Go语言视频零基础入门到精通

java开源

public class Main extends PreferenceActivity
{

private EditTextPreference delayReading;

@Override

public void onCreate(Bundle savedInstanceState)

{

super.onCreate(savedInstanceState);

addPreferencesFromResource(R.xml.preferences);

Preference editWhitelist = findPreference(getString(R.string.editWhitelist));

editWhitelist.setOnPreferenceClickListener(editWhitelistHandler);

SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this);

delayReading = (EditTextPreference) findPreference(getString(R.string.delayReadingTime));

delayReading.setOnPreferenceChangeListener(delayReadingHandler);

updateDelaySummary(settings.getString(getString(R.string.delayReadingTime), "0"));

// Check to see if the TTS is installed.

if (false == TTS.isInstalled(this))

{

new TTSVersionAlert(this, getString(R.string.notts), null, null).show();

}}

// On click handler for editing the whitelist.

OnPreferenceClickListener editWhitelistHandler = new OnPreferenceClickListener()

{

public boolean onPreferenceClick(Preference preference)

{

startActivity(new Intent(Main.this, Whitelist.class));

return true;

}

};

// On Preference change listener to update the delay summary.

OnPreferenceChangeListener delayReadingHandler = new OnPreferenceChangeListener()

{

public boolean onPreferenceChange(Preference preference, Object newValue)

{

updateDelaySummary((String) newValue);

return true;

}};
// Helper function to update the delay summary.

private void updateDelaySummary(String value)

{

String template = getString(R.string.delay_readout_summary);

Integer intValue = Integer.parseInt(value);

String plural = "s";

if (intValue == 1)

{

plural = "";

}

String result = String.format(template, intValue, plural);

delayReading.setSummary(result);

}
}

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