java–Android如何在每个listvIew列表项上添加图标并更改文本颜色,背景颜色

概述我有一个带有一些列表项的导航抽屉.如何在每个列表项上添加图标并更改文本颜色,背景颜色.这是我的代码Java的mDrawerListView.setAdapter(newArrayAdapter<String>(getActionBar().getThemedContext(),android.R.layout.simple_list_item_a

我有一个带有一些列表项的导航抽屉.如何在每个列表项上添加图标并更改文本颜色,背景颜色.

这是我的代码

Java的

mDrawerListVIEw.setAdapter(new ArrayAdapter<String>(                getActionbar().getthemedContext(),                androID.R.layout.simple_List_item_activated_1,                androID.R.ID.text1,                new String[]{                        getString(R.string.Title_section1),                        getString(R.string.Title_section2),                        getString(R.string.Title_section3),                }));

XML

<ListVIEw xmlns:androID="http://schemas.androID.com/apk/res/androID"        xmlns:tools="http://schemas.androID.com/tools"        androID:layout_wIDth="match_parent"        androID:layout_height="match_parent"        androID:choiceMode="singleChoice"        androID:divIDer="@androID:color/transparent"        androID:divIDerHeight="0dp"        androID:background="#cc0100cc"        tools:context="com.rupomkhondaker.sonalibanklimited.NavigationDrawerFragment"        androID:ID="@+ID/menuList" />

