_LeftMarginLeft" format="dimension"></attr>
        <attr name="title_LeftMarginRight" format="dimension"></attr>
        <attr name="title_LeftVisibility">
            <enum name="GONE" value="0"></enum>
            <enum name="INVISIBLE" value="1"></enum>
            <enum name="VISIBLE" value="2"></enum>
        </attr>

        <!--右側TextView屬性-->
        <attr name="title_RightText" format="string"></attr>
        <attr name="title_RightColor" format="color|reference"></attr>
        <attr name="title_RightBg" format="color|reference"></attr>
        <attr name="title_RightSize" format="dimension"></attr>
        <attr name="title_RightPadding" format="dimension"></attr>
        <attr name="title_RightPaddingLeft" format="dimension"></attr>
        <attr name="title_RightPaddingRight" format="dimension"></attr>
        <attr name="title_RightPaddingBottom" format="dimension"></attr>
        <attr name="title_RightPaddingTop" format="dimension"></attr>
        <attr name="title_RightMargin" format="dimension"></attr>
        <attr name="title_RightMarginBottom" format="dimension"></attr>
        <attr name="title_RightMarginTop" format="dimension"></attr>
        <attr name="title_RightMarginLeft" format="dimension"></attr>
        <attr name="title_RightMarginRight" format="dimension"></attr>
        <attr name="title_RightVisibility">
            <enum name="GONE" value="0"></enum>
            <enum name="INVISIBLE" value="1"></enum>
            <enum name="VISIBLE" value="2"></enum>
        </attr>
        <!--中間TextView屬性-->
        <attr name="title_MiddleText" format="string"></attr>
        <attr name="title_MiddleColor" format="color|reference"></attr>
        <attr name="title_MiddleBg" format="color|reference"></attr>
        <attr name="title_MiddleSize" format="dimension"></attr>
        <attr name="title_MiddlePadding" format="dimension"></attr>
        <attr name="title_MiddlePaddingLeft" format="dimension"></attr>
        <attr name="title_MiddlePaddingRight" format="dimension"></attr>
        <attr name="title_MiddlePaddingBottom" format="dimension"></attr>
        <attr name="title_MiddlePaddingTop" format="dimension"></attr>
        <attr name="title_MiddleMargin" format="dimension"></attr>
        <attr name="title_MiddleMarginBottom" format="dimension"></attr>
        <attr name="title_MiddleMarginTop" format="dimension"></attr>
        <attr name="title_MiddleMarginLeft" format="dimension"></attr>
        <attr name="title_MiddleMarginRight" format="dimension"></attr>
        <attr name="title_MiddleVisibility">
            <enum name="GONE" value="0"></enum>
            <enum name="INVISIBLE" value="1"></enum>
            <enum name="VISIBLE" value="2"></enum>
        </attr>


    </declare-styleable>
</resources>


例如:<attr name="title_LeftColor" format="color|reference"></attr>可以是顏色色值，也可以是引用的背景資源文件
屬性有左側TextView,右側TextView和中間TextView

設置文本的顏色，大小，文本內容

設置TextView的背景

設置TextView的Padding，PaddinfLeft,PaddingRight,PaddingTop,PaddingBottom

設置TextView的Margin，MarginLeft，MarginRight，MarginTop，MarginBottom

設置TextView是否顯示


自定義TitleView繼承RelativeLayout

public class TitleView extends RelativeLayout {
    private Context mContext;
    private float DEFAULT_TEXT_SIZE = 20;
    private int DEFAULT_TEXT_COLOR = Color.BLACK;
    private float DEFAULT_PADDING = 2;
    private float DEFAULT_MARGIN = 0;
    private int GONE = 0;
    private int INVISIBLE = 1;
    private int VISIBLE = 2;

