低版本系统兼容的ActionBar（三）自定义Item视图+进度条的实现+下拉导航+透明ActionBar

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="fill_parent"
    android:gravity="left|center_vertical"
    android:orientation="horizontal"
    >
    <RadioGroup
        android:id="@+id/radio_nav"
        android:orientation="horizontal"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
    >
        <RadioButton
            android:text="Custom"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="#ffffff"
        />
        <RadioButton
            android:text="View!"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="#ffffff"
        />
    </RadioGroup>
</LinearLayout>

//Inflate the custom view
        View customNav = LayoutInflater.from(this).inflate(R.layout.custom_view, null);
        //Bind to its state change
        ((RadioGroup)customNav.findViewById(R.id.radio_nav)).setOnCheckedChangeListener(new OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup group, int checkedId) {
                Toast.makeText(MainActivity.this, "Navigation selection changed.", Toast.LENGTH_SHORT).show();
            }
        });

        //Attach to the action bar
        getSupportActionBar().setCustomView(customNav);
        getSupportActionBar().setDisplayShowCustomEnabled(true);

package com.kale.actionbar02;

import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.Toast;

public class MainActivity extends ActionBarActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        supportRequestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
        setContentView(R.layout.activity_main);
        //设置actionbar上面显示进度条，true表示显示，如果是false表示不显示
        setSupportProgressBarIndeterminateVisibility(true);//Attach to the action bar
        getSupportActionBar().setCustomView(customNav);
        getSupportActionBar().setDisplayShowCustomEnabled(true);
    }

}

package com.kale.actionbar02;

import android.os.Bundle;
import android.os.Handler;
import android.support.v7.app.ActionBarActivity;
import android.view.View;
import android.view.Window;

public class MainActivity extends ActionBarActivity {
    private int mProgress = 100;
    Handler mHandler = new Handler();
    Runnable mProgressRunner = new Runnable() {
        @Override
        public void run() {
            mProgress += 2;
            // Normalize our progress along the progress bar‘s scale
            int progress = (Window.PROGRESS_END - Window.PROGRESS_START) / 100* mProgress;
            setSupportProgress(progress);

            if (mProgress < 100) {
                mHandler.postDelayed(mProgressRunner, 50);
            }
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        supportRequestWindowFeature(Window.FEATURE_PROGRESS);
        setContentView(R.layout.activity_main);
        // 设置actionbar上面显示进度条，true表示显示，如果是false表示不显示
        //setSupportProgressBarVisibility(true);//设置初始状态是否显示进度条，一般我们不显示。在用的时候再显示它

        findViewById(R.id.button_id).setOnClickListener(
                new View.OnClickListener() {
                    @Override
                    public void onClick(View arg0) {
                        if (mProgress == 100) {
                            mProgress = 0;
                            mProgressRunner.run();
                        }
                    }
                });

    }

}

　　　　 // 设置ActionBar为悬浮的，就是说悬浮在布局文件上
        supportRequestWindowFeature(Window.FEATURE_ACTION_BAR_OVERLAY);

<?xml version="1.0" encoding="utf-8"?>

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">
    <ScrollView
        android:layout_width="fill_parent"
        android:layout_height="fill_parent">
        <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:paddingLeft="10dp"
            android:paddingRight="10dp"
            android:paddingTop="?actionBarSize"
            android:orientation="vertical">

            <TextView
                android:id="@+id/bunch_of_text"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content" />
        </LinearLayout>
    </ScrollView>
</FrameLayout>

package com.kale.actionbar02;

import android.content.Context;
import android.os.Bundle;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBar.OnNavigationListener;
import android.support.v7.app.ActionBarActivity;
import android.view.Window;
import android.widget.ArrayAdapter;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends ActionBarActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // 设置ActionBar为悬浮的，就是说悬浮在布局文件上
        supportRequestWindowFeature(Window.FEATURE_ACTION_BAR_OVERLAY);
        setContentView(R.layout.activity_main);
        // 将ActionBar的操作模型设置为NAVIGATION_MODE_LIST
        getSupportActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
        getSupportActionBar().setTitle(null);

        Context context = getSupportActionBar().getThemedContext();
        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
                context, R.array.locations,
                android.R.layout.simple_spinner_dropdown_item);
        getSupportActionBar().setListNavigationCallbacks(adapter,
                new DropDownListenser());