NavigationDrawerFragment.java请在此处输入以下答案

package com.rupomkhondaker.sonalibanklimited;import androID.support.v7.app.AppCompatActivity;import androID.app.Activity;import androID.support.v7.app.Actionbar;import androID.support.v4.app.Fragment;import androID.support.v4.app.ActionbarDrawerToggle;import androID.support.v4.vIEw.GravityCompat;import androID.support.v4.Widget.DrawerLayout;import androID.content.SharedPreferences;import androID.content.res.Configuration;import androID.os.Bundle;import androID.preference.PreferenceManager;import androID.vIEw.LayoutInflater;import androID.vIEw.Menu;import androID.vIEw.MenuInflater;import androID.vIEw.MenuItem;import androID.vIEw.VIEw;import androID.vIEw.VIEwGroup;import androID.Widget.AdapterVIEw;import androID.Widget.ArrayAdapter;import androID.Widget.ListVIEw;import androID.Widget.Toast;public class NavigationDrawerFragment extends Fragment {    /**     * Remember the position of the selected item.     */    private static final String STATE_SELECTED_position = "selected_navigation_drawer_position";    /**     * Per the design guIDelines, you should show the drawer on launch until the user manually     * expands it. This shared preference tracks this.     */    private static final String PREF_USER_LEARNED_DRAWER = "navigation_drawer_learned";    /**     * A pointer to the current callbacks instance (the Activity).     */    private NavigationDrawerCallbacks mCallbacks;    /**     * Helper component that tIEs the action bar to the navigation drawer.     */    private ActionbarDrawerToggle mDrawerToggle;    private DrawerLayout mDrawerLayout;    private ListVIEw mDrawerListVIEw;    private VIEw mFragmentContainerVIEw;    private int mCurrentSelectedposition = 0;    private boolean mFromSavedInstanceState;    private boolean mUserLearnedDrawer;    public NavigationDrawerFragment() {    }    @OverrIDe    public voID onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        // Read in the flag indicating whether or not the user has demonstrated awareness of the        // drawer. See PREF_USER_LEARNED_DRAWER for details.        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getActivity());        mUserLearnedDrawer = sp.getBoolean(PREF_USER_LEARNED_DRAWER, false);        if (savedInstanceState != null) {            mCurrentSelectedposition = savedInstanceState.getInt(STATE_SELECTED_position);            mFromSavedInstanceState = true;        }        // Select either the default item (0) or the last selected item.        selectItem(mCurrentSelectedposition);    }    @OverrIDe    public voID onActivityCreated(Bundle savedInstanceState) {        super.onActivityCreated(savedInstanceState);        // Indicate that this fragment would like to influence the set of actions in the action bar.        setHasOptionsMenu(true);    }    @OverrIDe    public VIEw onCreateVIEw(LayoutInflater inflater, VIEwGroup container,                             Bundle savedInstanceState) {        mDrawerListVIEw = (ListVIEw) inflater.inflate(                R.layout.fragment_navigation_drawer, container, false);        mDrawerListVIEw.setonItemClickListener(new AdapterVIEw.OnItemClickListener() {            @OverrIDe            public voID onItemClick(AdapterVIEw<?> parent, VIEw vIEw, int position, long ID) {                selectItem(position);            }        });      mDrawerListVIEw.setAdapter(new ArrayAdapter<String>(getActionbar().getthemedContext(), androID.R.layout.simple_List_item_activated_1,              androID.R.ID.text1, new String[]{              getString(R.string.menu_HOME),              getString(R.string.menu_PhoneBook),              getString(R.string.menu_About),              getString(R.string.menu_Services),              getString(R.string.menu_Remittance),              getString(R.string.menu_Branch),              getString(R.string.menu_Islam),              getString(R.string.menu_Misc),              getString(R.string.menu_Career),              getString(R.string.menu_Devinfo),      }      ));                mDrawerListVIEw.setItemChecked(mCurrentSelectedposition, true);        return mDrawerListVIEw;    }    public boolean isDraweropen() {        return mDrawerLayout != null && mDrawerLayout.isDrawerOpen(mFragmentContainerVIEw);    }    /**     * Users of this fragment must call this method to set up the navigation drawer interactions.     *     * @param fragmentID   The androID:ID of this fragment in its activity's layout.     * @param drawerLayout The DrawerLayout containing this fragment's UI.     */    public voID setUp(int fragmentID, DrawerLayout drawerLayout) {        mFragmentContainerVIEw = getActivity().findVIEwByID(fragmentID);        mDrawerLayout = drawerLayout;        // 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        Actionbar actionbar = getActionbar();        actionbar.setdisplayHomeAsUpEnabled(true);        actionbar.setHomebuttonEnabled(true);        // ActionbarDrawerToggle tIEs together the the proper interactions        // between the navigation drawer and the action bar app icon.        mDrawerToggle = new ActionbarDrawerToggle(                getActivity(),                    /* host Activity */                mDrawerLayout,                    /* DrawerLayout object */                R.drawable.ic_drawer,             /* nav drawer image to replace 'Up' caret */                R.string.navigation_drawer_open,  /* "open drawer" description for accessibility */                R.string.navigation_drawer_close  /* "close drawer" description for accessibility */        ) {            @OverrIDe            public voID onDrawerClosed(VIEw drawerVIEw) {                super.onDrawerClosed(drawerVIEw);                if (!isAdded()) {                    return;                }                getActivity().supportInvalIDateOptionsMenu(); // calls onPrepareOptionsMenu()            }            @OverrIDe            public voID onDrawerOpened(VIEw drawerVIEw) {                super.onDrawerOpened(drawerVIEw);                if (!isAdded()) {                    return;                }                if (!mUserLearnedDrawer) {                    // The user manually opened the drawer; store this flag to prevent auto-showing                    // the navigation drawer automatically in the future.                    mUserLearnedDrawer = true;                    SharedPreferences sp = PreferenceManager                            .getDefaultSharedPreferences(getActivity());                    sp.edit().putBoolean(PREF_USER_LEARNED_DRAWER, true).apply();                }                getActivity().supportInvalIDateOptionsMenu(); // calls onPrepareOptionsMenu()            }        };        // If the user hasn't 'learned' about the drawer, open it to introduce them to the drawer,        // per the navigation drawer design guIDelines.        if (!mUserLearnedDrawer && !mFromSavedInstanceState) {            mDrawerLayout.openDrawer(mFragmentContainerVIEw);        }        // Defer code dependent on restoration of prevIoUs instance state.        mDrawerLayout.post(new Runnable() {            @OverrIDe            public voID run() {                mDrawerToggle.syncState();            }        });        mDrawerLayout.setDrawerListener(mDrawerToggle);    }    private voID selectItem(int position) {        mCurrentSelectedposition = position;        if (mDrawerListVIEw != null) {            mDrawerListVIEw.setItemChecked(position, true);        }        if (mDrawerLayout != null) {            mDrawerLayout.closeDrawer(mFragmentContainerVIEw);        }        if (mCallbacks != null) {            mCallbacks.onNavigationDrawerItemSelected(position);        }    }    @OverrIDe    public voID onAttach(Activity activity) {        super.onAttach(activity);        try {            mCallbacks = (NavigationDrawerCallbacks) activity;        } catch (ClassCastException e) {            throw new ClassCastException("Activity must implement NavigationDrawerCallbacks.");        }    }    @OverrIDe    public voID onDetach() {        super.onDetach();        mCallbacks = null;    }    @OverrIDe    public voID onSaveInstanceState(Bundle outState) {        super.onSaveInstanceState(outState);        outState.putInt(STATE_SELECTED_position, mCurrentSelectedposition);    }    @OverrIDe    public voID onConfigurationChanged(Configuration newConfig) {        super.onConfigurationChanged(newConfig);        // Forward the new configuration the drawer toggle component.        mDrawerToggle.onConfigurationChanged(newConfig);    }    @OverrIDe    public voID onCreateOptionsMenu(Menu menu, MenuInflater inflater) {        // If the drawer is open, show the global app actions in the action bar. See also        // showGlobalContextActionbar, which controls the top-left area of the action bar.        if (mDrawerLayout != null && isDraweropen()) {            inflater.inflate(R.menu.global, menu);            showGlobalContextActionbar();        }        super.onCreateOptionsMenu(menu, inflater);    }    @OverrIDe    public boolean onoptionsItemSelected(MenuItem item) {        if (mDrawerToggle.onoptionsItemSelected(item)) {            return true;        }        if (item.getItemID() == R.ID.action_example) {            Toast.makeText(getActivity(), "Example action.", Toast.LENGTH_SHORT).show();            return true;        }        return super.onoptionsItemSelected(item);    }    /**     * Per the navigation drawer design guIDelines, updates the action bar to show the global app     * 'context', rather than just what's in the current screen.     */    private voID showGlobalContextActionbar() {        Actionbar actionbar = getActionbar();        actionbar.setdisplayShowTitleEnabled(true);        actionbar.setNavigationMode(Actionbar.NAVIGATION_MODE_STANDARD);        actionbar.setTitle(R.string.app_name);    }    private Actionbar getActionbar() {        return ((AppCompatActivity) getActivity()).getSupportActionbar();    }    /**     * Callbacks interface that all activitIEs using this fragment must implement.     */    public static interface NavigationDrawerCallbacks {        /**         * Called when an item in the navigation drawer is selected.         */        voID onNavigationDrawerItemSelected(int position);    }}

