[英]How to add dynamic image view with cross button on top right side
您应该使用2个imageViews创建一个frameLayout,其中一个包含实际图像,另一个包含十字。
创建包含框架布局的custom_view.xml
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
....>
<ImageView/>
<ImageView/>
</FrameLayout>
然后创建一个自定义视图类,如下所示:
public class MyCustomView extends ViewGroup {
public MyCustomView(Context context, AttributeSet attrs) {
super(context, attrs);
LayoutInflater inflater = LayoutInflater.from(context);
layoutInflater.inflate(R.layout.custom_view, this);
}
}
如我所见,您的问题已得到解决。 首先,创建视图的XML
布局。 然后创建将使用GET
方法扩展的类。 然后通过代码创建此Views
并添加到容器中。
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout android:id="@+id/root"
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="200dp"
android:layout_height="150dp">
<ImageView
android:id="@+id/img_photo"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="12dp"
android:background="#000"/>
<ImageButton
android:id="@+id/btn_close"
android:layout_width="35dp"
android:layout_height="35dp"
android:layout_gravity="end"
android:background="#00000000"
android:scaleType="fitXY"
android:src="@drawable/temp_close"/>
</FrameLayout>
public class CustomView extends FrameLayout {
private View mRoot;
private ImageView mImgPhoto;
private View mBtnClose;
private Context mContext;
public CustomView(final Context context) {
this(context, null);
}
public CustomView(final Context context, final AttributeSet attrs) {
this(context, attrs, 0);
}
public CustomView(final Context context, final AttributeSet attrs, final int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(context);
}
private void init(final Context context) {
if (isInEditMode())
return;
final LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View customView = null;
if (inflater != null)
customView = inflater.inflate(R.layout.layout_custom, this);
if (customView == null)
return;
mRoot = customView.findViewById(R.id.root);
mImgPhoto = (ImageView) customView.findViewById(R.id.img_photo);
mBtnClose = customView.findViewById(R.id.btn_close);
}
public View getRoot() {
return mRoot;
}
public ImageView getImgPhoto() {
return mImgPhoto;
}
public View getBtnClose() {
return mBtnClose;
}
}
以及该人员的最终用法:
final CustomView customView1 = new CustomView(getBaseContext());
final CustomView customView2 = new CustomView(getBaseContext());
final LinearLayout container = (LinearLayout) findViewById(R.id.container);
container.addView(customView1);
container.addView(customView2);
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