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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)

2017-01-03 15:55 866 查看

一、项目目录结构

二、activity_main.xml代码

<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>

三、activity_splashscreen.xml代码

<?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>

四、SplashScreenActiviy.java代码

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 + ")");
}
}
}

五、MainActivity.java代码

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);
}
}

六、操作演示

以上所述是小编给大家介绍的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),希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持!

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