Android 如何在设备上显示与屏幕右侧对齐的AdMob广告
我正在尝试将Admob横幅对齐到设备屏幕的右侧。然而,这对我不起作用。我正在创建一个这样的横幅Android 如何在设备上显示与屏幕右侧对齐的AdMob广告,android,android-layout,android-relativelayout,Android,Android Layout,Android Relativelayout,我正在尝试将Admob横幅对齐到设备屏幕的右侧。然而,这对我不起作用。我正在创建一个这样的横幅 RelativeLayout layout = new RelativeLayout(activity); activity.addContentView(layout, new RelativeLayout.LayoutParams( LayoutParams.MATCH_PARENT,
RelativeLayout layout = new RelativeLayout(activity);
activity.addContentView(layout, new RelativeLayout.LayoutParams(
LayoutParams.MATCH_PARENT,
LayoutParams.MATCH_PARENT));
setLayout(layout, llType);
此处调用setLayout
,根据类型设置横幅的布局
private void setLayout(RelativeLayout layout, int type) {
switch (type) {
case AdLayoutType.Top:
layout.setGravity(Gravity.TOP | Gravity.CENTER_HORIZONTAL);
break;
case AdLayoutType.Bottom:
layout.setGravity(Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL);
break;
case AdLayoutType.Left:
RelativeLayout.LayoutParams leftParams = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
leftParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
layout.setLayoutParams(leftParams);
break;
case AdLayoutType.Right:
//This does not work as it gives Class cast exception
RelativeLayout.LayoutParams rightParams = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
rightParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
layout.setLayoutParams(rightParams);
break;
default:
break;
}
有人能帮我吗?
谢谢
}我想我知道问题出在哪里了 活动的外部布局始终是框架布局。因为您正在将RelativeLayout添加到活动布局父级是FrameLayout而不是RelativeLayout这就是为什么存在类强制转换异常。应为FrameLayout.LayoutParams 以下是xml格式的示例:
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent" android:layout_height="match_parent">
<RelativeLayout
android:layout_width="320dp"
android:layout_height="50dp"
android:background="@color/white"
android:layout_gravity="top|center_horizontal">
</RelativeLayout>
<RelativeLayout
android:layout_width="320dp"
android:layout_height="50dp"
android:background="@color/white"
android:layout_gravity="bottom|center_horizontal">
</RelativeLayout>
<RelativeLayout
android:layout_width="320dp"
android:layout_height="50dp"
android:background="@color/white"
android:layout_alignParentLeft="true" <!-- has no effect, default align is left -->
android:layout_gravity="center_vertical">
</RelativeLayout>
<RelativeLayout
android:layout_width="320dp"
android:layout_height="50dp"
android:background="@color/white"
android:layout_alignParentRight="true"
<!-- has no effect, cause parent is no RelativeLayout this is causing class cast exception -->
android:layout_gravity="center_vertical">
</RelativeLayout>
</FrameLayout>
错过了休息时间;在AdLayoutType之后。左:故意阻止?谢谢,这不是故意的,而是同一个问题。
private void setLayout(RelativeLayout layout, int type) {
switch (type) {
case AdLayoutType.Top:
layout.setGravity(Gravity.TOP | Gravity.CENTER_HORIZONTAL);
break;
case AdLayoutType.Bottom:
layout.setGravity(Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL);
break;
case AdLayoutType.Left:
FrameLayout.LayoutParams leftParams = new FrameLayout.LayoutParams(FrameLayout.LayoutParams.WRAP_CONTENT, FrameLayout.LayoutParams.WRAP_CONTENT);
layout.setLayoutParams(leftParams);
layout.setGravity(Gravity.LEFT);
break;
case AdLayoutType.Right:
FrameLayout.LayoutParams rightParams = new FrameLayout.LayoutParams(FrameLayout.LayoutParams.WRAP_CONTENT,FrameLayout.LayoutParams.WRAP_CONTENT);
layout.setLayoutParams(rightParams);
layout.setGravity(Gravity.RIGHT);
break;
default:
break;
}