在世界你好XML错误 [英] errors in hello world xml
问题描述
我是新来的android开发和正在看书吧(开始的Android 4.0开发),并同时创造世界你好我被困在几个误区,首先,我解决了他们,但我的应用程序被强制关闭,所以我复制粘贴的所有事情并得到了4个错误: -
i am new to android development and was reading a book for it (beginning android 4 development) and while creating hello world i got stuck in few errors, first i solved them but my app was force closing so i copy pasted all thing and got 4 errors :-
在该行找到多个注释:
- 属性丢失了Android命名空间preFIX
- 可疑的命名空间:应该以http://
- 打开报价预计为属性的xmlns:机器人与元素类型的LinearLayout有关。
- 错误:错误的解析XML:没有很好地形成(无效标记)
Multiple annotations found at this line: - Attribute is missing the Android namespace prefix - Suspicious namespace: should start with http:// - Open quote is expected for attribute "xmlns:android" associated with an element type "LinearLayout". - error: Error parsing XML: not well-formed (invalid token)
意外的命名空间preFIX机器人找到的标记的TextView
Unexpected namespace prefix "android" found for tag TextView
在该行找到多个注释:
- 意外的命名空间preFIX机器人找到标签的TextView
- 属性丢失了Android命名空间preFIX
Multiple annotations found at this line: - Unexpected namespace prefix "android" found for tag TextView - Attribute is missing the Android namespace prefix
意外的命名空间preFIX机器人找到的标记按钮
Unexpected namespace prefix "android" found for tag Button
code样品
<?xml version ="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/ android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_orientation="vertical"
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello" />
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/This is my first Android Application!" />
<Button
android:layout_width="fill_parent"
android:layout_width="wrap_content"
android:text="@string/And this is clickable :D" />
我不认为有一个在code任何错误:/
i dont think there's any mistake in code :/
推荐答案
替换code的每一个符合的报价和使用CTR +筛选+ f和保存文件。
Replace the quotes of every line of code with " and use ctr+sift+f and save the file.
<?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="vertical" >
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello" />
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/This is my first Android Application!" />
<Button
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/And this is clickable :D" />
</LinearLayout>
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