使用 android 中保存的首选项保存多个复选框？

Question

我有一个带有 7 个复选框、1 个文本字段和一个保存按钮的应用程序.....我希望用户能够 select 任意数量的复选框并输入文本字段并单击保存.....然后当他们再次打开应用程序时，应该选中正确的复选框，并且他们键入的文本应该在文本框中....

我几乎让它工作了，但它似乎一次只保存一个复选框或根本 none 我似乎无法弄清楚我做错了什么......我已经阅读了所有线程和帖子，但似乎无法正确处理....

任何帮助将不胜感激

这是我的代码

package com.rapeventplannerchecklist.app.rapeventplannerchecklist;

import android.app.Activity;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;

public class MainActivity extends Activity implements OnClickListener {

CheckBox checkBox;
CheckBox checkBox2;
CheckBox checkBox3;
CheckBox checkBox4;
CheckBox checkBox5;
CheckBox checkBox6;
CheckBox checkBox7;
EditText editText;
Button button;

@Override
protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    checkBox = (CheckBox) findViewById(R.id.checkBox1);
    checkBox2 = (CheckBox) findViewById(R.id.checkBox2);
    checkBox3 = (CheckBox) findViewById(R.id.checkBox3);
    checkBox4 = (CheckBox) findViewById(R.id.checkBox4);
    checkBox5 = (CheckBox) findViewById(R.id.checkBox5);
    checkBox6 = (CheckBox) findViewById(R.id.checkBox6);
    checkBox7 = (CheckBox) findViewById(R.id.checkBox7);
    editText = (EditText) findViewById(R.id.editText1);
    button = (Button) findViewById(R.id.button1);
    button.setOnClickListener(this);
    loadSavedPreferences();
}

private void loadSavedPreferences() {
    SharedPreferences sharedPreferences = PreferenceManager
            .getDefaultSharedPreferences(this);
    boolean checkBoxValue = sharedPreferences.getBoolean("CheckBox_Value", false);
    String name = sharedPreferences.getString("storedName", "YourName");
    if (checkBoxValue) {
        checkBox.setChecked(true);
    } else {
        checkBox.setChecked(false);
    }

    boolean checkBox2Value = sharedPreferences.getBoolean("CheckBox_Value2", false);
    if (checkBox2Value) {
        checkBox2.setChecked(true);
    } else {
        checkBox2.setChecked(false);
    }

    boolean checkBox3Value = sharedPreferences.getBoolean("CheckBox_Value3", false);
    if (checkBox3Value) {
        checkBox3.setChecked(true);
    } else {
        checkBox3.setChecked(false);
    }

    boolean checkBox4Value = sharedPreferences.getBoolean("CheckBox_Value4", false);
    if (checkBox4Value) {
        checkBox4.setChecked(true);
    } else {
        checkBox4.setChecked(false);
    }

    boolean checkBox5Value = sharedPreferences.getBoolean("CheckBox_Value5", false);
    if (checkBox5Value) {
        checkBox5.setChecked(true);
    } else {
        checkBox5.setChecked(false);
    }

    boolean checkBox6Value = sharedPreferences.getBoolean("CheckBox_Value6", false);
    if (checkBox6Value) {
        checkBox6.setChecked(true);
    } else {
        checkBox6.setChecked(false);
    }

    boolean checkBox7Value = sharedPreferences.getBoolean("CheckBox_Value7", false);
    if (checkBox7Value) {
        checkBox7.setChecked(true);
    } else {
        checkBox7.setChecked(false);
    }



    editText.setText(name);
}

private void savePreferences(String key, boolean value) {
    SharedPreferences sharedPreferences = PreferenceManager
            .getDefaultSharedPreferences(this);
    Editor editor = sharedPreferences.edit();
    editor.putBoolean(key, value);
    editor.commit();
}

private void savePreferences(String key, String value) {
    SharedPreferences sharedPreferences = PreferenceManager
            .getDefaultSharedPreferences(this);
    Editor editor = sharedPreferences.edit();
    editor.putString(key, value);
    editor.commit();
}

@Override
public void onClick(View v) {
    // TODO Auto-generated method stub
    savePreferences("CheckBox_Value", checkBox.isChecked());
    if (checkBox.isChecked())
        savePreferences("CheckBox_Value2", checkBox2.isChecked());
    if (checkBox2.isChecked())
        savePreferences("CheckBox_Value3", checkBox3.isChecked());
    if (checkBox3.isChecked())
        savePreferences("CheckBox_Value4", checkBox4.isChecked());
    if (checkBox4.isChecked())
        savePreferences("CheckBox_Value5", checkBox5.isChecked());
    if (checkBox5.isChecked())
        savePreferences("CheckBox_Value6", checkBox6.isChecked());
    if (checkBox6.isChecked())
        savePreferences("CheckBox_Value7", checkBox7.isChecked());
    if (checkBox7.isChecked())
        savePreferences("storedName", editText.getText().toString());

    finish();
}
}

任何帮助将不胜感激！！！

Answer 1

保存状态时删除您的 if 语句，否则它只会保存选中的复选框，我们不希望这样。

// Remove
if (checkBox2.isChecked())
    // Without if statement this will save true if checkbox is checked
    // false if it is not
    savePreferences("CheckBox_Value2", checkBox2.isChecked());

你也可以简化

boolean checkBox7Value = sharedPreferences.getBoolean("CheckBox_Value7", false);
checkBox7.setChecked(checkBox7Value);

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