【SharedPreferences存储】SharedPreferences存储方式

来源：互联网发布：matlab优化工具箱教程编辑：程序博客网时间：2024/05/17 17:16

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();    }}