【文件属性】：
文件名称：Android 文件读写源码
文件大小：47KB
文件格式：RAR
更新时间：2018-12-12 16:41:29
Android 文件读写
public class MainActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button button = (Button) this.findViewById(R.id.button);
button.setOnClickListener(new ButtonClickListener());
}
private final class ButtonClickListener implements View.OnClickListener{
public void onClick(View v) {
EditText filenameText = (EditText) findViewById(R.id.filename);
EditText contentText = (EditText) findViewById(R.id.filecontent);
String filename = filenameText.getText().toString();
String content = contentText.getText().toString();
FileService service = new FileService(getApplicationContext());
try {
//判断SDCard是否存在，并且可以读写
if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){
service.saveToSDCard(filename, content);
Toast.makeText(getApplicationContext(), R.string.success, 1).show();
}else{
Toast.makeText(getApplicationContext(), R.string.sdcarderror, 1).show();
}
} catch (Exception e) {
Toast.makeText(getApplicationContext(), R.string.fail, 1).show();
e.printStackTrace();
}
}
}
}
【文件预览】：
File
----bin()
--------classes.dex(7KB)
--------cn()
--------resources.ap_(11KB)
--------File.apk(16KB)
----res()
--------drawable-ldpi()
--------drawable-hdpi()
--------values()
--------drawable-mdpi()
--------layout()
----assets()
----default.properties(364B)
----gen()
--------cn()
----src()
--------cn()
----.project(840B)
----.classpath(280B)
----AndroidManifest.xml(1KB)