安卓常用的基本动画代码

安卓常用的动画

translationX and translationY

rotation, rotationX, and rotationY

scaleX and scaleY

pivotX and pivotY

x and y

alpha

主要是上诉几种代码效果，直接贴代码吧:

[java] view
plaincopy

package com.example.test;



import android.animation.Animator;

import android.animation.Animator.AnimatorListener;

import android.animation.ObjectAnimator;

import android.animation.PropertyValuesHolder;

import android.app.Activity;

import android.os.Bundle;

import android.util.DisplayMetrics;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.widget.ImageView;

import android.widget.Toast;



public class MainActivity extends Activity {



private ImageView iv;

private float mScreenHeight;



@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main_activity);

iv = (ImageView) findViewById(R.id.iv);

DisplayMetrics outMetrics = new DisplayMetrics();

getWindowManager().getDefaultDisplay().getMetrics(outMetrics);

mScreenHeight = outMetrics.heightPixels;

}



public void click(View view) {



// 平移动画

ObjectAnimator transX = ObjectAnimator.ofFloat(iv, "translationX", 0f,

300f);

transX.setDuration(2000);

transX.setRepeatCount(5);

transX.setRepeatMode(ObjectAnimator.RESTART);

transX.start();



// 平移动画

ObjectAnimator transY = ObjectAnimator.ofFloat(iv, "translationY", 0f,

300f);

transY.setDuration(1000);

transY.setRepeatCount(3);

transY.setRepeatMode(ObjectAnimator.RESTART);

transY.start();



// 旋转动画

ObjectAnimator rotation = ObjectAnimator.ofFloat(iv, "rotation", 0f,

360f);

rotation.setDuration(1000);

rotation.setRepeatCount(7);

rotation.setRepeatMode(ObjectAnimator.RESTART);

rotation.start();



// 缩放

ObjectAnimator scaleX = ObjectAnimator.ofFloat(iv, "scaleX", 0f, 1.6f);

scaleX.setDuration(1000);

scaleX.setRepeatCount(5);

scaleX.setRepeatMode(ObjectAnimator.RESTART);

scaleX.start();



// 缩放动画

ObjectAnimator scaleY = ObjectAnimator.ofFloat(iv, "scaleY", 0f, 1.6f);

scaleY.setDuration(1000);

scaleY.setRepeatCount(5);

scaleY.setRepeatMode(ObjectAnimator.RESTART);

scaleY.start();



// 缩放动画

ObjectAnimator alpha = ObjectAnimator.ofFloat(iv, "alpha", 0f, 1f);

alpha.setDuration(1000);

alpha.setRepeatCount(5);

alpha.setRepeatMode(ObjectAnimator.RESTART);

alpha.start();



transX.addListener(new AnimatorListener() {



@Override

public void onAnimationStart(Animator animation) {



}



@Override

public void onAnimationRepeat(Animator animation) {



}



@Override

public void onAnimationEnd(Animator animation) {

Toast.makeText(MainActivity.this, "终于结束了...", Toast.LENGTH_LONG)

.show();

}



@Override

public void onAnimationCancel(Animator animation) {



}

});

}



// 属性动画

public void click1(View view) {

PropertyValuesHolder pvhX = PropertyValuesHolder.ofFloat("alpha", 1f,

0f, 1f);

// 属性动画Y值

PropertyValuesHolder pvhY = PropertyValuesHolder.ofFloat("y", 0,

mScreenHeight / 2, 0);

// 属性动画X值

PropertyValuesHolder pvhXx = PropertyValuesHolder.ofFloat("x", 0,

mScreenHeight / 2, 0);

ObjectAnimator.ofPropertyValuesHolder(iv, pvhX, pvhY, pvhXx)

.setDuration(1000).start();

}



@Override

public 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;

}



@Override

public boolean onOptionsItemSelected(MenuItem item) {

int id = item.getItemId();

if (id == R.id.action_settings) {

return true;

}

return super.onOptionsItemSelected(item);

}



}

界面代码:

[html] view
plaincopy

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:id="@+id/RelativeLayout1"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical" >



<ImageView

android:id="@+id/iv"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentLeft="true"

android:layout_alignParentTop="true"

android:src="@drawable/ic_launcher" />



<LinearLayout

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentBottom="true"

android:layout_centerInParent="true" >



<Button

android:id="@+id/but"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:onClick="click"

android:text="动画" />



<Button

android:id="@+id/but1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:onClick="click1"

android:text="动画2" />

</LinearLayout>



</RelativeLayout>