Android中闪屏实现方法小结(普通闪屏、倒计时闪屏、倒计时+动画闪屏)

<relativelayout xmlns:android="http://schemas.android.com/apk/res/android" 
  xmlns:tools="http://schemas.android.com/tools" 
  android:layout_width="match_parent" 
  android:layout_height="match_parent" 
  android:paddingbottom="@dimen/activity_vertical_margin" 
  android:paddingleft="@dimen/activity_horizontal_margin" 
  android:paddingright="@dimen/activity_horizontal_margin" 
  android:paddingtop="@dimen/activity_vertical_margin" 
  tools:context="com.zgs.splashscreenbyxml.mainactivity" > 
  <textview 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:text="主页面" /> 
</relativelayout> 

<?xml version="1.0" encoding="utf-8"?> 
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android" 
  android:layout_width="match_parent" 
  android:layout_height="match_parent" 
  android:background="@drawable/splash" 
  android:orientation="vertical"  
  android:id="@+id/ll_splashactivity"> 
  <textview 
    android:id="@+id/tv_countdown" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:layout_gravity="end" 
    android:layout_marginend="20dp" 
    android:layout_margintop="20dp" 
    android:textcolor="@android:color/white" 
    android:textsize="20sp" /> 
</linearlayout> 

package com.zgs.splashscreenbyxml; 
import android.app.activity; 
import android.content.intent; 
import android.os.bundle; 
import android.os.countdowntimer; 
import android.os.handler; 
import android.view.view; 
import android.view.window; 
import android.view.windowmanager; 
import android.view.animation.animation; 
import android.view.animation.animation.animationlistener; 
import android.view.animation.translateanimation; 
import android.widget.linearlayout; 
import android.widget.textview; 
import com.zgs.commonlysplashscreen.r; 
public class splashscreenactiviy extends activity { 
  private textview tv_countdown; 
  private linearlayout ll_splashactivity; 
  @override 
  protected void oncreate(bundle savedinstancestate) { 
    super.oncreate(savedinstancestate); 
    // 通过下面两行代码也可实现全屏无标题栏显示activity 
    // getwindow().setflags(windowmanager.layoutparams.flag_fullscreen, windowmanager.layoutparams.flag_fullscreen); 
    // this.requestwindowfeature(window.feature_no_title); 
    setcontentview(r.layout.activity_splashscreen); 
    tv_countdown = (textview) findviewbyid(r.id.tv_countdown); 
    ll_splashactivity = (linearlayout) findviewbyid(r.id.ll_splashactivity); 
    /******************************************************************************** 
     * 
     * 普通闪屏实现方式 
     * 
     * ******************************************************************************/ 
    /*new handler().postdelayed(new runnable() { 
      @override 
      public void run() { 
        intent intent = new intent(getapplicationcontext(), mainactivity.class); 
        startactivity(intent); 
        finish(); 
      } 
    }, 1000*4);*/ 
    /******************************************************************************** 
     * 
     * 倒计时闪屏实现方式 
     * 
     * ******************************************************************************/ 
    /*mycountdowntimer mc = new mycountdowntimer(4000, 1000); 
    mc.start(); 
    new handler().postdelayed(new runnable() { 
      @override 
      public void run() { 
        intent intent = new intent(getapplicationcontext(), mainactivity.class); 
        startactivity(intent); 
        finish(); 
      } 
    }, 1000*4);*/ 
    /******************************************************************************** 
     * 
     * 倒计时+动画闪屏实现方式 
     * 
     * ******************************************************************************/ 
    mycountdowntimer mc = new mycountdowntimer(4000, 1000);  
    mc.start(); 
    new handler().postdelayed(new runnable() { 
      @override 
      public void run() { 
        //左移动画 
        translateanimation ta = new translateanimation(animation.relative_to_parent, 0, animation.relative_to_parent, -1, animation.relative_to_parent, 0, animation.relative_to_parent, 0);  
        ta.setduration(2000); //设置动画执行的时间 
        ta.setfillafter(true);//当动画结束后 动画停留在结束位置,然后等启动主界面后将其销毁 
        ll_splashactivity.startanimation(ta); 
        ta.setanimationlistener(new animationlistener() { 
          @override 
          public void onanimationstart(animation arg0) { 
          } 
          @override 
          public void onanimationrepeat(animation arg0) { 
          } 
          @override 
          public void onanimationend(animation arg0) { 
            intent intent = new intent(getapplicationcontext(), mainactivity.class); 
            startactivity(intent); 
            finish(); 
          } 
        }); 
      } 
    }, 1000*4); 
  } 
  class mycountdowntimer extends countdowntimer {  
    //millisinfuture:倒计时的总数,单位毫秒 
    //例如 millisinfuture=1000;表示1秒 
    //countdowninterval:表示间隔多少毫秒,调用一次ontick方法() 
    //例如: countdowninterval =1000;表示每1000毫秒调用一次ontick() 
    public mycountdowntimer(long millisinfuture, long countdowninterval) {  
      super(millisinfuture, countdowninterval);  
    }  
    public void onfinish() {  
      tv_countdown.settext("开始跳转……"); 
    }  
    public void ontick(long millisuntilfinished) {  
      tv_countdown.settext("倒计时(" + millisuntilfinished / 1000 + ")"); 
    }  
  } 
} 

package com.zgs.splashscreenbyxml; 
import android.app.activity; 
import android.os.bundle; 
import com.zgs.commonlysplashscreen.r; 
public class mainactivity extends activity { 
  @override 
  protected void oncreate(bundle savedinstancestate) { 
    super.oncreate(savedinstancestate); 
    setcontentview(r.layout.activity_main); 
    //为了让闪屏结束后更自然的过度到主界面，去除主界面的启动动画，将下面函数的第一个参数设为0即可 
    overridependingtransition(0, 0); 
  } 
}