        // Load partially transparent black background
        getSupportActionBar().setBackgroundDrawable(
                getResources().getDrawable(R.drawable.bar_color));

        TextView bunchOfText = (TextView) findViewById(R.id.bunch_of_text);
        bunchOfText.setText(builder.toString());
    }

    /**
     * 实现 ActionBar.OnNavigationListener接口
     */
    class DropDownListenser implements OnNavigationListener {
        // 得到和Adapter里一致的字符数组
        String[] listNames = getResources().getStringArray(R.array.locations);

        @Override
        public boolean onNavigationItemSelected(int itemPosition, long itemId) {
            Toast.makeText(getApplicationContext(), listNames[itemPosition], 0)
                    .show();
            return false;
        }

    }

   

}

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string-array name="locations">
        <item>Home</item>
        <item>Email</item>
        <item>Calendar</item>
        <item>Browser</item>
        <item>Clock</item>
    </string-array>
</resources>

package com.kale.actionbar02;

import android.content.Context;
import android.os.Bundle;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBar.OnNavigationListener;
import android.support.v7.app.ActionBarActivity;
import android.view.Window;
import android.widget.ArrayAdapter;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends ActionBarActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // 设置ActionBar为悬浮的，就是说悬浮在布局文件上
        supportRequestWindowFeature(Window.FEATURE_ACTION_BAR_OVERLAY);
        setContentView(R.layout.activity_main);
        // 将ActionBar的操作模型设置为NAVIGATION_MODE_LIST
        getSupportActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
        getSupportActionBar().setTitle(null);

        Context context = getSupportActionBar().getThemedContext();
        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
                context, R.array.locations,
                android.R.layout.simple_spinner_dropdown_item);
        getSupportActionBar().setListNavigationCallbacks(adapter,
                new DropDownListenser());

        // Load partially transparent black background
        getSupportActionBar().setBackgroundDrawable(
                getResources().getDrawable(R.drawable.bar_color));

        StringBuilder builder = new StringBuilder();
        for (int i = 0; i < 3; i++) {
            for (String dialog : DIALOGUE) {
                builder.append(dialog).append("\n\n");
            }
        }

        TextView bunchOfText = (TextView) findViewById(R.id.bunch_of_text);
        bunchOfText.setText(builder.toString());
    }

    /**
     * 实现 ActionBar.OnNavigationListener接口
     */
    class DropDownListenser implements OnNavigationListener {
        // 得到和Adapter里一致的字符数组
        String[] listNames = getResources().getStringArray(R.array.locations);

        @Override
        public boolean onNavigationItemSelected(int itemPosition, long itemId) {
            Toast.makeText(getApplicationContext(), listNames[itemPosition], 0)
                    .show();
            return false;
        }

    }

    public static final String[] DIALOGUE = new String[] {
            "So shaken as we are, so wan with care,"
                    + "Find we a time for frighted peace to pant,"
                    + "And breathe short-winded accents of new broils"
                    + "To be commenced in strands afar remote."
                    + "No more the thirsty entrance of this soil"
                    + "Shall daub her lips with her own children‘s blood;"
                    + "Nor more shall trenching war channel her fields,"
                    + "Nor bruise her flowerets with the armed hoofs"
                    + "Of hostile paces: those opposed eyes,"
                    + "Which, like the meteors of a troubled heaven,"
                    + "All of one nature, of one substance bred,"
                    + "Did lately meet in the intestine shock"
                    + "And furious close of civil butchery"
                    + "Shall now, in mutual well-beseeming ranks,"
                    + "March all one way and be no more opposed"
                    + "Against acquaintance, kindred and allies:"
                    + "The edge of war, like an ill-sheathed knife,"
                    + "No more shall cut his master. Therefore, friends,"
                    + "As far as to the sepulchre of Christ,"
                    + "Whose soldier now, under whose blessed cross"
                    + "We are impressed and engaged to fight,"
                    + "Forthwith a power of English shall we levy;"
                    + "Whose arms were moulded in their mothers‘ womb"
                    + "To chase these pagans in those holy fields"
                    + "Over whose acres walk‘d those blessed feet"
                    + "Which fourteen hundred years ago were nail‘d"
                    + "For our advantage on the bitter cross."
                    + "But this our purpose now is twelve month old,"
                    + "And bootless ‘tis to tell you we will go:"
                    + "Therefore we meet not now. Then let me hear"
                    + "Of you, my gentle cousin Westmoreland,"
                    + "What yesternight our council did decree"
                    + "In forwarding this dear expedience.",

