UserSettingsActivity

最新推荐文章于 2022-08-17 17:05:24 发布

vinegarstar

最新推荐文章于 2022-08-17 17:05:24 发布

阅读量170

点赞数

CC 4.0 BY-SA版权

文章标签： linq webview tv

本文链接：https://blog.youkuaiyun.com/qq_57395890/article/details/125055500

此篇博客介绍了UserSettingsActivity类，详细讲解了如何处理夜间模式切换、SharedPreferences的使用、状态栏设置及监听，以及如何通过广播和Activity重启实现用户设置的实时更新。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

public class UserSettingsActivity extends BaseActivity{
    private Switch nightMode;
    private SharedPreferences sharedPreferences;
    private static boolean night_change;

    @Override
    protected void onCreate(Bundle savedInstenseState) {
        super.onCreate(savedInstenseState);
        setContentView(R.layout.preference_layout);
        sharedPreferences= PreferenceManager.getDefaultSharedPreferences(getBaseContext());
        Intent intent=getIntent();
        if(intent.getExtras() != null) night_change = intent.getBooleanExtra("night_change", false);
        else night_change = false;
        initView();
        //设置状态栏
        Toolbar myToolbar = (Toolbar) findViewById(R.id.my_toolbar);
        setSupportActionBar(myToolbar);
        getSupportActionBar().setHomeButtonEnabled(true);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        //状态栏点击事件
        myToolbar.setNavigationOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent=new Intent();
                intent.setAction("NIGHT_SWITCH");
                sendBroadcast(intent);
                finish();
            }
        });

    }
    public void initView(){
        nightMode=findViewById(R.id.nightMode);
        nightMode.setChecked(sharedPreferences.getBoolean("nightMode",false));
        nightMode.setOnCheckedChangeListener((buttonView, isChecked) -> {
            setNightModePref(isChecked);
            setSelfNightMode();
        });
    }
    private void setNightModePref(boolean night){
        sharedPreferences=PreferenceManager.getDefaultSharedPreferences(getBaseContext());
        SharedPreferences.Editor editor=sharedPreferences.edit();
        editor.putBoolean("nightMode",night);
        editor.commit();
    }
    private void setSelfNightMode(){
        //重新赋值并重启本Activity
        super.setNightMode();
        Intent intent = new Intent(this, UserSettingsActivity.class);
        intent.putExtra("night_change", !night_change); //重启一次，正负颠倒。最终为正值时重启MainActivity。

        startActivity(new Intent(this, UserSettingsActivity.class));
        finish();
    }

    @Override
    public void needRefresh() {
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode==KeyEvent.KEYCODE_BACK&&event.getAction()==KeyEvent.ACTION_DOWN){
            Intent intent=new Intent();
            intent.setAction("NIGHT_SWITCH");
            sendBroadcast(intent);
            finish();
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }
}