- 时间:2020-10-15 09:53 编辑: 来源: 阅读:
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摘要:Android layout_weight使用方法及实例
直接上代码和图片。
情况一:
[html]
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<fragment
android:id="@+id/titles"
android:layout_width="0dip"
android:layout_height="match_parent"
android:layout_weight="1"
class="com.a2bgeek.fragmentdemo.TitlesFragment" />
<FrameLayout
android:id="@+id/details"
android:layout_width="0dip"
android:layout_height="match_parent"
android:layout_weight="2" >
</FrameLayout>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<fragment
android:id="@+id/titles"
android:layout_width="0dip"
android:layout_height="match_parent"
android:layout_weight="1"
class="com.a2bgeek.fragmentdemo.TitlesFragment" />
<FrameLayout
android:id="@+id/details"
android:layout_width="0dip"
android:layout_height="match_parent"
android:layout_weight="2" >
</FrameLayout>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<fragment
android:id="@+id/titles"
android:layout_width="0dip"
android:layout_height="match_parent"
android:layout_weight="1"
class="com.a2bgeek.fragmentdemo.TitlesFragment" />
<FrameLayout
android:id="@+id/details"
android:layout_width="0dip"
android:layout_height="match_parent"
android:layout_weight="2" >
</FrameLayout>
</LinearLayout>
[img]http://files.jb51.net/file_images/article/201306/201363111107016.jpg[/img]
情况2:
[html]
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<fragment
android:id="@+id/titles"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
class="com.a2bgeek.fragmentdemo.TitlesFragment" />
<FrameLayout
android:id="@+id/details"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="2" >
</FrameLayout>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<fragment
android:id="@+id/titles"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
class="com.a2bgeek.fragmentdemo.TitlesFragment" />
<FrameLayout
android:id="@+id/details"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="2" >
</FrameLayout>
</LinearLayout>
[img]http://files.jb51.net/file_images/article/201306/201363111247732.jpg[/img]
情况三:
Fragment这个东西在wrap_content的情况下会占据全部,和控件不太一样。