            "Hear him but reason in divinity,"
                    + "And all-admiring with an inward wish"
                    + "You would desire the king were made a prelate:"
                    + "Hear him debate of commonwealth affairs,"
                    + "You would say it hath been all in all his study:"
                    + "List his discourse of war, and you shall hear"
                    + "A fearful battle render‘d you in music:"
                    + "Turn him to any cause of policy,"
                    + "The Gordian knot of it he will unloose,"
                    + "Familiar as his garter: that, when he speaks,"
                    + "The air, a charter‘d libertine, is still,"
                    + "And the mute wonder lurketh in men‘s ears,"
                    + "To steal his sweet and honey‘d sentences;"
                    + "So that the art and practic part of life"
                    + "Must be the mistress to this theoric:"
                    + "Which is a wonder how his grace should glean it,"
                    + "Since his addiction was to courses vain,"
                    + "His companies unletter‘d, rude and shallow,"
                    + "His hours fill‘d up with riots, banquets, sports,"
                    + "And never noted in him any study,"
                    + "Any retirement, any sequestration"
                    + "From open haunts and popularity.",

            "I come no more to make you laugh: things now,"
                    + "That bear a weighty and a serious brow,"
                    + "Sad, high, and working, full of state and woe,"
                    + "Such noble scenes as draw the eye to flow,"
                    + "We now present. Those that can pity, here"
                    + "May, if they think it well, let fall a tear;"
                    + "The subject will deserve it. Such as give"
                    + "Their money out of hope they may believe,"
                    + "May here find truth too. Those that come to see"
                    + "Only a show or two, and so agree"
                    + "The play may pass, if they be still and willing,"
                    + "I‘ll undertake may see away their shilling"
                    + "Richly in two short hours. Only they"
                    + "That come to hear a merry bawdy play,"
                    + "A noise of targets, or to see a fellow"
                    + "In a long motley coat guarded with yellow,"
                    + "Will be deceived; for, gentle hearers, know,"
                    + "To rank our chosen truth with such a show"
                    + "As fool and fight is, beside forfeiting"
                    + "Our own brains, and the opinion that we bring,"
                    + "To make that only true we now intend,"
                    + "Will leave us never an understanding friend."
                    + "Therefore, for goodness‘ sake, and as you are known"
                    + "The first and happiest hearers of the town,"
                    + "Be sad, as we would make ye: think ye see"
                    + "The very persons of our noble story"
                    + "As they were living; think you see them great,"
                    + "And follow‘d with the general throng and sweat"
                    + "Of thousand friends; then in a moment, see"
                    + "How soon this mightiness meets misery:"
                    + "And, if you can be merry then, I‘ll say"
                    + "A man may weep upon his wedding-day.",

            "First, heaven be the record to my speech!"
                    + "In the devotion of a subject‘s love,"
                    + "Tendering the precious safety of my prince,"
                    + "And free from other misbegotten hate,"
                    + "Come I appellant to this princely presence."
                    + "Now, Thomas Mowbray, do I turn to thee,"
                    + "And mark my greeting well; for what I speak"
                    + "My body shall make good upon this earth,"
                    + "Or my divine soul answer it in heaven."
                    + "Thou art a traitor and a miscreant,"
                    + "Too good to be so and too bad to live,"
                    + "Since the more fair and crystal is the sky,"
                    + "The uglier seem the clouds that in it fly."
                    + "Once more, the more to aggravate the note,"
                    + "With a foul traitor‘s name stuff I thy throat;"
                    + "And wish, so please my sovereign, ere I move,"
                    + "What my tongue speaks my right drawn sword may prove.",

