ternes3 ternes3 - 7 months ago 31
Java Question

Cannot instantiate class: android.support.v7.widget.SearchView

I´m trying to use a

SearchView
for my Application. First i added
appcompat
to my project:

compile "com.android.support:appcompat-v7:19.0.1+"


secound i add this code to my menu:

<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/action_search"
android:title="@string/search"
android:icon="@drawable/ic_action_search"
android:showAsAction="ifRoom|collapseActionView"
android:actionViewClass="android.support.v7.widget.SearchView" />
</menu>


but when i start the
activity
i get this:


03-07 17:25:39.110 16861-16861/de.treevo.app W/MenuInflater﹕ Cannot
instantiate class: android.support.v7.widget.SearchView
java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance(Native Method)
at android.view.MenuInflater$MenuState.newInstance(MenuInflater.java:471)
at android.view.MenuInflater$MenuState.setItem(MenuInflater.java:430)
at android.view.MenuInflater$MenuState.addItem(MenuInflater.java:451)
at android.view.MenuInflater.parseMenu(MenuInflater.java:188)
at android.view.MenuInflater.inflate(MenuInflater.java:110)
at de.treevo.app.search.onCreateOptionsMenu(search.java:260)
at android.app.Activity.onCreatePanelMenu(Activity.java:2538)
at com.android.internal.policy.impl.PhoneWindow.preparePanel(PhoneWindow.java:489)
at com.android.internal.policy.impl.PhoneWindow.doInvalidatePanelMenu(PhoneWindow.java:853)
at com.android.internal.policy.impl.PhoneWindow$1.run(PhoneWindow.java:273)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)
at android.view.Choreographer.doCallbacks(Choreographer.java:574)
at android.view.Choreographer.doFrame(Choreographer.java:543)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5017)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
Caused by: android.view.InflateException: Binary XML file line #41: Error inflating class
at android.view.LayoutInflater.createView(LayoutInflater.java:620)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:669)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:694)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.support.v7.widget.SearchView.(SearchView.java:262)
at android.support.v7.widget.SearchView.(SearchView.java:254)
            at java.lang.reflect.Constructor.newInstance(Native Method)
            at android.view.MenuInflater$MenuState.newInstance(MenuInflater.java:471)
            at android.view.MenuInflater$MenuState.setItem(MenuInflater.java:430)
            at android.view.MenuInflater$MenuState.addItem(MenuInflater.java:451)
            at android.view.MenuInflater.parseMenu(MenuInflater.java:188)
            at android.view.MenuInflater.inflate(MenuInflater.java:110)
            at de.treevo.app.search.onCreateOptionsMenu(search.java:260)
            at android.app.Activity.onCreatePanelMenu(Activity.java:2538)
            at com.android.internal.policy.impl.PhoneWindow.preparePanel(PhoneWindow.java:489)
            at com.android.internal.policy.impl.PhoneWindow.doInvalidatePanelMenu(PhoneWindow.java:853)
            at com.android.internal.policy.impl.PhoneWindow$1.run(PhoneWindow.java:273)
            at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)
            at android.view.Choreographer.doCallbacks(Choreographer.java:574)
            at android.view.Choreographer.doFrame(Choreographer.java:543)
            at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
            at android.os.Handler.handleCallback(Handler.java:733)
            at android.os.Handler.dispatchMessage(Handler.java:95)
            at android.os.Looper.loop(Looper.java:136)
            at android.app.ActivityThread.main(ActivityThread.java:5017)
            at java.lang.reflect.Method.invoke(Native Method)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance(Native Method)
at android.view.LayoutInflater.createView(LayoutInflater.java:594)
            at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
            at android.view.LayoutInflater.onCreateView(LayoutInflater.java:669)
            at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:694)
            at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
            at android.support.v7.widget.SearchView.(SearchView.java:262)
            at android.support.v7.widget.SearchView.(SearchView.java:254)
            at java.lang.reflect.Constructor.newInstance(Native Method)
            at android.view.MenuInflater$MenuState.newInstance(MenuInflater.java:471)
            at android.view.MenuInflater$MenuState.setItem(MenuInflater.java:430)
            at android.view.MenuInflater$MenuState.addItem(MenuInflater.java:451)
            at android.view.MenuInflater.parseMenu(MenuInflater.java:188)
            at android.view.MenuInflater.inflate(MenuInflater.java:110)
