这不是我的应用程序,这是nordic应用程序,它的源代码在
github上,我正在尝试在我的机器上运行soutce.但我不断有这个错误：
03-07 07:12:13.641 12622-12622/com.noxel.apppaneladmintry2 E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.noxel.apppaneladmintry2,PID: 12622
java.lang.IllegalStateException: View can not be anchored to the the parent CoordinatorLayout
at android.support.design.widget.CoordinatorLayout$LayoutParams.resolveAnchorView(CoordinatorLayout.java:2522)
at android.support.design.widget.CoordinatorLayout$LayoutParams.findAnchorView(CoordinatorLayout.java:2491)
at android.support.design.widget.CoordinatorLayout.prepareChildren(CoordinatorLayout.java:619)
at android.support.design.widget.CoordinatorLayout.onMeasure(CoordinatorLayout.java:670)
at android.view.View.measure(View.java:17442)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
at android.support.v7.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:135)
at android.view.View.measure(View.java:17442)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
at android.view.View.measure(View.java:17442)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
at android.view.View.measure(View.java:17442)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
at android.view.View.measure(View.java:17442)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2560)
at android.view.View.measure(View.java:17442)
at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2001)
at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1166)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1372)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1054)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5779)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
at android.view.Choreographer.doCallbacks(Choreographer.java:580)
at android.view.Choreographer.doFrame(Choreographer.java:550)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5257)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:921)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:716)
这是我的主动性的布局：
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.AppBarLayout
style="@style/HeaderBar"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?actionBarSize"
android:theme="@style/ActionBarThemeOverlay"
app:popupTheme="@style/ActionBarPopupThemeOverlay"
app:titleTextAppearance="@style/ActionBar.TitleText"/>
<android.support.design.widget.TabLayout
android:id="@+id/sliding_tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:tabSelectedTextColor="@color/tabSelectedTextColor"
app:tabTextColor="@color/tabTextColor"
app:tabIndicatorColor="@color/tabIndicatorColor"
app:tabGravity="fill"
app:tabMode="fixed"/>
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
<android.support.design.widget.FloatingActionButton
android:id="@+id/fab_add"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="@dimen/fab_margin"
android:src="@drawable/fab_ic_add"
app:backgroundTint="@color/fab_normal"
app:layout_anchor="@+id/container"
app:layout_anchorGravity="bottom|right|end"
app:elevation="4dp"/>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/background_title"
android:layout_gravity="bottom|center"
android:layout_marginBottom="6dp"/>
</android.support.design.widget.CoordinatorLayout>
这是我的垃圾屏幕代码：
public class SplashscreenActivity extends Activity {
/** Splash screen duration time in milliseconds */
private static final int DELAY = 1000;
@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_splashscreen);
// Jump to MainActivity after DELAY milliseconds
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
final Intent intent = new Intent(SplashscreenActivity.this,MainActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
intent.putExtra(MainActivity.OPENED_FROM_LAUNCHER,true);
startActivity(intent);
finish();
}
},DELAY);
}
@Override
public void onBackPressed() {
// do nothing. Protect from exiting the application when splash screen is shown
}
}
这是我的启动屏幕的布局：
<merge 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"
tools:context=".SplashscreenActivity" >
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginBottom="70dp"
android:scaleType="center"
android:src="@drawable/nordic_logo" />
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/background_title"
android:layout_gravity="bottom|center"
android:layout_marginBottom="6dp"/>
任何人都可以告诉我如何解决这个问题？
解决方法
这在支持设计库v.23.2.0中开始发生
compile 'com.android.support:design:23.2.0'
我知道这是从v23.2.0开始,因为我的应用程序在(v.23.1.2)之前工作正常,并在更新后开始呈现相同的故障.
错误很简单：
您的其中一个视图被锚定到其父协调器布局.但是,从v.23.2.0开始,这是不再允许的.
我认为错误在你的FAB：
<android.support.design.widget.FloatingActionButton
android:id="@+id/fab_add"
...
app:layout_anchor="@+id/container"
... />
我相信id / container是父协调器Layout
定影
正确的方法是更改layout_anchor并使用另一个视图作为锚点(父布局或任何固定在屏幕底部的其他视图).
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