Menu综合运用

To read first:

ActionBar   http://www.cnblogs.com/iMirror/p/4077426.html

Menu　　    http://www.cnblogs.com/iMirror/p/4076864.html

 

<1>Menu用icon显示, 多余的缩进overflow

　　实现Navigating Up with App icon

　　　　

<2> Action View实现SearchView Menu, 并学会 绑定监听器

　　　　

<3> 增加Action Provider

　　　　

<4>Navigation Tabs to show different Fragment

　　　　

<5> Show in the landscape

　　　　

 

Code:

//MenuTest.java
package mirror.android.menutest;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

import android.app.ActionBar;
import android.app.ActionBar.Tab;
import android.app.ActionBar.TabListener;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentTransaction;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.view.MenuItemCompat;
import android.support.v4.view.MenuItemCompat.OnActionExpandListener;
import android.view.Menu;
import android.view.MenuItem;
import android.view.ViewConfiguration;
import android.view.Window;
import android.widget.SearchView;
import android.widget.SearchView.OnQueryTextListener;
import android.widget.ShareActionProvider;
import android.widget.TextView;
import android.widget.Toast;

public class MenuTest extends Activity{
    
    private TextView textView;
    private ShareActionProvider mShareActionProvider;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_menu_test);
        
        textView = (TextView)findViewById(R.id.tv_show);
        
        //let overflow show no matter physical "Menu" key exists or not
        setOverflowShowingAlways();
        
        // to add Navigating Up to the action Bar
        ActionBar actionBar = getActionBar();
        actionBar.setDisplayHomeAsUpEnabled(true);
        
        // setup action bar for Tab
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
        actionBar.addTab(actionBar.newTab()
                                     .setText("artist")
                                     //.setTabListener(new MytabListener(new Artist())));
                                     .setTabListener(new MytabListener(this, "artist", Artist.class)));
      
        actionBar.addTab(actionBar.newTab()
                                     .setText("album")
                                     //.setTabListener(new MytabListener(new Album())));
                                     .setTabListener(new MytabListener(this, "album", Album.class)));
        
        actionBar.addTab(actionBar.newTab()
                                       .setText("song")
                                       //.setTabListener(new MytabListener(new Song())));
                                       .setTabListener(new MytabListener(this, "song", Song.class)));
    }

    //overflow is shown or not depends on hardware.if Physical "Menu" key exsit, the overflow menu will not appear.
    //This method is to show overflow no matter Physical "Menu" keys exsits or not 
    private void setOverflowShowingAlways() {
        try {
            ViewConfiguration config = ViewConfiguration.get(this);  
            Field menuKeyField;
            menuKeyField = ViewConfiguration.class.getDeclaredField("sHasPermanentMenuKey");
            menuKeyField.setAccessible(true);  
            try {
                menuKeyField.setBoolean(config, false);
            } catch (IllegalArgumentException e) {
                e.printStackTrace();
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            } 
        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        } 
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_test, menu);
                
        /**search Region**/
        MenuItem searchItem = menu.findItem(R.id.search);
        // View with "collapseActionView" attribute, and set
        // the setOnActionExpandListener() method to listen to its Expand and Collapse action
        // commonly to show different fragment in this two different state
        MenuItemCompat.setOnActionExpandListener(searchItem, new OnActionExpandListener() {
            @Override
            public boolean onMenuItemActionExpand(MenuItem item) {
                Toast.makeText(getApplication(), "Search Expand", Toast.LENGTH_SHORT).show();
                // Return true to collapse action view
                return true;
            }
            @Override
            public boolean onMenuItemActionCollapse(MenuItem item) {
                Toast.makeText(getApplication(), "Search Collapse", Toast.LENGTH_SHORT).show();
                // Return true to expand action view
                return true;
            }
        });
      
        // to edit SearchView properties
        SearchView searchView = (SearchView)MenuItemCompat.getActionView(searchItem);
        searchView.setOnQueryTextListener(new OnQueryTextListener() {
            @Override
            public boolean onQueryTextSubmit(String query) {
                Toast.makeText(getApplication(), query , Toast.LENGTH_SHORT).show();
                return true;
            }
            @Override
            public boolean onQueryTextChange(String newText) {
                textView.setText(newText);
                return true;
            }
        });
        
