使用选择器设置背景时,会导致找不到资源

时间:2015-04-26 01:42:01

标签: android layout selector

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

    <RelativeLayout
        android:id="@+id/rellay_action_bar_bg"
        android:layout_width="match_parent"
        android:layout_height="@dimen/action_bar_height"
        android:background="@color/blue" >

        <Button
            android:id="@+id/btn_action_bar_left"
            android:layout_width="20dp"
            android:layout_height="30dp"
            android:layout_alignParentLeft="true"
            android:layout_centerVertical="true"
            android:layout_marginLeft="5dp"
            android:background="@drawable/selector_btn_back"
            android:contentDescription="@string/app_name"
            android:visibility="invisible" />

        <TextView
            android:id="@+id/tv_action_bar_title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:layout_gravity="center"
            android:textColor="@color/white"
            android:textSize="@dimen/text_size" />

        <Button
            android:id="@+id/btn_action_bar_right"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:layout_centerVertical="true"
            android:layout_marginRight="5dp"
            android:background="@drawable/selector_btn_action_bar_right"
            android:contentDescription="@string/app_name"
            android:visibility="invisible" />
    </RelativeLayout>

    <LinearLayout
        android:id="@+id/content"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_below="@id/rellay_action_bar_bg"
        android:orientation="vertical" >
    </LinearLayout>

</RelativeLayout>

这是导致问题的布局。"android:background="@drawable/selector_btn_action_bar_right"&#34; 这个观点。

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:color="@color/blue" android:state_pressed="true"></item>
    <item android:color="@color/white" android:state_pressed="false"></item>

</selector>

这是选择器

  

