使用共享首选项在android应用程序中存储pin
我尝试使用共享首选项存储pin,因为我有两个不同的活动,即EnterPin和ConfirmPin 对于EnterPin,我有 [开始代码]使用共享首选项在android应用程序中存储pin,android,arrays,string,sharedpreferences,Android,Arrays,String,Sharedpreferences,我尝试使用共享首选项存储pin,因为我有两个不同的活动,即EnterPin和ConfirmPin 对于EnterPin,我有 [开始代码] package com.example.textsmslock; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStreamWriter; import android.app.Activity; import android.conte
package com.example.textsmslock;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class EnterPin extends Activity {
public String[] pin = new String[4];
public Button[] buttons = new Button[10];
public int counter = 0;
public String FILENAME = "pin_file";
public static final String PinCode = "1234";
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_enter_pin);
//getActionBar().setDisplayHomeAsUpEnabled(true);
buttons[1] = (Button)findViewById(R.id.button1);
buttons[2] = (Button)findViewById(R.id.button2);
buttons[3] = (Button)findViewById(R.id.button3);
buttons[4] = (Button)findViewById(R.id.button4);
buttons[5] = (Button)findViewById(R.id.button5);
buttons[6] = (Button)findViewById(R.id.button6);
buttons[7] = (Button)findViewById(R.id.button7);
buttons[8] = (Button)findViewById(R.id.button8);
buttons[9] = (Button)findViewById(R.id.button9);
buttons[0] = (Button)findViewById(R.id.button0);
//Restore the preferences
SharedPreferences settings = getSharedPreferences(PinCode, 0);
}
public void button1(View view)
{
if(counter < 3)
{
pin[counter] = "1";
counter++;
}
else
{
PinEntered();
}
}
public void button2(View view)
{
if(counter < 3)
{
pin[counter] = "2";
counter++;
}
else
{
PinEntered();
}
}
public void button3(View view)
{
if(counter < 3)
{
pin[counter] = "3";
counter++;
}
else
{
PinEntered();
}
}
public void button4(View view)
{
if(counter < 3)
{
pin[counter] = "4";
counter++;
}
else
{
PinEntered();
}
}
public void button5(View view)
{
if(counter < 3)
{
pin[counter] = "5";
counter++;
}
else
{
PinEntered();
}
}
public void button6(View view)
{
if(counter < 3)
{
pin[counter] = "6";
counter++;
}
else
{
PinEntered();
}
}
public void button7(View view)
{
if(counter < 3)
{
pin[counter] = "7";
counter++;
}
else
{
PinEntered();
}
}
public void button8(View view)
{
if(counter < 3)
{
pin[counter] = "8";
counter++;
}
else
{
PinEntered();
}
}
public void button9(View view)
{
if(counter < 3)
{
pin[counter] = "9";
counter++;
}
else
{
PinEntered();
}
}
public void button0(View view)
{
if(counter < 3)
{
pin[counter] = "0";
counter++;
}
else
{
PinEntered();
}
}
public void PinEntered()
{
if(counter == 3)
{
putString(pin,0);
}
}
}
package com.example.textsmslock;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import android.os.Bundle;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.support.v4.app.NavUtils;
public class ConfirmPin extends EnterPin {
public String[] pinconfirm = new String[4];
public Button[] buttons = new Button[10];
public int counter = 0;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_confirm_pin);
//getActionBar().setDisplayHomeAsUpEnabled(true);
buttons[1] = (Button)findViewById(R.id.button1);
buttons[2] = (Button)findViewById(R.id.button2);
buttons[3] = (Button)findViewById(R.id.button3);
buttons[4] = (Button)findViewById(R.id.button4);
buttons[5] = (Button)findViewById(R.id.button5);
buttons[6] = (Button)findViewById(R.id.button6);
buttons[7] = (Button)findViewById(R.id.button7);
buttons[8] = (Button)findViewById(R.id.button8);
buttons[9] = (Button)findViewById(R.id.button9);
buttons[0] = (Button)findViewById(R.id.button0);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_confirm_pin, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
NavUtils.navigateUpFromSameTask(this);
return true;
}
return super.onOptionsItemSelected(item);
}
public void button1(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "1";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button2(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "2";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button3(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "3";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button4(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "4";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button5(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "5";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button6(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "6";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button7(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "7";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button8(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "8";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button9(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "9";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button0(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "0";
