動畫翻轉
阿新 • • 發佈:2018-12-12
佈局
<?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=".MainActivity"> <TextView android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/text" android:gravity="center" android:textSize="30dp" android:text="八維電商"/> <Button android:layout_marginLeft="200dp" android:text="開始程式設計" android:id="@+id/button" android:layout_alignParentBottom="true" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </RelativeLayout>
mainactivity
public class MainActivity extends AppCompatActivity { private Button button; private TextView text; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //找控制元件 text = findViewById(R.id.text); button = findViewById(R.id.button); //給text設定點選事件 text.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { //動畫 ObjectAnimator animator1 = ObjectAnimator.ofFloat(view, "scaleY", 1, 3); ObjectAnimator animator2 = ObjectAnimator.ofFloat(view, "alpha", 1, 2); ObjectAnimator animator3 = ObjectAnimator.ofFloat(view, "rotationX", 360); AnimatorSet set = new AnimatorSet(); //集合 set.playTogether(animator1,animator2,animator3); set.setDuration(3000); set.start(); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { super.onAnimationEnd(animation); //跳轉 Intent intent = new Intent(MainActivity.this, ShowActivity.class); startActivity(intent); } }); } }); } }