IDEA FrameLayout

IDEA FrameLayout
引自

http://www.runoob.com/w3cnote/android-tutorial-framelayout.html
主要就两个属性:
android:foreground=设置改帧布局容器的前景图像
android:foregroundGravity=设置前景图像显示的位置

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
        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:foreground="@drawable/person"
        android:foregroundGravity="right|bottom"
        tools:context=".MainActivity">

    <TextView
            android:background="@android:color/black"
            android:layout_width="300dp"
            android:layout_height="300dp">
    </TextView>

    <TextView
            android:background="@android:color/holo_blue_bright"
            android:layout_width="200dp"
            android:layout_height="200dp">
    </TextView>

    <TextView
            android:background="@android:color/holo_orange_dark"
            android:layout_width="100dp"
            android:layout_height="100dp">
    </TextView>
</FrameLayout>

图如下:
这里写图片描述

找不到R文件Error:com.android.ide.common.process.ProcessException: Error while executing process E:\AndroidSDK\build-tools\26.0.2\aapt.exe with arguments {package -f --no-crunch -I E:\AndroidSDK\platforms\android-26\android.jar -M \\?\E:\chapter02\FrameLayout\app\build\intermediates\manifests\full\debug\AndroidManifest.xml -S E:\chapter02\FrameLayout\app\build\intermediates\res\merged\debug -m -J \\?\E:\chapter02\FrameLayout\app\build\generated\source\r\debug -F E:\chapter02\FrameLayout\app\build\intermediates\res\debug\resources-debug.ap_ --custom-package com.example.dell.framelayout -0 apk --preferred-density xxhdpi --output-text-symbols \\?\E:\chapter02\FrameLayout\app\build\intermediates\symbols\debug --no-version-vectors} Error:Execution failed for task ':app:processDebugResources'. > Failed to execute aapt Error:org.gradle.process.internal.ExecException: Process 'command 'E:\AndroidSDK\build-tools\26.0.2\aapt.exe'' finished with non-zero exit value 1 Error:(165, 31) No resource found that matches the given name (at 'layout_above' with value '@id/btn_submit'). Error:java.util.concurrent.ExecutionException: com.android.ide.common.process.ProcessException: Error while executing process E:\AndroidSDK\build-tools\26.0.2\aapt.exe with arguments {package -f --no-crunch -I E:\AndroidSDK\platforms\android-26\android.jar -M \\?\E:\chapter02\FrameLayout\app\build\intermediates\manifests\full\debug\AndroidManifest.xml -S E:\chapter02\FrameLayout\app\build\intermediates\res\merged\debug -m -J \\?\E:\chapter02\FrameLayout\app\build\generated\source\r\debug -F E:\chapter02\FrameLayout\app\build\intermediates\res\debug\resources-debug.ap_ --custom-package com.example.dell.framelayout -0 apk --preferred-density xxhdpi --output-text-symbols \\?\E:\chapter02\FrameLayout\app\build\intermediates\symbols\debug --no-version-vectors}
最新发布
03-13
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