04-26 01:30:01.550:E / AndroidRuntime(1556):致命异乎寻常:主要   04-26 01:30:01.550:E / AndroidRuntime(1556):   java.lang.RuntimeException:无法启动活动   ComponentInfo {} com.yuanpaiapp.yuanpai.android/com.yuanpaiapp.yuanpai.android.activity.LoginActivity:   android.view.InflateException:二进制XML文件行#32:错误   inflating class 04-26 01:30:01.550:E / AndroidRuntime(1556):     在   android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2180)   04-26 01:30:01.550:E / AndroidRuntime(1556):at   android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)   04-26 01:30:01.550:E / AndroidRuntime(1556):at   android.app.ActivityThread.access $ 600(ActivityThread.java:141)04-26   01:30:01.550:E / AndroidRuntime(1556):at   android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1234)   04-26 01:30:01.550:E / AndroidRuntime(1556):at   android.os.Handler.dispatchMessage(Handler.java:99)04-26   01:30:01.550:E / AndroidRuntime(1556):at   android.os.Looper.loop(Looper.java:137)04-26 01:30:01.550:   E / AndroidRuntime(1556):at   android.app.ActivityThread.main(ActivityThread.java:5041)04-26   01:30:01.550:E / AndroidRuntime(1556):at   java.lang.reflect.Method.invokeNative(Native Method)04-26   01:30:01.550:E / AndroidRuntime(1556):at   java.lang.reflect.Method.invoke(Method.java:511)04-26 01:30:01.550:   E / AndroidRuntime(1556):at   com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:793)   04-26 01:30:01.550:E / AndroidRuntime(1556):at   com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)04-26   01:30:01.550:E / AndroidRuntime(1556):at   dalvik.system.NativeStart.main(Native Method)04-26 01:30:01.550:   E / AndroidRuntime(1556):引起:android.view.InflateException:   二进制XML文件行#32:错误导致类04-26   01:30:01.550:E / AndroidRuntime(1556):at   android.view.LayoutInflater.createView(LayoutInflater.java:613)04-26   01:30:01.550:E / AndroidRuntime(1556):at   com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)   04-26 01:30:01.550:E / AndroidRuntime(1556):at   android.view.LayoutInflater.onCreateView(LayoutInflater.java:660)   04-26 01:30:01.550:E / AndroidRuntime(1556):at   android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:685)   04-26 01:30:01.550:E / AndroidRuntime(1556):at   android.view.LayoutInflater.rInflate(LayoutInflater.java:746)04-26   01:30:01.550:E / AndroidRuntime(1556):at   android.view.LayoutInflater.rInflate(LayoutInflater.java:749)04-26   01:30:01.550:E / AndroidRuntime(1556):at   android.view.LayoutInflater.inflate(LayoutInflater.java:489)04-26   01:30:01.550:E / AndroidRuntime(1556):at   android.view.LayoutInflater.inflate(LayoutInflater.java:396)04-26   01:30:01.550:E / AndroidRuntime(1556):at   android.view.LayoutInflater.inflate(LayoutInflater.java:352)04-26   01:30:01.550:E / AndroidRuntime(1556):at   com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:270)   04-26 01:30:01.550:E / AndroidRuntime(1556):at   android.app.Activity.setContentView(Activity.java:1881)04-26   01:30:01.550:E / AndroidRuntime(1556):at   com.yuanpaiapp.yuanpai.android.BaseActivity.onCreate(BaseActivity.java:29)   04-26 01:30:01.550:E / AndroidRuntime(1556):at   android.app.Activity.performCreate(Activity.java:5104)04-26   01:30:01.550:E / AndroidRuntime(1556):at   android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)   04-26 01:30:01.550:E / AndroidRuntime(1556):at   android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144)   04-26 01:30:01.550:E / AndroidRuntime(1556):... 11更多04-26   01:30:01.550:E / AndroidRuntime(1556):引起:   java.lang.reflect.InvocationTargetException 04-26 01:30:01.550:   E / AndroidRuntime(1556):at   java.lang.reflect.Constructor.constructNative(Native Method)04-26   01:30:01.550:E / AndroidRuntime(1556):at   java.lang.reflect.Constructor.newInstance(Constructor.java:417)04-26   01:30:01.550:E / AndroidRuntime(1556):at   android.view.LayoutInflater.createView(LayoutInflater.java:587)04-26   01:30:01.550:E / AndroidRuntime(1556):... 25更多04-26 01:30:01.550:   E / AndroidRuntime(1556):引起:   android.content.res.Resources $ NotFoundException:File   来自drawable的res / drawable-mdpi-v4 / selector_btn_action_bar_right.xml   资源ID#0x7f020019 04-26 01:30:01.550:E / AndroidRuntime(1556):     在android.content.res.Resources.loadDrawable(Resources.java:1953)   04-26 01:30:01.550:E / AndroidRuntime(1556):at   android.content.res.TypedArray.getDrawable(TypedArray.java:601)04-26   01:30:01.550:E / AndroidRuntime(1556):at   android.view.View。(View.java:3330)04-26 01:30:01.550:   E / AndroidRuntime(1556):at   android.widget.TextView。(TextView.java:583)04-26 01:30:01.550:   E / AndroidRuntime(1556):at   android.widget.Button。(Button.java:107)04-26 01:30:01.550:   E / AndroidRuntime(1556):at   android.widget.Button。(Button.java:103)04-26 01:30:01.550:   E / AndroidRuntime(1556):... 28更多04-26 01:30:01.550:   E / AndroidRuntime(1556):引起:   org.xmlpull.v1.XmlPullParserException:二进制XML文件行#4:   标签需要一个可绘制的&#39;定义drawable的属性或子标记   04-26 01:30:01.550:E / AndroidRuntime(1556):at   android.graphics.drawable.StateListDrawable.inflate(StateListDrawable.java:178)   04-26 01:30:01.550:E / AndroidRuntime(1556):at   android.graphics.drawable.Drawable.createFromXmlInner(Drawable.java:885)   04-26 01:30:01.550:E / AndroidRuntime(1556):at   android.graphics.drawable.Drawable.createFromXml(Drawable.java:822)   04-26 01:30:01.550:E / AndroidRuntime(1556):at   android.content.res.Resources.loadDrawable(Resources.java:1950)04-26   01:30:01.550:E / AndroidRuntime(1556):... 33 more

1 个答案:

答案 0 :(得分:0)

使用 drawable 代替颜色

有两种可选方法,

  • 在选择器

    中使用形状
    <?xml version="1.0" encoding="utf-8"?>
    <selector xmlns:android="http://schemas.android.com/apk/res/android" >
    <item android:state_pressed="true" >
            <shape xmlns:android="http://schemas.android.com/apk/res/android"
                android:shape="rectangle" >
                <solid android:color="@color/blue" />
            </shape>
        </item>
        <item >
            <shape xmlns:android="http://schemas.android.com/apk/res/android"
                android:shape="rectangle" >
                <solid android:color="@color/white" />
            </shape>
        </item>
    </selector>
    
  • 在选择器

    中使用图片
    <?xml version="1.0" encoding="utf-8"?>
    <selector xmlns:android="http://schemas.android.com/apk/res/android">
        <item android:drawable="@drawable/blue" android:state_pressed="true" />
        <item android:drawable="@drawable/white" android:state_pressed="false" />
    </selector>