我想更改图片的行。 我用GridLayout中的XML代码创建了照片,但是现在我无法更改Java代码中的行。
XML代码:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="400dp"
android:id="@+id/relativeLayout"
android:layout_marginTop="180dp"
tools:context=".EasyMap1">
<GridLayout
android:id="@+id/gridlayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
android:rowCount="6"
android:columnCount="6">
<ImageView
android:id="@+id/car1"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_rowWeight="1"
android:layout_columnWeight="1"
android:layout_row="4"
android:layout_column="1"
android:layout_columnSpan="2"
app:srcCompat="@drawable/car1" />
</GridLayout>
</RelativeLayout>
Java代码:
ImageView []car = new ImageView[8];
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_easy_map1);
gridLayout = findViewById(R.id.gridlayout);
car[0] = findViewById(R.id.car1);
有什么办法吗?