        
        /**share region**/
        // set up ShareActionProvider`s default share intent
        MenuItem shareItem = menu.findItem(R.id.share);
        mShareActionProvider = (ShareActionProvider)shareItem.getActionProvider();
        mShareActionProvider.setShareIntent(new Intent(Intent.ACTION_SEND).setType("image/*"));
        
        return super.onCreateOptionsMenu(menu);      
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        switch (item.getItemId()) {
        case android.R.id.home:
            Toast.makeText(getApplication(), "Add Navigating up method", Toast.LENGTH_SHORT).show();
            break;
        case R.id.market1:
            Toast.makeText(getApplication(), "market1", Toast.LENGTH_SHORT).show();
            break;
        case R.id.market2:
            Toast.makeText(getApplication(), "market2", Toast.LENGTH_SHORT).show();
            break;
        case R.id.email:
            Toast.makeText(getApplication(), "email", Toast.LENGTH_SHORT).show();
            break;
        case R.id.map:
            Toast.makeText(getApplication(), "map", Toast.LENGTH_SHORT).show();
            break;
        default:
            break;
        }
        return super.onOptionsItemSelected(item);
    }

    // Method to let overflow menu to show icons instead of just text
    @Override
    public boolean onMenuOpened(int featureId, Menu menu) {
        if(featureId == Window.FEATURE_ACTION_BAR && menu != null){
            if(menu.getClass().getSimpleName().equals("MenuBuilder")){
                try {
                    Method m = menu.getClass().getDeclaredMethod("setOptionalIconsVisible",Boolean.TYPE);
                    m.setAccessible(true);
                    m.invoke(menu, true);
                } catch (Exception e) {
                }
            }
        }
        return super.onMenuOpened(featureId, menu);
    }
    
    // Tab Listener
    public class MytabListener implements TabListener{
        private Fragment fragment;
    
        private final Activity mActivity;
        private final String mTag;
        private final Class mClass;
        
        //@param activity  The host Activity, used to instantiate the fragment
        //@param tag         The identifier tag for the fragment
        //@param clz         The fragment's Class, used to instantiate the fragment
        public MytabListener(Activity activity, String tag, Class clz){
            this.mActivity = activity;
            this.mTag = tag;
            this.mClass = clz;
        }
        
        @Override
        public void onTabSelected(Tab tab, FragmentTransaction ft) {
            if(fragment == null){
                // If not initialized before, instantiate and add it to the activity
                fragment = Fragment.instantiate(mActivity, mClass.getName());
                ft.add(android.R.id.content,fragment,mTag);
            }
            else{
                //Log.d("d",fragment.getClass().getName()); could get the name of fragment
                ft.attach(fragment);
            }
        }

        @Override
        public void onTabUnselected(Tab tab, FragmentTransaction ft) {
            if (fragment != null) {
                // Detach the fragment, because another one is being attached
                ft.detach(fragment);
            }
        }

        @Override
        public void onTabReselected(Tab tab, FragmentTransaction ft) {        
        }
    }
}

 

//Artist.java    the same as Song.java and Album.java 
package mirror.android.menutest;

import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

public class Artist extends Fragment {

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.artist, container, false);
        return rootView;
    }
}

 
//artist.xml   the same as song.xml and album.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >
    
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:text="Artist" />

</RelativeLayout>

 

//menu_test.xml
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    tools:context="mirror.android.menutest.MenuTest" >

    <item
        android:id="@+id/search"
        android:title="search"
        android:icon="@drawable/search"
        android:actionViewClass="android.widget.SearchView"
        android:showAsAction="always|collapseActionView"/>
    
    <item 
        android:id="@+id/share"
        android:title="share"
        android:showAsAction="ifRoom"
        android:actionProviderClass="android.widget.ShareActionProvider"/>
    
    <item 
        android:id="@+id/market"
        android:title="market"
        android:icon="@drawable/market"
        android:showAsAction="ifRoom">
        <menu>
            <item android:id="@+id/market1"
                  android:title="market1"/>
            <item android:id="@+id/market2"
                  android:title="market2"/>
        </menu>
    </item>
    
    <item 
        android:id="@+id/email"
        android:icon="@drawable/email"
        android:title="email"
        android:showAsAction="collapseActionView"/>
    
    <item 
        android:id="@+id/map"
        android:icon="@drawable/map"
        android:title="map"
        android:showAsAction="collapseActionView"/>

</menu>

 

　　GitHub: https://github.com/Mirrorhanyu/MenuTest/