    //左側屬性
    private String leftText;
    private float leftSize;
    private int leftColor;
    private Drawable leftBg;
    private float leftPadding;
    private float leftPaddingLeft;
    private float leftPaddingRight;
    private float leftPaddingTop;
    private float leftPaddingBottom;
    private float leftMargin;
    private float leftMarginLeft;
    private float leftMarginRight;
    private float leftMarginBottom;
    private float leftMarginTop;
    //右側屬性
    private String rightText;
    private float rightSize;
    private int rightColor;
    private Drawable rightBg;
    private float rightPadding;
    private float rightPaddingLeft;
    private float rightPaddingRight;
    private float rightPaddingTop;
    private float rightPaddingBottom;
    private float rightMargin;
    private float rightMarginLeft;
    private float rightMarginRight;
    private float rightMarginBottom;
    private float rightMarginTop;
    //中間屬性
    private String middleText;
    private float middleSize;
    private int middleColor;
    private Drawable middleBg;
    private float middlePadding;
    private float middlePaddingLeft;
    private float middlePaddingRight;
    private float middlePaddingTop;
    private float middlePaddingBottom;
    private float middleMargin;
    private float middleMarginLeft;
    private float middleMarginRight;
    private float middleMarginBottom;
    private float middleMarginTop;
    private TextView leftTextView;
    private TextView rightTextView;
    private TextView middleTextView;


    private int leftVisibity;
    private int rightVisibity;
    private int middleVisibity;
    private OnClickTitleViewListener mOnClickTitleViewListener;

    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
    public TitleView(Context context, AttributeSet attrs) {
        super(context, attrs);
        mContext = context;
        TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.TitleView);
        // 獲取左側TextView屬性
        leftText = typedArray.getString(R.styleable.TitleView_title_LeftText);
        leftSize = typedArray.getDimension(R.styleable.TitleView_title_LeftSize, DEFAULT_TEXT_SIZE);
        leftColor = typedArray.getColor(R.styleable.TitleView_title_LeftColor, DEFAULT_TEXT_COLOR);
        leftBg = typedArray.getDrawable(R.styleable.TitleView_title_LeftBg);
        leftPadding = typedArray.getDimension(R.styleable.TitleView_title_LeftPadding, DEFAULT_PADDING);

        leftPaddingLeft = typedArray.getDimension(R.styleable.TitleView_title_LeftPaddingLeft, DEFAULT_PADDING);
        leftPaddingRight = typedArray.getDimension(R.styleable.TitleView_title_LeftPaddingRight, DEFAULT_PADDING);
        leftPaddingTop = typedArray.getDimension(R.styleable.TitleView_title_LeftPaddingTop, DEFAULT_PADDING);
        leftPaddingBottom = typedArray.getDimension(R.styleable.TitleView_title_LeftPaddingBottom, DEFAULT_PADDING);
        if (leftPadding != DEFAULT_PADDING) {
            leftPaddingLeft = leftPaddingRight = leftPaddingTop = leftPaddingBottom = leftPadding;
        }
        leftMargin = typedArray.getDimension(R.styleable.TitleView_title_LeftMargin, DEFAULT_MARGIN);
        leftMarginTop = typedArray.getDimension(R.styleable.TitleView_title_LeftMarginTop, DEFAULT_MARGIN);
        leftMarginBottom = typedArray.getDimension(R.styleable.TitleView_title_LeftMarginBottom, DEFAULT_MARGIN);
        leftMarginRight = typedArray.getDimension(R.styleable.TitleView_title_LeftMarginRight, DEFAULT_MARGIN);
        leftMarginLeft = typedArray.getDimension(R.styleable.TitleView_title_LeftMarginLeft, DEFAULT_MARGIN);
        if (leftMargin != DEFAULT_MARGIN) {
            leftMarginLeft = leftMarginRight = leftMarginTop = leftMarginBottom = leftMargin;
        }
        //獲取右側TextView屬性
        rightText = typedArray.getString(R.styleable.TitleView_title_RightText);
        rightSize = typedArray.getDimension(R.styleable.TitleView_title_RightSize, DEFAULT_TEXT_SIZE);
        rightColor = typedArray.getColor(R.styleable.TitleView_title_RightColor, DEFAULT_TEXT_COLOR);
        rightBg = typedArray.getDrawable(R.styleable.TitleView_title_RightBg);
        rightPadding = typedArray.getDimension(R.styleable.TitleView_title_RightPadding, DEFAULT_PADDING);

