本文實例講述了Android編程設置TextView顏色setTextColor用法。分享給大家供大家參考，具體如下：
android中設置TextView的顏色有方法setTextColor，這個方法被重載了，可以傳入兩種參數。
public void setTextColor(int color) { mTextColor = ColorStateList.valueOf(color); updateTextColors();}public void setTextColor(ColorStateList colors) { if (colors == null) { throw new NullPointerException(); } mTextColor = colors; updateTextColors();}下邊就分別寫出怎么使用這兩個方法設置TextView的顏色：
TextView tv = new TextView(this);tv.setText("Test set TextView's color.");//方案一：代碼中通過argb值的方式tv.setTextColor(Color.rgb(255, 255, 255));這種方法也就是傳入int color值，這個int不是R文件中自動分配的int值，所以要注意。這是Color類中的靜態方法構造出來的顏色int值。
Resources resource = (Resources) getBaseContext().getResources();ColorStateList csl = (ColorStateList) resource.getColorStateList(R.color.my_color);if (csl != null) { tv.setTextColor(csl);}這種方法是通過ColorStateList得到xml中的配置的顏色的。好多需要xml中配置的都要類似這樣的映射xml文件。
還有種方法：
XmlResourceParser xrp = getResources().getXml(R.color.my_color);try { ColorStateList csl = ColorStateList.createFromXml(getResources(), xrp); tv.setTextColor(csl);} catch (Exception e) {}全部代碼：
package com.txlong;import android.app.Activity;import android.graphics.Color;import android.os.Bundle;import android.widget.TextView;public class ListViewDemoActivity extends Activity { // private ListView listView; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); TextView tv = new TextView(this); tv.setText("Test set TextView's color."); //方案一：通過ARGB值的方式 /** * set the TextView color as the 0~255's ARGB，These component values * should be [0..255], but there is no range check performed, so if they * are out of range, the returned color is undefined */// tv.setTextColor(Color.rgb(255, 255, 255)); /** * set the TextView color as the #RRGGBB #AARRGGBB 'red', 'blue', * 'green', 'black', 'white', 'gray', 'cyan', 'magenta', 'yellow', * 'lightgray', 'darkgray' */ tv.setTextColor(Color.parseColor("#FFFFFF")); /** 原來不知道有上邊的方法，就用這個笨笨方法了 */// String StrColor = null;// StrColor = "FFFFFFFF";// int length = StrColor.length();// if (length == 6) {// tv.setTextColor(Color.rgb(// Integer.valueOf(StrColor.substring(0, 2), 16),// Integer.valueOf(StrColor.substring(2, 4), 16),// Integer.valueOf(StrColor.substring(4, 6), 16)));// } else if (length == 8) {// tv.setTextColor(Color.argb(// Integer.valueOf(StrColor.substring(0, 2), 16),// Integer.valueOf(StrColor.substring(2, 4), 16),// Integer.valueOf(StrColor.substring(4, 6), 16),// Integer.valueOf(StrColor.substring(6, 8), 16)));// } //方案二：通過資源引用// tv.setTextColor(getResources().getColor(R.color.my_color)); //方案三：通過資源文件寫在String.xml中// Resources resource = (Resources) getBaseContext().getResources();// ColorStateList csl = (ColorStateList) resource.getColorStateList(R.color.my_color);// if (csl != null) {// tv.setTextColor(csl);// } //方案四：通過xml文件，如/res/text_color.xml// XmlPullParser xrp = getResources().getXml(R.color.text_color);// try {// ColorStateList csl = ColorStateList.createFromXml(getResources(), xrp);// tv.setTextColor(csl);// } catch (Exception e) {// } // listView = new ListView(this); // // Cursor cursor = getContentResolver().query( // Uri.parse("content://contacts/people"), null, null, null, null); // // startManagingCursor(cursor); // // ListAdapter listAdapter = new SimpleCursorAdapter(this, // android.R.layout.simple_expandable_list_item_2, cursor, // new String[] { "name", "name" }, new int[] { // android.R.id.text1, android.R.id.text2 }); // // listView.setAdapter(listAdapter); // setContentView(listView); setContentView(tv); }}String.xml文件為：
<?xml version="1.0" encoding="utf-8"?><resources> <string name="hello">Hello World, ListViewDemoActivity!</string> <string name="app_name">ListViewDemo</string> <color name="my_color">#FFFFFF</color></resources>
/res/color/text_color.xml
<?xml version="1.0" encoding="utf-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_pressed="true" android:color="#FF111111"/> <!-- pressed --> <item android:state_focused="true" android:color="#FF222222"/> <!-- focused --> <item android:state_selected="true" android:color="#FF333333"/> <!-- selected --> <item android:state_active="true" android:color="#FF444444"/> <!-- active --> <item android:state_checkable="true" android:color="#FF555555"/> <!-- checkable --> <item android:state_checked="true" android:color="#FF666666"/> <!-- checked --> <item android:state_enabled="true" android:color="#FF777777"/> <!-- enabled --> <item android:state_window_focused="true" android:color="#FF888888"/> <!-- window_focused --></selector>
希望本文所述對大家Android程序設計有所幫助。
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