我想要将一个只包含图片的视图放在主布局中心屏幕上方,目前我只能将充气视图添加为主布局的第一个子项。如何将ImageView充气到其他视图之上并位于屏幕中央?
LayoutInflater inflater = (LayoutInflater)getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
layout = inflater.inflate(R.layout.image_preview,(ViewGroup)findViewById(R.id.previewHolder));
((LinearLayout) (LinearLayout)findViewById(R.id.fullScreen)).addView(layout);//add inflated to main view
主布局
<LinearLayout 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"
android:focusable="true"
android:orientation="vertical"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
>
<LinearLayout
android:id="@+id/fullScreen"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
</LinearLayout>
<TableLayout
android:id="@+id/root"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center"
android:focusableInTouchMode="true"
android:stretchColumns="*" >
........................
</TableLayout>
</LinearLayout>
活动
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_testing_cam);
badge.setOnClickListener(btnListener);
}
private OnClickListener btnListener = new OnClickListener() {
@Override
public void onClick(View v) {
//SELECTS BUTTON ACTIONS
switch(v.getId()){
case R.id.status:
finish();
break;
default:
previewImages(v.getId());
break;
}
}
};
//CARRY OUT IMAGE FUNCTIONS
public void previewImages(int index){
try{
LayoutInflater inflater = (LayoutInflater)getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
layout = inflater.inflate(R.layout.image_preview,(ViewGroup)findViewById(R.id.previewHolder));
((LinearLayout) (LinearLayout)findViewById(R.id.fullScreen)).addView(layout);
ImageView iv = (ImageView)findViewById(R.id.previewImage);
BitmapDrawable drawable = (BitmapDrawable) ((ImageView) showCase.getChildAt(index)).getDrawable();
Bitmap bitmap = drawable.getBitmap();
iv.setImageBitmap(bitmap);
((LinearLayout) (LinearLayout)findViewById(R.id.fullScreen)).bringToFront();
}catch(Exception e){ Log.i("ERROR FLATE", e.toString()); }
return;
}
正在被膨胀的视图
<?xml version="1.0" encoding="utf-8"?>
<ImageView
android:id="@+id/previewImage"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center"
android:adjustViewBounds="true"
android:scaleType="fitXY"/>
fullScreen
和root
上方添加这样的视图吗? - a.bertuccifullscreen
中,因为我无法将其添加到顶级父元素中。所以是的,我希望它在所有视图之上,然后当我点击时再将其移除。它应该是一个占据整个屏幕的ImageView。 - kabuto178onClickListener
中调用它,在单击按钮后,我想要填充与该按钮相关联的图片的全屏预览。 - kabuto178