android启动界面开屏广告

小灰灰 2022-01-22 10:09 405阅读 0赞

package s1.ppp.com;
    
    import android.content.Intent;
    import android.os.Bundle;
    import android.os.Handler;
    import android.os.Message;
    import android.support.v7.app.AppCompatActivity;
    import android.view.WindowManager;
    
    public class StartActivity extends AppCompatActivity {
    
    
        //向主进程发送消息的句柄
        private Handler handler = new Handler(){
            @Override
            public void handleMessage(Message msg) {
                super.handleMessage(msg);
                next();
            }
        };
    
        /**
         * 自定义方法
         * 启动登录界面
         */
        private void next() {
            Intent intent = new Intent(this,LoginActivity.class);
            startActivity(intent);
            finish();
        }
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_start);
    
    
    
            //去掉状态栏
            getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                    WindowManager.LayoutParams.FLAG_FULLSCREEN);
    
            //延时3秒发送一个消息给主进程,让主进程执行next()方法
            handler.postDelayed(new Runnable() {
                @Override
                public void run() {
                    handler.sendEmptyMessage(0);
    
                }
            }, 4000);
    
    
    
    
        }
    }

布局文件

<?xml version="1.0" encoding="utf-8"?>
    <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".StartActivity">
    
        <ImageView
            android:id="@+id/iv_start"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:scaleType="centerCrop"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:srcCompat="@mipmap/start" />
    
        <TextView
            android:id="@+id/tv_start"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
    
            android:layout_marginStart="8dp"
    
            android:layout_marginEnd="8dp"
    
            android:layout_marginBottom="16dp"
            android:text="App By 热带雨林"
            android:textAlignment="center"
            android:textColor="@color/colorAccent"
            android:textSize="14sp"
            app:layout_constraintBottom_toBottomOf="@+id/iv_start"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent" />
    
    
    
    </android.support.constraint.ConstraintLayout>