@Override
   public void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       //来指出fragment愿意添加item到选项菜单(否则, fragment将接收不到对 onCreateOptionsMenu()的调用)
       setHasOptionsMenu(true);
   }
   
@Override
   public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
       getActivity().getMenuInflater().inflate(R.menu.menu_yuqing_search, menu);
   }

String permName = "android.permission.RECORD_AUDIO";
       String pkgName = getPackageName();
       // 结果为0则表示使用了该权限，-1则表求没有使用该权限
       int reslut = getPackageManager().checkPermission(permName, pkgName);
       Log.d("wxl", "reslut=" + reslut + "======"
               + PackageManager.PERMISSION_GRANTED);

/**
 * Android load more ListView when scroll down.
 * 
 * @author Charon Chui
 */
public class LoadMoreListView extends ListView {
	protected static final String TAG = "LoadMoreListView";
	private View mFooterView;
	private OnScrollListener mOnScrollListener;
	private OnLoadMoreListener mOnLoadMoreListener;
	/**
	 * If is loading now.
	 */
	private boolean mIsLoading;
	private int mCurrentScrollState;
	public LoadMoreListView(Context context, AttributeSet attrs, int defStyle) {
		super(context, attrs, defStyle);
		init(context);
	}
	public LoadMoreListView(Context context, AttributeSet attrs) {
		super(context, attrs);
		init(context);
	}
	public LoadMoreListView(Context context) {
		super(context);
		init(context);
	}
	private void init(Context context) {
		mFooterView = View.inflate(context, R.layout.load_more_footer, null);
		addFooterView(mFooterView);
		hideFooterView();
		/*
		 * Must use super.setOnScrollListener() here to avoid override when call
		 * this view's setOnScrollListener method
		 */
		super.setOnScrollListener(superOnScrollListener);
	}
	/**
	 * Hide the load more view(footer view)
	 */
	private void hideFooterView() {
		mFooterView.setVisibility(View.GONE);
	}
	/**
	 * Show load more view
	 */
	private void showFooterView() {
		mFooterView.setVisibility(View.VISIBLE);
	}
	@Override
	public void setOnScrollListener(OnScrollListener l) {
		mOnScrollListener = l;
	}
	/**
	 * Set load more listener, usually you should get more data here.
	 * 
	 * @param listener
	 *            OnLoadMoreListener
	 * @see OnLoadMoreListener
	 */
	public void setOnLoadMoreListener(OnLoadMoreListener listener) {
		mOnLoadMoreListener = listener;
	}
	/**
	 * When complete load more data, you must use this method to hide the footer
	 * view, if not the footer view will be shown all the time.
	 */
	public void onLoadMoreComplete() {
		mIsLoading = false;
		hideFooterView();
	}
	private OnScrollListener superOnScrollListener = new OnScrollListener() {
		@Override
		public void onScrollStateChanged(AbsListView view, int scrollState) {
			mCurrentScrollState = scrollState;
			// Avoid override when use setOnScrollListener
			if (mOnScrollListener != null) {
				mOnScrollListener.onScrollStateChanged(view, scrollState);
			}
		}
		@Override
		public void onScroll(AbsListView view, int firstVisibleItem,
				int visibleItemCount, int totalItemCount) {
			if (mOnScrollListener != null) {
				mOnScrollListener.onScroll(view, firstVisibleItem,
						visibleItemCount, totalItemCount);
			}
			// The count of footer view will be add to visibleItemCount also are
			// added to totalItemCount
			if (visibleItemCount == totalItemCount) {
				// If all the item can not fill screen, we should make the
				// footer view invisible.
				hideFooterView();
			} else if (!mIsLoading
					&& (firstVisibleItem + visibleItemCount >= totalItemCount)
					&& mCurrentScrollState != SCROLL_STATE_IDLE) {
				showFooterView();
				mIsLoading = true;
				if (mOnLoadMoreListener != null) {
					mOnLoadMoreListener.onLoadMore();
				}
			}
		}
	};
	/**
	 * Interface for load more
	 */
	public interface OnLoadMoreListener {
		/**
		 * Load more data.
		 */
		void onLoadMore();
	}
`

split("|")实现字符串分割

String chartest = "abcdefghijk";
		char[] chs = chartest.toCharArray();// 注：这里一定要用char来定义。
		for (int i = 0; i < chs.length; i++) {
			// Log.d("wxl", "chs=========" + chs[i]);
		}
		// 输出: a b c d e f g h i j k

LayoutInflater inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);  
View child = inflater.inflate(R.layout.child, null);

Bitmap bm = Bitmap.createBitmap(320, 480, Config.ARGB_8888);  
        Canvas canvas = new Canvas(bm);  
        Paint p = new Paint();  
        canvas.drawRect(50, 50, 200, 200, p);  
        canvas.save(Canvas.ALL_SAVE_FLAG );  
        canvas.restore();  
          
        File f = new File("/sdcard/0.png");  
        FileOutputStream fos = null;  
        try {  
            fos = new FileOutputStream(f);  
            bm.compress(Bitmap.CompressFormat.PNG, 50, fos);  
        } catch (FileNotFoundException e) {  
            // TODO Auto-generated catch block  
            e.printStackTrace();  
        }  
        // 其次把文件插入到系统图库
    try {
        MediaStore.Images.Media.insertImage(context.getContentResolver(),
				file.getAbsolutePath(), fileName, null);
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    // 最后通知图库更新
    context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.parse("file://" + path)));

Canvas canvas;
Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.pic180);  
            canvas.drawColor(Color.BLACK);  
            canvas.drawBitmap(bmp, 10, 10, null);