水平滚动&像Windows8 App Tiles一样,在android的gridview中不同大小的图像

时间:2013-08-26 12:31:02

标签: java android android-layout gridview android-gridview

我也尝试了android:scrollbars="horizontal"属性,但是当我将列数从4增加到10时它不起作用它没有显示滚动条它会扰乱彼此重叠的图像。 无论如何在Horizontal而不是vertical中滑动图像,以及我如何在网格中使用多种尺寸的图像

enter image description here

当我设置column number 4时,它看起来就像那样 enter image description here

当我将列数增加到column number 10

enter image description here

activity_main.xml代码:

<GridView xmlns:android="http://schemas.android.com/apk/res/android" 
    android:id="@+id/gridview"
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent"
    android:columnWidth="150dp"
    android:numColumns="auto_fit"
    android:verticalSpacing="10dp"
    android:horizontalSpacing="10dp"

    android:gravity="center"
    android:background="@drawable/background"
    android:scrollbars="horizontal"


/>

MainActivity.java

package com.example.hellogridview;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.GridView;
import android.widget.Toast;
import android.view.View;


public class MainActivity extends Activity {

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

    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        GridView gridview = (GridView) findViewById(R.id.gridview);
        gridview.setAdapter(new ImageAdapter(this));
        //gridview.setNumColumns(10);

        gridview.setOnItemClickListener(new OnItemClickListener()
         {
            public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
                Toast.makeText(MainActivity.this, "" + position, Toast.LENGTH_SHORT).show();
            }
        });
    }


    @Override
    public 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;
    }

}

ImageAdapter.java类

package com.example.hellogridview;

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;

public class ImageAdapter extends BaseAdapter {
    private Context mContext;

    public ImageAdapter(Context c) {
        mContext = c;
    }

    public int getCount() {
        return mThumbIds.length;
    }

    public Object getItem(int position) {
        return null;
    }

    public long getItemId(int position) {
        return 0;
    }

    // create a new ImageView for each item referenced by the Adapter
    public View getView(int position, View convertView, ViewGroup parent) {
        ImageView imageView;
        if (convertView == null) {  // if it's not recycled, initialize some attributes
            imageView = new ImageView(mContext);
            imageView.setLayoutParams(new GridView.LayoutParams(300, 300));            
            imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
            imageView.setPadding(8, 8, 8, 8);
        } else {
            imageView = (ImageView) convertView;
        }

        imageView.setImageResource(mThumbIds[position]);
        return imageView;
    }

    // references to our images
    private Integer[] mThumbIds = {
            R.drawable.sample_2, R.drawable.sample_3,
            R.drawable.sample_4, R.drawable.sample_5,
            R.drawable.sample_6, R.drawable.sample_7,
            R.drawable.sample_0, R.drawable.sample_1,
            R.drawable.sample_2, R.drawable.sample_3,
            R.drawable.sample_4, R.drawable.sample_5,
            R.drawable.sample_6, R.drawable.sample_7,
            R.drawable.sample_0, R.drawable.sample_1,
            R.drawable.sample_2, R.drawable.sample_3,
            R.drawable.sample_4, R.drawable.sample_5,
            R.drawable.sample_6, R.drawable.sample_7
    };
}

我想要的是什么:

1)我想在水平方向上滑动图像 2)图像应该是不同的大小,如Windows8 MetroStyle,如上面的第一张图片

1 个答案:

答案 0 :(得分:0)

Gridview不适用于不同大小的单元格。您必须为该外观自定义切片布局。为此,您可以使用tableLayout或linearLayout。