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安卓学习第18课——AdapterViewFlipper

<RelativeLayout 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" >    <AdapterViewFlipper        android:id="@+id/flipper"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:flipInterval="5000"        android:layout_alignParentTop="true" />    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentBottom="true"        android:layout_alignParentLeft="true"        android:onClick="prev"        android:text="上一个" />    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentBottom="true"        android:layout_centerHorizontal="true"        android:onClick="next"        android:text="下一个" />    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentBottom="true"        android:layout_alignParentRight="true"        android:onClick="auto"        android:text="自动播放" />    </RelativeLayout>
package com.example.adapterviewfilipper;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.ViewGroup;import android.view.ViewGroup.LayoutParams;import android.widget.AdapterViewFlipper;import android.widget.BaseAdapter;import android.widget.ImageView;public class MainActivity extends Activity {    int[] imageIds=new int[]{            R.drawable.shuangzi,R.drawable.shuangyu,R.drawable.chunv,            R.drawable.tiancheng,R.drawable.tianxie,R.drawable.sheshou,R.drawable.juxie,            R.drawable.shuiping,R.drawable.shizi,R.drawable.baiyang,R.drawable.jinniu,R.drawable.mojie        };    AdapterViewFlipper flipper;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        flipper=(AdapterViewFlipper) findViewById(R.id.flipper);        BaseAdapter adapter=new BaseAdapter(){            @Override            public int getCount() {                return imageIds.length;            }            @Override            public Object getItem(int position) {                return position;            }            @Override            public long getItemId(int position) {                return position;            }            @Override            public View getView(int position, View convertView, ViewGroup parent) {                ImageView imageView=new ImageView(MainActivity.this);                imageView.setImageResource(imageIds[position]);                imageView.setScaleType(ImageView.ScaleType.FIT_XY);                imageView.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT,LayoutParams.MATCH_PARENT));                return imageView;            }                    };        flipper.setAdapter(adapter);    }    public void prev(View source){        flipper.showPrevious();        flipper.stopFlipping();    }    public void next(View source){        flipper.showNext();        flipper.stopFlipping();    }        public void auto(View source){        flipper.startFlipping();    }}

 

安卓学习第18课——AdapterViewFlipper