FileRW.rar_ SharedPreferences_SharedPreferences_android_android

package com.changcheng.File; //import com.changcheng.file.R; //import com.changcheng.file.service.FileService; import android.app.Activity; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; /** * 按钮事件类 * @author Administrator * */ public class FileButtonOnClickEvent implements OnClickListener { // 通过activity获取其他控件 private Activity activity; // 通过FileService读写文件 private FileService fileService; // 打印信息用的标签 private static final String TAG = "FileButtonOnClickEvent"; public FileButtonOnClickEvent(Activity activity) { this.fileService = new FileService(activity); this.activity = activity; } public void onClick(View v) { Button button = (Button) v; switch (button.getId()) { case R.id.bt_save: // 获取文件名 EditText etFileNameS = (EditText) this.activity .findViewById(R.id.et_file_name); String fileNameS = etFileNameS.getText().toString(); // 获取文件内容 EditText etFileConS = (EditText) this.activity .findViewById(R.id.et_file_content); String fileContentS = etFileConS.getText().toString(); // 保存 try { this.fileService.save(fileNameS, fileContentS); // 在窗口中显示一个特效信息框 Toast.makeText(this.activity, R.string.file_save_success, Toast.LENGTH_LONG).show(); Log.i(TAG, "save file success!"); } catch (Exception e) { Toast.makeText(this.activity, R.string.file_save_failed, Toast.LENGTH_LONG).show(); Log.e(TAG, e.toString()); } break; case R.id.bt_read: // 获取文件名 EditText etFileNameR = (EditText) this.activity .findViewById(R.id.et_file_name); String fileNameR = etFileNameR.getText().toString(); // 读取文件 try { String fielContentR = this.fileService.read(fileNameR); EditText etFileConR = (EditText) this.activity .findViewById(R.id.et_file_content); etFileConR.setText(fielContentR); Log.i(TAG, "read file success!"); } catch (Exception e) { Toast.makeText(this.activity, R.string.file_read_failed, Toast.LENGTH_LONG).show(); Log.e(TAG, e.toString()); } break; default: break; } } }