Add API demo of a heavy-weight application.

Change-Id: I15e2d1c766af8aa7a62beed3069b8d128338ca11

build/sdk.atree

@@ -91,6 +91,7 @@ development/samples/LunarLander              samples/${PLATFORM_NAME}/LunarLande
 development/samples/NotePad                  samples/${PLATFORM_NAME}/NotePad
 development/samples/ApiDemos                 samples/${PLATFORM_NAME}/ApiDemos
 development/samples/BackupRestore            samples/${PLATFORM_NAME}/BackupRestore
+development/samples/NotePad                  samples/${PLATFORM_NAME}/HeavyWeight
 development/samples/SampleSyncAdapter        samples/${PLATFORM_NAME}/SampleSyncAdapter
 development/samples/SkeletonApp              samples/${PLATFORM_NAME}/SkeletonApp
 development/samples/Snake                    samples/${PLATFORM_NAME}/Snake

samples/HeavyWeight/Android.mk

@@ -0,0 +1,16 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := samples
+
+# Only compile source java files in this apk.
+LOCAL_SRC_FILES := $(call all-java-files-under, src)
+
+LOCAL_PACKAGE_NAME := HeavyWeight
+
+LOCAL_SDK_VERSION := current
+
+include $(BUILD_PACKAGE)
+
+# Use the following include to make our test apk.
+include $(call all-makefiles-under,$(LOCAL_PATH))

samples/HeavyWeight/AndroidManifest.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+
+<!-- Declare the contents of this Android application.  The namespace
+     attribute brings in the Android platform namespace, and the package
+     supplies a unique name for the application.  When writing your
+     own application, the package name must be changed from "com.example.*"
+     to come from a domain that you own or have control over. -->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.android.heavyweight">
+    <application android:label="Heavy Weight" android:heavyWeight="true">
+        <activity android:name="HeavyWeight">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>

samples/HeavyWeight/res/layout/heavy_weight.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical" android:padding="4dip"
+    android:gravity="center_horizontal"
+    android:layout_width="match_parent" android:layout_height="match_parent">
+
+    <TextView
+        android:layout_width="match_parent" android:layout_height="wrap_content"
+        android:layout_weight="0"
+        android:paddingBottom="4dp"
+        android:text="@string/content_text"/>
+
+    <Button android:id="@+id/stop"
+        android:layout_width="wrap_content" android:layout_height="wrap_content" 
+        android:text="@string/stop">
+        <requestFocus />
+    </Button>
+
+</LinearLayout>

samples/HeavyWeight/res/values/strings.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+
+<resources>
+
+    <string name="content_text">A heavy-weight application will not be killed until explicitly stopped.</string>
+    <string name="stop">Stop</string>
+
+</resources>

samples/HeavyWeight/src/com/example/android/heavyweight/HeavyWeight.java

@@ -0,0 +1,45 @@
+/*
+ * 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.heavyweight;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+
+/**
+ * Basic "heavy-weight" application, which will not be killed by Android
+ * while it is in the background.
+ */
+public class HeavyWeight extends Activity {
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.heavy_weight);
+        
+        Button button = (Button)findViewById(R.id.stop);
+        button.setOnClickListener(mStopListener);
+    }
+    
+    private OnClickListener mStopListener = new OnClickListener() {
+        public void onClick(View v) {
+            finish();
+        }
+    };
+}
+

samples/HelloActivity/src/com/example/android/helloactivity/HelloActivity.java

@@ -24,9 +24,6 @@ import android.os.Bundle;
  * A minimal "Hello, World!" application.
  */
 public class HelloActivity extends Activity {
-    public HelloActivity() {
-    }
-
     /**
      * Called with the activity is first created.
      */