我正在使用 PhotoView 库来获得图像的幻灯片视图。这很容易。然后我想将我想要的图像设置为壁纸,也许点击一个按钮,但我有一个问题!该库似乎不允许创建布局,但只能以这种方式创建。
<com.ex.paper.HackyViewPager xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent" />
所以我不能添加任何按钮。我需要检测正确的数组位置,并以某种方式将该图像设置为墙纸。到目前为止,代码是这样的:
`public class MainActivity extends Activity { 位图位图;int lastImageRef; 私有静态最终字符串 ISLOCKED_ARG = "isLocked";
private ViewPager mViewPager;
private static MenuItem menuLockItem;
private WallpaperManager wallpaper;
private static int[] sDrawables = { R.drawable.wallpapertwo, R.drawable.twixkatfirst, R.drawable.wallpaper,
R.drawable.sfondo, R.drawable.wallpapertre};
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mViewPager = (HackyViewPager) findViewById(R.id.view_pager);
setContentView(mViewPager);
mViewPager.setAdapter(new SamplePagerAdapter());
if (savedInstanceState != null) {
boolean isLocked = savedInstanceState.getBoolean(ISLOCKED_ARG, false);
((HackyViewPager) mViewPager).setLocked(isLocked);
}
}
static class SamplePagerAdapter extends PagerAdapter {
@Override
public int getCount() {
return sDrawables.length;
}
@Override
public View instantiateItem(ViewGroup container, int position) {
PhotoView photoView = new PhotoView(container.getContext());
photoView.setImageResource(sDrawables[position]);
WallpaperManager wallpaper = WallpaperManager.getInstance(container.getContext());
/*Toast number = Toast.makeText(container.getContext(), "wallpaper number "+position, Toast.LENGTH_LONG);
number.show();*/
// Now just add PhotoView to ViewPager and return it
container.addView(photoView, LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
try
{
wallpaper.setResource(sDrawables[position]);
}
catch (IOException e)
{
}
return photoView;
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
container.removeView((View) object);
}
@Override
public boolean isViewFromObject(View view, Object object) {
return view == object;
}
}
}`
现在,在 try catch 中,我可以通过位置设置壁纸,但无需点击任何按钮!当然,这不是一个好方法。有什么解决办法吗?也许是操作栏中的按钮?但当时我找不到数组位置。