            "Now is the winter of our discontent"
                    + "Made glorious summer by this sun of York;"
                    + "And all the clouds that lour‘d upon our house"
                    + "In the deep bosom of the ocean buried."
                    + "Now are our brows bound with victorious wreaths;"
                    + "Our bruised arms hung up for monuments;"
                    + "Our stern alarums changed to merry meetings,"
                    + "Our dreadful marches to delightful measures."
                    + "Grim-visaged war hath smooth‘d his wrinkled front;"
                    + "And now, instead of mounting barded steeds"
                    + "To fright the souls of fearful adversaries,"
                    + "He capers nimbly in a lady‘s chamber"
                    + "To the lascivious pleasing of a lute."
                    + "But I, that am not shaped for sportive tricks,"
                    + "Nor made to court an amorous looking-glass;"
                    + "I, that am rudely stamp‘d, and want love‘s majesty"
                    + "To strut before a wanton ambling nymph;"
                    + "I, that am curtail‘d of this fair proportion,"
                    + "Cheated of feature by dissembling nature,"
                    + "Deformed, unfinish‘d, sent before my time"
                    + "Into this breathing world, scarce half made up,"
                    + "And that so lamely and unfashionable"
                    + "That dogs bark at me as I halt by them;"
                    + "Why, I, in this weak piping time of peace,"
                    + "Have no delight to pass away the time,"
                    + "Unless to spy my shadow in the sun"
                    + "And descant on mine own deformity:"
                    + "And therefore, since I cannot prove a lover,"
                    + "To entertain these fair well-spoken days,"
                    + "I am determined to prove a villain"
                    + "And hate the idle pleasures of these days."
                    + "Plots have I laid, inductions dangerous,"
                    + "By drunken prophecies, libels and dreams,"
                    + "To set my brother Clarence and the king"
                    + "In deadly hate the one against the other:"
                    + "And if King Edward be as true and just"
                    + "As I am subtle, false and treacherous,"
                    + "This day should Clarence closely be mew‘d up,"
                    + "About a prophecy, which says that ‘G‘"
                    + "Of Edward‘s heirs the murderer shall be."
                    + "Dive, thoughts, down to my soul: here"
                    + "Clarence comes.",

            "To bait fish withal: if it will feed nothing else,"
                    + "it will feed my revenge. He hath disgraced me, and"
                    + "hindered me half a million; laughed at my losses,"
                    + "mocked at my gains, scorned my nation, thwarted my"
                    + "bargains, cooled my friends, heated mine"
                    + "enemies; and what‘s his reason? I am a Jew. Hath"
                    + "not a Jew eyes? hath not a Jew hands, organs,"
                    + "dimensions, senses, affections, passions? fed with"
                    + "the same food, hurt with the same weapons, subject"
                    + "to the same diseases, healed by the same means,"
                    + "warmed and cooled by the same winter and summer, as"
                    + "a Christian is? If you prick us, do we not bleed?"
                    + "if you tickle us, do we not laugh? if you poison"
                    + "us, do we not die? and if you wrong us, shall we not"
                    + "revenge? If we are like you in the rest, we will"
                    + "resemble you in that. If a Jew wrong a Christian,"
                    + "what is his humility? Revenge. If a Christian"
                    + "wrong a Jew, what should his sufferance be by"
                    + "Christian example? Why, revenge. The villany you"
                    + "teach me, I will execute, and it shall go hard but I"
                    + "will better the instruction.",

            "Virtue! a fig! ‘tis in ourselves that we are thus"
                    + "or thus. Our bodies are our gardens, to the which"
                    + "our wills are gardeners: so that if we will plant"
                    + "nettles, or sow lettuce, set hyssop and weed up"
                    + "thyme, supply it with one gender of herbs, or"
                    + "distract it with many, either to have it sterile"
                    + "with idleness, or manured with industry, why, the"
                    + "power and corrigible authority of this lies in our"
                    + "wills. If the balance of our lives had not one"
                    + "scale of reason to poise another of sensuality, the"
                    + "blood and baseness of our natures would conduct us"
                    + "to most preposterous conclusions: but we have"
                    + "reason to cool our raging motions, our carnal"
                    + "stings, our unbitted lusts, whereof I take this that"
                    + "you call love to be a sect or scion.",

            "Blow, winds, and crack your cheeks! rage! blow!"
                    + "You cataracts and hurricanoes, spout"
                    + "Till you have drench‘d our steeples, drown‘d the cocks!"
                    + "You sulphurous and thought-executing fires,"
                    + "Vaunt-couriers to oak-cleaving thunderbolts,"
                    + "Singe my white head! And thou, all-shaking thunder,"
                    + "Smite flat the thick rotundity o‘ the world!"
                    + "Crack nature‘s moulds, an germens spill at once,"
                    + "That make ingrateful man!" };

}