Android程式碼中動態設定圖片的大小（自動縮放），位置
阿新 • • 發佈：2019-01-25
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="${relativePackage}.${activityClass}" > <ImageView android:id="@+id/image01"android:layout_width="wrap_content" android:layout_height="wrap_content" android:scaleType="fitXY" android:src="@drawable/aabb" />
</RelativeLayout>
public class MainActivity extends Activity {private ImageView image;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);image = (ImageView)findViewById(R.id.image01); //設定圖片的位置MarginLayoutParams margin9 = new MarginLayoutParams(image.getLayoutParams());margin9.setMargins(400, 10, 0, 0);//在左邊距400畫素，頂邊距10畫素的位置顯示圖片RelativeLayout.LayoutParams layoutParams9 = new RelativeLayout.LayoutParams(margin9);layoutParams9.height = 600;//設定圖片的高度layoutParams9.width = 800; //設定圖片的寬度image.setLayoutParams(layoutParams9);}}