android 圖片平鋪實現
阿新 • • 發佈:2019-02-03
android螢幕的實現方式,可以讓同一張圖片按順序排列成一個整張大的圖片,如何實現呢?請看一下三種實現方式,建議使用第二種實現方式,簡單容易維護。
(1)第一種利用系統提供的api實現
Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.pic);
//bitmap = Bitmap.createBitmap(200, 30, Config.ARGB_8888);
BitmapDrawable drawable = new BitmapDrawable(bitmap);
drawable.setTileModeXY(TileMode.REPEAT , TileMode.REPEAT );
drawable.setDither(true);
view.setBackgroundDrawable(drawable);
(2)第二種使用xml來輕鬆實現
< bitmap xmlns:android="http://schemas.android.com/apk/res/android" android:src="@drawable/img"
android:tileMode="repeat" />
3)第三種自己畫出來
public static Bitmap createRepeater(int width, Bitmap src){
int count = (width + src.getWidth() - 1) / src.getWidth();
Bitmap bitmap = Bitmap.createBitmap(width, src.getHeight(), Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
for(int idx = 0; idx < count; ++ idx){
canvas.drawBitmap(src, idx * src.getWidth(), 0, null);
}
return bitmap;
}
(1)第一種利用系統提供的api實現
Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.pic);
//bitmap = Bitmap.createBitmap(200, 30, Config.ARGB_8888);
BitmapDrawable drawable = new BitmapDrawable(bitmap);
drawable.setTileModeXY(TileMode.REPEAT , TileMode.REPEAT );
drawable.setDither(true);
view.setBackgroundDrawable(drawable);
(2)第二種使用xml來輕鬆實現
< bitmap xmlns:android="http://schemas.android.com/apk/res/android" android:src="@drawable/img"
android:tileMode="repeat" />
3)第三種自己畫出來
public static Bitmap createRepeater(int width, Bitmap src){
int count = (width + src.getWidth() - 1) / src.getWidth();
Bitmap bitmap = Bitmap.createBitmap(width, src.getHeight(), Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
for(int idx = 0; idx < count; ++ idx){
canvas.drawBitmap(src, idx * src.getWidth(), 0, null);
}
return bitmap;
}