发布于 2016-02-28 04:27:40 | 150 次阅读 | 评论: 0 | 来源: 网友投递
Android移动端操作系统
Android是一种基于Linux的自由及开放源代码的操作系统,主要使用于移动设备,如智能手机和平板电脑,由Google公司和开放手机联盟领导及开发。尚未有统一中文名称,中国大陆地区较多人使用“安卓”或“安致”。
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#897753"
>
<ImageView
android:id="@+id/image1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:visibility="invisible"
android:src="@drawable/sky"/>
<ImageView
android:id="@+id/image2"
android:visibility="invisible"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:src="@drawable/cloud"/>
<ImageView
android:id="@+id/image3"
android:visibility="invisible"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:src="@drawable/sun"/>
</FrameLayout>
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.animation.Animation;
import android.widget.ImageView;
public class FramLayoutTestActivity extends Activity {
private String TAG = "FramLayoutTestActivity";
private ImageView image1;
private ImageView image2;
private ImageView image3;
private List<ImageView> list;
private int count=0;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
image1=(ImageView)findViewById(R.id.image1);
image2=(ImageView)findViewById(R.id.image2);
image3=(ImageView)findViewById(R.id.image3);
list=new ArrayList<ImageView>();
list.add(image1);
list.add(image2);
list.add(image3);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
// TODO Auto-generated method stub
if(event.getAction()==MotionEvent.ACTION_DOWN)
{
Log.i(TAG,"move---");
showImage();
}
return super.onTouchEvent(event);
}
private void showImage()
{
image1.setVisibility(View.VISIBLE);
count=count%3;
for(ImageView i:list)
{
i.setVisibility(View.INVISIBLE);
}
list.get(count).setVisibility(View.VISIBLE);
count++;
}
}
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#897753"
>
<ImageView
android:id="@+id/image1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:visibility="invisible"
android:src="@drawable/sky"/>
<ImageView
android:id="@+id/image2"
android:visibility="invisible"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:src="@drawable/cloud"/>
<ImageView
android:id="@+id/image3"
android:visibility="invisible"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:src="@drawable/sun"/>
</FrameLayout>