/* * Copyright (C) 2010 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.example.android.apis.app; import com.example.android.apis.R; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class ActivityRecreate extends Activity { int mCurTheme; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (savedInstanceState != null) { mCurTheme = savedInstanceState.getInt("theme"); // Switch to a new theme different from last theme. switch (mCurTheme) { case android.R.style.Theme_Holo_Light: mCurTheme = android.R.style.Theme_Holo_Dialog; break; case android.R.style.Theme_Holo_Dialog: mCurTheme = android.R.style.Theme_Holo; break; default: mCurTheme = android.R.style.Theme_Holo_Light; break; } setTheme(mCurTheme); } setContentView(R.layout.activity_recreate); // Watch for button clicks. Button button = (Button)findViewById(R.id.recreate); button.setOnClickListener(mRecreateListener); } @Override protected void onSaveInstanceState(Bundle savedInstanceState) { super.onSaveInstanceState(savedInstanceState); savedInstanceState.putInt("theme", mCurTheme); } private OnClickListener mRecreateListener = new OnClickListener() { public void onClick(View v) { recreate(); } }; }