代码介绍:

  模仿UC等软甲加载时检测网络的闪烁点效果,具体美化交给大家自己了,希望大家能有用的上



  代码如下:

  public class MainActivity extends Activity {  /** Called when the activity is first created. */  private int count = 5;  private int[] imgIDs = {R.id.widget29,R.id.widget30,R.id.widget31,R.id.widget32,R.id. widget33};  private int INDEX_SELECTED = 0;  private final int EDIT_TYPE_SELECTED = 1; //选中的  private final int EDIT_TYPE_NO_SELECTED = 2; //未选中的  @Override  public void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.main);  final IndexThread thread = new IndexThread();  for(int id : imgIDs)  ((ImageView)findViewById(id)).setBackgroundResource(R.drawable.progress_bg_small);  thread.start();  Button btn = (Button)findViewById(R.id.button1);  btn.setOnClickListener(new View.OnClickListener() {  @Override  public void onClick(View v) {  thread.flag = false;  }  });  }  public Handler myHandler = new Handler() {  @Override  public void handleMessage(Message msg) {  Log.i("Test","---"+ msg.arg1);  switch(msg.what)  {  case EDIT_TYPE_SELECTED:  ((ImageView)findViewById(msg.arg1)).setBackgroundResource(R.drawable.progress_go_small) ;  break;  case EDIT_TYPE_NO_SELECTED:  ((ImageView)findViewById(msg.arg1)).setBackgroundResource(R.drawable.progress_bg_small) ;  break;  }  }  };  class IndexThread extends Thread  {  boolean flag = true;  @Override  public void run()  {  Message msg;  while(flag)  {  for(int i= 0 ; i < count ; i++)  {  Log.i("Test","---"+ count);  msg = new Message();  msg.what = EDIT_TYPE_SELECTED;  msg.arg1 = imgIDs[i];  myHandler.sendMessage(msg);  //findViewById(imgIDs[i]).setBackgroundResource(R.drawable.progress_go_small);  msg = new Message();  if(i==0)  {  msg.what = EDIT_TYPE_NO_SELECTED;  msg.arg1 = imgIDs[count-1];  myHandler.sendMessage(msg);  //findViewById(imgIDs[count-1]).setBackgroundResource(R.drawable.progress_bg_small);  }  else  {  msg.what = EDIT_TYPE_NO_SELECTED;  msg.arg1 = imgIDs[i-1];  myHandler.sendMessage(msg);  //findViewById(imgIDs[i-1]).setBackgroundResource(R.drawable.progress_bg_small);  }  SystemClock.sleep(500);  }  }  }  }  }
  XML文件如下:
  <?xml version="1.0" encoding="utf-8"/?>  <LinearLayout  android:id="@+id/widget27"  android:layout_width="fill_parent"  android:layout_height="fill_parent"  xmlns:android="http://schemas.android.com/apk/res/android"  android:orientation="vertical"  >  <TextView  android:id="@+id/widget28"  android:layout_width="fill_parent"  android:layout_height="wrap_content"  android:text="@string/hello"  >  </TextView>  <LinearLayout android:layout_width="fill_parent"android:layout_height="wrap_content" android:id="@+id/linearLayout1">  <ImageView  android:id="@+id/widget29"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  >  </ImageView>  <ImageView  android:id="@+id/widget30"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  >  </ImageView>  <ImageView  android:id="@+id/widget31"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  >  </ImageView>  <ImageView  android:id="@+id/widget32"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  >  </ImageView>  <ImageView  android:id="@+id/widget33"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  >  </ImageView>  </LinearLayout>  <Button android:text="stop" android:id="@+id/button1"android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>  </LinearLayout>





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转载:http://www.adobex.com/android/source/details/00000365.htm

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