本文介绍了SharedPreferences - OnSharedPreferenceChangeListener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
我用谷歌搜索了这个并找到了一些答案,因为我是初学者,所以我觉得很困惑.我正在尝试将 OnSharedPreferenceChangeListener()
实现到我的 SharedPreferences
以通过更改发生一些事情.
I googled this and found a few answers which I find confusing since I am a beginner. I am trying to implement the OnSharedPreferenceChangeListener()
to my SharedPreferences
to make something happen with the change.
到目前为止我的代码是:
My code so far is:
final SharedPreferences rates_storage = this.getApplicationContext().getSharedPreferences("uk.chiraggalaiya.test", 0);
final SharedPreferences.Editor rates_storage_editor = rates_storage.edit();
Button btn = (Button) findViewById(R.id.button);
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
rates_storage_editor.putString("something", "something");
rates_storage_editor.apply();
}
});
但是现在我不确定如何实现 OnChangeListener()
.
However now I am not sure how to implement the OnChangeListener()
.
推荐答案
您可以使用以下代码片段为 SharedPreference 注册您的 ChangListener:
You can use following code snippet to register your ChangListener for the SharedPreference:
SharedPreferences.OnSharedPreferenceChangeListener prefListener =
new SharedPreferences.OnSharedPreferenceChangeListener() {
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
String key) {
....
}
};
rates_storage.registerOnSharedPreferenceChangeListener(prefListener);
这篇关于SharedPreferences - OnSharedPreferenceChangeListener的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!