ActionBarDrawerToggle的ActionBarActivity - 不使用drawerImageRes

 红杏出墙的爱_408 发布于 2023-02-09 19:02

从这个Android示例开始,我试图创建一个使用支持版本的应用程序(android.support.v4和android.support.v7).

该示例创建一个如下所示的菜单抽屉

在此输入图像描述 在此输入图像描述

我的代码得到了这个

在此输入图像描述

请注意,图标是不同的,它的移动方式是不同的,在我的版本中,它不会移动.

示例代码

public class MainActivity extends Activity {
    private DrawerLayout mDrawerLayout;
    private ListView mDrawerList;
    private ActionBarDrawerToggle mDrawerToggle;

    private CharSequence mDrawerTitle;
    private CharSequence mTitle;
    private String[] mPlanetTitles;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mTitle = mDrawerTitle = getTitle();
        mPlanetTitles = getResources().getStringArray(R.array.planets_array);
        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        mDrawerList = (ListView) findViewById(R.id.left_drawer);

        // set a custom shadow that overlays the main content when the drawer opens
        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
        // set up the drawer's list view with items and click listener
        mDrawerList.setAdapter(new ArrayAdapter(this,
                R.layout.drawer_list_item, mPlanetTitles));
        mDrawerList.setOnItemClickListener(new DrawerItemClickListener());

        // enable ActionBar app icon to behave as action to toggle nav drawer
        getActionBar().setDisplayHomeAsUpEnabled(true);
        getActionBar().setHomeButtonEnabled(true);

        // ActionBarDrawerToggle ties together the the proper interactions
        // between the sliding drawer and the action bar app icon
        mDrawerToggle = new ActionBarDrawerToggle(
                this,                  /* host Activity */
                mDrawerLayout,         /* DrawerLayout object */
                R.drawable.ic_drawer,  /* nav drawer image to replace 'Up' caret */
                R.string.drawer_open,  /* "open drawer" description for accessibility */
                R.string.drawer_close  /* "close drawer" description for accessibility */
                ) {
            public void onDrawerClosed(View view) {
                getActionBar().setTitle(mTitle);
                invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
            }

            public void onDrawerOpened(View drawerView) {
                getActionBar().setTitle(mDrawerTitle);
                invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
            }
        };
        mDrawerLayout.setDrawerListener(mDrawerToggle);

        if (savedInstanceState == null) {
            selectItem(0);
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.main, menu);
        return super.onCreateOptionsMenu(menu);
    }

    /* Called whenever we call invalidateOptionsMenu() */
    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        // If the nav drawer is open, hide action items related to the content view
        boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
        menu.findItem(R.id.action_websearch).setVisible(!drawerOpen);
        return super.onPrepareOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
         // The action bar home/up action should open or close the drawer.
         // ActionBarDrawerToggle will take care of this.
        if (mDrawerToggle.onOptionsItemSelected(item)) {
            return true;
        }
        // Handle action buttons
        switch(item.getItemId()) {
        case R.id.action_websearch:
            // create intent to perform web search for this planet
            Intent intent = new Intent(Intent.ACTION_WEB_SEARCH);
            intent.putExtra(SearchManager.QUERY, getActionBar().getTitle());
            // catch event that there's no activity to handle intent
            if (intent.resolveActivity(getPackageManager()) != null) {
                startActivity(intent);
            } else {
                Toast.makeText(this, R.string.app_not_available, Toast.LENGTH_LONG).show();
            }
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }

    /* The click listner for ListView in the navigation drawer */
    private class DrawerItemClickListener implements ListView.OnItemClickListener {
        @Override
        public void onItemClick(AdapterView parent, View view, int position, long id) {
            selectItem(position);
        }
    }

    private void selectItem(int position) {
        // update the main content by replacing fragments
        Fragment fragment = new PlanetFragment();
        Bundle args = new Bundle();
        args.putInt(PlanetFragment.ARG_PLANET_NUMBER, position);
        fragment.setArguments(args);

        FragmentManager fragmentManager = getFragmentManager();
        fragmentManager.beginTransaction().replace(R.id.content_frame, fragment).commit();

        // update selected item and title, then close the drawer
        mDrawerList.setItemChecked(position, true);
        setTitle(mPlanetTitles[position]);
        mDrawerLayout.closeDrawer(mDrawerList);
    }

    @Override
    public void setTitle(CharSequence title) {
        mTitle = title;
        getActionBar().setTitle(mTitle);
    }

    /**
     * When using the ActionBarDrawerToggle, you must call it during
     * onPostCreate() and onConfigurationChanged()...
     */

