/** 保存方法 */ public void saveBitmap() { Log.e(TAG, "保存图片"); File f = new File("/sdcard/namecard/", picName); if (f.exists()) { f.delete(); } try { FileOutputStream out = new FileOutputStream(f); bm.compress(Bitmap.Co
将数据保存在外部存储器上 /* Checks if external storage is available for read and write */ public boolean isExternalStorageWritable() { String state = Environment.getExternalStorageState(); if (Environment.MEDIA_MOUNTED.equals(state)) { return true; } return fals
public class DataActivity extends Activity { private EditText filenameText; private EditText contentText; private TextView resultView; private static final String TAG = "DataActivity"; /** Called when the activity is first created. */ @Override