android 简单的存储方式SharedPreferences

布局文件：main.xml

<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" > <!-- 姓名标签 --> <TextView android:id="@+id/nameText" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:layout_marginTop="10px" android:textStyle="bold" android:text="@string/name" /> <!-- 姓名输入框 --> <EditText android:id="@+id/nameEdit" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_toRightOf="@id/nameText" android:layout_alignTop="@id/nameText" /> <!-- 电话 --> <TextView android:id="@+id/telText" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@id/nameEdit" android:layout_alignParentLeft="true" android:textStyle="bold" android:text="@string/tel" /> <!-- 电话输入框 --> <EditText android:id="@+id/telEdit" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_toRightOf="@id/telText" android:layout_alignTop="@id/telText" /> <!-- 反馈内容 --> <TextView android:id="@+id/contentText" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@id/telEdit" android:layout_alignParentLeft="true" android:textStyle="bold" android:text="@string/content" /> <!-- 反馈输入框 --> <EditText android:id="@+id/contentEdit" android:layout_width="fill_parent" android:layout_height="120px" android:layout_toRightOf="@id/contentText" android:layout_alignTop="@id/contentText" /> </RelativeLayout>

MainActivity:

import android.app.Activity; import android.content.SharedPreferences; import android.os.Bundle; import android.widget.EditText; import android.widget.TextView; public class MainActivity extends Activity { private EditText nameEdit; private EditText telEdit; private EditText contentEdit; private final String PREFERENCES_NAME="feedback"; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); nameEdit=(EditText)findViewById(R.id.nameEdit); telEdit=(EditText)findViewById(R.id.telEdit); contentEdit=(EditText)findViewById(R.id.contentEdit); SharedPreferences mySharedPreferences=getSharedPreferences(PREFERENCES_NAME,MODE_PRIVATE); nameEdit.setText(mySharedPreferences.getString("name","")); telEdit.setText(mySharedPreferences.getString("tel","")); } @Override public void onStop(){ SharedPreferences mySharedPreferences=getSharedPreferences(PREFERENCES_NAME,MODE_PRIVATE); SharedPreferences.Editor editor=mySharedPreferences.edit(); editor.putString("name",nameEdit.getText().toString()); editor.putString("tel",telEdit.getText().toString()); editor.commit(); super.onStop(); } }

工程下载：http://good.gd/1036229.htm