実行時に多数のTextViewをスクロールビューに追加しようとしていますが、が取得されますThe specified child already has a parent. You must call removeView on the child's parent first
。
main.xml
<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
</LinearLayout>
</ScrollView>
testapp
@Override
public void onCreate(Bundle savedInstanceState) {
TextView[] data;
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
View layout = findViewById(R.id.layout);
.......................................
data = new TextView[10];
for (int i = 0; i < 10; i++) {
data[i] = new TextView(this);
data[i].setText("data = " + i);
((ViewGroup) layout).addView(data[i]);
}
setContentView(layout);
}