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android Manifest Manifest.permission Manifest.permission_group android.accessibilityservice AccessibilityService android.accounts Account android.app NotificationManager android.bluetooth BluetoothAdapter BluetoothClass BluetoothClass.Device BluetoothClass.Device.Major BluetoothClass.Service BluetoothDevice BluetoothServerSocket BluetoothSocket android.content SharedPreferences android.database.sqlite SQLiteCursorDriver SQLiteOpenHelper android.graphics Bitmap android.location LocationListener Geocoder GpsStatus GpsStatus.Listener GpsStatus.NmeaListener GpsSatellite android.media AudioFormat AsyncPlayer AudioRecord AudioRecord.OnRecordPositionUpdateListener ThumbnailUtils AudioManager android.net TrafficStats MailTo LocalSocket android.os AsyncTask AsyncTask.Status CountDownTimer Message MessageQueue HandlerThread android.text Html android.util JsonWriter android.view ContextMenu ContextMenu.ContextMenuInfo Display ViewManager View ViewStub ViewTreeObserver ViewParent WindowManager GestureDetector Gravity MenuInflater ScaleGestureDetector SoundEffectConstants android.view.inputmethod InputConnection InputMethod InputMethodSession BaseInputConnection InputMethodManager android.widget AbsListView AbsListView.LayoutParams AbsListView.OnScrollListener AbsListView.RecyclerListener AbsoluteLayout AbsoluteLayout.LayoutParams AbsSeekBar AbsSpinner AdapterView AdapterView.AdapterContextMenuInfo AdapterView.OnItemLongClickListener AdapterView.OnItemSelectedListener AdapterView.OnItemClickListener AnalogClock BaseAdapter BaseExpandableListAdapter Button CheckBox CheckedTextView Checkable Chronometer Chronometer.OnChronometerTickListener CompoundButton CompoundButton.OnCheckedChangeListener CursorAdapter CursorTreeAdapter DatePicker DatePicker.OnDateChangedListener DialerFilter DigitalClock EditText Filter Filter.FilterListener Filter.FilterResults ExpandableListAdapter ExpandableListView.OnChildClickListener ExpandableListView.OnGroupClickListener ExpandableListView.OnGroupCollapseListener ExpandableListView.OnGroupExpandListener Filterable Gallery Gallery.LayoutParams GridView GridLayout GridLayout.Alignment RadioGroup ImageView ImageView.ScaleType HorizontalScrollView ImageButton ImageSwitcher FilterQueryProvider ListAdapter ListView MediaController MultiAutoCompleteTextView MultiAutoCompleteTextView.CommaTokenizer MultiAutoCompleteTextView.Tokenizer QuickContactBadge RadioButton RatingBar RatingBar.OnRatingBarChangeListener RelativeLayout RemoteViews ResourceCursorAdapter ResourceCursorTreeAdapter Scroller ScrollView SearchView SearchView.OnCloseListener SearchView.OnQueryTextListener SearchView.OnSuggestionListener SeekBar SeekBar.OnSeekBarChangeListener SimpleAdapter SimpleAdapter.ViewBinder SimpleCursorAdapter SimpleCursorAdapter.CursorToStringConverter SimpleCursorAdapter.ViewBinder SimpleCursorTreeAdapter SimpleCursorTreeAdapter.ViewBinder SimpleExpandableListAdapter SlidingDrawer SlidingDrawer.OnDrawerCloseListener SlidingDrawer.OnDrawerOpenListener SlidingDrawer.OnDrawerScrollListener Spinner SpinnerAdapter WrapperListAdapter TabHost TabHost.TabSpec TextView TimePicker TimePicker.OnTimeChangedListener Toast TableLayout TableLayout.LayoutParams TableRow TableRow.LayoutParams TabWidget TextSwitcher ToggleButton TwoLineListItem VideoView ViewAnimator ViewFlipper ViewSwitcher ViewSwitcher.ViewFactory ZoomButtonsController ZoomButtonsController.OnZoomListener ZoomButton ZoomControls dalvik.system DexFile
文字


