Android控件显示、隐藏时，增加动画效果

2501_90265186

于 2025-01-20 15:28:33 发布

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文章标签： android

本文链接：https://blog.youkuaiyun.com/2501_90265186/article/details/145263756

版权

android:layout_height=“100dp”/>

<LinearLayout

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”>

<Button

android:text=“普通显示”

android:id=“@+id/btn_show”

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”/>

<Button

android:text=“普通隐藏”

android:id=“@+id/btn_hide”

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”/>

<ImageView

android:visibility=“invisible”

android:layout_centerHorizontal=“true”

android:layout_marginTop=“20dp”

android:id=“@+id/iv_alpha_logo”

android:background=“@mipmap/ic_launcher”

android:layout_width=“100dp”

android:layout_height=“100dp”/>

<LinearLayout

android:layout_marginTop=“10dp”

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”>

<Button

android:text=“透明度显示”

android:id=“@+id/btn_alpha_show”

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”/>

<Button

android:text=“透明度隐藏”

android:id=“@+id/btn_alpha_hide”

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”/>

<ImageView

android:visibility=“invisible”

android:layout_centerHorizontal=“true”

android:layout_marginTop=“20dp”

android:id=“@+id/iv_scale_logo”

android:background=“@mipmap/ic_launcher”

android:layout_width=“100dp”

android:layout_height=“100dp”/>

<LinearLayout

android:layout_marginTop=“10dp”

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”>

<Button

android:text=“放大显示”

android:id=“@+id/btn_scale_show”

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”/>

<Button

android:text=“缩小隐藏”

android:id=“@+id/btn_scale_hide”

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”/>

<ImageView

android:visibility=“invisible”

android:layout_centerHorizontal=“true”

android:layout_marginTop=“20dp”

android:id=“@+id/iv_translate_logo”

android:background=“@mipmap/ic_launcher”

android:layout_width=“100dp”

android:layout_height=“100dp”/>

<LinearLayout

android:layout_marginTop=“10dp”

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”>

<Button

android:text=“位移显示(向上)”

android:id=“@+id/btn_translate_show”

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”/>

<Button

android:text=“位移隐藏(向下)”

android:id=“@+id/btn_translate_hide”

android:layout_width=“wrap_content”

android:layout_height=“wrap_content”/>

MainActivity.java

package com.llw.animationdemo;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.view.animation.AlphaAnimation;

import android.view.animation.Animation;

import android.view.animation.AnimationUtils;

import android.view.animation.ScaleAnimation;

import android.view.animation.TranslateAnimation;

import android.widget.Button;

import android.widget.ImageView;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

private ImageView ivLogo, ivAlphaLogo, ivTranslateLogo, ivScaleLogo;

private Button btnShow, btnHide, btnAlphaShow, btnAlphaHide, btnTranslateShow,

btnTranslateHide, btnScaleShow, btnScaleHide;

private AlphaAnimation alphaAniShow, alphaAniHide;

private TranslateAnimation translateAniShow, translateAniHide;

private Animation bigAnimation, smallAnimation;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

initView();

}

//初始化控件

private void initView() {

ivLogo = (ImageView) findViewById(R.id.iv_logo);

ivAlphaLogo = (ImageView) findViewById(R.id.iv_alpha_logo);

ivTranslateLogo = (ImageView) findViewById(R.id.iv_translate_logo);

ivScaleLogo = (ImageView) findViewById(R.id.iv_scale_logo);

btnShow = (Button) findViewById(R.id.btn_show);

btnHide = (Button) findViewById(R.id.btn_hide);

btnAlphaShow = (Button) findViewById(R.id.btn_alpha_show);

btnAlphaHide = (Button) findViewById(R.id.btn_alpha_hide);

btnTranslateShow = (Button) findViewById(R.id.btn_translate_show);

btnTranslateHide = (Button) findViewById(R.id.btn_translate_hide);

btnScaleShow = (Button) findViewById(R.id.btn_scale_show);

btnScaleHide = (Button) findViewById(R.id.btn_scale_hide);

btnShow.setOnClickListener(this);

btnHide.setOnClickListener(this);

btnAlphaShow.setOnClickListener(this);

btnAlphaHide.setOnClickListener(this);

btnTranslateShow.setOnClickListener(this);

btnTranslateHide.setOnClickListener(this);

btnScaleShow.setOnClickListener(this);

btnScaleHide.setOnClickListener(this);

alphaAnimation();

scaleAnimation();

translateAnimation();

