package com.example.a51044.myapplicationli;
import android.animation.AnimatorInflater;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity implements View.OnClickListener{
private Button Start_Anim;
private Button Object_Anim;
private Button XML_Anim;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
}
@Override
public void onClick(View v) {
switch (v.getId())
{
case R.id.Start_Anim:
valueAnimStart();
Toast.makeText(this,"李小====强",Toast.LENGTH_SHORT).show();
break;
case R.id.Object_Anim:
ObjectAnimator translation = ObjectAnimator.ofFloat(Start_Anim, "translationX", 0, 300, 500);
// 平移动画
ObjectAnimator rotate = ObjectAnimator.ofFloat(Start_Anim, "rotation", 0f, 360f);
// 旋转动画
ObjectAnimator alpha = ObjectAnimator.ofFloat(Start_Anim, "alpha", 1f, 0f, 1f);
// 透明度动画
// 步骤2:创建组合动画的对象
AnimatorSet animSet = new AnimatorSet();
//动画的先后顺序
animSet.play(translation).with(rotate).before(alpha);
animSet.setDuration(5000);
// 步骤4:启动动画
animSet.start();
break;
case R.id.XML_Anim:
//找到XML文件
AnimatorSet set = (AnimatorSet) AnimatorInflater.loadAnimator(this, R.animator.set_animotor);
//参数是控件
set.setTarget(Object_Anim);
set.start();
break;
}
}
private void valueAnimStart() {
//初始化控件,第一个参数是要改变的控件的宽度,第二个参数是控件宽度改变为500
ValueAnimator valueAnimator = ValueAnimator.ofInt(Start_Anim.getLayoutParams().width, 500);
valueAnimator.setDuration(3000);
//动画的延迟
valueAnimator.setStartDelay(500);
//动画的改变监听
valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
//移动的单位 得值是跟你赋值对象的时候那个方法要一致(执行完后的控件宽度)
int currentValue = (Integer) animation.getAnimatedValue();
Start_Anim.getLayoutParams().width = currentValue;
Log.e("currentValue", currentValue + "单位");
Start_Anim.requestLayout();
}
});
valueAnimator.start();
}
private void initView() {
Start_Anim = (Button) findViewById(R.id.Start_Anim);
Object_Anim = (Button) findViewById(R.id.Object_Anim);
XML_Anim = (Button) findViewById(R.id.XML_Anim);
Start_Anim.setOnClickListener(this);
Object_Anim.setOnClickListener(this);
XML_Anim.setOnClickListener(this);
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
android:orientation="vertical"
tools:context=".MainActivity">
<Button
android:id="@+id/Start_Anim"
android:layout_width="120dp"
android:layout_height="wrap_content"
android:text="ValueAnim开始吧" />
<Button
android:id="@+id/Object_Anim"
android:layout_width="120dp"
android:layout_height="wrap_content"
android:text="ObjectAnimator开始吧" />
<Button
android:id="@+id/XML_Anim"
android:layout_width="120dp"
android:layout_height="wrap_content"
android:text="XMl开始吧" />
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<set android:ordering="together">
<!-- 下面的动画同时进行 -->
<objectAnimator
android:duration="2000"
android:propertyName="translationX"
android:valueFrom="0"
android:valueTo="300"
android:valueType="floatType"></objectAnimator>
<objectAnimator
android:duration="3000"
android:propertyName="rotation"
android:valueFrom="0"
android:valueTo="360"
android:valueType="floatType"></objectAnimator>
</set>
<set android:ordering="sequentially">
<!--// 下面的动画按序进行-->
<objectAnimator
android:duration="1500"
android:propertyName="alpha"
android:valueFrom="1"
android:valueTo="0"
android:valueType="floatType"></objectAnimator>
<objectAnimator
android:duration="1500"
android:propertyName="alpha"
android:valueFrom="0"
android:valueTo="1"
android:valueType="floatType"></objectAnimator>
</set>
</set>
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.2.0'
classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.0'
classpath 'com.github.dcendents:android-maven-gradle-plugin:1.4.1'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
google()
jcenter()
maven { url 'https://jitpack.io' }
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}