android中对weight的学习可以说是必须的,如果ui布局仅仅使用dp与sp等等,会让布局显得极度不灵活,毕竟各个手机屏幕大小不同,更别说是还有ipad之类的了,所以也是同做本人近期做的一个小ui来分享一下weight的使用。
左边是各个屏幕的显示效果,右边是1080*1920屏幕的具体显示效果。可以看到,不管屏幕如何变化,使用weight的布局中总是填充满屏幕的,至于美观效果就不说了,直接上代码。
小编使用的android studio,eclipse用户直接复制肯定会有问题,as用户直接复制修改一下中间的图片便可以用啦。
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<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:orientation= "vertical" >
<relativelayout
android:layout_width= "match_parent"
android:layout_height= "0dp"
android:layout_weight= "0.5"
android:background= "#7eb345" >
<button
android:layout_width= "wrap_content"
android:layout_height= "match_parent"
android:background= "@android:color/transparent"
android:drawableleft= "@drawable/left_menu"
android:paddingleft= "17dp" />
<textview
android:layout_width= "wrap_content"
android:layout_height= "wrap_content"
android:layout_centerinparent= "true"
android:text= "某某科技大学"
android:textsize= "25sp" />
<button
android:layout_width= "wrap_content"
android:layout_height= "match_parent"
android:layout_alignparentright= "true"
android:background= "@android:color/transparent"
android:text= "登陆"
android:textcolor= "#fff"
android:textsize= "20sp" />
</relativelayout>
<textview
android:layout_width= "match_parent"
android:layout_height= "0dp"
android:layout_weight= "1.5"
android:background= "@drawable/school" />
<linearlayout
android:layout_width= "match_parent"
android:layout_height= "0dp"
android:layout_weight= "1"
android:orientation= "horizontal" >
<button
android:layout_width= "0dp"
android:layout_height= "match_parent"
android:layout_weight= "1"
android:background= "@android:color/transparent"
android:drawabletop= "@mipmap/ic_launcher"
android:paddingtop= "18dp"
android:text= "校园新闻" />
<button
android:layout_width= "0dp"
android:layout_height= "match_parent"
android:layout_weight= "1"
android:background= "@android:color/transparent"
android:drawabletop= "@mipmap/ic_launcher"
android:paddingtop= "18dp"
android:text= "学术公告" />
<button
android:layout_width= "0dp"
android:layout_height= "match_parent"
android:layout_weight= "1"
android:background= "@android:color/transparent"
android:drawabletop= "@mipmap/ic_launcher"
android:paddingtop= "18dp"
android:text= "成绩查询" />
</linearlayout>
<linearlayout
android:layout_width= "match_parent"
android:layout_height= "0dp"
android:layout_weight= "1"
android:orientation= "horizontal" >
<button
android:layout_width= "0dp"
android:layout_height= "match_parent"
android:layout_weight= "1"
android:background= "@android:color/transparent"
android:drawabletop= "@mipmap/ic_launcher"
android:paddingtop= "18dp"
android:text= "课表信息" />
<button
android:layout_width= "0dp"
android:layout_height= "match_parent"
android:layout_weight= "1"
android:background= "@android:color/transparent"
android:drawabletop= "@mipmap/ic_launcher"
android:paddingtop= "18dp"
android:text= "图书借阅" />
<button
android:layout_width= "0dp"
android:layout_height= "match_parent"
android:layout_weight= "1"
android:background= "@android:color/transparent"
android:drawabletop= "@mipmap/ic_launcher"
android:paddingtop= "18dp"
android:text= "饭卡消费" />
</linearlayout>
<linearlayout
android:layout_width= "match_parent"
android:layout_height= "0dp"
android:layout_weight= "1"
android:orientation= "horizontal" >
<button
android:layout_width= "0dp"
android:layout_height= "match_parent"
android:layout_weight= "1"
android:background= "@android:color/transparent"
android:drawabletop= "@mipmap/ic_launcher"
android:paddingtop= "18dp"
android:text= "校园地图" />
<button
android:layout_width= "0dp"
android:layout_height= "match_parent"
android:layout_weight= "1"
android:background= "@android:color/transparent"
android:drawabletop= "@mipmap/ic_launcher"
android:paddingtop= "18dp"
android:text= "在线咨询" />
<button
android:id= "@+id/neirongbuju"
android:layout_width= "0dp"
android:layout_height= "match_parent"
android:layout_weight= "1"
android:background= "@android:color/transparent"
android:drawabletop= "@mipmap/ic_launcher"
android:paddingtop= "18dp"
android:text= "查看更多" />
</linearlayout>
</linearlayout>
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以上就是本文的全部内容,希望对大家的学习有所帮助。