        rightPaddingLeft = typedArray.getDimension(R.styleable.TitleView_title_RightPaddingLeft, DEFAULT_PADDING);
        rightPaddingRight = typedArray.getDimension(R.styleable.TitleView_title_RightPaddingRight, DEFAULT_PADDING);
        rightPaddingTop = typedArray.getDimension(R.styleable.TitleView_title_RightPaddingTop, DEFAULT_PADDING);
        rightPaddingBottom = typedArray.getDimension(R.styleable.TitleView_title_RightPaddingBottom, DEFAULT_PADDING);
        if (rightPadding != DEFAULT_PADDING) {
            rightPaddingLeft = rightPaddingRight = rightPaddingTop = rightPaddingBottom = rightPadding;
        }
        rightMargin = typedArray.getDimension(R.styleable.TitleView_title_RightMargin, DEFAULT_MARGIN);

        rightMarginTop = typedArray.getDimension(R.styleable.TitleView_title_RightMarginTop, DEFAULT_MARGIN);
        rightMarginBottom = typedArray.getDimension(R.styleable.TitleView_title_RightMarginBottom, DEFAULT_MARGIN);
        rightMarginRight = typedArray.getDimension(R.styleable.TitleView_title_RightMarginRight, DEFAULT_MARGIN);
        rightMarginLeft = typedArray.getDimension(R.styleable.TitleView_title_RightMarginLeft, DEFAULT_MARGIN);
        if (rightMargin != DEFAULT_MARGIN) {
            rightMarginLeft = rightMarginRight = rightMarginTop = rightMarginBottom = rightMargin;
        }
        //中間TextView屬性
        middleText = typedArray.getString(R.styleable.TitleView_title_MiddleText);
        middleSize = typedArray.getDimension(R.styleable.TitleView_title_MiddleSize, DEFAULT_TEXT_SIZE);
        middleColor = typedArray.getColor(R.styleable.TitleView_title_MiddleColor, DEFAULT_TEXT_COLOR);
        middleBg = typedArray.getDrawable(R.styleable.TitleView_title_MiddleBg);
        middlePadding = typedArray.getDimension(R.styleable.TitleView_title_MiddlePadding, DEFAULT_PADDING);

        middlePaddingLeft = typedArray.getDimension(R.styleable.TitleView_title_MiddlePaddingLeft, DEFAULT_PADDING);
        middlePaddingRight = typedArray.getDimension(R.styleable.TitleView_title_MiddlePaddingRight, DEFAULT_PADDING);
        middlePaddingTop = typedArray.getDimension(R.styleable.TitleView_title_MiddlePaddingTop, DEFAULT_PADDING);
        middlePaddingBottom = typedArray.getDimension(R.styleable.TitleView_title_MiddlePaddingBottom, DEFAULT_PADDING);
        if (middlePadding != DEFAULT_PADDING) {
            middlePaddingLeft = middlePaddingRight = middlePaddingTop = middlePaddingBottom = middlePadding;
        }
        middleMargin = typedArray.getDimension(R.styleable.TitleView_title_MiddleMargin, DEFAULT_MARGIN);

        middleMarginTop = typedArray.getDimension(R.styleable.TitleView_title_MiddleMarginTop, DEFAULT_MARGIN);
        middleMarginBottom = typedArray.getDimension(R.styleable.TitleView_title_MiddleMarginBottom, DEFAULT_MARGIN);
        middleMarginRight = typedArray.getDimension(R.styleable.TitleView_title_MiddleMarginRight, DEFAULT_MARGIN);
        middleMarginLeft = typedArray.getDimension(R.styleable.TitleView_title_MiddleMarginLeft, DEFAULT_MARGIN);
        if (middleMargin != DEFAULT_MARGIN) {
            middleMarginLeft = middleMarginRight = middleMarginTop = middleMarginBottom = middleMargin;
        }
        //是否顯示
        middleVisibity = typedArray.getInt(R.styleable.TitleView_title_MiddleVisibility, VISIBLE);
        leftVisibity = typedArray.getInt(R.styleable.TitleView_title_LeftVisibility, VISIBLE);
        rightVisibity = typedArray.getInt(R.styleable.TitleView_title_RightVisibility, VISIBLE);
        initTextView();
        setAttributeSet();
        setTitleListener();
    }

