Android App - imageview 顯示與隱藏

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方法一, 在XML檔內加入

顯示
<ImageView
android:id="@+id/custom"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|right"
android:src="@drawable/custom1"
android:visibility="visible"/>


隱藏
<ImageView
android:id="@+id/custom"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|right"
android:src="@drawable/custom1"
android:visibility="invisible"/>


隱藏
<ImageView
android:id="@+id/custom"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|right"
android:src="@drawable/custom1"
android:visibility="gone"/>


方法二, 在JAVA 檔內加入


ImageView imgView =(ImageView)findViewById(R.id.custom);

imgView .setVisibility(View.VISIBLE);
imgView .setVisibility(View.INVISIBLE);
imgView .setVisibility(View.GONE);