用android在外部存储中编写一个文件
btnWriteSDFile = (Button) findViewById(R.id.btnWriteSDFile);btnWriteSDFile.setOnClickListener(new OnClickListener() {
//private Throwable e;
@Override
public void onClick(View v) {
// write on SD card file data from the text box
try {
File myFile = new File("/sdcard/mysdfile.txt");
myFile.createNewFile();
FileOutputStream fOut = new FileOutputStream(myFile);
OutputStreamWriter myOutWriter = new OutputStreamWriter(fOut);
myOutWriter.append(txtData.getText());
myOutWriter.close();
fOut.close();
} catch (Exception e) {
Log.e("ERRR", "Could not create file",e);
}
}// onClick}); // btnWriteSDFile
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