}

//位移动画

private void translateAnimation() {

//向上位移显示动画从自身位置的最下端向上滑动了自身的高度

translateAniShow = new TranslateAnimation(

Animation.RELATIVE_TO_SELF,//RELATIVE_TO_SELF表示操作自身

0,//fromXValue表示开始的X轴位置

Animation.RELATIVE_TO_SELF,

0,//fromXValue表示结束的X轴位置

Animation.RELATIVE_TO_SELF,

1,//fromXValue表示开始的Y轴位置

Animation.RELATIVE_TO_SELF,

0);//fromXValue表示结束的Y轴位置

translateAniShow.setRepeatMode(Animation.REVERSE);

translateAniShow.setDuration(1000);

//向下位移隐藏动画从自身位置的最上端向下滑动了自身的高度

translateAniHide = new TranslateAnimation(

Animation.RELATIVE_TO_SELF,//RELATIVE_TO_SELF表示操作自身

0,//fromXValue表示开始的X轴位置

Animation.RELATIVE_TO_SELF,

0,//fromXValue表示结束的X轴位置

Animation.RELATIVE_TO_SELF,

0,//fromXValue表示开始的Y轴位置

Animation.RELATIVE_TO_SELF,

1);//fromXValue表示结束的Y轴位置

translateAniHide.setRepeatMode(Animation.REVERSE);

translateAniHide.setDuration(1000);

}

//缩放动画

private void scaleAnimation() {

//放大

bigAnimation = AnimationUtils.loadAnimation(MainActivity.this, R.anim.scale_big);

//缩小

smallAnimation = AnimationUtils.loadAnimation(MainActivity.this, R.anim.scale_small);

}

//透明度动画

private void alphaAnimation() {

//显示

alphaAniShow = new AlphaAnimation(0, 1);//百分比透明度，从0%到100%显示

alphaAniShow.setDuration(1000);//一秒

//隐藏

alphaAniHide = new AlphaAnimation(1, 0);

alphaAniHide.setDuration(1000);

}

@Override

public void onClick(View v) {

switch (v.getId()) {

case R.id.btn_show://普通显示

ivLogo.setVisibility(View.VISIBLE);

break;

case R.id.btn_hide://普通隐藏

ivLogo.setVisibility(View.INVISIBLE);

break;

case R.id.btn_alpha_show://透明度显示

ivAlphaLogo.startAnimation(alphaAniShow);

ivAlphaLogo.setVisibility(View.VISIBLE);

break;

case R.id.btn_alpha_hide://透明度隐藏

ivAlphaLogo.startAnimation(alphaAniHide);

//这个地方为什么要做动画的监听呢，因为隐藏和显示不一样，

//必须在动画结束之后再隐藏你的控件，这样才不会显得很突兀

alphaAniHide.setAnimationListener(new Animation.AnimationListener() {

@Override

public void onAnimationStart(Animation animation) {

}

@Override

public void onAnimationEnd(Animation animation) {

ivAlphaLogo.setVisibility(View.INVISIBLE);

}

@Override

public void onAnimationRepeat(Animation animation) {

}

});

break;

case R.id.btn_scale_show://放大显示

ivScaleLogo.startAnimation(bigAnimation);

ivScaleLogo.setVisibility(View.VISIBLE);

break;

case R.id.btn_scale_hide://缩小隐藏

ivScaleLogo.startAnimation(smallAnimation);

smallAnimation.setAnimationListener(new Animation.AnimationListener() {

@Override

public void onAnimationStart(Animation animation) {

}

@Override

public void onAnimationEnd(Animation animation) {

ivScaleLogo.setVisibility(View.INVISIBLE);

}

@Override

public void onAnimationRepeat(Animation animation) {

}

});

break;

case R.id.btn_translate_show://向上位移显示

ivTranslateLogo.startAnimation(translateAniShow);

ivTranslateLogo.setVisibility(View.VISIBLE);

break;

case R.id.btn_translate_hide://向下位移隐藏

ivTranslateLogo.startAnimation(translateAniHide);

translateAniHide.setAnimationListener(new Animation.AnimationListener() {

@Override

public void onAnimationStart(Animation animation) {

}

@Override

public void onAnimationEnd(Animation animation) {

ivTranslateLogo.setVisibility(View.INVISIBLE);

}

@Override

public void onAnimationRepeat(Animation animation) {