/*gaoheng*/ package net.micode.notes.ui; import android.app.Activity; import android.content.Intent; import android.content.SharedPreferences; import android.os.Bundle; import android.view.View; import android.view.WindowManager; import android.widget.Button; import android.widget.EditText;import android.widget.Toast; import net.micode.notes.R; public class ChangingPassword extends Activity { EditText OldPassword; EditText NewPassword; EditText AckPassword; Button Acknowledged; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_change_password); getWindow().setSoftInputMode( WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE | WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE); OldPassword=(EditText) findViewById(R.id.old_password); NewPassword=(EditText) findViewById(R.id.new_password); AckPassword=(EditText) findViewById(R.id.ack_password); Acknowledged=(Button)findViewById(R.id.Acknowledged); Acknowledged.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String old_password = OldPassword.getText().toString(); String new_password = NewPassword.getText().toString(); String ack_password = AckPassword.getText().toString(); SharedPreferences pref=getSharedPreferences("user management",MODE_PRIVATE); String login_password=pref.getString("password",""); boolean User_boolean = pref.getBoolean("user",false);//获取用户是否设置了密码 if(!User_boolean) //User_boolean = false 时, ( 没有设置密码) , 直接跳转到便签主界面 { Toast.makeText(ChangingPassword.this, "已经设置过密码", Toast.LENGTH_SHORT).show(); } if(old_password.equals("")==true || new_password.equals("")==true || ack_password.equals("")==true) { Toast.makeText(ChangingPassword.this, "密码不能为空", Toast.LENGTH_SHORT).show(); }else if (new_password.equals(ack_password) == false) { Toast.makeText(ChangingPassword.this, "新建密码与重复密码不匹配, 请重新输入密码", Toast.LENGTH_SHORT).show(); AckPassword.setText(""); }else if(old_password.equals(login_password) == false){ Toast.makeText(ChangingPassword.this, "原有密码错误, 请重新输入 密码", Toast.LENGTH_SHORT).show(); OldPassword.setText(""); }else if (new_password.equals(ack_password) == true && old_password.equals(login_password) == true){ SharedPreferences.Editor editor=getSharedPreferences("user management", MODE_PRIVATE).edit(); editor.putString("password",new_password); editor.apply(); Toast.makeText(ChangingPassword.this, "修改密码成功", Toast.LENGTH_SHORT).show(); Intent intent=new Intent(ChangingPassword.this,NotesListActivity.class); startActivity(intent); finish(); } } }); } @ Override public void onBackPressed() { Intent intent=new Intent(ChangingPassword.this,NotesListActivity.class); startActivity(intent); finish(); } }