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值得一看:Android給應用定製皮膚

←手機掃碼閱讀     火星人 @ 2014-03-12 , reply:0
  

在實現程序功能的同時,如果能讓程序界面更加美觀,有錦上添花之妙.

先說思路:

1)皮膚也就是相關的資源文件單獨放置在某個工程中,一種皮膚一個工程文件.一個工程包括N多的資源文件,多個工程間資源的關係是,文件名,資源ID等完全一樣.不同的可能是圖片資源,style等的設置不一樣.

皮膚工程在AndroidManifest.xml中配置android:sharedUserId="com.eric.skinmain".

表明允許com.eric.skinmain訪問本工程中的資源文件. com.eric.skinmain是主項目的包名

3)主項目通過 this.createPackageContext("com.eric.blackskin",Context.CONTEXT_IGNORE_SECURITY);

獲取到com.eric.blackskin對應的Context,然後通過返回的context對象就可以訪問到com.eric.blackskin中的任何資源,如同訪問自身的資源一樣.

註:記得先安裝皮膚工程對應的apk文件.

  1. public class main extends Activity { 
  2.         /** Called when the activity is first created. */ 
  3.         private LinearLayout showBg; 
  4.         private Button btn; 
  5.         private Context green_skin_Context = null
  6.         private Context black_skin_Context = null
  7.         int flag = 0
  8.  
  9.         @Override 
  10.         public void onCreate(Bundle savedInstanceState) { 
  11.                 super.onCreate(savedInstanceState); 
  12.                 setContentView(R.layout.main); 
  13.                 showBg = (LinearLayout) findViewById(R.id.linear_layout_1); 
  14.                 try { 
  15.                         green_skin_Context = this.createPackageContext( 
  16.                                         "com.eric.greenskin", Context.CONTEXT_IGNORE_SECURITY); 
  17.                 } catch (NameNotFoundException e) { 
  18.                         e.printStackTrace(); 
  19.                 } 
  20.                 try { 
  21.                         black_skin_Context = this.createPackageContext( 
  22.                                         "com.eric.blackskin", Context.CONTEXT_IGNORE_SECURITY); 
  23.                 } catch (NameNotFoundException e) { 
  24.                         e.printStackTrace(); 
  25.                 } 
  26.                 btn = (Button) findViewById(R.id.btn_change_skin); 
  27.                 btn.setOnClickListener(new OnClickListener() { 
  28.                         @Override 
  29.                         public void onClick(View v) { 
  30.                                 if (flag == 0) { 
  31.                                         showBg.setBackgroundDrawable(green_skin_Context 
  32.                                                         .getResources().getDrawable(R.drawable.bg)); 
  33.                                         btn.setBackgroundDrawable(green_skin_Context 
  34.                                                         .getResources().getDrawable(R.drawable.btn_normal)); 
  35.                                          
  36.                                         flag = 1
  37.                                 } else if (flag == 1) { 
  38.                                         showBg.setBackgroundDrawable(black_skin_Context 
  39.                                                         .getResources().getDrawable(R.drawable.bg)); 
  40.                                         btn.setBackgroundDrawable(black_skin_Context 
  41.                                                         .getResources().getDrawable(R.drawable.btn_normal)); 
  42.                                         flag = 0
  43.                                 } 
  44.                         } 
  45.                 }); 
  46.         } 



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