android Preference的Demo

package com.android.ui; import android.app.Activity; import android.com.ui.R; import android.content.Intent; import android.os.Bundle; import android.preference.PreferenceManager; import android.view.View; import android.view.View.OnClickListener; import android.widget.TextView; public class MainActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); findViewById(R.id.button).setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { startActivity(new Intent(MainActivity.this, SettingActivity.class)); } }); refresh(); } @Override public void onResume() { super.onResume(); refresh(); } /** * 显示当前设置 */ private void refresh() { boolean booleanValue = PreferenceManager.getDefaultSharedPreferences( this).getBoolean("boolean_value", false); String stringValue = PreferenceManager.getDefaultSharedPreferences(this) .getString("string_value", ""); ((TextView) findViewById(R.id.booleantextView)).setText(String .valueOf(booleanValue)); ((TextView) findViewById(R.id.textTextView)).setText(stringValue); } }