Android交错网格视图实现
我正在尝试实现交错网格视图库。我使用的方法与普通gridview实现类似,如下所示:Android交错网格视图实现,android,android-gridview,Android,Android Gridview,我正在尝试实现交错网格视图库。我使用的方法与普通gridview实现类似,如下所示: package com.example.abcd8; import com.origamilabs.library.views.StaggeredGridView; import android.os.Bundle; import android.app.Activity; import android.view.Menu; import android.widget.GridView; public c
package com.example.abcd8;
import com.origamilabs.library.views.StaggeredGridView;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.GridView;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
StaggeredGridView sg1=(StaggeredGridView)findViewById(R.id.staggeredGridView1);
}
@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;
}
}
这是什么
package com.example.abcd8;
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 ctx;
public ImageAdapter(Context c)
{
ctx=c;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return pics.length;
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return null;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
ImageView iv;
if (convertView == null) { // if it's not recycled, initialize some attributes
iv = new ImageView(ctx);
iv.setLayoutParams(new GridView.LayoutParams(150,150));
iv.setScaleType(ImageView.ScaleType.CENTER_CROP);
iv.setPadding(8, 8, 8, 8);
} else {
iv = (ImageView) convertView;
}
iv.setImageResource(pics[position]);
return iv;
}
private Integer[] pics={
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
};
}
xml代码是这样的
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:staggered="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/mainLayout">
<com.origamilabs.library.views.StaggeredGridView
android:id="@+id/staggeredGridView1"
staggered:numColumns="2"
staggered:drawSelectorOnTop="true"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>
但这不起作用,因为我认为我们需要在这里使用交错适配器来添加图像。我不知道在这种情况下如何使用它,以及如何将它添加到我的代码中。
请帮帮我
谢谢首先,您应该像这样将您的适配器添加到StaggedGridView中
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
StaggeredGridView sg1=(StaggeredGridView)findViewById(R.id.staggeredGridView1);
ArrayList<String> urls = new ArrayList<String>();
...
urls.add("http://mypic.com/thispic");
...
MyAdapter adapter = new MyAdapter(urls);
sg1.setAdapter(adapter);
}
@覆盖
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
StaggedGridView sg1=(StaggedGridView)findViewById(R.id.StaggedGridView 1);
ArrayList URL=新的ArrayList();
...
URL.add(“http://mypic.com/thispic");
...
MyAdapter=新的MyAdapter(URL);
sg1.设置适配器(适配器);
}
我认为重要的是,在最新版本的StaggedGridView上,方法serAdapter正在等待ListAdapter,您正在扩展BaseAdapter,它是ListAdapter的一个子类
也许与此无关,只是以防万一
希望能有帮助
祝你好运 看起来您正在使用
你为什么不好好看一看呢