来源: 互联网  发布时间: 2014-02-18

列出目录下的所有图片

public class GalleryTestActivity extends Activity {
  File photos[];
  private static String TAG = "GalleryTest";
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.main);
         File f = new File("/sdcard/pics1");
         photos = f.listFiles(new FilenameFilter() {  
    @Override
    public boolean accept(File dir, String filename) {
     return filename.endsWith("jpg");
    }
   });
         String fileList = "";      
         for (File aFile : photos) {
          fileList += aFile.getName() + "\n";
         }
         TextView v = (TextView)findViewById(R.id.FileList);
         v.setText(fileList);

         Gallery gallery = (Gallery)findViewById(R.id.Gallery);
         gallery.setAdapter(new AddImgAdp(this));
     }

     public class AddImgAdp extends BaseAdapter {
         int GalItemBg;
         private Context cont;

         public AddImgAdp(Context c) {
             cont = c;
             TypedArray typArray = obtainStyledAttributes(R.styleable.GalleryTheme);
             GalItemBg = typArray.getResourceId(R.styleable.GalleryTheme_android_galleryItemBackground, 0);
             typArray.recycle();
         }

         public int getCount() {
             return photos.length;
         }

         public Object getItem(int position) {
             return position;
         }

         public long getItemId(int position) {
             return position;
         }

         public View getView(int position, View convertView, ViewGroup parent) {
          ImageView imgView;
          if (convertView == null)
           imgView = new ImageView(cont);
          else
           imgView = (ImageView)convertView;

            
String filename = photos[position].getAbsolutePath();
             Log.i(TAG, "Loading File " + filename);
             Bitmap bMap = BitmapFactory.decodeFile(filename);
             imgView.setImageBitmap(bMap);

             imgView.setLayoutParams(new Gallery.LayoutParams(120, 90));
             imgView.setScaleType(ImageView.ScaleType.FIT_XY);
             imgView.setBackgroundResource(GalItemBg);

             return imgView;
         }
     }
 }

 

    

    来源: 互联网  发布时间: 2014-02-18

应用分享家V1.4.2版本发布
应用分享家V1.4.2 发布

应用分享家（V1.4.2）是款能管理未安装的APK文件和已安装过程序的软件
在维持V1.1.2版本特性基础上，新增了：

1. 支持直接浏览本地应用管理界面
2. 支持创建快捷方式
3. 支持在电子市场中搜索
4. 对应用列表按照应用时间进行了排序

===============
附件有下载包，请试用。如有不妥，请指教.
如果不能安装，请去除zip后缀名，改为apk后缀名.

    

    来源: 互联网  发布时间: 2014-02-18

播放音乐时的状态条使用

<ProgressBar android:id="@+id/progreso"
        

 

public class Player extends Activity implements Runnable, OnClickListener{

   private TextView Status;
   private ProgressBar progressBar;
   private Button StartMedia;
   private Button Stop;
   private MediaPlayer mp;      

   @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

       Status = (TextView) findViewById(R.id.Status);
        progressBar = (ProgressBar) findViewById(R.id.progressBar);
        StartMedia = (Button) findViewById(R.id.StartMedia);
        Stop = (Button) findViewById(R.id.Stop);

        StartMedia.setOnClickListener(this);
        Stop.setOnClickListener(this);                
    }        

@Override
public void onClick(View v) {
        if(v.equals(StartMedia)){
            if(mp != null && mp.isPlaying()) return;
            mp = MediaPlayer.create(Player.this, R.raw.exodus_piranha);
            mp.start();               
            Status.setText(R.string.PlayingMedia);         
            progressBar.setVisibility(ProgressBar.VISIBLE);
            progressBar.setProgress(0);
            progressBar.setMax(mp.getDuration());
            new Thread(this).start();
        }

        if(v.equals(Stop) && mp!=null){
            mp.stop();
            mp = null;            
            Status.setText(R.string.Stopped);
            progressBar.setVisibility(ProgressBar.GONE);
        }

}

    @Override
    public void run() {
        int CurrentPosition= 0;
        int total = mp.getDuration();
        while(mp!=null && CurrentPosition<total){
            try {
                Thread.sleep(1000);
                CurrentPosition= mp.getCurrentPosition();
            } catch (InterruptedException e) {
                return;
            } catch (Exception e){
                return;
            }            
            progressBar.setProgress(CurrentPosition);
        }
    }


}