TabWidget

版本:Android 3.0 r1

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結(jié)構(gòu)

繼承關(guān)系

public class TabWidget extends LinearLayout

implements View.OnFocusChangeListener

????????

java.lang.Object

???????? android.view.View

?????????????????? android.view.ViewGroup

??????????????????????????? android.widget.LinearLayout

???????????????????????????????????? android.widget.TabWidget

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類概述

顯示選項(xiàng)卡標(biāo)簽的列表,用于代表父選項(xiàng)卡集合的每一頁(yè)。當(dāng)前widget的容器對(duì)象是TabHost。當(dāng)用戶選擇一個(gè)選項(xiàng)卡時(shí),此對(duì)象給父容器對(duì)象TabHost發(fā)送一個(gè)消息,告訴TabHost切換到對(duì)應(yīng)的頁(yè)面顯示。此對(duì)象上的很多方法,你通常不會(huì)直接使用。容器TabHost被用來添加標(biāo)簽,添加并管理回調(diào)函數(shù)。你可能會(huì)調(diào)用此對(duì)象以迭代選項(xiàng)卡列表,或者調(diào)整選項(xiàng)卡列表的布局,但大多數(shù)方法應(yīng)該是通過容器TabHost對(duì)象調(diào)用。

參見Tab Layout tutorial。

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XML屬性

屬性名稱

描述

android:divider

可繪制對(duì)象,被繪制在選項(xiàng)卡窗口間充當(dāng)分割物。

android:tabStripEnabled

確定是否在選項(xiàng)卡繪制

android:tabStripLeft

被用來繪制選項(xiàng)卡下面的分割線左邊部分的可視化對(duì)象。

android:tabStripRight

被用來繪制選項(xiàng)卡下面的分割線右邊部分的可視化對(duì)象。

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公共方法

public void addView (View child)

增加子視圖。如果子視圖沒有設(shè)置布局參數(shù),那么將為子視圖設(shè)置此ViewGroup默認(rèn)的布局參數(shù)。

參數(shù)

child????????? 新增的子視圖

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public void childDrawableStateChanged (View child)

如果調(diào)用addStatesFromChildren函數(shù)返回true,刷新此組的可視化對(duì)象的狀態(tài)(包括它的子元素的狀態(tài))。

參數(shù)

child ???????? 可視化對(duì)象狀態(tài)被改變的子元素。

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public void dispatchDraw (Canvas canvas)

繪制時(shí)調(diào)用此方法來繪制子視圖。派生類在被繪制之前,為獲取控制可能會(huì)重寫此方法(但必須在它自己的視圖已經(jīng)被繪制之后)。

參數(shù)

canvas????? 繪制視圖的畫布(canvas)

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public void focusCurrentTab (int index)

設(shè)置當(dāng)前選項(xiàng)卡并且讓其獲得焦點(diǎn)。此方法確保獲取焦點(diǎn)的選項(xiàng)卡窗口匹配選中的窗口,一般情況下類似 setCurrentTab(int)。通常當(dāng)我們通過操作UI實(shí)現(xiàn)時(shí),這些都不是問題,

因?yàn)?/span>UI負(fù)責(zé)調(diào)用TabWidget.onFocusChanged(),但如果我們通過程序控制選中選項(xiàng)卡窗口,那么我們就必須確認(rèn)保持焦點(diǎn)。(譯者注:setCurrentTab(int)執(zhí)行后,選中指定索引的選項(xiàng)卡窗口,但不獲取焦點(diǎn)。focusCurrentTab(int)執(zhí)行后,不僅通過調(diào)用setCurrentTab(int)

選中指定索引的選項(xiàng)卡窗口還獲取焦點(diǎn)。)

參數(shù)

index???????? 你想要設(shè)置焦點(diǎn)(橘色高亮)并且選中(選項(xiàng)卡被至于部件widget的前端)的選項(xiàng)卡。

參見

setCurrentTab(int)

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public View getChildTabViewAt (int index)

