package com.example.spinnertest; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.view.animation.AlphaAnimation; import android.view.animation.Animation; import android.view.animation.Animation.AnimationListener; public class WelcomeActivity extends Activity{ @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams. FLAG_FULLSCREEN , WindowManager.LayoutParams. FLAG_FULLSCREEN); setContentView(R.layout.welcome_activity); final View view = findViewById(R.id.welcome_layout_id); AlphaAnimation aa = new AlphaAnimation(0.3f,1.0f); aa.setDuration(2000); view.startAnimation(aa); aa.setAnimationListener(new AnimationListener() { @Override public void onAnimationEnd(Animation arg0) { Intent intent = new Intent(WelcomeActivity.this,MainActivity.class); startActivity(intent); finish(); } @Override public void onAnimationRepeat(Animation animation) {} @Override public void onAnimationStart(Animation animation) {} }); } }
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/welcome_layout_id" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <TextView android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="center" android:text="Hello World" android:textAppearance="@android:style/TextAppearance.Large"/> </LinearLayout>
使用主题 android:theme="@android:style/Theme.DeviceDefault"
时间: 2024-09-30 15:57:48