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Android gridview 跳过单元格

转载 作者:太空狗 更新时间:2023-10-29 13:32:48 24 4
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如何在 GridView 中跳过某些单元格。我的意思是我有下一个来源:

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(85, 85));
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, etc...
}

主要:

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

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

和 xml:

<?xml version="1.0" encoding="utf-8"?>
<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="90dp"
android:numColumns="auto_fit"
android:verticalSpacing="10dp"
android:horizontalSpacing="10dp"
android:stretchMode="columnWidth"
android:gravity="center"
/>

现在我有这个:
enter image description here

如何跳过我的 GridView 中的一些单元格,我想要这样的东西: enter image description here

最佳答案

尝试以下操作:

编辑

public class ImageAdapter extends BaseAdapter {
private Context mContext;
private boolean[] arrGrid;

public ImageAdapter(Context c) {
mContext = c;

arrGrid = new boolean[mThumbIds.length];
for (int i = 0; i < arrGrid.length; i++) {
arrGrid[i] = true;
}

// set the following positions blank for example
arrGrid[4] = false;
arrGrid[5] = false;
arrGrid[8] = false;
}

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
if (arrGrid[position]) {
imageView = new ImageView(mContext);
imageView.setLayoutParams(new GridView.LayoutParams(85, 85));
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
imageView.setPadding(8, 8, 8, 8);
imageView.setImageResource(mThumbIds[position]);
}
} else {
imageView = (ImageView) convertView;
}

return imageView;
}

// references to our images
private Integer[] mThumbIds = {
R.drawable.sample_2, R.drawable.sample_3, etc...
}
}

关于Android gridview 跳过单元格,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/13701212/

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