图片查看器i

<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"
  	android:orientation="vertical"
    tools:context="com.example.godness.MainActivity" >
	<TextView
	   	android:layout_alignParentBottom="true"
	    android:layout_centerInParent="true"
	     android:layout_width="wrap_content"
        android:layout_height="wrap_content"
	    android:text="女神--刘亦菲"
	    android:textSize="80dp"
	    
	    />
    <ImageView
        android:id="@+id/iv"
        android:layout_width="fill_parent"
        android:layout_height="1000dp"
       />
    <RelativeLayout 
    	android:layout_alignParentBottom="true"
         android:layout_width="wrap_content"
        android:layout_height="wrap_content">
        <Button 
		    android:layout_width="wrap_content"
		    
        android:layout_height="wrap_content"
        android:onClick="click2"
        android:text="上一张"
		    />
		<Button 
		   android:layout_alignParentRight="true"<img src="https://img-blog.youkuaiyun.com/20150418104135129?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdTAxNDY3NDA0OQ==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" /><img src="https://img-blog.youkuaiyun.com/20150418104027371?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdTAxNDY3NDA0OQ==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" /><img src="https://img-blog.youkuaiyun.com/20150418104210151?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdTAxNDY3NDA0OQ==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />
		   android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:onClick="click1"
        android:text="下一张"
		    />
    </RelativeLayout>
		
</RelativeLayout>

public class MainActivity extends ActionBarActivity {
	private ImageView iv;
	//图片路径
	private int[] imagepath=new int[]{R.drawable.one,R.drawable.two,R.drawable.three,R.drawable.four,
			R.drawable.five};
	private int count=0;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		iv=(ImageView) findViewById(R.id.iv);
		iv.setImageResource(imagepath[count]);
		
	}
	//下一张按钮
	public void click1(View view){
		if(count<4){
			++count;
			iv.setImageResource(imagepath[count]);
			
		}else {
		Toast.makeText(MainActivity.this, "没有下一张了", 0).show();
		return;
		}
	}
	//上一张按钮
	public void click2(View view){
		if(count>0){
		    --count;
			iv.setImageResource(imagepath[count]);
				
		}
		else {
			Toast.makeText(MainActivity.this, "没有上一张了", 0).show();
			return;
		}
	}
	
}

这个查看器的原理的原理和简单，稍微学习android的人都懂的怎样做。至于那什么布局的评价，我只能说，我的艺术细胞不够，只能调出来这样来，刚才看了下桐恺的效果图，发现居然他可以把图片连接成一个视频，这个好。下次得用