3秒跳转

傷城~ 2023-10-17 22:02 8阅读 0赞

3秒跳转

/**
     * 三秒跳转
     */
    public class MainActivity extends AppCompatActivity {
        ImageView splashImage;
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            splashImage = (ImageView) findViewById(R.id.iv_splan);
            setAlphaAnimation();
        }
    
        private void setAlphaAnimation() {
            AlphaAnimation alpha = new AlphaAnimation(0,1);
            alpha.setDuration(3000);
            alpha.setFillAfter(true);
            alpha.setAnimationListener(new Animation.AnimationListener() {
                @Override
                public void onAnimationStart(Animation animation) {
                }
    
                @Override
                public void onAnimationEnd(Animation animation) {
                    Intent intent = new Intent(MainActivity.this,LoginActivity.class);
                    startActivity(intent);
                    finish();
                }
                @Override
                public void onAnimationRepeat(Animation animation) {
                }
            });
            splashImage.setAnimation(alpha);
        }
    }

<?xml version="1.0" encoding="utf-8"?>
    <RelativeLayout
        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=".a1login.MainActivity">
    
        <ImageView
            android:layout_centerInParent="true"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/iv_splan"
            android:src="@drawable/logo"
            />
    
    </RelativeLayout>