counter++;
}
else
{
ConfirmingPin();
}
}
public void ConfirmingPin()
{
SharedPreferences settings = getSharedPreferences(PinCode, 0);
SharedPreferences.Editor editor = settings.edit();
editor.putString(pinconfirm, 0);
editor.commit();
}
}
package com.example.textsmslock;
导入java.io.FileOutputStream;
导入java.io.IOException;
导入java.io.OutputStreamWriter;
导入android.app.Activity;
导入android.content.Context;
导入android.content.Intent;
导入android.content.SharedReferences;
导入android.os.Bundle;
导入android.support.v4.app.NavUtils;
导入android.view.Menu;
导入android.view.MenuItem;
导入android.view.view;
导入android.widget.Button;
导入android.widget.TextView;
公共类EnterPin扩展活动{
公共字符串[]pin=新字符串[4];
公共按钮[]按钮=新按钮[10];
公共整数计数器=0;
公共字符串FILENAME=“pin_文件”;
公共静态最终字符串PinCode=“1234”;
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity\u enter\u pin);
//getActionBar().setDisplayHomeAsUpEnabled(true);
按钮[1]=(按钮)findViewById(R.id.button1);
按钮[2]=(按钮)findViewById(R.id.button2);
按钮[3]=(按钮)findViewById(R.id.button3);
按钮[4]=(按钮)findViewById(R.id.button4);
按钮[5]=(按钮)findViewById(R.id.button5);
按钮[6]=(按钮)findViewById(R.id.button6);
按钮[7]=(按钮)findViewById(R.id.button7);
按钮[8]=(按钮)findViewById(R.id.button8);
按钮[9]=(按钮)findViewById(R.id.button9);
按钮[0]=(按钮)findViewById(R.id.button0);
//恢复首选项
SharedReferences设置=GetSharedReferences(PinCode,0);
}
公共无效按钮1(视图)
{
如果(计数器<3)
{
引脚[计数器]=“1”;
计数器++;
}
其他的
{
中心位置();
}
}
公共无效按钮2(视图)
{
如果(计数器<3)
{
引脚[计数器]=“2”;
计数器++;
}
其他的
{
中心位置();
}
}
公共作废按钮3(视图)
{
如果(计数器<3)
{
引脚[计数器]=“3”;
计数器++;
}
其他的
{
中心位置();
}
}
公共作废按钮4(视图)
{
如果(计数器<3)
{
引脚[计数器]=“4”;
计数器++;
}
其他的
{
中心位置();
}
}
公共作废按钮5(视图)
{
if(计数器<3)
{
引脚[计数器]=“5”;
计数器++;
}
其他的
{
中心位置();
}
}
公共作废按钮6(视图)
{
如果(计数器<3)
{
引脚[计数器]=“6”;
计数器++;
}
其他的
{
中心位置();
}
}
公共作废按钮7(视图)
{
如果(计数器<3)
{
引脚[计数器]=“7”;
计数器++;
}
其他的
{
中心位置();
}
}
公共作废按钮8(视图)
{
如果(计数器<3)
{
引脚[计数器]=“8”;
计数器++;
}
其他的
{
中心位置();
}
}
公共作废按钮9(视图)
{
如果(计数器<3)
{
引脚[计数器]=“9”;
计数器++;
}
其他的
{
中心位置();
}
}
公共无效按钮0(视图)
{
如果(计数器<3)
{
引脚[计数器]=“0”;
计数器++;
}
其他的
{
中心位置();
}
}
公共空间中心()
{
如果(计数器==3)
{
putString(pin,0);
}
}
}
[结束代码]
我要确认一下
[开始代码]
package com.example.textsmslock;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class EnterPin extends Activity {
public String[] pin = new String[4];
public Button[] buttons = new Button[10];
public int counter = 0;
public String FILENAME = "pin_file";
public static final String PinCode = "1234";
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_enter_pin);
//getActionBar().setDisplayHomeAsUpEnabled(true);
buttons[1] = (Button)findViewById(R.id.button1);
buttons[2] = (Button)findViewById(R.id.button2);
buttons[3] = (Button)findViewById(R.id.button3);
buttons[4] = (Button)findViewById(R.id.button4);
buttons[5] = (Button)findViewById(R.id.button5);
buttons[6] = (Button)findViewById(R.id.button6);
buttons[7] = (Button)findViewById(R.id.button7);
buttons[8] = (Button)findViewById(R.id.button8);
buttons[9] = (Button)findViewById(R.id.button9);
buttons[0] = (Button)findViewById(R.id.button0);
//Restore the preferences
SharedPreferences settings = getSharedPreferences(PinCode, 0);
}
public void button1(View view)
{
if(counter < 3)
{
pin[counter] = "1";
counter++;
}
else
{
PinEntered();
}
}
public void button2(View view)
{
if(counter < 3)
{
pin[counter] = "2";
counter++;
}
else
{
PinEntered();
}
}
public void button3(View view)
{
if(counter < 3)
{
pin[counter] = "3";
counter++;
}
else
{
PinEntered();
}
}
public void button4(View view)
{
if(counter < 3)
{
pin[counter] = "4";
counter++;
}
else
{
PinEntered();
}
}
public void button5(View view)
{
if(counter < 3)
{
pin[counter] = "5";
counter++;
}
else
{
PinEntered();
}
}
public void button6(View view)
{
if(counter < 3)
{
pin[counter] = "6";
counter++;
}
else
{
PinEntered();
}
}
public void button7(View view)
{
if(counter < 3)
{
pin[counter] = "7";
counter++;
}
else
{
PinEntered();
}
}
public void button8(View view)
{
if(counter < 3)
{
pin[counter] = "8";
counter++;
}
else
{
PinEntered();
}
}
public void button9(View view)
{
if(counter < 3)
{
pin[counter] = "9";