    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        // Sync the toggle state after onRestoreInstanceState has occurred.
        mDrawerToggle.syncState();
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        // Pass any configuration change to the drawer toggls
        mDrawerToggle.onConfigurationChanged(newConfig);
    }

    /**
     * Fragment that appears in the "content_frame", shows a planet
     */
    public static class PlanetFragment extends Fragment {
        public static final String ARG_PLANET_NUMBER = "planet_number";

        public PlanetFragment() {
            // Empty constructor required for fragment subclasses
        }

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                Bundle savedInstanceState) {
            View rootView = inflater.inflate(R.layout.fragment_planet, container, false);
            int i = getArguments().getInt(ARG_PLANET_NUMBER);
            String planet = getResources().getStringArray(R.array.planets_array)[i];

            int imageId = getResources().getIdentifier(planet.toLowerCase(Locale.getDefault()),
                            "drawable", getActivity().getPackageName());
            ((ImageView) rootView.findViewById(R.id.image)).setImageResource(imageId);
            getActivity().setTitle(planet);
            return rootView;
        }
    }
}

我的守则

public class MainActivity extends ActionBarActivity {
    @Override
protected void onCreate(Bundle savedInstanceState) {
    requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mTitle = mDrawerTitle = getTitle();
    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    mDrawerList = (ListView) findViewById(R.id.left_drawer);

    // set a custom shadow that overlays the main content when the drawer opens
    mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);

    // Get the power manager
    mWL = ((PowerManager) getSystemService(Context.POWER_SERVICE))
            .newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "cell hunter");
    sMe = this;
    mDb = new DatabaseHelper(this);
    mMakers = new HashMap();

    // enable ActionBar app icon to behave as action to toggle nav drawer
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setHomeButtonEnabled(true);


    // ActionBarDrawerToggle ties together the the proper interactions
    // between the sliding drawer and the action bar app icon
    mDrawerToggle = new ActionBarDrawerToggle(
            this,                   /* host Activity */
            mDrawerLayout,          /* DrawerLayout object */
            R.drawable.ic_drawer,   /* nav drawer image to replace 'Up' caret */
            R.string.app_name,      /* "open drawer" description for accessibility */
            R.string.add_data       /* "close drawer" description for accessibility */
            ) {
        public void onDrawerClosed(View view) {
            getSupportActionBar().setTitle(mTitle);
            supportInvalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
            Log("onDrawerClosed()");
        }

        public void onDrawerOpened(View drawerView) {
            getSupportActionBar().setTitle(mDrawerTitle);
            supportInvalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
            Log("onDrawerOpened()");
        }
    };
    mDrawerLayout.setDrawerListener(mDrawerToggle);

}

}

有谁知道为什么它不使用我的切换图标或移动?或者是你不能像使用支持库那样做?

1 个回答
  • 我还在调查我错过的内容,并会相应地更新这个答案.虽然@kaedill提到可以使用支持库.

    以下是我自己编辑的Google示例的完整副本,以使用支持库.

    public class MainActivity extends ActionBarActivity {
        private DrawerLayout mDrawerLayout;
        private ListView mDrawerList;
        private ActionBarDrawerToggle mDrawerToggle;
    
        private CharSequence mDrawerTitle;
        private CharSequence mTitle;
        private String[] mPlanetTitles;
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
    
            mTitle = mDrawerTitle = getTitle();
            mPlanetTitles = getResources().getStringArray(R.array.planets_array);
            mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
            mDrawerList = (ListView) findViewById(R.id.left_drawer);
    
            // set a custom shadow that overlays the main content when the drawer opens
            mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
            // set up the drawer's list view with items and click listener
            mDrawerList.setAdapter(new ArrayAdapter<String>(this,
                    R.layout.drawer_list_item, mPlanetTitles));
            mDrawerList.setOnItemClickListener(new DrawerItemClickListener());
    
            // enable ActionBar app icon to behave as action to toggle nav drawer
            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
            getSupportActionBar().setHomeButtonEnabled(true);
    
            // ActionBarDrawerToggle ties together the the proper interactions
            // between the sliding drawer and the action bar app icon
            mDrawerToggle = new ActionBarDrawerToggle(
                    this,                  /* host Activity */
                    mDrawerLayout,         /* DrawerLayout object */
                    R.drawable.ic_drawer,  /* nav drawer image to replace 'Up' caret */
                    R.string.drawer_open,  /* "open drawer" description for accessibility */
                    R.string.drawer_close  /* "close drawer" description for accessibility */
                    ) {
                public void onDrawerClosed(View view) {
                    getSupportActionBar().setTitle(mTitle);
                    supportInvalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
                }
    
                public void onDrawerOpened(View drawerView) {
                    getSupportActionBar().setTitle(mDrawerTitle);
                    supportInvalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
                }
            };
            mDrawerLayout.setDrawerListener(mDrawerToggle);
    
            if (savedInstanceState == null) {
                selectItem(0);
            }
        }
    
