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91 lines
3.6 KiB
91 lines
3.6 KiB
package net.micode.notes.ui;
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import android.app.Activity;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.os.Bundle;
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import android.view.View;
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import android.view.WindowManager;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.Toast;
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import net.micode.notes.R;
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public class DeletingPassword extends Activity {
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// 声明EditText
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EditText Dt_password;
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//声明Button
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Button Acknowledged;
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// 在Activity创建时执行
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_delete_password);
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//监听create活动
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//设置软键盘的显示方式
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getWindow().setSoftInputMode(
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WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
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| WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
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// 初始化EditText
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Dt_password=(EditText) findViewById(R.id.thepassword);
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// 初始化Button
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Acknowledged=(Button)findViewById(R.id.Dt_Acknowledged);
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// 设置Button的点击事件
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Acknowledged.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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// 获取输入框中的密码
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String text02 = Dt_password.getText().toString();
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// 如果密码为空，则显示提示信息
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if(text02.equals("")==true)
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Toast.makeText(DeletingPassword.this, "密码不能为空",
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Toast.LENGTH_SHORT).show();
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// 从SharedPreferences中获取保存的密码
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SharedPreferences pref=getSharedPreferences("user management",MODE_PRIVATE);
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String password = pref.getString("password","");
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// 如果保存的密码不为空且与输入的密码相等，则删除登录密码
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if(password.equals("")==false&&password.equals(text02)==true){
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// 获取SharedPreferences的编辑器
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SharedPreferences.Editor editor=getSharedPreferences("user management",
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MODE_PRIVATE).edit();
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// 设置"user"键为false表示已设置登录密码
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editor.putBoolean("user",false);
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// 清空密码
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editor.putString("password","");
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// 应用编辑器的修改
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editor.apply();
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// 显示提示信息
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Toast.makeText(DeletingPassword.this, "已经删除登录密码",
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Toast.LENGTH_SHORT).show();
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// 跳转到NotesListActivity
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Intent intent=new Intent(DeletingPassword.this,NotesListActivity.class);
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startActivity(intent);
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finish(); // 结束当前Activity
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} else {
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// 显示密码错误的提示信息
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Toast.makeText(DeletingPassword.this, "密码错误",
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Toast.LENGTH_SHORT).show();
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// 清空密码输入框
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Dt_password.setText("");
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}
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}
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});
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}
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// 返回键的处理
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@Override
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public void onBackPressed() {
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// 跳转到NotesListActivity
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Intent intent=new Intent(DeletingPassword.this,NotesListActivity.class);
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//开始该activity
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startActivity(intent);
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// 结束当前Activity
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finish();
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}
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} |