解决方法:

为此,您需要创建自定义适配器.您可以在下面的链接中找到自定义适配器的实现,
http://www.androidhive.info/2012/02/android-custom-listview-with-image-and-text/
上面包含一个很好的自定义适配器教程,可以在每个列表行中添加图标,更改文本和背景的颜色….

这里也是关于自定义适配器的好教程,
 http://androidexample.com/How_To_Create_A_Custom_Listview_-_Android_Example/index.php?view=article_discription&aid=67&aaid=92

这是一个例子,
你的活动的xml应该像这个activity_main.xml,

<relativeLayout xmlns:androID="http://schemas.androID.com/apk/res/androID"        xmlns:tools="http://schemas.androID.com/tools"        androID:layout_wIDth="match_parent"        androID:layout_height="match_parent"        tools:context="com.rupomkhondaker.sonalibanklimited.NavigationDrawerFragment" /><ListVIEw         androID:layout_wIDth="match_parent"        androID:layout_height="match_parent"        androID:choiceMode="singleChoice"        androID:divIDer="@androID:color/transparent"        androID:divIDerHeight="0dp"        androID:background="#cc0100cc"        androID:ID="@+ID/menuList" /></relativeLayout>

你的Activity类：
公共类MainActivity扩展Activity {

private ListVIEw ListVIEw1;@OverrIDepublic voID onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentVIEw(R.layout.activity_main);    String[] textString = {"Item1", "Item2", "Item3", "Item4"};    int[] drawableIDs = {R.drawable.img_ID_row1, R.drawable.img_ID_row2, R.drawable.img_ID_row3, R.drawable.img_ID_row4};    CustomAdapter adapter = new CustomAdapter(this,  textString, drawableIDs);    ListVIEw1 = (ListVIEw)findVIEwByID(R.ID.menuList);    ListVIEw1.setAdapter(adapter);}

为每行创建另一个布局,如下所示,并将其命名为row.xml,

<?xml version="1.0" enCoding="utf-8"?><linearLayout     xmlns:androID="http://schemas.androID.com/apk/res/androID"    androID:orIEntation="horizontal"     androID:layout_wIDth="fill_parent"    androID:layout_height="fill_parent"    androID:padding="10dp">     <ImageVIEw androID:ID="@+ID/imgIcon"        androID:layout_wIDth="wrap_content"        androID:layout_height="fill_parent"        androID:gravity="center_vertical"        androID:layout_alignParenttop="true"        androID:layout_alignParentBottom="true"        androID:layout_marginRight="15dp"        androID:layout_margintop="5dp"        androID:layout_marginBottom="5dp" />     <TextVIEw androID:ID="@+ID/txtTitle"        androID:layout_wIDth="fill_parent"        androID:layout_height="fill_parent"        androID:gravity="center_vertical"        androID:layout_alignParenttop="true"        androID:layout_alignParentBottom="true"        androID:textStyle="bold"        androID:textSize="22dp"        androID:textcolor="#000000"        androID:layout_margintop="5dp"        androID:layout_marginBottom="5dp" /></linearLayout>

现在,创建一个java类并将其命名为CustomAdapter.java：

public class CustomAdapter extends BaseAdapter {        private Context mContext;        private String[]  Title;        private int[] imge;        public CustomAdapter(Context context, String[] text1,int[] imageIDs) {            mContext = context;            Title = text1;            imge = imageIDs;        }        public int getCount() {            // Todo auto-generated method stub            return Title.length;        }        public Object getItem(int arg0) {            // Todo auto-generated method stub            return null;        }        public long getItemID(int position) {            // Todo auto-generated method stub            return position;        }        public VIEw getVIEw(int position, VIEw convertVIEw, VIEwGroup parent) {            LayoutInflater inflater = getLayoutInflater();            VIEw row;            row = inflater.inflate(R.layout.row, parent, false);            TextVIEw Title;            ImageVIEw i1;            i1 = (ImageVIEw) row.findVIEwByID(R.ID.imgIcon);            Title = (TextVIEw) row.findVIEwByID(R.ID.txtTitle);            Title.setText(Title[position]);            i1.setimageResource(imge[position]);            return (row);        }    }

总结

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