API demo for new Activity.recreate() API.

Change-Id: I56bd36edf2cd5cd9b6f95dd4a2b82571689c04d2
2010-12-01 16:08:52 -08:00
parent e7d43098ab
commit 4799e5583e
4 changed files with 123 additions and 0 deletions
--- a/samples/ApiDemos/src/com/example/android/apis/app/ActivityRecreate.java
+++ b/samples/ApiDemos/src/com/example/android/apis/app/ActivityRecreate.java
@@ -0,0 +1,73 @@
+/*
+ * 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 com.example.android.apis.app.LocalServiceActivities.Controller;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+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();
+        }
+    };
+}