    /**
     * init leftTextView,rightTextView,middleTextView
     */
    private void initTextView() {
        leftTextView = new TextView(mContext);
        rightTextView = new TextView(mContext);
        middleTextView = new TextView(mContext);
        //left
        LayoutParams leftParams = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
        leftParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT, TRUE);
        leftParams.addRule(RelativeLayout.CENTER_VERTICAL, TRUE);
        leftParams.setMargins((int) leftMargin, (int) leftMargin, (int) leftMargin, (int) leftMargin);
        leftParams.setMargins((int) leftMarginLeft, (int) leftMarginTop, (int) leftMarginRight, (int) leftMarginBottom);
        leftTextView.setLayoutParams(leftParams);
        leftTextView.setPadding((int) leftPadding, (int) leftPadding, (int) leftPadding, (int) leftPadding);
        leftTextView.setPadding((int) leftPaddingLeft, (int) leftPaddingTop, (int) leftPaddingRight, (int) leftPaddingBottom);

        //right
        LayoutParams rightParams = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
        rightParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT, TRUE);
        rightParams.addRule(RelativeLayout.CENTER_VERTICAL, TRUE);
        rightParams.setMargins((int) rightMargin, (int) rightMargin, (int) rightMargin, (int) rightMargin);
        rightParams.setMargins((int) rightMarginLeft, (int) rightMarginTop, (int) rightMarginRight, (int) rightMarginBottom);
        rightTextView.setLayoutParams(rightParams);
        rightTextView.setPadding((int) rightPadding, (int) rightPadding, (int) rightPadding, (int) rightPadding);
        rightTextView.setPadding((int) rightPaddingLeft, (int) rightPaddingTop, (int) rightPaddingRight, (int) rightPaddingBottom);
        //middle
        LayoutParams middleParams = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
        middleParams.addRule(RelativeLayout.CENTER_IN_PARENT, TRUE);
        middleParams.setMargins((int) middleMargin, (int) middleMargin, (int) middleMargin, (int) middleMargin);
        middleParams.setMargins((int) middleMarginLeft, (int) middleMarginTop, (int) middleMarginRight, (int) middleMarginBottom);
        middleTextView.setLayoutParams(middleParams);
        middleTextView.setPadding((int) middlePadding, (int) middlePadding, (int) middlePadding, (int) middlePadding);
        middleTextView.setPadding((int) middlePaddingLeft, (int) middlePaddingTop, (int) middlePaddingRight, (int) middlePaddingBottom);

        addView(leftTextView);
        addView(rightTextView);
        addView(middleTextView);
    }

    /**
     * set leftTextView,rightTextView,middleTextView AttributeSet
     */
    private void setAttributeSet() {
        //left
        leftTextView.setText(leftText);
        leftTextView.setTextSize(leftSize);
        leftTextView.setTextColor(leftColor);
        leftTextView.setBackground(leftBg);
        //right
        rightTextView.setText(rightText);
        rightTextView.setTextSize(rightSize);
        rightTextView.setTextColor(rightColor);
        rightTextView.setBackground(rightBg);
        //middle
        middleTextView.setText(middleText);
        middleTextView.setTextSize(middleSize);
        middleTextView.setTextColor(middleColor);
        middleTextView.setBackground(middleBg);
        setTextViewVisibility(middleTextView, middleVisibity);
        setTextViewVisibility(leftTextView, leftVisibity);
        setTextViewVisibility(rightTextView, rightVisibity);
    }

    /**
     * set leftTextView,rightTextView,middleTextView Visibility
     */
    private void setTextViewVisibility(TextView tv, int visibility) {
        if (visibility == GONE || visibility == View.GONE) {
            tv.setVisibility(View.GONE);
        } else if (visibility == INVISIBLE || visibility == View.INVISIBLE) {
            tv.setVisibility(View.INVISIBLE);
        } else if (visibility == VISIBLE || visibility == View.VISIBLE) {
            tv.setVisibility(View.VISIBLE);
        }
    }

