Android java.lang.NullPointerException SearchView OnCreateOptions菜单
我正在努力使我的应用程序为姜饼API 10工作。当我点击菜单时,我的应用程序崩溃,出现以下错误-Android java.lang.NullPointerException SearchView OnCreateOptions菜单,android,android-support-library,android-actionbar-compat,android-search,android-searchmanager,Android,Android Support Library,Android Actionbar Compat,Android Search,Android Searchmanager,我正在努力使我的应用程序为姜饼API 10工作。当我点击菜单时,我的应用程序崩溃,出现以下错误- java.lang.NullPointerException at com.sample.appdemo.onCreateOptionsMenu(AppDemoListActivity.java:83) 在过去,我的应用程序与API 11及更高版本配合得很好。有人能帮忙吗 以下是我所拥有的: build.gradle: AppDemoListActivity.java 操作
java.lang.NullPointerException
at com.sample.appdemo.onCreateOptionsMenu(AppDemoListActivity.java:83)
在过去,我的应用程序与API 11及更高版本配合得很好。有人能帮忙吗
以下是我所拥有的:
build.gradle:
AppDemoListActivity.java
操作栏搜索菜单:
更新1:
舱单:
AppDemoListActivity.java的第83行是什么?第83行:searchView.SetSearchBaleInfo searchManager.getSearchableInfocn;并且SearchActivity.class已经存在,并且已在您的清单中注册???是。我将添加一个可能重复的更新
apply plugin: 'com.android.application'
android {
compileSdkVersion 21
buildToolsVersion "21.1.2"
defaultConfig {
applicationId "com.sample.appdemo"
minSdkVersion 8
targetSdkVersion 19
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
}
}
productFlavors {
}
}
dependencies {
compile project(':poi-3.10-FINAL-20140208')
compile 'com.android.support:appcompat-v7:21.0.3'
}
package ...;
import android.app.SearchManager;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.MenuItemCompat;
import android.support.v7.widget.SearchView;
import ...;
@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.action_bar_search_optionsmenu, menu);
SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
MenuItem searchItem = menu.findItem(R.id.action_search);
SearchView searchView = (SearchView) MenuItemCompat.getActionView(searchItem);
ComponentName cn = new ComponentName(this, SearchActivity.class);
searchView.setSearchableInfo(
searchManager.getSearchableInfo(cn)
);
return super.onCreateOptionsMenu(menu);
}
<?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:icon="@drawable/ic_action_search"
android:title="@string/action_search"
app:showAsAction="always"
app:actionViewClass="android.support.v7.widget.SearchView"/>
</menu>
<activity
android:name=".SearchActivity"
android:label="@string/title_activity_search"
android:parentActivityName=".AppDemoListActivity" >
<!-- This intent-filter identifies this activity as "searchable" -->
<intent-filter>
<action android:name="android.intent.action.SEARCH" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
<!-- This metadata entry provides further configuration details for searches -->
<!-- that are handled by this activity. -->
<meta-data
android:name="android.app.searchable"
android:resource="@xml/searchable" />
</activity>