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
            MenuInflater inflater = getMenuInflater();
            inflater.inflate(R.menu.main, menu);
            return super.onCreateOptionsMenu(menu);
        }
    
        /* Called whenever we call invalidateOptionsMenu() */
        @Override
        public boolean onPrepareOptionsMenu(Menu menu) {
            // If the nav drawer is open, hide action items related to the content view
            boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
            menu.findItem(R.id.action_websearch).setVisible(!drawerOpen);
            return super.onPrepareOptionsMenu(menu);
        }
    
        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
             // The action bar home/up action should open or close the drawer.
             // ActionBarDrawerToggle will take care of this.
            if (mDrawerToggle.onOptionsItemSelected(item)) {
                return true;
            }
            // Handle action buttons
            switch(item.getItemId()) {
            case R.id.action_websearch:
                // create intent to perform web search for this planet
                Intent intent = new Intent(Intent.ACTION_WEB_SEARCH);
                intent.putExtra(SearchManager.QUERY, getSupportActionBar().getTitle());
                // catch event that there's no activity to handle intent
                if (intent.resolveActivity(getPackageManager()) != null) {
                    startActivity(intent);
                } else {
                    Toast.makeText(this, R.string.app_not_available, Toast.LENGTH_LONG).show();
                }
                return true;
            default:
                return super.onOptionsItemSelected(item);
            }
        }
    
        /* The click listner for ListView in the navigation drawer */
        private class DrawerItemClickListener implements ListView.OnItemClickListener {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                selectItem(position);
            }
        }
    
        private void selectItem(int position) {
            // update the main content by replacing fragments
            Fragment fragment = new PlanetFragment();
            Bundle args = new Bundle();
            args.putInt(PlanetFragment.ARG_PLANET_NUMBER, position);
            fragment.setArguments(args);
    
            FragmentManager fragmentManager = getSupportFragmentManager();
            fragmentManager.beginTransaction().replace(R.id.content_frame, fragment).commit();
    
            // update selected item and title, then close the drawer
            mDrawerList.setItemChecked(position, true);
            setTitle(mPlanetTitles[position]);
            mDrawerLayout.closeDrawer(mDrawerList);
        }
    
        @Override
        public void setTitle(CharSequence title) {
            mTitle = title;
            getSupportActionBar().setTitle(mTitle);
        }
    
        /**
         * When using the ActionBarDrawerToggle, you must call it during
         * onPostCreate() and onConfigurationChanged()...
         */
    
        @Override
        protected void onPostCreate(Bundle savedInstanceState) {
            super.onPostCreate(savedInstanceState);
            // Sync the toggle state after onRestoreInstanceState has occurred.
            mDrawerToggle.syncState();
        }
    
        @Override
        public void onConfigurationChanged(Configuration newConfig) {
            super.onConfigurationChanged(newConfig);
            // Pass any configuration change to the drawer toggls
            mDrawerToggle.onConfigurationChanged(newConfig);
        }
    
        /**
         * Fragment that appears in the "content_frame", shows a planet
         */
        public static class PlanetFragment extends Fragment {
            public static final String ARG_PLANET_NUMBER = "planet_number";
    
            public PlanetFragment() {
                // Empty constructor required for fragment subclasses
            }
    
            @Override
            public View onCreateView(LayoutInflater inflater, ViewGroup container,
                    Bundle savedInstanceState) {
                View rootView = inflater.inflate(R.layout.fragment_planet, container, false);
                int i = getArguments().getInt(ARG_PLANET_NUMBER);
                String planet = getResources().getStringArray(R.array.planets_array)[i];
    
                int imageId = getResources().getIdentifier(planet.toLowerCase(Locale.getDefault()),
                                "drawable", getActivity().getPackageName());
                ((ImageView) rootView.findViewById(R.id.image)).setImageResource(imageId);
                getActivity().setTitle(planet);
                return rootView;
            }
        }
    }
    

    我已经测试了这个,它可以在Gingerbread设备上运行.

    我将通过我的应用程序中的更改,找出我做错了什么.

    更新

    在对原始代码进行了痛苦的剖析之后,我将代码移植到了工作示例中,并且差异显示了我的错误.

    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        // Sync the toggle state after onRestoreInstanceState has occurred.
        mDrawerToggle.syncState();
    }
    

    我的原始代码没有覆盖该onPostCreate方法.一个烦人的小虫子找!希望将来帮助其他人.

    2023-02-09 19:05 回答
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