    /**
     * set leftTextView,rightTextView,middleTextView OnClickListener
     */
    private void setTitleListener() {

        leftTextView.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                if (mOnClickTitleViewListener != null) {
                    mOnClickTitleViewListener.onClickLeft();
                }
            }
        });
        rightTextView.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                if (mOnClickTitleViewListener != null) {
                    mOnClickTitleViewListener.onClickRight();
                }
            }
        });
        middleTextView.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                if (mOnClickTitleViewListener != null) {
                    mOnClickTitleViewListener.onClickMiddle();
                }
            }
        });

    }

    public interface OnClickTitleViewListener {
        public void onClickLeft();

        public void onClickRight();

        public void onClickMiddle();
    }

    public void setOnClickTitleViewListener(OnClickTitleViewListener onClickTitleViewListener) {
        this.mOnClickTitleViewListener = onClickTitleViewListener;
    }

    /**
     * set leftTextView visibity
     *
     * @param visibity
     */
    public void setLeftVisibity(int visibity) {
        setTextViewVisibility(leftTextView, visibity);

    }

    /**
     * set rightTextView visibity
     *
     * @param visibity
     */
    public void setRightVisibity(int visibity) {
        setTextViewVisibility(rightTextView, visibity);

    }

    /**
     * set middleTextView visibity
     *
     * @param visibity
     */
    public void setMiddleVisibity(int visibity) {
        setTextViewVisibility(middleTextView, visibity);

    }

    /**
     * set left textview margins
     *
     * @param left
     * @param top
     * @param right
     * @param bottom
     */
    public void setLeftMargins(int left, int top, int right, int bottom) {
        LayoutParams layoutParams = (LayoutParams) leftTextView.getLayoutParams();
        layoutParams.setMargins(left, top, right, bottom);
        leftTextView.setLayoutParams(layoutParams);
    }

    /**
     * set right textview margins
     *
     * @param left
     * @param top
     * @param right
     * @param bottom
     */
    public void setRightMargins(int left, int top, int right, int bottom) {
        LayoutParams layoutParams = (LayoutParams) rightTextView.getLayoutParams();
        layoutParams.setMargins(left, top, right, bottom);
        rightTextView.setLayoutParams(layoutParams);
    }

    /**
     * set middle textview margins
     *
     * @param left
     * @param top
     * @param right
     * @param bottom
     */
    public void setMiddleMargins(int left, int top, int right, int bottom) {
        LayoutParams layoutParams = (LayoutParams) middleTextView.getLayoutParams();
        layoutParams.setMargins(left, top, right, bottom);
        middleTextView.setLayoutParams(layoutParams);
    }

    /**
     * set left textview padding
     *
     * @param left
     * @param top
     * @param right
     * @param bottom
     */
    public void setLeftPadding(int left, int top, int right, int bottom) {
        leftTextView.setPadding(left, top, right, bottom);
    }

    /**
     * set right textview padding
     *
     * @param left
     * @param top
     * @param right
     * @param bottom
     */
    public void setRightPadding(int left, int top, int right, int bottom) {
        rightTextView.setPadding(left, top, right, bottom);
    }

    /**
     * set middle textview padding
     *
     * @param left
     * @param top
     * @param right
     * @param bottom
     */
    public void setMiddlePadding(int left, int top, int right, int bottom) {
        middleTextView.setPadding(left, top, right, bottom);
    }


    /**
     * set left TextView show text
     *
     * @param leftText
     */
    public void setLeftText(String leftText) {
        leftTextView.setText(leftText);
    }

    /**
     * set left TextView textSize
     *
     * @param leftTextSize
     */
    public void setLeftTextSize(float leftTextSize) {
        leftTextView.setTextSize(leftTextSize);
    }

    /**
     * set left TextView textColor
     *
     * @param leftTextColor
     */
    public void setLeftTextColor(int leftTextColor) {
        leftTextView.setTextColor(leftTextColor);
    }

    /**
     * set left TextView background
     *
     * @param leftBg
     */
    public void setLeftBg(Drawable leftBg) {
        leftTextView.setBackground(leftBg);
    }

    /**
     * set left TextView BackgroundResource
     *
     * @param leftBgResourceId
     */
    public void setLeftBgResource(int leftBgResourceId) {
        leftTextView.setBackgroundResource(leftBgResourceId);
    }

