我试图运行它,但它一直给我错误。可能是进口问题吗? 使用网格布局的XML给出了以下错误
<android.support.v7.widget.GridLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:alignmentMode="alignBounds"
app:orientation="horizontal"
android:padding="16dp"
app:useDefaultMargins="true"
app:columnCount="1" >
<TextView
android:id="@+id/from_label"
app:layout_gravity="fill_horizontal"
android:text="@string/from"
android:textColor="?android:textColorSecondary" />
<AutoCompleteTextView
android:id="@+id/from"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
app:layout_gravity="fill_horizontal"
android:completionThreshold="3" />
<TextView
android:id="@+id/to_label"
app:layout_gravity="fill_horizontal"
android:text="@string/to"
android:textColor="?android:textColorSecondary" />
<AutoCompleteTextView
android:id="@+id/to"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
app:layout_gravity="fill_horizontal"
android:completionThreshold="3" />
<Button
android:id="@+id/load_directions"
app:layout_columnSpan="@integer/create_account_pane_column_count"
app:layout_gravity="fill_horizontal"
android:text="@string/load_directions" />
</android.support.v7.widget.GridLayout>
错误:
一开始:
Multiple annotations found at this line:
- error: No resource identifier found for
attribute 'columnCount' in package
'com.ecs.google.maps.v2.actionbarsherlock'
- error: No resource identifier found for
attribute 'useDefaultMargins' in package
'com.ecs.google.maps.v2.actionbarsherlock'
- error: No resource identifier found for
attribute 'alignmentMode' in package
'com.ecs.google.maps.v2.actionbarsherlock'
- error: No resource identifier found for
attribute 'orientation' in package
'com.ecs.google.maps.v2.
再向下:
error: No resource identifier found for attribute 'layout_gravity'
in package 'com.ecs.google.maps.v2.actionbarsherlock'
这给了我一个读R的错误,我认为这是因为无论出于何种原因,它都没有与XML正确连接。
清单:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.ecs.google.maps.v2.actionbarsherlock"
android:versionCode="1"
android:versionName="1.0" >
<!-- Specify the correct minSDK and targetSDK versions. -->
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<!-- Google Maps related permissions -->
<permission
android:name="com.ecs.google.maps.v2.actionbarsherlock.permission.MAPS_RECEIVE"
android:protectionLevel="signature" />
<uses-permission android:name="com.example.mapdemo.permission.MAPS_RECEIVE" />
<!-- Network connectivity permissions -->
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<!-- Access Google based webservices -->
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<!-- External storage for caching. -->
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<!-- My Location -->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_MOCK_LOCATION" />
<!-- Maps API needs OpenGL ES 2.0. -->
<uses-feature
android:glEsVersion="0x00020000"
android:required="true" />
` <application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<meta-data android:name="com.google.android.maps.v2.API_KEY" android:value="AIzaSyA_u1faIXRhx_Q7NafFbrhQJEerl6UUbPY"/>
<activity
android:name="com.ecs.google.maps.v2.actionbarsherlock.TabbedActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="com.ecs.google.maps.v2.fragment.DirectionsInputActivity"
android:label="@string/directions_input" >
</activity>
</application>
</manifest>
我不认为这是多个错误,而是一个很大的错误,它会弄乱一切。