adding set wallpaper sample code in ApiDemos.
diff --git a/samples/ApiDemos/AndroidManifest.xml b/samples/ApiDemos/AndroidManifest.xml
index 3d09be1..01361dd 100644
--- a/samples/ApiDemos/AndroidManifest.xml
+++ b/samples/ApiDemos/AndroidManifest.xml
@@ -27,6 +27,7 @@
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.INTERNET" />
+ <uses-permission android:name="android.permission.SET_WALLPAPER" />
<!-- We will request access to the camera, saying we require a camera
of some sort but not one with autofocus capability. -->
@@ -187,6 +188,14 @@
<activity android:name=".app.ReorderThree" />
<activity android:name=".app.ReorderFour" />
+ <activity android:name=".app.SetWallpaperActivity"
+ android:label="@string/activity_setwallpaper">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="android.intent.category.SAMPLE_CODE" />
+ </intent-filter>
+ </activity>
+
<!-- Intent Samples -->
<activity android:name=".app.Intents" android:label="@string/activity_intents">
diff --git a/samples/ApiDemos/res/layout/wallpaper_2.xml b/samples/ApiDemos/res/layout/wallpaper_2.xml
new file mode 100644
index 0000000..1b5a6d2
--- /dev/null
+++ b/samples/ApiDemos/res/layout/wallpaper_2.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout
+ xmlns:android="http://schemas.android.com/apk/res/android"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content">
+ <ImageView
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:id="@+id/imageview" />
+ <LinearLayout
+ android:orientation="horizontal"
+ android:layout_width="wrap_content"
+ android:layout_height="fill_parent">
+ <Button
+ android:id="@+id/randomize"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:text="Randomize"
+ android:layout_gravity="bottom" />
+ <Button
+ android:id="@+id/setwallpaper"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:text="Set Wallpaper"
+ android:layout_gravity="bottom" />
+ </LinearLayout>
+</FrameLayout>
diff --git a/samples/ApiDemos/res/values/strings.xml b/samples/ApiDemos/res/values/strings.xml
index 2857d13..be7c8f1 100644
--- a/samples/ApiDemos/res/values/strings.xml
+++ b/samples/ApiDemos/res/values/strings.xml
@@ -39,6 +39,7 @@
customized dialog, here with an ugly frame.</string>
<string name="activity_wallpaper">App/Activity/Wallpaper</string>
+ <string name="activity_setwallpaper">App/Activity/SetWallpaper</string>
<string name="activity_translucent">App/Activity/Translucent</string>
<string name="translucent_background">Example of how you can make an
diff --git a/samples/ApiDemos/src/com/example/android/apis/app/SetWallpaperActivity.java b/samples/ApiDemos/src/com/example/android/apis/app/SetWallpaperActivity.java
new file mode 100644
index 0000000..3875626
--- /dev/null
+++ b/samples/ApiDemos/src/com/example/android/apis/app/SetWallpaperActivity.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2009 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;
+
+// Need the following import to get access to the app resources, since this
+// class is in a sub-package.
+import com.example.android.apis.R;
+
+import java.io.IOException;
+
+import android.app.Activity;
+import android.app.WallpaperManager;
+import android.graphics.Color;
+import android.graphics.PorterDuff;
+import android.graphics.drawable.BitmapDrawable;
+import android.os.Bundle;
+import android.view.View;
+import android.view.WindowManager;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+import android.widget.ImageView;
+
+/**
+ * <h3>SetWallpaper Activity</h3>
+ *
+ * <p>This demonstrates the how to write an activity that gets the current system wallpaper,
+ * modifies it and sets the modified bitmap as system wallpaper.</p>
+ */
+public class SetWallpaperActivity extends Activity {
+ /**
+ * Initialization of the Activity after it is first created. Must at least
+ * call {@link android.app.Activity#setContentView setContentView()} to
+ * describe what is to be displayed in the screen.
+ */
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ // Be sure to call the super class.
+ super.onCreate(savedInstanceState);
+ // See assets/res/layout/wallpaper2.xml for this
+ // view layout definition, which is being set here as
+ // the content of our screen.
+ setContentView(R.layout.wallpaper_2);
+ final WallpaperManager mWallpaperManager = WallpaperManager.getInstance(this);
+ final BitmapDrawable mWallpaperDrawable = (BitmapDrawable) mWallpaperManager.getDrawable();
+ final ImageView imageView = (ImageView) findViewById(R.id.imageview);
+ imageView.setDrawingCacheEnabled(true);
+ imageView.setImageDrawable(mWallpaperDrawable);
+
+ Button randomize = (Button) findViewById(R.id.randomize);
+ randomize.setOnClickListener(new OnClickListener() {
+ @Override
+ public void onClick(View view) {
+ int mColor = (int) Math.floor(Math.random() * mColors.length);
+ mWallpaperDrawable.setColorFilter(mColors[mColor], PorterDuff.Mode.MULTIPLY);
+ imageView.setImageDrawable(mWallpaperDrawable);
+ imageView.invalidate();
+ }
+ });
+
+ Button setWallpaper = (Button) findViewById(R.id.setwallpaper);
+ setWallpaper.setOnClickListener(new OnClickListener() {
+ @Override
+ public void onClick(View view) {
+ try {
+ mWallpaperManager.setBitmap(imageView.getDrawingCache());
+ finish();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ });
+ }
+
+ final private int[] mColors =
+ {Color.BLUE, Color.GREEN, Color.RED, Color.LTGRAY, Color.MAGENTA, Color.CYAN,
+ Color.YELLOW, Color.WHITE};
+}
+