如何保存单选按钮状态 [英] how to save radio button state
本文介绍了如何保存单选按钮状态的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
在android应用程序上工作，在其中我打开自己的自定义对话框，并且当我选择单选按钮时我使用单选按钮无疑会选择并工作，但是当我再次打开对话框时，所有单选按钮都取消了我想保存状态上一个按钮
am working on android application in which i open own custom dialog box and i use radio button in when i select radio button no doubt it selected and work but when i again open dialog box all radio button deselected i want to save the state of previous button
enter code here
private void DiscountDialog() {
final Dialog dialog = new Dialog(MainActivity.this);
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
dialog.setContentView(R.layout.burstinterval);
dialog.setTitle("Timer");
dialog.getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT));
final RadioButton no = (RadioButton) dialog.findViewById(R.id.no);
final RadioButton first = (RadioButton) dialog.findViewById(R.id.first);
final RadioButton second = (RadioButton) dialog.findViewById(R.id.second);
final RadioButton third = (RadioButton) dialog.findViewById(R.id.third);
dialog.findViewById(R.id.no).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
timer.setImageResource(R.drawable.t1);
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(MainActivity.this);
SharedPreferences.Editor edit = sharedPreferences.edit();
edit.putBoolean("no", no.isChecked());
edit.putString("my_preference_timer", "no_timer");
edit.commit();
dialog.dismiss();
}
});
dialog.findViewById(R.id.first).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
timer.setImageResource(R.drawable.t2);
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(MainActivity.this);
SharedPreferences.Editor edit = sharedPreferences.edit();
edit.putBoolean("first", first.isChecked());
edit.putString("my_preference_timer", "2");
edit.commit();
dialog.dismiss();
}
});
dialog.findViewById(R.id.second).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
timer.setImageResource(R.drawable.t5);
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(MainActivity.this);
SharedPreferences.Editor edit = sharedPreferences.edit();
edit.putBoolean("second", second.isChecked());
edit.putString("my_preference_timer", "5");
edit.commit();
dialog.dismiss();
}
});
dialog.findViewById(R.id.third).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
timer.setImageResource(R.drawable.t10);
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(MainActivity.this);
SharedPreferences.Editor edit = sharedPreferences.edit();
edit.putBoolean("third", third.isChecked());
edit.putString("my_preference_timer", "10");
edit.commit();
dialog.dismiss();
}
});
dialog.show();
}
添加答案后
enter code here
private void DiscountDialog() {
final Dialog dialog = new Dialog(MainActivity.this);
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
dialog.setContentView(R.layout.burstinterval);
dialog.setTitle("Timer");
dialog.getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT));
final RadioButton no = (RadioButton) dialog.findViewById(R.id.no);
final RadioButton first = (RadioButton) dialog.findViewById(R.id.first);
final RadioButton second = (RadioButton) dialog.findViewById(R.id.second);
// third.setChecked(sharedPreferences.getBoolean("third", false));
final RadioButton third = (RadioButton) dialog.findViewById(R.id.third);
dialog.findViewById(R.id.no).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
timer.setImageResource(R.drawable.t1);
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(MainActivity.this);
SharedPreferences.Editor edit = sharedPreferences.edit();
edit.putBoolean("no", no.isChecked());
edit.putString("my_preference_timer", "no_timer");
edit.commit();
dialog.dismiss();
}
});
dialog.findViewById(R.id.first).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
timer.setImageResource(R.drawable.t2);
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(MainActivity.this);
SharedPreferences.Editor edit = sharedPreferences.edit();
edit.putBoolean("first", first.isChecked());
edit.putString("my_preference_timer", "2");
edit.commit();
dialog.dismiss();
}
});
dialog.findViewById(R.id.second).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
timer.setImageResource(R.drawable.t5);
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(MainActivity.this);
SharedPreferences.Editor edit = sharedPreferences.edit();
edit.putBoolean("second", second.isChecked());
edit.putString("my_preference_timer", "5");
edit.commit();
dialog.dismiss();
}
});
dialog.findViewById(R.id.third).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
timer.setImageResource(R.drawable.t10);
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(MainActivity.this);
SharedPreferences.Editor edit = sharedPreferences.edit();
edit.putBoolean("third", third.isChecked());
edit.putString("my_preference_timer", "10");
edit.commit();
dialog.dismiss();
}
});
dialog.show();
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(MainActivity.this);
no.setChecked(sharedPreferences.getBoolean("no", false));
first.setChecked(sharedPreferences.getBoolean("first", false));
second.setChecked(sharedPreferences.getBoolean("second", false));
third.setChecked(sharedPreferences.getBoolean("third", false));
}
推荐答案
添加此
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(MainActivity.this);
no.setChecked(sharedPreferences.getBoolean("no", false));
first.setChecked(sharedPreferences.getBoolean("first", false));
second.setChecked(sharedPreferences.getBoolean("second", false));
third.setChecked(sharedPreferences.getBoolean("third", false));
之后
dialog.show();
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