[英]Open a navigation drawer by image click
我有一个导航抽屉活动。 我只需单击操作栏中的主页按钮即可打开导航抽屉。
我想知道是否有可能通过单击ImageView来打开它,这将是一个片段,以及如何执行此操作。
谢谢。
=====编辑:
我是通过向导创建活动的,所以有MainActivity,占位符活动(用于内容)和NavigationDrawerActivity(用于actionBar和Drawer)。
在MainActivity的onCreate()中,我有:setContentView(R.layout.activity_main);
//Cria menu de navegação
mNavigationDrawerFragment = (NavigationDrawerFragment)
locationmanager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
getSupportFragmentManager().findFragmentById(R.id.navigation_drawer);
mTitle = getTitle();
mDrawerLayout= mNavigationDrawerFragment.getmDrawerLayout();
// Configura menu de navegação
mNavigationDrawerFragment.setUp(
R.id.navigation_drawer,
(DrawerLayout) findViewById(R.id.drawer_layout));
在占位符片段中,我有:
rootView = inflater.inflate(R.layout.fragment_main, container, false);
ImageView imageView = (ImageView) rootView.findViewById(R.id.logoInicio);
imageView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Log.i("Image click", "Clicked");
if (main.mNavigationDrawerFragment!=null){
if (!main.mNavigationDrawerFragment.isDrawerOpen()) {
main.mDrawerLayout.openDrawer(main.mydrawer);
}
}
}
});
navigationDrawer片段类似于向导的左侧。
这是我的堆栈跟踪:
FATAL EXCEPTION: main
Process: workshopee.ct.ufrn.br.ssmonitor, PID: 15902
java.lang.NullPointerException
at workshopee.ct.ufrn.br.ssmonitor.PlaceholderFragment$2.onClick(PlaceholderFragment.java:144)
at android.view.View.performClick(View.java:4456)
at android.view.View$PerformClick.run(View.java:18462)
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:5086)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
at dalvik.system.NativeStart.main(Native Method)
对的,这是可能的。 在按钮上单击使用: ((YourActivityWithDrawer)getActivity()).drawerLayout.openDrawer(your_drawer);
哪里:
YourActivityWithDrawer
是包含抽屉的Activity
,
drawerLayout
是您的DrawerLayout
对象
your_drawer
是实际的抽屉对象。
方法在这里描述
我在MainActivity中创建了这两个全局变量:
DrawerLayout drawerLayout;
int fragmentId;
MainActivity的onCreate()看起来像这样:
的setContentView(R.layout.activity_main);
//Cria menu de navegação
mNavigationDrawerFragment = (NavigationDrawerFragment)
getSupportFragmentManager().findFragmentById(R.id.navigation_drawer);
mTitle = getTitle();
fragmentId = R.id.navigation_drawer;
drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
// Configura menu de navegação
mNavigationDrawerFragment.setUp(
fragmentId,
drawerLayout);
最后,我的占位符片段:
rootView = inflater.inflate(R.layout.fragment_main, container, false);
ImageView imageView = (ImageView) rootView.findViewById(R.id.logoInicio);
imageView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (main.mNavigationDrawerFragment!=null){
if (!main.mNavigationDrawerFragment.isDrawerOpen()) {
main.drawerLayout.openDrawer(getActivity().findViewById(main.fragmentId));
}
}
}
});
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