36 Android(安卓)Activity跳转动画 获取当前版本
16lz
2021-01-26
package com.example.androd_activity_anim;import junit.runner.Version;import android.os.Bundle;import android.app.Activity;import android.content.Intent;import android.view.Menu;import android.view.View;import android.widget.Button;import android.widget.Toast;public class MainActivity extends Activity {private Button button;private int myVerison;//版本信息@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);button=(Button)findViewById(R.id.button1);button.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stub//获取当前版本信息myVerison=Integer.valueOf(android.os.Build.VERSION.SDK);if(myVerison > 11){Toast.makeText(MainActivity.this, ">>>"+myVerison, 1).show();Intent intent=new Intent(MainActivity.this, other.class);startActivity(intent);overridePendingTransition(R.anim.zoomin, R.anim.zoomout);}else{Toast.makeText(MainActivity.this, ">>>"+myVerison, 1).show();}}});}@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;}}
在res创建anim->zoomin.xml
<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android" android:interpolator="@android:anim/decelerate_interpolator" > <scale android:duration="300" android:fromXScale="0.1" android:fromYScale="0.1" android:pivotX="50%p" android:pivotY="50%p" android:toXScale="1.0" android:toYScale="1.0" /> <!-- 这里为了看到动画演示效果，把动画持续时间设为3秒 --> <alpha android:duration="300" android:fromAlpha="0.1" android:toAlpha="1.0" /></set>
zoomout.xml:
<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android" android:interpolator="@android:anim/decelerate_interpolator" android:zAdjustment="top" > <scale android:duration="300" android:fromXScale="1.0" android:fromYScale="1.0" android:pivotX="50%p" android:pivotY="50%p" android:toXScale=".5" android:toYScale=".5" /> <!--系统内置的动画持续时间 android:duration="@android:integer/config_mediumAnimTime" --> <alpha android:duration="300" android:fromAlpha="1.0" android:toAlpha="0" /></set>
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