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  • SharedPreference Demo

     1 <?xml version="1.0" encoding="utf-8"?>
    2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    3 android:layout_width="fill_parent"
    4 android:layout_height="fill_parent"
    5 android:orientation="vertical" >
    6 <EditText
    7 android:id="@+id/edit"
    8 android:layout_width="fill_parent"
    9 android:layout_height="wrap_content"
    10 android:layout_margin="15dip"
    11 />
    12 <Button
    13 android:layout_width="wrap_content"
    14 android:layout_height="wrap_content"
    15 android:text="保存短信"
    16 android:layout_gravity="right"
    17 android:layout_margin="15dip"
    18 />
    19 </LinearLayout>
     1 package com.turboradio.activity;
    2
    3 import android.app.Activity;
    4 import android.content.SharedPreferences;
    5 import android.os.Bundle;
    6 import android.widget.EditText;
    7
    8 public class SaveDataActivity extends Activity {
    9 private EditText editText;
    10 private static final String TEMP_SMS = "temp_sms";
    11 /** Called when the activity is first created. */
    12 @Override
    13 public void onCreate(Bundle savedInstanceState) {
    14 super.onCreate(savedInstanceState);
    15 setContentView(R.layout.sharepreference_1);
    16 editText = (EditText)findViewById(R.id.edit);
    17 SharedPreferences sharedPreferences = getSharedPreferences(TEMP_SMS,MODE_WORLD_WRITEABLE);
    18 String content = sharedPreferences.getString("sms_content", "");
    19 editText.setText(content);
    20 }
    21 @Override
    22 protected void onStop() {
    23 super.onStop();
    24 SharedPreferences.Editor editor = getSharedPreferences(TEMP_SMS,MODE_WORLD_WRITEABLE).edit();
    25 // 将EditText中的文字添加到编辑器
    26 editor.putString("sms_content", editText.getText().toString());
    27 editor.commit();
    28 }
    29
    30 }



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  • 原文地址:https://www.cnblogs.com/jiayonghua/p/2287291.html
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