單擊圖像打開導航抽屜

Question

我有一個導航抽屜活動。 我只需單擊操作欄中的主頁按鈕即可打開導航抽屜。

我想知道是否有可能通過單擊ImageView來打開它，這將是一個片段，以及如何執行此操作。

謝謝。

=====編輯：

我是通過向導創建活動的，所以有MainActivity，占位符活動（用於內容）和NavigationDrawerActivity（用於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片段類似於向導的左側。

這是我的堆棧跟蹤：

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)

Answer 1

對的，這是可能的。 在按鈕上單擊使用： ((YourActivityWithDrawer)getActivity()).drawerLayout.openDrawer(your_drawer);

哪里：

• YourActivityWithDrawer是包含抽屜的Activity ，

• drawerLayout是您的DrawerLayout對象

• your_drawer是實際的抽屜對象。

方法在這里描述

Answer 2

我在MainActivity中創建了這兩個全局變量：

DrawerLayout drawerLayout;
int fragmentId;

MainActivity的onCreate（）看起來像這樣：

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));
                            }
                        }
                    }
                });