我有布局问题。我的代码有一个LayoutInflater设置以下xml作为布局,并将循环几次显示我的学校时间表。虽然我已将relativelayout的marginBottom和Top设置为50dp,但为什么每个布局仍然粘在一起?
这里是xml:
<RelativeLayout
android:id="@+id/left_part"
android:layout_width="70dp"
android:layout_height="70dp"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true" >
<TextView
android:id="@+id/table_day"
android:layout_width="match_parent"
android:layout_height="56dp"
android:layout_above="@+id/table_date"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:gravity="center"
android:text="@string/table_day"
android:textSize="@dimen/table_day_size" />
<TextView
android:id="@+id/table_date"
android:layout_width="match_parent"
android:layout_height="14dp"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:gravity="center"
android:text="@string/table_date"
android:textSize="@dimen/table_date_size" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/center_part"
android:layout_width="180dp"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/left_part"
android:layout_alignTop="@+id/left_part"
android:layout_toRightOf="@+id/left_part" >
<RelativeLayout
android:id="@+id/center_part1"
android:layout_width="wrap_content"
android:layout_height="20dp"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true" >
<TextView
android:id="@+id/table_time"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:text="@string/table_time"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textSize="@dimen/table_timelocationclass_size" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/center_part2"
android:layout_width="wrap_content"
android:layout_height="40dp"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_below="@+id/center_part1" >
<TextView
android:id="@+id/table_subject"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:padding="1dp"
android:gravity="center_vertical"
android:text="@string/table_subject"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textSize="@dimen/table_subject_size" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/center_part3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_below="@+id/center_part2" >
<TextView
android:id="@+id/table_lecturer"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:text="@string/table_lecturer"
android:textAppearance="?android:attr/textAppearanceSmall"
android:textSize="@dimen/table_lecturer_size" />
</RelativeLayout>
</RelativeLayout>
<RelativeLayout
android:id="@+id/right_part"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/center_part"
android:layout_alignParentRight="true"
android:layout_alignTop="@+id/center_part"
android:layout_toRightOf="@+id/center_part" >
<RelativeLayout
android:id="@+id/right_part1"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true" >
<TextView
android:id="@+id/table_location"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true"
android:text="@string/table_location" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/right_part2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_below="@+id/right_part1" >
<TextView
android:id="@+id/table_class"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true"
android:text="@string/table_class" />
</RelativeLayout>
</RelativeLayout>
这是打印屏幕:
这是循环:
LinearLayout ll = (LinearLayout)findViewById(R.id.main_table);
ll.removeAllViews();
//set table layout
for(int i=0;i<tableRow.size();i++)
{
LayoutInflater inflater = getLayoutInflater();
View perClassTable = inflater.inflate(R.layout.perclass_table, null);
TextView table_day = (TextView)perClassTable.findViewById(R.id.table_day);
TextView table_date = (TextView)perClassTable.findViewById(R.id.table_date);
TextView table_time = (TextView)perClassTable.findViewById(R.id.table_time);
TextView table_location = (TextView)perClassTable.findViewById(R.id.table_location);
TextView table_class = (TextView)perClassTable.findViewById(R.id.table_class);
TextView table_subject = (TextView)perClassTable.findViewById(R.id.table_subject);
TextView table_lecturer = (TextView)perClassTable.findViewById(R.id.table_lecturer);
table_day.setText(date[i].substring(0, 3));
table_date.setText(date[1].substring(4,13));
table_time.setText(time[i]);
table_location.setText(loca[i]);
table_class.setText(clas[i]);
table_subject.setText(subj[i]);
table_lecturer.setText(lect[i]);
//testing
ll.addView(perClassTable);
}
答案 0 :(得分:0)
RelativeLayout
从上到下评估它的子项。因此,如果您使用android:layout_above="@+id/table_date"
之类的内容,则必须使用table_date
。
<RelativeLayout
android:id="@+id/left_part"
android:layout_width="70dp"
android:layout_height="70dp"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true" >
<TextView
android:id="@+id/table_date"
android:layout_width="match_parent"
android:layout_height="14dp"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:gravity="center"
android:text="@string/table_date"
android:textSize="@dimen/table_date_size" />
<TextView
android:id="@+id/table_day"
android:layout_width="match_parent"
android:layout_height="56dp"
android:layout_above="@+id/table_date"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:gravity="center"
android:text="@string/table_day"
android:textSize="@dimen/table_day_size" />
</RelativeLayout>
在这里,我已经交换了文本视图。
答案 1 :(得分:0)
看起来像是一个列表,请查看ListView。 如果正确实现适配器,它甚至会回收视图!
答案 2 :(得分:0)
在LayoutParams
循环结束时为您的虚增视图设置一些for
边距:
//...
table_subject.setText(subj[i]);
table_lecturer.setText(lect[i]);
// set some proper LayoutParams for the inflated View which is going to be added
// to the ll LinearLayout
LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
// set some margins to distance the rows
lp.topMargin = 100;
lp.bottomMargin = 100;
// add the inflated view with to ll with the LayoutParams above.
ll.addView(perClassTable, lp);
}
LayoutParams
是一个特殊类,旨在与ViewGroup
子类一起使用,它通常包含布局属性,如宽度/高度,边距,布局定位规则等。
此外,您可以通过删除所有这些包装RelativeLayouts
来改进布局文件,并直接在父TextViews
中设置RelativeLayout
。如果行数很大,你可能还想查看ListView
小部件,正如galex在他的回答中所说。