counter++;
}
else
{
PinEntered();
}
}
public void button0(View view)
{
if(counter < 3)
{
pin[counter] = "0";
counter++;
}
else
{
PinEntered();
}
}
public void PinEntered()
{
if(counter == 3)
{
putString(pin,0);
}
}
}
package com.example.textsmslock;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import android.os.Bundle;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.support.v4.app.NavUtils;
public class ConfirmPin extends EnterPin {
public String[] pinconfirm = new String[4];
public Button[] buttons = new Button[10];
public int counter = 0;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_confirm_pin);
//getActionBar().setDisplayHomeAsUpEnabled(true);
buttons[1] = (Button)findViewById(R.id.button1);
buttons[2] = (Button)findViewById(R.id.button2);
buttons[3] = (Button)findViewById(R.id.button3);
buttons[4] = (Button)findViewById(R.id.button4);
buttons[5] = (Button)findViewById(R.id.button5);
buttons[6] = (Button)findViewById(R.id.button6);
buttons[7] = (Button)findViewById(R.id.button7);
buttons[8] = (Button)findViewById(R.id.button8);
buttons[9] = (Button)findViewById(R.id.button9);
buttons[0] = (Button)findViewById(R.id.button0);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_confirm_pin, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
NavUtils.navigateUpFromSameTask(this);
return true;
}
return super.onOptionsItemSelected(item);
}
public void button1(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "1";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button2(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "2";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button3(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "3";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button4(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "4";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button5(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "5";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button6(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "6";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button7(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "7";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button8(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "8";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button9(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "9";
counter++;
}
else
{
ConfirmingPin();
}
}
public void button0(View view)
{
if(counter < 3)
{
pinconfirm[counter] = "0";
counter++;
}
else
{
ConfirmingPin();
}
}
public void ConfirmingPin()
{
SharedPreferences settings = getSharedPreferences(PinCode, 0);
SharedPreferences.Editor editor = settings.edit();
editor.putString(pinconfirm, 0);
editor.commit();
}
}
package com.example.textsmslock;
导入java.io.BufferedReader;
导入java.io.FileInputStream;
导入java.io.FileNotFoundException;
导入java.io.IOException;
导入java.io.InputStream;
导入java.io.InputStreamReader;
导入java.util.ArrayList;
导入java.util.List;
导入android.os.Bundle;
导入android.content.Context;
导入android.content.Intent;
导入android.content.SharedReferences;
导入android.view.Menu;
导入android.view.MenuItem;
导入android.view.view;
导入android.widget.Button;
导入android.widget.TextView;
导入android.support.v4.app.NavUtils;
公共类ConfirmPin扩展了EnterPin{
公共字符串[]pinconfirm=新字符串[4];
公共按钮[]按钮=新按钮[10];
公共整数计数器=0;
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity\u confirm\u pin);
//getActionBar().setDisplayHomeAsUpEnabled(true);
按钮[1]=(按钮)findViewById(R.id.button1);
按钮[2]=(按钮)findViewById(R.id.button2);
按钮[3]=(按钮)findViewById(R.id.button3);
按钮[4]=(按钮)findViewById(R.id.button4);
按钮[5]=(按钮)findViewById(R.id.button5);
按钮[6]=(按钮)findViewById(R.id.button6);
按钮[7]=(按钮)findViewById(R.id.button7);
按钮[8]=(按钮)findViewById(R.id.button8);
按钮[9]=(按钮)findViewById(R.id.button9);
按钮[0]=(按钮)findViewById(R.id.button0);
}
@凌驾
公共布尔onCreateOptions菜单(菜单){
getMenuInflater().充气(R.menu.activity\u confirm\u pin,menu);
返回true;
}
@凌驾
公共布尔值onOptionsItemSelected(菜单项项){
开关(item.getItemId()){
案例android.R.id.home:
NavUtils.navigateUpFromSameTask(本);
返回true;
}
返回super.onOptionsItemSelected(项目);
}
公共无效按钮1(视图)
{
如果(计数器<3)
{
pinconfirm[计数器]=“1”;
计数器++;
}
其他的
{
确认蛋白();
}
}
公共无效按钮2(视图)
{
如果(计数器<3)
{
pinconfirm[计数器]=“2”;
计数器++;
}
其他的
{
确认蛋白();
}
}
公共作废按钮3(视图)
{
如果(计数器<3)
{
pinconfirm[计数器]=“3”;
计数器++;
}
其他的
{
确认蛋白();
}
}
公共作废按钮4(视图)
{
如果(计数器<3)
{
pinconfirm[计数器]=“4”;
计数器++;
}
其他的
String[] pinconfirm= pinconfirms.split(",");