返回位于指定索引位置的選項(xiàng)卡標(biāo)識(shí)符的視圖

參數(shù)

index???????? 選項(xiàng)卡指示符視圖返回的從零開始的索引

返回值

在提供的索引位置上的選項(xiàng)卡指示符視圖

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public int getTabCount ()

返回選項(xiàng)卡的數(shù)量

返回值

選項(xiàng)卡指示符視圖的數(shù)量

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public boolean isStripEnabled ()

指明選項(xiàng)卡指示符的底部分隔線是否繪制

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public void onFocusChange (View v, boolean hasFocus)

當(dāng)視圖的焦點(diǎn)狀態(tài)被改變時(shí)調(diào)用。

參數(shù)

v???????????????? 狀態(tài)變化的視圖

hasFocus 視圖的新焦點(diǎn)狀態(tài)。

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???????? public void sendAccessibilityEventUnchecked (AccessibilityEvent event)

??? 處理用于發(fā)送AccessibilityEvent的請(qǐng)求。如果再發(fā)送之前調(diào)度事件,方法不保證可訪問性檢查??梢酝ㄟ^調(diào)用者調(diào)用isEnabled()檢查。

?????????????????? 參數(shù)

??????????????????????????? event??????? 事件

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public void setCurrentTab (int index)

設(shè)置當(dāng)前選項(xiàng)卡。此方法被用來將選項(xiàng)卡置于widget的前部,并且通知其它的UI元素,一個(gè)不同的選項(xiàng)卡被調(diào)整到了前臺(tái)。注意,這不同于傳統(tǒng)的“焦點(diǎn)”,是從視圖邏輯的焦點(diǎn)。

例如,如果我們?cè)谶x項(xiàng)卡式視圖中有一個(gè)列表,一個(gè)用戶可能會(huì)上下移動(dòng)列表,通過列表選項(xiàng)移動(dòng)UI焦點(diǎn)(橘色高亮)。光標(biāo)的移動(dòng)并不影響選項(xiàng)卡的選中狀態(tài),因?yàn)闈L動(dòng) 是在同一個(gè)選項(xiàng)卡上的。選中的選項(xiàng)卡僅僅當(dāng)我們?cè)谶x項(xiàng)卡上切換時(shí)(在此例中,從列表視圖移到下一選項(xiàng)卡視圖)更改。如果想要一次性的設(shè)置焦點(diǎn)并選中選項(xiàng)卡,請(qǐng)使用setCurrentTab(int)

正常情況下,視圖邏輯關(guān)注調(diào)整焦點(diǎn),除非你規(guī)避了UI,你可能僅僅將你的興趣集中在這里。

參數(shù)

index????????????????? 你想要指做選中選項(xiàng)卡的選項(xiàng)卡索引(選項(xiàng)卡被顯示到widget的前部)

參見

focusCurrentTab(int)

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public void setDividerDrawable (Drawable drawable)

設(shè)置用于在選項(xiàng)窗口指示符間分隔的可繪制對(duì)象

參數(shù)

drawable????????? 用于分隔的可繪制對(duì)象

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public void setDividerDrawable (int resId)

設(shè)置用于在兩個(gè)選項(xiàng)卡標(biāo)識(shí)符之間進(jìn)行分隔的可繪制對(duì)象

參數(shù)

resId???????? ???????? 被用來分隔的可繪制對(duì)象的資源標(biāo)識(shí)

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public void setEnabled (boolean enabled)

設(shè)置當(dāng)前視圖的啟用狀態(tài)。子類的不同而其對(duì)應(yīng)的啟用狀態(tài)的解釋也不相同。

參數(shù)

enabled??? 是否啟動(dòng)

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public void setLeftStripDrawable (int resId)

設(shè)置被用來當(dāng)作選項(xiàng)卡指示符下面的分割線,左邊部分的可繪制對(duì)象。

參數(shù)

resId???????? the?? 被用來當(dāng)作左邊分隔線的可繪制對(duì)象的資源標(biāo)識(shí)符

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public void setLeftStripDrawable (Drawable drawable)

