我只是试着做这个教程来创建自定义 Android SeekBar -- >> http://www.mokasocial.com/2011/02/create-a-custom-styled-ui-slider-seekbar-in-android/
看起来我已经完成了所有工作，但是当我尝试运行应用程序时，它会在 LogCat 中启动很多错误，并且我的应用程序停止工作。这是 LogCat 抛出的内容：
09-23 21:21:19.390: I/ApplicationPackageManager(3171): cscCountry is not German : SEB
09-23 21:21:19.460: D/AndroidRuntime(3171): Shutting down VM
09-23 21:21:19.460: W/dalvikvm(3171): threadid=1: thread exiting with uncaught exception (group=0x40018578)
09-23 21:21:19.484: E/AndroidRuntime(3171): FATAL EXCEPTION: main
09-23 21:21:19.484: E/AndroidRuntime(3171): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.uisample/com.example.uisample.MainActivity}: android.view.InflateException: Binary XML file line #11: Error inflating class android.widget.SeekBar
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1651)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.os.Handler.dispatchMessage(Handler.java:99)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.os.Looper.loop(Looper.java:130)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.app.ActivityThread.main(ActivityThread.java:3687)
09-23 21:21:19.484: E/AndroidRuntime(3171): at java.lang.reflect.Method.invokeNative(Native Method)
09-23 21:21:19.484: E/AndroidRuntime(3171): at java.lang.reflect.Method.invoke(Method.java:507)
09-23 21:21:19.484: E/AndroidRuntime(3171): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:867)
09-23 21:21:19.484: E/AndroidRuntime(3171): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:625)
09-23 21:21:19.484: E/AndroidRuntime(3171): at dalvik.system.NativeStart.main(Native Method)
09-23 21:21:19.484: E/AndroidRuntime(3171): Caused by: android.view.InflateException: Binary XML file line #11: Error inflating class android.widget.SeekBar
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.view.LayoutInflater.createView(LayoutInflater.java:518)
09-23 21:21:19.484: E/AndroidRuntime(3171): at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:568)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.view.LayoutInflater.rInflate(LayoutInflater.java:623)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.view.LayoutInflater.inflate(LayoutInflater.java:408)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
09-23 21:21:19.484: E/AndroidRuntime(3171): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:209)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.app.Activity.setContentView(Activity.java:1657)
09-23 21:21:19.484: E/AndroidRuntime(3171): at com.example.uisample.MainActivity.onCreate(MainActivity.java:13)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615)
09-23 21:21:19.484: E/AndroidRuntime(3171): ... 11 more
09-23 21:21:19.484: E/AndroidRuntime(3171): Caused by: java.lang.reflect.InvocationTargetException
09-23 21:21:19.484: E/AndroidRuntime(3171): at java.lang.reflect.Constructor.constructNative(Native Method)
09-23 21:21:19.484: E/AndroidRuntime(3171): at java.lang.reflect.Constructor.newInstance(Constructor.java:415)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.view.LayoutInflater.createView(LayoutInflater.java:505)
09-23 21:21:19.484: E/AndroidRuntime(3171): ... 22 more
09-23 21:21:19.484: E/AndroidRuntime(3171): Caused by: android.content.res.Resources$NotFoundException: File res/drawable/seekbar_progress.xml from drawable resource ID #0x7f020003
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.content.res.Resources.loadDrawable(Resources.java:1697)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.content.res.TypedArray.getDrawable(TypedArray.java:601)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.widget.ProgressBar.<init>(ProgressBar.java:179)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.widget.AbsSeekBar.<init>(AbsSeekBar.java:61)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.widget.SeekBar.<init>(SeekBar.java:81)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.widget.SeekBar.<init>(SeekBar.java:77)
09-23 21:21:19.484: E/AndroidRuntime(3171): ... 25 more
09-23 21:21:19.484: E/AndroidRuntime(3171): Caused by: org.xmlpull.v1.XmlPullParserException: Binary XML file line #5: <item> tag requires a 'drawable' attribute or child tag defining a drawable
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.graphics.drawable.LayerDrawable.inflate(LayerDrawable.java:150)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.graphics.drawable.Drawable.createFromXmlInner(Drawable.java:787)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.graphics.drawable.Drawable.createFromXml(Drawable.java:728)
09-23 21:21:19.484: E/AndroidRuntime(3171): at android.content.res.Resources.loadDrawable(Resources.java:1694)
09-23 21:21:19.484: E/AndroidRuntime(3171): ... 30 more
*seekbar_progress.xml*
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item android:id="@android:id/background">
<nine-patch
xmlns:android="http://schemas.android.com/apk/res/android"
android:dither="true"
android:src="@drawable/seekbar_background" />
</item>
<item android:id="@android:id/secondaryProgress">
<clip>
<shape>
<gradient
android:angle="270"
android:centerColor="#80127fb1"
android:centerY="0.75"
android:endColor="#a004638f"
android:startColor="#80028ac8" />
</shape>
</clip>
</item>
<item
android:id="@android:id/progress"
android:drawable="@drawable/seekbar_progress_bg"/>
</layer-list>
*seekbar_progress_bg.xml*
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item>
<clip>
<shape>
<gradient
android:angle="270"
android:centerColor="#FF32a0d2"
android:centerY="0.1"
android:endColor="#FF13729e"
android:startColor="#FF5e8ea3" />
</shape>
</clip>
</item>
<item>
<clip>
<bitmap
xmlns:android="http://schemas.android.com/apk/res/android"
android:antialias="true"
android:dither="false"
android:filter="false"
android:gravity="left"
android:src="@drawable/stripe_bg"
android:tileMode="repeat" />
</clip>
</item>
</layer-list>
*activity_main.xml*
<RelativeLayout 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:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<SeekBar
android:id="@+id/seekBar1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginTop="185dp"
android:progressDrawable="@drawable/seekbar_progress"
android:thumb="@drawable/seek_thumb_normal" />
</RelativeLayout>
我知道只有在stackoverflow中有很多带有这个错误的主题，但我还没有找到解决方案，所以希望有人知道解决方案并可以帮助我。欣赏。