Android 个人学习问题

XML布局文件内容：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas./apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <CheckBox
        android:id="@+id/checkbox1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/checkbox1" />

    <CheckBox
        android:id="@+id/checkbox2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/checkbox2"
        android:typeface="serif"
        android:textColor="@string/color"/>

    <CheckBox
        android:id="@+id/checkbox3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/checkbox3"
        android:textStyle="bold"
        />

    <CheckBox
        android:id="@+id/checkbox4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/checkbox4"
        android:textStyle="italic"/>
   
    <Button
        android:id="@+id/getcheckbox"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/getCkButton"/>

</LinearLayout>



02-15 03:32:14.542: E/AndroidRuntime(766): FATAL EXCEPTION: main
02-15 03:32:14.542: E/AndroidRuntime(766): java.lang.RuntimeException: Unable to start activity ComponentInfo{org.shanghai.qiuqiaohua/org.shanghai.qiuqiaohua.CheckboxActivity}: android.view.InflateException: Binary XML file line #20: Error inflating class <unknown>
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.app.ActivityThread.access$600(ActivityThread.java:123)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.os.Handler.dispatchMessage(Handler.java:99)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.os.Looper.loop(Looper.java:137)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.app.ActivityThread.main(ActivityThread.java:4424)
02-15 03:32:14.542: E/AndroidRuntime(766):     at java.lang.reflect.Method.invokeNative(Native Method)
02-15 03:32:14.542: E/AndroidRuntime(766):     at java.lang.reflect.Method.invoke(Method.java:511)
02-15 03:32:14.542: E/AndroidRuntime(766):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
02-15 03:32:14.542: E/AndroidRuntime(766):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
02-15 03:32:14.542: E/AndroidRuntime(766):     at dalvik.system.NativeStart.main(Native Method)
02-15 03:32:14.542: E/AndroidRuntime(766): Caused by: android.view.InflateException: Binary XML file line #20: Error inflating class <unknown>
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.view.LayoutInflater.createView(LayoutInflater.java:606)
02-15 03:32:14.542: E/AndroidRuntime(766):     at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.view.LayoutInflater.onCreateView(LayoutInflater.java:653)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:678)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:739)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
02-15 03:32:14.542: E/AndroidRuntime(766):     at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:251)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.app.Activity.setContentView(Activity.java:1835)
02-15 03:32:14.542: E/AndroidRuntime(766):     at org.shanghai.qiuqiaohua.CheckboxActivity.onCreate(CheckboxActivity.java:20)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.app.Activity.performCreate(Activity.java:4465)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
02-15 03:32:14.542: E/AndroidRuntime(766):     ... 11 more
02-15 03:32:14.542: E/AndroidRuntime(766): Caused by: java.lang.reflect.InvocationTargetException
02-15 03:32:14.542: E/AndroidRuntime(766):     at java.lang.reflect.Constructor.constructNative(Native Method)
02-15 03:32:14.542: E/AndroidRuntime(766):     at java.lang.reflect.Constructor.newInstance(Constructor.java:417)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.view.LayoutInflater.createView(LayoutInflater.java:586)
02-15 03:32:14.542: E/AndroidRuntime(766):     ... 24 more
02-15 03:32:14.542: E/AndroidRuntime(766): Caused by: android.content.res.Resources$NotFoundException: File #FF0000 from drawable resource ID #0x7f04000e: .xml extension required
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.content.res.Resources.loadColorStateList(Resources.java:2062)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.content.res.TypedArray.getColorStateList(TypedArray.java:342)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.widget.TextView.<init>(TextView.java:774)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.widget.Button.<init>(Button.java:108)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.widget.CompoundButton.<init>(CompoundButton.java:68)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.widget.CheckBox.<init>(CheckBox.java:69)
02-15 03:32:14.542: E/AndroidRuntime(766):     at android.widget.CheckBox.<init>(CheckBox.java:65)
02-15 03:32:14.542: E/AndroidRuntime(766):     ... 27 more


RGB颜色编码不能在xlm中使用android:textColor="@string/color"/> 方式获取，通过该方式获取的只是字符，
必须直接使用android:textColor="#FF0000"/>  方式才可以。

异常查看方式：主要是通过查看日志文件，日志文件主要查看的是Caused by这些语句。