需求场景:当我们在使用ProgressBar的时候,希望有进度加载的效果,此时我们传统的做法是使用Thread线程来实现,下面我们用属性动画来实现,简单粗暴。。哈哈哈
布局文件:
Activity:
public class MainActivity extends AppCompatActivity {
private ProgressBar mProgressBar;
TextView mtv_bar;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mProgressBar = (ProgressBar) findViewById(R.id.bar);
mtv_bar = (TextView) findViewById(R.id.tv_bar);
setAnimation(mProgressBar, 100);
}
private void setAnimation(final ProgressBar view, final int mProgressBar) {
ValueAnimator animator = ValueAnimator.ofInt(0, mProgressBar).setDuration(5000);
animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator valueAnimator) {
view.setProgress((int) valueAnimator.getAnimatedValue());
}
});
animator.start();
}
private void setTvAnimation(final TextView view, final int mProgressBar) {
ValueAnimator animator = ValueAnimator.ofInt(0, mProgressBar).setDuration(5000);
animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator valueAnimator) {
view.setText(String.valueOf(valueAnimator.getAnimatedValue()));
}
});
animator.start();
}
public void show(View view) {
setAnimation(mProgressBar, 100);
}
public void tvshow(View view){
setTvAnimation(mtv_bar,240);
}
}
效果图:
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持考高分网。



