LinearLayout模仿Button点击动态缩放效果

时间:2021-12-09 17:56:36

之前看到一个App的布局仿win8很漂亮,对它每个色块点击有缩放效果很好奇,动手试了一下。

LinearLayout模仿Button点击动态缩放效果  LinearLayout模仿Button点击动态缩放效果

直接上代码。。。。。。。。

LinearLayout模仿Button点击动态缩放效果


MainActivity.java

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.LinearLayout;

public class MainActivity extends Activity implements OnTouchListener {

private LinearLayout layout1, layout2;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

layout1 = (LinearLayout) findViewById(R.id.layout1);
layout2 = (LinearLayout) findViewById(R.id.layout2);

layout1.setOnTouchListener(this);
layout2.setOnTouchListener(this);
}

@Override
public boolean onTouch(View v, MotionEvent event) {
// TODO Auto-generated method stub

//设置Animation
Animation animDwon = AnimationUtils.loadAnimation(this, R.anim.show_down);
Animation animUp = AnimationUtils.loadAnimation(this, R.anim.show_up);

LinearLayout layout = (LinearLayout) v;
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
layout.startAnimation(animDwon);
animDwon.setFillAfter(true);
break;

case MotionEvent.ACTION_UP:
layout.startAnimation(animUp);
animUp.setFillAfter(true);
break;
}
return true;//这时必须返回true,不然 MotionEvent.ACTION_UP 没效果
}

}

activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin" >

<LinearLayout
android:id="@+id/layout1"
android:layout_width="fill_parent"
android:layout_height="80dip"
android:layout_weight="1"
android:background="#ff335566" >

<TextView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:gravity="center"
android:text="Layout1" />
</LinearLayout>
<LinearLayout
android:id="@+id/layout2"
android:layout_width="fill_parent"
android:layout_height="80dip"
android:layout_weight="1"
android:layout_marginLeft="5dip"
android:background="#ff447788" >

<TextView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:gravity="center"
android:text="Layout2" />
</LinearLayout>

</LinearLayout>

show_down.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >

<scale
android:duration="200"
android:fromXScale="1.0"
android:fromYScale="1.0"
android:pivotX="50%"
android:pivotY="50%"
android:toXScale="0.9"
android:toYScale="0.9" />

</set>

show_up.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >

<scale
android:duration="200"
android:fromXScale="0.9"
android:fromYScale="0.9"
android:pivotX="50%"
android:pivotY="50%"
android:toXScale="1.0"
android:toYScale="1.0" />

</set>