設(shè)置被用來當(dāng)作選項(xiàng)卡指示符下面的分割線,左邊部分的可繪制對(duì)象。

參數(shù)

drawable 左邊分隔線的可繪制對(duì)象

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public void setRightStripDrawable (int resId)

設(shè)置被用來當(dāng)作選項(xiàng)卡指示符下面的分割線,右邊部分的可繪制對(duì)象。

參數(shù)

resId???????? ???????? 被用來當(dāng)作右邊分隔線的可繪制對(duì)象的資源標(biāo)識(shí)符

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public void setRightStripDrawable (Drawable drawable)

設(shè)置被用來當(dāng)作選項(xiàng)卡指示符下面的分割線,右邊部分的可繪制對(duì)象。

參數(shù)

drawable 右邊分隔線的可繪制對(duì)象

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public void setStripEnabled (boolean stripEnabled)

控制選項(xiàng)卡指示符底部的分隔線是否繪制。默認(rèn)是繪制。如果用戶為選項(xiàng)卡指示符指定一個(gè)定制的視圖,那么TabHost類調(diào)用此方法以禁用繪制底部分割線。

參數(shù)

stripEnabled??? 如果需要繪制底部分割線為true

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受保護(hù)方法

protected int getChildDrawingOrder (int childCount, int i)

返回要繪制的子元素在當(dāng)前迭代中的索引。如果你需要修改子元素的繪制順序,可以覆寫此方法。默認(rèn)情況下返回參數(shù)i值。

注意:為使此方法被調(diào)用,你必須先通過調(diào)用setChildrenDrawingOrderEnabled(boolean)啟用子元素排序

參數(shù)

i??????? ???????? 當(dāng)前的迭代值

返回值

將要繪制的子元素在當(dāng)前迭代的索引

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protected void onSizeChanged (int w, int h, int oldw, int oldh)

布局過程中,當(dāng)此視圖的大小發(fā)生改變時(shí)被調(diào)用的。如果你只是添加到視圖的層次結(jié)構(gòu),你調(diào)用時(shí)可以使用0當(dāng)作之前的值(old value)。

參數(shù)

w????? ???????? 此視圖的當(dāng)前寬度

h?????? ???????? 此視圖的當(dāng)前高度

oldw????????? Old此視圖之前的寬度

oldh ???????? 此視圖之前的高度

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補(bǔ)充

???????? 術(shù)語(yǔ)對(duì)照

indicator?????????? 指示符

drawable????????? 可繪制對(duì)象

iteration??????????? 迭代

strips???????????????? 分割線

文章鏈接

Android選項(xiàng)卡(TabWidget)例子

{Android學(xué)習(xí)指南}TabWidget

AndroidTAB選項(xiàng)卡放在屏幕底部

示例代碼

???????? Java

public class TabDemo1 extends Activity implements OnClickListener {

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???????? TabHost mTabHost = null;

???????? TabWidget mTabWidget = null;

???????? Button btnVisiable, btnStrip;

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???????? @Override

???????? protected void onCreate(Bundle savedInstanceState) {

?????????????????? // TODO Auto-generated method stub

?????????????????? super.onCreate(savedInstanceState);

?????????????????? setContentView(R.layout.tabdemo1);

?????????????????? mTabHost = (TabHost) findViewById(android.R.id.tabhost);

?????????????????? mTabHost.setup();

???????? ???????? mTabWidget = mTabHost.getTabWidget();

?????????????????? mTabHost.addTab(mTabHost.newTabSpec("tab1").setContent(

???????????????????????????????????? R.id.LinearLayout001).setIndicator("Tab1"));

?????????????????? mTabHost.addTab(mTabHost.newTabSpec("tab2").setContent(

???????????????????????????????????? R.id.LinearLayout002).setIndicator("Tab2"));

?????????????????? mTabHost.addTab(mTabHost.newTabSpec("tab3").setContent(

???????????????????????????????????? R.id.LinearLayout003).setIndicator("Tab3"));

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?????????????????? // mTabHost.setCurrentTab(1);

?????????????????? btnVisiable = (Button) findViewById(R.id.btnVisiable);

?????????????????? btnStrip = (Button) findViewById(R.id.btnStrip);

