Splash 页面

来源：互联网发布：mac os x 10.6.8 编辑：程序博客网时间：2024/05/01 00:52

public class Splash extends Activity implements Runnable{

   private final int SPLASH_DISPLAY_LENGHT = 3000; // 毫秒
   private Thread mThread;//线程

   @Override
   public void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       //=================================手写布局视图==========================================
       LayoutParams parms = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);//布局参数parms

       LinearLayout panel = new LinearLayout(this);//线性布局
       panel.setOrientation(LinearLayout.VERTICAL);//竖直的

       //----------------------------------------设置ImageView -------------------------------------------------------
       /**
       * 设置ImageView
       */
       LayoutParams parm1 = new LayoutParams(LayoutParams.WRAP_CONTENT, 0);//宽包裹，高度为零
       parm1.weight = 1;//权重为1
       parm1.gravity = Gravity.CENTER;//居中
       parm1.bottomMargin = getDimensionPixelSize(50);//底部外边距

       ImageView iv = new ImageView(this);
       iv.setLayoutParams(parm1);//把参数1设置给ImageView
       iv.setImageResource(R.drawable.splash);//图片资源
       iv.setScaleType(ScaleType.CENTER);//居中
       panel.addView(iv);//把图片放到线性布局panel里面
       //---------------------------------------设置ImageView --------------------------------------------------------

       //---------------------------------------设置TextView----------------------------------------------------------
       /**
       * 设置TextView
       */
       LayoutParams parm2 = new LayoutParams(LayoutParams.WRAP_CONTENT, getDimensionPixelSize(50));//布局参数parm2
       parm2.weight = 0;//权重为零
       parm2.gravity = Gravity.CENTER;//居中

       TextView tv = new TextView(this);
       tv.setLayoutParams(parm2);//把参数2设置给TextView
       tv.setTextSize(10.0f);//文字大小
       tv.setTextColor(0xFF999999);//文字颜色
       tv.setText("设置文本");
       panel.addView(tv);//把文本放到线性布局panel里面
       //--------------------------------------设置TextView------------------------------------------------------------


       setContentView(panel, parms);//显示到Activity上面
       //=================================手写布局视图==========================================

       mThread = new Thread(this);
       mThread.start();//启动一个线程
   }

   private int getDimensionPixelSize(int value){
       return (int)(value * (this.getResources().getDisplayMetrics().density) + 0.5f);
   }

   @Override
   public void run() {

       SystemClock.sleep(SPLASH_DISPLAY_LENGHT); //睡3000 毫秒

       this.runOnUiThread(new Runnable(){
           @Override
           public void run() {
               jump();//调用跳转页面的方法
           }});

       /*-----------------------------------*/
       //启动服务Server

       /*-----------------------------------*/
   }

       /**
   * 跳转指定页
   */
   public void jump() {
       Intent mIntent = new Intent(Splash.this, MainActivity.class);
       Splash.this.startActivity(mIntent);
       Splash.this.finish();//结束当前Splash页面
   }


   @Override
   protected void onDestroy() {
       super.onDestroy();
       mThread = null;
   }


}

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