在我的几个应用程序中实现新的Snackbar之后,我收到以下错误：
java.lang.ArrayIndexOutOfBoundsException: length=1; index=1 at android.support.v4.widget.ViewDragHelper.shouldInterceptTouchEvent(SourceFile:1014) at android.support.design.widget.SwipeDismissBehavior.onInterceptTouchEvent(SourceFile:188) at android.support.design.widget.Snackbar$Behavior.onInterceptTouchEvent(SourceFile:659) at android.support.design.widget.Snackbar$Behavior.onInterceptTouchEvent(SourceFile:641) at android.support.design.widget.CoordinatorLayout.performIntercept(SourceFile:343) at android.support.design.widget.CoordinatorLayout.onInterceptTouchEvent(SourceFile:376) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1827) at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2241) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1946) at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2241) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1946) at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2241) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1946) at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2241) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1946) at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2241) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1946) at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2241) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1946) at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1968) at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1420) at android.app.Activity.dispatchTouchEvent(Activity.java:2428) at android.support.v7.internal.view.WindowCallbackWrapper.dispatchTouchEvent(SourceFile:59) at android.support.v7.internal.view.WindowCallbackWrapper.dispatchTouchEvent(SourceFile:59) at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1916) at android.view.View.dispatchPointerEvent(View.java:7475) at android.view.ViewRootImpl.deliverPointerEvent(ViewRootImpl.java:3744) at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:3672) at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:4924) at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:4884) at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:5036) at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:179) at android.view.InputEventReceiver.nativeConsumeBatchedInputEvents(Native Method) at android.view.InputEventReceiver.consumeBatchedInputEvents(InputEventReceiver.java:171) at android.view.ViewRootImpl.doConsumeBatchedInput(ViewRootImpl.java:5004) at android.view.ViewRootImpl$ConsumeBatchedInputRunnable.run(ViewRootImpl.java:5058) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:776) at android.view.Choreographer.doCallbacks(Choreographer.java:579) at android.view.Choreographer.doFrame(Choreographer.java:546) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:762) at android.os.Handler.handleCallback(Handler.java:725) at android.os.Handler.dispatchMessage(Handler.java:92) at android.os.Looper.loop(Looper.java:153) at android.app.ActivityThread.main(ActivityThread.java:5299) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:511) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:833) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600) at dalvik.system.NativeStart.main(Native Method)
public class MainActivity extends AppCompatActivity {
private Snackbar snackbar;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
// if showing already,close
if (this.snackbar != null) {
this.snackbar.dismiss();
}
// make new snackbar
this.snackbar = Snackbar.make(view,"Here's a Snackbar",Snackbar.LENGTH_LONG).show();
// chris banes example
// Snackbar.make(view,Snackbar.LENGTH_LONG).setAction("Action",null).show();
}
});
}
@Override
public void onPause() {
super.onPause();
// dismiss when user clicks "home"
if (this.snackbar != null) {
this.snackbar.dismiss();
}
}
}
概要：
我正在使用Snackbar
我正在使用CoodinartorLayout
>我没有使用DrawerLayout
Google问题：
> http://code.google.com/p/android/issues/detail?id=175501
> http://code.google.com/p/android/issues/detail?id=103888
基于异常行中的android.support.v4.widget.ViewDragHelper.shouldInterceptTouchEvent(SourceFile：1014),我猜测它与Snackbar的“解雇”有关？
也许我不应该在OnPause中解雇Snackbar？我曾经用烤面包机做这个.
解决方法
我发现一个解决方案是通过使用findViewById(android.R.id.content)来确保它不是“可刷卡”的.该解决方案基本上“避免”并防止错误发生.
Snackbar.make(findViewById(android.R.id.content),"Hello!",Snackbar.LENGTH_LONG);
应在23.2.1：https://stackoverflow.com/a/36004008/950427中修正
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