    /**
     * set left TextView BackgroundColor
     *
     * @param leftBgColor
     */
    public void setLeftBgColor(int leftBgColor) {
        leftTextView.setBackgroundColor(leftBgColor);
    }


    /**
     * set right TextView show text
     *
     * @param rightText
     */
    public void setRightText(String rightText) {
        rightTextView.setText(rightText);
    }

    /**
     * set right TextView textSize
     *
     * @param rightTextSize
     */
    public void setRightTextSize(float rightTextSize) {
        rightTextView.setTextSize(rightTextSize);
    }

    /**
     * set right TextView textColor
     *
     * @param rightTextColor
     */
    public void setRightTextColor(int rightTextColor) {
        rightTextView.setTextColor(rightTextColor);
    }

    /**
     * set right TextView background
     *
     * @param rightBg
     */
    public void setRightBg(Drawable rightBg) {
        rightTextView.setBackground(rightBg);
    }

    /**
     * set right TextView BackgroundResource
     *
     * @param rightBgResourceId
     */
    public void setRightBgResource(int rightBgResourceId) {
        rightTextView.setBackgroundResource(rightBgResourceId);
    }

    /**
     * set right TextView BackgroundColor
     *
     * @param rightBgColor
     */
    public void setRightBgColor(int rightBgColor) {
        rightTextView.setBackgroundColor(rightBgColor);
    }


    /**
     * set middle TextView show text
     *
     * @param middleText
     */
    public void setMiddleText(String middleText) {
        middleTextView.setText(middleText);
    }

    /**
     * set middle TextView textSize
     *
     * @param middleTextSize
     */
    public void setMiddleTextSize(float middleTextSize) {
        middleTextView.setTextSize(middleTextSize);
    }

    /**
     * set middle TextView textColor
     *
     * @param middleTextColor
     */
    public void setMiddleTextColor(int middleTextColor) {
        middleTextView.setTextColor(middleTextColor);
    }

    /**
     * set middle TextView background
     *
     * @param middleBg
     */
    public void setMiddleBg(Drawable middleBg) {
        middleTextView.setBackground(middleBg);
    }

    /**
     * set middle TextView BackgroundResource
     *
     * @param middleBgResourceId
     */
    public void setMiddleBgResource(int middleBgResourceId) {
        middleTextView.setBackgroundResource(middleBgResourceId);
    }

    /**
     * set middle TextView BackgroundColor
     *
     * @param middleBgColor
     */
    public void setMiddleBgColor(int middleBgColor) {
        middleTextView.setBackgroundColor(middleBgColor);
    }
}


使用代碼創建TextView：

leftTextView = new TextView(mContext);

設置位置和大小:

 LayoutParams leftParams = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
 leftTextView.setLayoutParams(leftParams);
獲取屬性的類型數組:

ypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.TitleView);

獲取設置的字符串文本內容:

typedArray.getString(R.styleable.TitleView_title_LeftText);

獲取文本的大小和間距(Padding,Margin)：

typedArray.getDimension(R.styleable.TitleView_title_LeftSize, DEFAULT_TEXT_SIZE);

獲取設置的顏色，例如文本的顏色：

typedArray.getColor(R.styleable.TitleView_title_LeftColor, DEFAULT_TEXT_COLOR);

獲取設置的背景：

typedArray.getDrawable(R.styleable.TitleView_title_LeftBg);

獲取是否顯示：

typedArray.getInt(R.styleable.TitleView_title_MiddleVisibility, VISIBLE);

使用代碼設置自定義的屬性對應的值

就以左側TextView爲例

設置是否顯示:

 public void setLeftVisibity(int visibity) 

設置控件之間間距:

 public void setLeftMargins(int left, int top, int right, int bottom)

設置內間距:

 public void setLeftPadding(int left, int top, int right, int bottom)

設置文本內容:

public void setLeftText(String leftText)

設置文本大小:

 public void setLeftTextSize(float leftTextSize)

設置文本顏色:

 public void setLeftTextColor(int leftTextColor)

設置背景圖片:

 public void setLeftBg(Drawable leftBg)

設置背景資源:

public void setLeftBgResource(int leftBgResourceId)

