Android中启动动画源码讲解
16lz
2021-01-23
首先是主要代码 的实现 ,去调用 各个xml 配置文件:
MainActivity:
public class MainActivity extends Activity {private ImageView imageView;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);//获取显示控件IDimageView = (ImageView) findViewById(R.id.imageView1);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}public void animImpl(View v){//调用 动画的配置文件Animation animation = AnimationUtils.loadAnimation(this, R.anim.alpha_demo);imageView.startAnimation(animation);}//旋转动画public void rotate(){Animation animation = AnimationUtils.loadAnimation(this, R.anim.rotate_demo);imageView.startAnimation(animation);}//缩放动画public void scaleImpl(){Animation animation = AnimationUtils.loadAnimation(this, R.anim.scale_demo);imageView.startAnimation(animation);}//移动效果public void translateImpl(){//XML文件/*Animation animation = AnimationUtils.loadAnimation(this, R.anim.translate_demo);animation.setRepeatCount(Animation.INFINITE);*/ /* 第一种 * imageView.setAnimation(animation); animation.start();*///第二种//imageView.startAnimation(animation);//Java代码TranslateAnimation translateAnimation = new TranslateAnimation(0, 200, 0, 0);translateAnimation.setDuration(2000);imageView.startAnimation(translateAnimation);}//缩放效果}
alpha_demo.xml
rotate_demo.xml
scale_demo.xml
translate_demo.xml
activity_main.xml
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