?????????????????? btnVisiable.setOnClickListener(this);

?????????????????? btnStrip.setOnClickListener(this);

?????????????????? setTitle("共有" + mTabWidget.getTabCount() + "個(gè)tab");

???????? }

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???????? @Override

???????? public void onClick(View v) {

?????????????????? // TODO Auto-generated method stub

?????????????????? switch (v.getId()) {

?????????????????? case R.id.btnVisiable:

??????????????????????????? if (mTabWidget.getVisibility() != android.view.View.VISIBLE)

???????????????????????????????????? mTabWidget.setVisibility(android.view.View.VISIBLE);

??????????????????????????? else

???????????????????????????????????? mTabWidget.setVisibility(android.view.View.INVISIBLE);

??????????????????????????? break;

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?????????????????? case R.id.btnStrip:

??????????????????????????? mTabWidget.setStripEnabled(!mTabWidget.isStripEnabled());

??????????????????????????? mTabWidget.setRightStripDrawable(android.R.color.transparent);

??????????????????????????? break;

?????????????????? default:

??????????????????????????? break;

?????????????????? }

???????? }

}???????

???????? XML

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

<TabHost xmlns:android="http://schemas.android.com/apk/res/android"

???????? android:layout_width="fill_parent" android:layout_height="fill_parent"

???????? android:id="@android:id/tabhost"

>?

???????? ?

???????? <LinearLayout android:layout_width="fill_parent"

?????????????????? android:orientation="vertical" android:layout_height="fill_parent"

???????? >

?????????????????? ??

?????????????????? <TabWidget android:id="@android:id/tabs"

??????????????????????????? android:layout_width="fill_parent" android:layout_height="wrap_content"

?????????????????? ></TabWidget>

?????????????????? <FrameLayout android:id="@android:id/tabcontent"

??????????????????????????? android:layout_height="wrap_content" android:layout_width="fill_parent"

?????????????????? >

??????????????????????????? <LinearLayout android:id="@+id/LinearLayout001" android:orientation="vertical"

???????????????????????????????????? android:layout_width="fill_parent" android:layout_height="fill_parent"

??????????????????????????? >

??????????????????????????? <Button android:id="@+id/btnVisiable" android:text="顯示狀態(tài)切換"

?????????????????????????????????????????????? android:layout_width="fill_parent" android:layout_height="wrap_content"

???????????????????????????????????? ></Button>

???????????????????????????????????? <Button android:id="@+id/btnStrip" android:layout_width="fill_parent"

?????????????????????????????????????????????? android:layout_height="wrap_content" android:text="分隔線狀態(tài)切換"

???????????????????????????????????? ></Button>

???????????????????????????????????? <TextView android:id="@+id/TextView1" android:layout_width="fill_parent"

?????????????????????????????????????????????? android:layout_height="wrap_content" android:text="小龍是好人!!!"

???????????????????????????????????? ></TextView>

????????????????????????????????????

??????????????????????????? </LinearLayout>

??????????????????????????? <LinearLayout android:id="@+id/LinearLayout002"

???????????????????????????????????? android:layout_width="fill_parent" android:layout_height="fill_parent"

??????????????????????????? >

???????????????????????????????????? <TextView android:id="@+id/TextView2" android:layout_width="fill_parent"

?????????????????????????????????????????????? android:layout_height="wrap_content" android:text="小龍是壞蛋!"

???????????????????????????????????? ></TextView>

??????????????????????????? </LinearLayout>

??????????????????????????? <LinearLayout android:id="@+id/LinearLayout003"

???????????????????????????????????? android:layout_width="fill_parent" android:layout_height="fill_parent"

??????????????????????????? >

???????????????????????????????????? <TextView android:id="@+id/TextView3" android:layout_width="fill_parent"

?????????????????????????????????????????????? android:layout_height="wrap_content" android:text="小龍還是壞蛋!"

???????????????????????????????????? ></TextView>

??????????????????????????? </LinearLayout>

?????????????????? </FrameLayout>

???????? </LinearLayout>

</TabHost>

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