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- package com.example.androidam.preferencelesson;
- import android.content.Intent;
- import android.content.SharedPreferences;
- import android.preference.PreferenceManager;
- import android.support.v7.app.AppCompatActivity;
- import android.os.Bundle;
- import android.support.v7.widget.RecyclerView;
- import android.view.View;
- import android.widget.TextView;
- import android.widget.Toast;
- public class MainActivity extends AppCompatActivity {
- SharedPreferences pref;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- pref = PreferenceManager.getDefaultSharedPreferences(this);
- String msg = "";
- msg += "UserName: " + pref.getString("aditText_name", "guest");
- msg += "PassWord: " + pref.getString("aditText_password", "123abc");
- msg += "Age: " + pref.getString("aditText_age", "20");
- Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();
- }
- public void btClick(View v) {
- Intent i = new Intent(this, MyConfigActivity2.class);
- startActivity(i);
- }
- public void btShow(View v) {
- String msg = "";
- msg += "UserName: " + pref.getString("aditText_name", "guest");
- msg += "PassWord: " + pref.getString("aditText_password", "123abc");
- msg += "Age: " + pref.getString("aditText_age", "20");
- ((TextView)findViewById(R.id.textView)).setText(msg);
- }
- }
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