Android设计模式之Builder模式详解

public class TabInfoBean { private int count;//Tab的个数 必选 private int currentTab;//默认选中的tab 必选 private String[] tabText;//文字必选 private int normalResId;//可选 private int selectResId;//可选 private int normalTextColor;//可选 private int selectTextColor;//可选 private int normalTextSizeSp;//可选 private int selectTextSizeSp;//可选 private TabInfoBean(TabInfoBuilder builder) {  this.tabText = builder.tabText;  this.count = builder.count;  this.currentTab = builder.currentTab;  this.normalResId = builder.normalResId;  this.selectResId = builder.selectResId;  this.normalTextColor = builder.normalTextColor;  this.selectTextColor = builder.selectTextColor;  this.normalTextSizeSp = builder.normalTextSizeSp;  this.selectTextSizeSp = builder.selectTextSizeSp; } public int getCount() {  return count; } public void setCount(int count) {  this.count = count; } public int getCurrentTab() {  return currentTab; } public void setCurrentTab(int currentTab) {  this.currentTab = currentTab; } public int getNormalResId() {  return normalResId; } public void setNormalResId(int normalResId) {  this.normalResId = normalResId; } public int getSelectResId() {  return selectResId; } public void setSelectResId(int selectResId) {  this.selectResId = selectResId; } public int getNormalTextColor() {  return normalTextColor; } public void setNormalTextColor(int normalTextColor) {  this.normalTextColor = normalTextColor; } public int getSelectTextColor() {  return selectTextColor; } public void setSelectTextColor(int selectTextColor) {  this.selectTextColor = selectTextColor; } public String[] getTabText() {  return tabText; } public void setTabText(String[] tabText) {  this.tabText = tabText; } public int getNormalTextSizeSp() {  return normalTextSizeSp; } public void setNormalTextSizeSp(int normalTextSizeSp) {  this.normalTextSizeSp = normalTextSizeSp; } public int getSelectTextSizeSp() {  return selectTextSizeSp; } public void setSelectTextSizeSp(int selectTextSizeSp) {  this.selectTextSizeSp = selectTextSizeSp; } public static class TabInfoBuilder {  private int count;  private int currentTab;  private String[] tabText;  private int normalResId;  private int selectResId;  private int normalTextColor;  private int selectTextColor;  private int normalTextSizeSp;//可选  private int selectTextSizeSp;//可选  public TabInfoBuilder(String[] tabText, int count, int currentTab) {   this.tabText = tabText;   this.count = count;   this.currentTab = currentTab;  }  public TabInfoBuilder setNormalResId(int normalResId) {   this.normalResId = normalResId;   return this;  }  public TabInfoBuilder setSelectResId(int selectResId) {   this.selectResId = selectResId;   return this;  }  public TabInfoBuilder setNormalTextColor(int normalTextColor) {   this.normalTextColor = normalTextColor;   return this;  }  public TabInfoBuilder setSelectTextColor(int selectTextColor) {   this.selectTextColor = selectTextColor;   return this;  }  public TabInfoBuilder setNormalTextSizeSp(int size) {   this.normalTextSizeSp = size;   return this;  }  public TabInfoBuilder setSelectTextSizeSp(int size) {   this.selectTextSizeSp = size;   return this;  }  public TabInfoBean build() {   return new TabInfoBean(this);  } }}

String[] name={"我","是","谁"};  TabInfoBean.TabInfoBuilder tabInfoBuilder=new TabInfoBean.TabInfoBuilder(name,5,0);  /* TabInfoBean tabInfoBean=tabInfoBuilder    .setNormalResId()    .setSelectResId()    .setNormalTextColor()    .setSelectTextColor()    .setNormalTextSizeSp()    .setSelectTextSizeSp()    .build();*/