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嗨我想在android中做一個壁紙應用程序。我無法將圖像設置爲設備屏幕大小。當我將其設置爲牆紙時,圖像也會失去其質量。我也嘗試了一些stackoverflow的答案,但沒有給我正確的結果。如何在不損失圖像質量的情況下將圖像大小適應設備屏幕大小?
這裏是我的代碼:
public void onClick(View arg0) {
WallpaperManager myWallpaperManager= WallpaperManager.getInstance(getApplicationContext());
DisplayMetrics metrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);
// get the height and width of screen
int height = metrics.heightPixels;
int width = metrics.widthPixels;
try {
Bitmap bitmap=((BitmapDrawable)imgflag.getDrawable()).getBitmap();
if(bitmap!=null)
myWallpaperManager.setBitmap(bitmap);
myWallpaperManager.suggestDesiredDimensions(width, height);
Toast.makeText(SingleItemView.this, "Wallpaper Set", Toast.LENGTH_SHORT).show();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
我到底錯在這裏做什麼?