Android--記住密碼

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package blk4.por;import android.app.Activity;import android.content.Context;import android.content.Intent;import android.content.SharedPreferences;import android.content.SharedPreferences.Editor;import android.os.Bundle;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.CheckBox;import android.widget.EditText;import android.widget.Toast;public class Blk4Activity extends Activity implements OnClickListener{    /** Called when the activity is first created. */    private EditText uname = null;    private EditText upswd = null;    private CheckBox auto = null;    private Button login = null;    SharedPreferences sp = null;    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.login);        sp = this.getSharedPreferences("userinfo", Context.MODE_PRIVATE);        init();    }    public void init()    {        uname = (EditText) findViewById(R.id.uname);        upswd = (EditText) findViewById(R.id.upswd);        auto = (CheckBox) findViewById(R.id.auto);        login = (Button) findViewById(R.id.login);        if (sp.getBoolean("auto", false))              {                  uname.setText(sp.getString("uname", null));                  upswd.setText(sp.getString("upswd", null));                   auto.setChecked(true);                             }        login.setOnClickListener(this);    }    @Override    public void onClick(View v) {                if (v == login){            String name = uname.getText().toString();             String pswd = upswd.getText().toString();             if(name.trim().equals("")){                Toast.makeText(this, "請您輸入使用者名稱！", Toast.LENGTH_SHORT).show();                return;            }            if(pswd.trim().equals("")){                Toast.makeText(this, "請您輸入密碼！", Toast.LENGTH_SHORT).show();                return;            }            boolean autoLogin = auto.isChecked();            if (autoLogin)            {                    Editor editor = sp.edit();                    editor.putString("uname", name);                    editor.putString("upswd", pswd);                    editor.putBoolean("auto", true);                    editor.commit();            }            else            {                  Editor editor = sp.edit();                editor.putString("uname", null);                editor.putString("upswd", null);                editor.putBoolean("auto", false);                editor.commit();}                    }}        // TODO Auto-generated method stub}

 

Android--記住密碼