設置背景顏色:

 public void setLeftBgColor(int leftBgColor)

注意點

1.如果在調用處設置了Padding，同時也設置了PaddingLeft，PaddingRight，PaddingTop，PaddingBottom，那麼以Padding爲準，如果只設置一個方向，那麼就不要設置Padding屬性

2.如果在調用處設置了Margin，同時也設置了MarginLeft，MarginRight，MarginTop，MarginBottom，那麼以Margin爲準，如果只設置一個方向，那麼就不要設置Padding屬性

從這個就可以看出:

if (middleMargin != DEFAULT_MARGIN) {
            middleMarginLeft = middleMarginRight = middleMarginTop = middleMarginBottom = middleMargin;
        }
 if (middlePadding != DEFAULT_PADDING) {
            middlePaddingLeft = middlePaddingRight = middlePaddingTop = middlePaddingBottom = middlePadding;
        }



TitleView中三個TextView設置點擊事件：

setOnClickTitleViewListener(OnClickTitleViewListener onClickTitleViewListener)

public interface OnClickTitleViewListener {
        public void onClickLeft();

        public void onClickRight();

        public void onClickMiddle();
    }
public void setOnClickTitleViewListener(OnClickTitleViewListener onClickTitleViewListener) {
        this.mOnClickTitleViewListener = onClickTitleViewListener;
    }

private void setTitleListener() {

        leftTextView.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                if (mOnClickTitleViewListener != null) {
                    mOnClickTitleViewListener.onClickLeft();
                }
            }
        });
        rightTextView.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                if (mOnClickTitleViewListener != null) {
                    mOnClickTitleViewListener.onClickRight();
                }
            }
        });
        middleTextView.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                if (mOnClickTitleViewListener != null) {
                    mOnClickTitleViewListener.onClickMiddle();
                }
            }
        });

    }


在調用處，如果設置點擊事件，那麼就要實現這個三個方法。onClickLeft(),onClickRight(),onClickMiddle()



使用步驟:

activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:title="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <com.example.administrator.titleviewdemo.view.TitleView
                android:layout_marginBottom="20dp"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                title:title_LeftText="left"
                title:title_MiddleText="title"
                title:title_RightText="right"
                title:title_MiddleSize="20sp"
                title:title_LeftSize="15sp"
                title:title_LeftColor="@android:color/holo_red_dark"
                title:title_RightColor="@android:color/holo_red_dark"
                title:title_MiddleColor="@android:color/holo_green_dark"
                android:background="@android:color/holo_blue_dark">

            </com.example.administrator.titleviewdemo.view.TitleView>


            <com.example.administrator.titleviewdemo.view.TitleView
                android:layout_marginBottom="20dp"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                title:title_LeftText="left"
                title:title_MiddleText="title"
                title:title_MiddleSize="25sp"
                title:title_LeftSize="20sp"
                title:title_RightSize="10sp"
                title:title_RightText="right"
                title:title_LeftVisibility="GONE"
                title:title_RightPaddingRight="20dp"
                title:title_LeftColor="@android:color/holo_red_dark"
                title:title_RightColor="@android:color/holo_red_dark"
                title:title_MiddleColor="@android:color/holo_green_dark"
                android:background="@android:color/holo_blue_dark">

            </com.example.administrator.titleviewdemo.view.TitleView>

            <com.example.administrator.titleviewdemo.view.TitleView
                android:layout_marginBottom="20dp"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                title:title_LeftText="left"
                title:title_MiddleText="title"
                title:title_MiddleSize="30sp"
                title:title_LeftSize="25sp"
                title:title_RightSize="20sp"
                title:title_RightText="right"
                title:title_RightVisibility="GONE"
                title:title_LeftPaddingLeft="20dp"
                title:title_LeftColor="@android:color/holo_red_dark"
                title:title_RightColor="@android:color/holo_red_dark"
                title:title_MiddleColor="@android:color/holo_green_dark"
                android:background="@android:color/holo_blue_dark">

