一般來說，我都是用Android默認的Tab，但此時Android會根據你增加的Tab頁面平均分配Tab標簽，假如你只有兩個Tab，那么長度將會很長，并且其高度略微過高，并不好看，網上解決這個問題有些是自定義Tab。我們仍然使用默認的Tab解決此問題。

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修改前 代碼、圖片如下：

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[java]?view plaincopy

import?android.app.TabActivity;??

import?android.graphics.Color;??

import?android.os.Bundle;??

import?android.view.LayoutInflater;??

import?android.widget.TabHost;??

import?android.widget.TabHost.OnTabChangeListener;??

??

public?class?MyTab?extends?TabActivity?implements?OnTabChangeListener?{??

??

????private?TabHost?myTabhost;??

??????

??????

????@Override??

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

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

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

????????myTabhost?=?this.getTabHost();??

????????//?get?Tabhost??

????????LayoutInflater.from(this).inflate(R.layout.main,??

????????????????myTabhost.getTabContentView(),?true);??

????????myTabhost.setBackgroundColor(Color.argb(150,?22,?70,?150));??

??

????????myTabhost.addTab(myTabhost.newTabSpec("One")//?make?a?new?Tab??

????????????????.setIndicator("查詢信息",?getResources().getDrawable(R.drawable.gimp))??

????????????????//?set?the?Title?and?Icon??

????????????????.setContent(R.id.widget_layout_Blue));??

????????//?set?the?layout??

??

????????myTabhost.addTab(myTabhost??

????????????????.newTabSpec("Two")??

????????????????//?make?a?new?Tab??

????????????????.setIndicator("簽到",??

????????????????????????getResources().getDrawable(R.drawable.mumule))??

????????????????//?set?the?Title?and?Icon??

????????????????.setContent(R.id.widget_layout_green));??

??

????}??

??

??????

??

????@Override??

????public?void?onTabChanged(String?tagString)?{??

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

??????????

??????????

????}??

??

}??

?

?

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下面我就如何 改變Tab標簽大小及間距作出說明：

我在網上查閱文檔，如果要改變此大小或者間距，必須將標簽欄寬高設為 wrapContent（其他的我尚未驗證）：以下為修改代碼及其效果：

?

?

[java]?view plaincopy

import?android.app.TabActivity;??

import?android.graphics.Color;??

import?android.os.Bundle;??

import?android.view.LayoutInflater;??

import?android.view.View;??

import?android.view.ViewGroup.LayoutParams;??

import?android.widget.LinearLayout;??

import?android.widget.TabHost;??

import?android.widget.TabWidget;??

import?android.widget.TabHost.OnTabChangeListener;??

??

public?class?MyTab?extends?TabActivity?implements?OnTabChangeListener?{??

??

????private?TabHost?myTabhost;??

??????

??????

????@Override??

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

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

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

????????myTabhost?=?this.getTabHost();??

????????//?get?Tabhost??

????????LayoutInflater.from(this).inflate(R.layout.main,??

????????????????myTabhost.getTabContentView(),?true);??

????????myTabhost.setBackgroundColor(Color.argb(150,?22,?70,?150));??

??

????????myTabhost.addTab(myTabhost.newTabSpec("One")//?make?a?new?Tab??

????????????????.setIndicator("查詢信息",?getResources().getDrawable(R.drawable.gimp))??

????????????????//?set?the?Title?and?Icon??

????????????????.setContent(R.id.widget_layout_Blue));??

????????//?set?the?layout??

??

????????myTabhost.addTab(myTabhost??

????????????????.newTabSpec("Two")??

????????????????//?make?a?new?Tab??

????????????????.setIndicator("簽到",??

????????????????????????getResources().getDrawable(R.drawable.mumule))??

????????????????//?set?the?Title?and?Icon??

????????????????.setContent(R.id.widget_layout_green));??

??

????????//?首先得到標簽欄??

????????TabWidget?tabWidget?=?myTabhost.getTabWidget();??

????????//設置標簽欄寬高為?WRAP_CONTENT??

????????LinearLayout.LayoutParams?params?=?new?LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT,?LayoutParams.WRAP_CONTENT);??

????????tabWidget.setLayoutParams(params);??

????????int?count?=?tabWidget.getChildCount();??

????????//得到每一個標簽，并設置其寬高??

?????????for?(int?i?=?0;?i?<?count;?i++)?{??

???????????????View?view?=?tabWidget.getChildTabViewAt(i);?????

???????????????view.getLayoutParams().height?=?50;?//tabWidget.getChildAt(i)??

???????????????view.getLayoutParams().width?=?80;??

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

??

????}??

??

??????

??

????@Override??

????public?void?onTabChanged(String?tagString)?{??

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

??????????

??????????

????}??

??

}??

?

轉載于:https://www.cnblogs.com/firecode/archive/2012/11/26/2788684.html

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