            at de.treevo.app.search.onCreateOptionsMenu(search.java:260)
            at android.app.Activity.onCreatePanelMenu(Activity.java:2538)
            at com.android.internal.policy.impl.PhoneWindow.preparePanel(PhoneWindow.java:489)
            at com.android.internal.policy.impl.PhoneWindow.doInvalidatePanelMenu(PhoneWindow.java:853)
            at com.android.internal.policy.impl.PhoneWindow$1.run(PhoneWindow.java:273)
            at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)
            at android.view.Choreographer.doCallbacks(Choreographer.java:574)
            at android.view.Choreographer.doFrame(Choreographer.java:543)
            at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
            at android.os.Handler.handleCallback(Handler.java:733)
            at android.os.Handler.dispatchMessage(Handler.java:95)
            at android.os.Looper.loop(Looper.java:136)
            at android.app.ActivityThread.main(ActivityThread.java:5017)
            at java.lang.reflect.Method.invoke(Native Method)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
Caused by: android.content.res.Resources$NotFoundException: Resource is not a Drawable (color or path):
TypedValue{t=0x2/d=0x7f010030 a=-1}
at android.content.res.Resources.loadDrawable(Resources.java:2068)
at android.content.res.TypedArray.getDrawable(TypedArray.java:602)
at android.widget.ImageView.(ImageView.java:129)
at android.widget.ImageView.(ImageView.java:119)
            at java.lang.reflect.Constructor.newInstance(Native Method)
            at android.view.LayoutInflater.createView(LayoutInflater.java:594)
            at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
            at android.view.LayoutInflater.onCreateView(LayoutInflater.java:669)
            at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:694)
            at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
            at android.support.v7.widget.SearchView.(SearchView.java:262)
            at android.support.v7.widget.SearchView.(SearchView.java:254)
            at java.lang.reflect.Constructor.newInstance(Native Method)
            at android.view.MenuInflater$MenuState.newInstance(MenuInflater.java:471)
            at android.view.MenuInflater$MenuState.setItem(MenuInflater.java:430)
            at android.view.MenuInflater$MenuState.addItem(MenuInflater.java:451)
            at android.view.MenuInflater.parseMenu(MenuInflater.java:188)
            at android.view.MenuInflater.inflate(MenuInflater.java:110)
            at de.treevo.app.search.onCreateOptionsMenu(search.java:260)
            at android.app.Activity.onCreatePanelMenu(Activity.java:2538)
            at com.android.internal.policy.impl.PhoneWindow.preparePanel(PhoneWindow.java:489)
            at com.android.internal.policy.impl.PhoneWindow.doInvalidatePanelMenu(PhoneWindow.java:853)
            at com.android.internal.policy.impl.PhoneWindow$1.run(PhoneWindow.java:273)
            at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)
            at android.view.Choreographer.doCallbacks(Choreographer.java:574)
            at android.view.Choreographer.doFrame(Choreographer.java:543)
            at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
            at android.os.Handler.handleCallback(Handler.java:733)
            at android.os.Handler.dispatchMessage(Handler.java:95)
            at android.os.Looper.loop(Looper.java:136)
            at android.app.ActivityThread.main(ActivityThread.java:5017)
            at java.lang.reflect.Method.invoke(Native Method)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)


and when i push the search icon nothing happen :(

Edit1:

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.offline, menu);
MenuItem searchItem = menu.findItem(R.id.action_search);
mSearchView = (SearchView) searchItem.getActionView();
//setupSearchView(searchItem);

// menu.findItem(R.id.action_search).getActionView();

return true;
}

Answer

Try to add a custom prefixe on your layout like:

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

      <item android:id="@+id/action_search"
          android:title="@string/search"
          android:icon="@drawable/ic_action_search"
          app:showAsAction="ifRoom|collapseActionView"
          app:actionViewClass="android.support.v7.widget.SearchView" />

</menu>  

See the documentation, in the example, you must to add a custom prefixe (as "app" in the code above).


Also, instead of:

MenuItem searchItem = menu.findItem(R.id.action_search);
mSearchView = (SearchView) searchItem.getActionView();  

Try this:

MenuItem searchItem = menu.findItem(R.id.action_search);
// with MenuItemCompat instead of your MenuItem
mSearchView = (SearchView) MenuItemCompat.getActionView(searchItem);  

Let me know if this helps.