Android 应用启动欢迎界面广告的实现实例

//package在此省略，根据实际自行添加

import android.app.Activity;
import android.os.Bundle;
import android.support.annotation.Nullable;

/**
 * Created by HUPENG on 2016/9/21.
 */
public class WelcomeActivity extends Activity {
  @Override
  protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_welcome);
  }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
       android:orientation="vertical"
       android:layout_width="match_parent"
       android:layout_height="match_parent">

  <ImageView
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:id="@+id/imageView"
      android:layout_gravity="center_horizontal"
      android:src="@mipmap/welcome"/>
      <!--android src属性指定imageView里面要显示的资源文件的来源路径，也就是在欢迎界面显示的图片，在这里我已经预先上传了一张图片了-->
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="supershare.android.hupeng.me.supershare">

  <application
      android:allowBackup="true"
      android:icon="@mipmap/ic_launcher"
      android:label="@string/app_name"
      android:supportsRtl="true"
      android:theme="@style/AppTheme">
    <activity android:name=".MainActivity">
      <intent-filter>
        <action android:name="android.intent.action.MAIN"/>
        <category android:name="android.intent.category.LAUNCHER"/>
      </intent-filter>
    </activity>

  </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="supershare.android.hupeng.me.supershare">

  <application
      android:allowBackup="true"
      android:icon="@mipmap/ic_launcher"
      android:label="@string/app_name"
      android:supportsRtl="true"
      android:theme="@style/AppTheme">
    <activity android:name=".WelcomeActivity">
      <intent-filter>
        <action android:name="android.intent.action.MAIN"/>
        <category android:name="android.intent.category.LAUNCHER"/>
      </intent-filter>
    </activity>
    <activity android:name=".MainActivity">

    </activity>

  </application>

</manifest>

Handler.sendEmptyMessageDelayed

 private Handler handler = new Handler() {
    @Override
    public void handleMessage(Message msg) {
      super.handleMessage(msg);
    }
  };

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.annotation.Nullable;
import android.view.Window;
import android.view.WindowManager;

/**
 * Created by HUPENG on 2016/9/21.
 */
public class WelcomeActivity extends Activity {
  @Override
  protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    //隐藏标题栏以及状态栏
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
        WindowManager.LayoutParams.FLAG_FULLSCREEN);
    /**标题是属于View的，所以窗口所有的修饰部分被隐藏后标题依然有效,需要去掉标题**/
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.activity_welcome);
    handler.sendEmptyMessageDelayed(0,3000);
  }

  private Handler handler = new Handler() {
    @Override
    public void handleMessage(Message msg) {
      getHome();
      super.handleMessage(msg);
    }
  };

  public void getHome(){
    Intent intent = new Intent(WelcomeActivity.this, MainActivity.class);
    startActivity(intent);
    finish();
  }
}