我在尝试将壁纸图像设置为适合屏幕时遇到了困难。缩略图图像很好,看起来不错,但是当我选择将图像设置为墙纸时,它太大了,不适合屏幕?
这是我的xml代码
<GridView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/gridview1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:numColumns="auto_fit"
android:verticalSpacing="10dp"
android:horizontalSpacing="10dp"
android:stretchMode="columnWidth"
android:gravity="center"/>
这里是 .java
GridView gridview = (GridView) findViewById(R.id.gridview1);
gridview.setAdapter(new ImageAdapter(this));
gridview.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
ImageAdapter i = (ImageAdapter)parent.getAdapter();
Bitmap mBitmap = BitmapFactory.decodeResource(getResources(),(int)i.getItemId(position));
WallpaperManager myWallpaperManager = WallpaperManager.getInstance(getApplicationContext ());
try {
myWallpaperManager.setBitmap(mBitmap);
Toast.makeText(MainActivity.this, "Wallpaper set", Toast.LENGTH_SHORT).show();
} catch (IOException e) {
Toast.makeText(MainActivity.this, "Error setting wallpaper", Toast.LENGTH_SHORT).show ();
}
}
});
}
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 mFullSizeIds[position];
}
// 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) {
imageView = new ImageView(mContext);
imageView.setLayoutParams(new GridView.LayoutParams(300, 250));
imageView.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
imageView.setPadding(8, 8, 8, 8);
} else {
imageView = (ImageView) convertView;
}
imageView.setImageResource(mThumbIds[position]);
return imageView;
}
private Integer[] mThumbIds = {
R.drawable.pic1t,
R.drawable.pic2t,
R.drawable.pic3t,
R.drawable.pic4t,
R.drawable.pic5t,
R.drawable.pic6t,
R.drawable.pic7t,
R.drawable.pic8t,
R.drawable.pic9t
};
private Integer[] mFullSizeIds = {
R.drawable.pic1,
R.drawable.pic2,
R.drawable.pic3,
R.drawable.pic4,
R.drawable.pic5,
R.drawable.pic6,
R.drawable.pic7,
R.drawable.pic8,
R.drawable.pic9
};
}
}
任何人都可以请帮助!我在这里做错了什么?我的脑子里一片空白!