Android的SharedPreferences存储

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我是 用于保存用户名


//////////登录private SharedPreferences share;// 信息存储类private SharedPreferences.Editor edit;// 创建userinfo文件share = LoginActivity.this.getSharedPreferences("userinfo",Context.MODE_PRIVATE);login = (Button) findViewById(R.id.login);username = (EditText) findViewById(R.id.username);password = (EditText) findViewById(R.id.password);login.setOnClickListener(new View.OnClickListener() {public void onClick(View v) {// TODO Auto-generated method stub// rs=new ArrayList<Map<String,Object>>();/* * 登录成功后 将用户信息写入到sharedpreferences文件userinfo中 */edit = share.edit();sedit.commit();/* * 跳转到主页面 */Toast.makeText(LoginActivity.this, "登录成功", 3000).show();}});
 @Overridepublic boolean onCreateOptionsMenu(Menu menu) {// TODO Auto-generated method stubsuper.onCreateOptionsMenu(menu);menu.add(0, ITEM0, 0, "注销登录");return true;}@Overridepublic boolean onOptionsItemSelected(MenuItem item) {// TODO Auto-generated method stubswitch (item.getItemId()) {case ITEM0:Toast.makeText(this, "执行注销!", 1000).show();startActivity(new Intent(this, LoginActivity.class));editor = share.edit();editor.clear();editor.commit();finish();break;}return super.onOptionsItemSelected(item);}



	
				
		
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