Android实现导航栏的左右滑动效果

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<RelativeLayout android:id="@id/titleBar" android:layout_width="fill_parent" android:layout_height="40.0dip"/>         //titlebar 内容         public NewsVideo()           {             String[] arrayOfString1 = new String[7];             arrayOfString1[0] = "推荐";             arrayOfString1[1] = "电视剧";             arrayOfString1[2] = "电影";             arrayOfString1[3] = "纪录片";             arrayOfString1[4] = "动画片";             arrayOfString1[5] = "综艺";             arrayOfString1[6] = "新闻";             this.strLblTile = arrayOfString1;             this.currentTitlePosition = 0;             this.oldTitlePosition = currentTitlePosition;           } //动态加载titleBar         LayoutInflater inflater= LayoutInflater.from(this);;         View view = inflater.inflate(R.layout.titlebar, null);         RelativeLayout localRelativeLayout2 = (RelativeLayout)this.findViewById(R.id.titleBar);         localRelativeLayout2.addView(view); //初始化titleBar         NewsVideo nv= new NewsVideo();         linearLayTitle=(LinearLayout) this.findViewById(R.id.linearLayTitle);         initTitleBar(); // private void initTitleBar()    {      TextView[] arrayOfTextView1 = new TextView[this.strLblTile.length];      this.lblArr = arrayOfTextView1;      Resources localResources = getResources();      for (int i = 0; ; ++i)      {        int j = this.lblArr.length;        if (i >= j)        {          TextView[] arrayOfTextView2 = this.lblArr;          int k = this.currentTitlePosition;          arrayOfTextView2[k].setTextColor(-1);          TextView[] arrayOfTextView3 = this.lblArr;          int l = this.currentTitlePosition;          arrayOfTextView3[l].setBackgroundResource(R.drawable.nav_light);          return;        }               TextView[] arrayOfTextView4 = this.lblArr;        TextView localTextView1 = new TextView(this);        arrayOfTextView4[i] = localTextView1;        TextView localTextView2 = this.lblArr[i];        int i1 = Mconst.screenwidth * 67 / 320;        ///System.out.println("i1  "+i1);        localTextView2.setWidth(i1);        TextView localTextView3 = this.lblArr[i];        int i2 = Mconst.screenheight * 40 / 480;        localTextView3.setHeight(i2);        //System.out.println("i2  "+i2);        this.lblArr[i].setTextSize(14);        this.lblArr[i].setGravity(17);        TextView localTextView4 = this.lblArr[i];        String str = this.strLblTile[i];        localTextView4.setText(str);        TextView localTextView5 = this.lblArr[i];        int i3 = localResources.getColor(R.color.white);        localTextView5.setTextColor(i3);        LinearLayout localLinearLayout = this.linearLayTitle;        TextView localTextView6 = this.lblArr[i];        //System.out.println("第"+i+"个"+lblArr[i].getText());        localLinearLayout.addView(localTextView6);        int i4 = i;        TextView localTextView7 = this.lblArr[i4];        localTextView7.setOnClickListener(new TitleBarListener(this,i4));      }    }        class TitleBarListener implements View.OnClickListener{                        int i;            Context con;         public TitleBarListener(NewsVideo newsVideo, int i4) {                 // TODO Auto-generated constructor stub                 con=newsVideo;                 this.i=i4;         }         @Override         public void onClick(View v) {                 // TODO Auto-generated method stub                 currentTitlePosition=i;                 if(currentTitlePosition!=oldTitlePosition){                         lblArr[oldTitlePosition].setBackgroundDrawable(null);                         oldTitlePosition=currentTitlePosition;                         lblArr[currentTitlePosition].setBackgroundResource(R.drawable.nav_light);                 }                 switch(currentTitlePosition){                 case 0:                 case 1:                 case 2:                 case 3:                 case 4:                 case 5:                 case 6:                         Toast.makeText(con, "您正在浏览 "+lblArr[currentTitlePosition].getText()+" 页面", Toast.LENGTH_SHORT).show();                         break;                 default:                         break;                 }          }    } 


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