            </com.example.administrator.titleviewdemo.view.TitleView>

            <com.example.administrator.titleviewdemo.view.TitleView
                android:layout_marginBottom="20dp"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                title:title_LeftText="left"
                title:title_MiddleText="title"
                title:title_MiddleSize="35sp"
                title:title_RightText="right"
                title:title_MiddleVisibility="GONE"
                title:title_LeftMargin="10dp"
                title:title_RightMarginRight="10dp"
                title:title_LeftColor="@android:color/holo_red_dark"
                title:title_RightColor="@android:color/holo_red_dark"
                title:title_MiddleColor="@android:color/holo_green_dark"
                android:background="@android:color/holo_blue_dark">

            </com.example.administrator.titleviewdemo.view.TitleView>

            <com.example.administrator.titleviewdemo.view.TitleView
                android:id="@+id/title_view"
                android:paddingLeft="10dp"
                android:paddingRight="10dp"
                android:layout_marginBottom="10dp"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                title:title_MiddleText="title"
                title:title_MiddleSize="40sp"
                title:title_MiddleColor="@android:color/black"
                title:title_LeftBg="@drawable/left"
                title:title_RightBg="@drawable/right"
                android:background="@android:color/holo_blue_dark">

            </com.example.administrator.titleviewdemo.view.TitleView>

            <com.example.administrator.titleviewdemo.view.TitleView
                android:paddingLeft="10dp"
                android:paddingRight="10dp"
                android:layout_marginBottom="10dp"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                title:title_MiddleText="title"
                title:title_MiddleSize="45sp"
                title:title_MiddleColor="@android:color/holo_green_dark"
                title:title_LeftBg="@drawable/left"
                title:title_RightBg="@drawable/right"
                title:title_LeftVisibility="GONE"
                android:background="@android:color/darker_gray">

            </com.example.administrator.titleviewdemo.view.TitleView>

            <com.example.administrator.titleviewdemo.view.TitleView
                android:paddingLeft="10dp"
                android:paddingRight="10dp"
                android:layout_marginBottom="10dp"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                title:title_MiddleText="title"
                title:title_MiddleSize="50sp"
                title:title_MiddleColor="@android:color/holo_green_dark"
                title:title_LeftBg="@drawable/left"
                title:title_RightBg="@drawable/right"
                title:title_RightVisibility="GONE"
                android:background="@android:color/holo_blue_dark">

            </com.example.administrator.titleviewdemo.view.TitleView>

            <com.example.administrator.titleviewdemo.view.TitleView
                android:paddingLeft="10dp"
                android:paddingRight="10dp"
                android:layout_marginBottom="10dp"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                title:title_MiddleText="title"
                title:title_MiddleSize="55sp"
                title:title_MiddleColor="@android:color/holo_green_dark"
                title:title_LeftBg="@drawable/left"
                title:title_RightBg="@drawable/right"
                title:title_MiddleVisibility="GONE"
                android:background="@android:color/darker_gray">

            </com.example.administrator.titleviewdemo.view.TitleView>
        </LinearLayout>
    </ScrollView>


</LinearLayout>

在跟節點中要寫入xmlns:title="http://schemas.android.com/apk/res-auto"，如果是在eclipse，res-auto要換成res/完整的應用包名

title是名字隨便命名，

<com.example.administrator.titleviewdemo.view.TitleView//完整的包名+類名           
                title:title_LeftText="left"
                title:title_MiddleText="title"
                title:title_RightText="right"
                title:title_MiddleSize="20sp" >
</com.example.administrator.titleviewdemo.view.TitleView>

title:前綴  title_LeftText屬性

MainActivity.java

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        TitleView titleView = (TitleView) findViewById(R.id.title_view);
        //設置點擊事件
        titleView.setOnClickTitleViewListener(new TitleView.OnClickTitleViewListener() {
            @Override
            public void onClickLeft() {
                Toast.makeText(getApplicationContext(), "click-left", Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onClickRight() {
                Toast.makeText(getApplicationContext(), "click-right", Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onClickMiddle() {
                Toast.makeText(getApplicationContext(), "click-middle", Toast.LENGTH_SHORT).show();
            }
        });
        //使用代碼設置中間TextView的間距
        titleView.setMiddleMargins(0, 10, 0, 10);

    }


}


源碼下載: http://download.csdn.net/detail/forwardyzk/8442549



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