From 3021e718e2cea50b88f3121a5b3a39c2fd32cc03 Mon Sep 17 00:00:00 2001
From: Marco Nelissen <marcone@google.com>
Date: Mon, 5 Apr 2010 14:59:45 -0700
Subject: [PATCH] Rename the "Media Scanner" DevTool to "Media Provider", and
 add functionality to insert random filler data in to the database.

Change-Id: I632c7c8fea8aceca7b71dab88f3b01ed7ae49a92
---
 apps/Development/AndroidManifest.xml          |   2 +-
 .../res/layout/media_scanner_activity.xml     |  49 +++-
 apps/Development/res/values/strings.xml       |   5 +
 .../development/MediaScannerActivity.java     | 215 ++++++++++++++++--
 4 files changed, 246 insertions(+), 25 deletions(-)

diff --git a/apps/Development/AndroidManifest.xml b/apps/Development/AndroidManifest.xml
index c4774c27a..389ac194c 100644
--- a/apps/Development/AndroidManifest.xml
+++ b/apps/Development/AndroidManifest.xml
@@ -117,7 +117,7 @@
             </intent-filter>
         </activity>
 
-        <activity android:name="MediaScannerActivity" android:label="Media Scanner">
+        <activity android:name="MediaScannerActivity" android:label="Media Provider">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.TEST" />
diff --git a/apps/Development/res/layout/media_scanner_activity.xml b/apps/Development/res/layout/media_scanner_activity.xml
index 974f68378..480684355 100644
--- a/apps/Development/res/layout/media_scanner_activity.xml
+++ b/apps/Development/res/layout/media_scanner_activity.xml
@@ -4,9 +4,9 @@
      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.
@@ -14,12 +14,45 @@
      limitations under the License.
 -->
 
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 	 	
-	android:layout_width="match_parent" 
-	android:layout_height="match_parent"
-	android:orientation="horizontal">
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
 
-    <TextView android:id="@+id/title" android:textSize="16sp" android:textStyle="bold"
-        android:layout_width="match_parent" android:layout_height="wrap_content" />
+    <TextView
+        android:id="@+id/title"
+        android:textSize="16sp"
+        android:textStyle="bold"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
+    <Button
+        android:layout_width="160dip"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:text="@string/scancard"
+        android:onClick="startScan" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="horizontal"
+        android:layout_marginTop="30dip">
+
+        <EditText
+            android:id="@+id/numsongs"
+            android:layout_width="150dip"
+            android:layout_height="wrap_content"
+            android:hint="@string/numsongs"
+            android:numeric="integer"
+        />
+
+        <Button
+            android:id="@+id/insertbutton"
+            android:layout_width="150dip"
+            android:layout_height="wrap_content"
+            android:onClick="insertItems" />
+
+    </LinearLayout>
 
 </LinearLayout>
diff --git a/apps/Development/res/values/strings.xml b/apps/Development/res/values/strings.xml
index 1bb65cfde..ec590a8dc 100644
--- a/apps/Development/res/values/strings.xml
+++ b/apps/Development/res/values/strings.xml
@@ -208,4 +208,9 @@
     <string name="bad_behavior_anr_service_label">ANR starting a Service</string>
     <string name="bad_behavior_anr_system_label">System ANR (in ActivityManager)</string>
     <string name="bad_behavior_wedge_system_label">Wedge system (5 minute system ANR)</string>
+
+    <!-- MediaScannerActivity -->
+    <string name="scancard">Scan SD card</string>
+    <string name="numsongs"># of albums</string>
+    <string name="insertbutton">Insert %1s albums</string>
 </resources>
diff --git a/apps/Development/src/com/android/development/MediaScannerActivity.java b/apps/Development/src/com/android/development/MediaScannerActivity.java
index f78910ac4..04f641422 100644
--- a/apps/Development/src/com/android/development/MediaScannerActivity.java
+++ b/apps/Development/src/com/android/development/MediaScannerActivity.java
@@ -17,56 +17,239 @@
 package com.android.development;
 
 import android.app.Activity;
+import android.content.ContentResolver;
+import android.content.ContentValues;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.BroadcastReceiver;
+import android.database.sqlite.SQLiteConstraintException;
 import android.net.Uri;
+import android.os.Bundle;
 import android.os.Environment;
+import android.os.Handler;
+import android.os.Message;
+import android.provider.MediaStore;
+import android.provider.MediaStore.Audio;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
 import android.widget.TextView;
 
+import java.util.Random;
+
 public class MediaScannerActivity extends Activity
 {
+    private TextView mTitle;
+    private int mNumToInsert = 20;
+    private int mArtists;
+    private int mAlbums;
+    private int mSongs;
+    private ContentResolver mResolver;
+    private Uri mAudioUri;
+    ContentValues mValues[] = new ContentValues[10];
+    Random mRandom = new Random();
+    StringBuilder mBuilder = new StringBuilder();
+
     public MediaScannerActivity() {
     }
- 
+
     /** Called when the activity is first created or resumed. */
     @Override
-    public void onResume() {
-        super.onResume();
-        
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+
         setContentView(R.layout.media_scanner_activity);
-        
+
         IntentFilter intentFilter = new IntentFilter(Intent.ACTION_MEDIA_SCANNER_STARTED);
         intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);
         intentFilter.addDataScheme("file");
         registerReceiver(mReceiver, intentFilter);
-        
-        sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://"
-                + Environment.getExternalStorageDirectory())));
-            
+
+        EditText t = (EditText) findViewById(R.id.numsongs);
+        t.addTextChangedListener(new TextWatcher() {
+
+            public void afterTextChanged(Editable s) {
+                String text = s.toString();
+                try {
+                    mNumToInsert = Integer.valueOf(text);
+                } catch (NumberFormatException ex) {
+                    mNumToInsert = 20;
+                }
+                setInsertButtonText();
+            }
+
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+            }
+
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+            }
+
+        });
         mTitle = (TextView) findViewById(R.id.title);
-        mTitle.setText("Sent ACTION_MEDIA_MOUNTED to trigger the Media Scanner.");
+        mResolver = getContentResolver();
+        mAudioUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
+
+        for (int i = 0; i < 10; i++) {
+            mValues[i] = new ContentValues();
+        }
+        setInsertButtonText();
     }
 
     /** Called when the activity going into the background or being destroyed. */
     @Override
-    public void onPause() {
-        super.onPause();
+    public void onDestroy() {
         unregisterReceiver(mReceiver);
+        mInsertHandler.removeMessages(0);
+        super.onDestroy();
     }
-    
+
     private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
         @Override
         public void onReceive(Context context, Intent intent) {
             if (intent.getAction().equals(Intent.ACTION_MEDIA_SCANNER_STARTED)) {
-                mTitle.setText("Media Scanner started scanning " + intent.getData().getPath());     
+                mTitle.setText("Media Scanner started scanning " + intent.getData().getPath());
             }
             else if (intent.getAction().equals(Intent.ACTION_MEDIA_SCANNER_FINISHED)) {
-                mTitle.setText("Media Scanner finished scanning " + intent.getData().getPath());     
+                mTitle.setText("Media Scanner finished scanning " + intent.getData().getPath());
             }
         }
     };
 
-    private TextView mTitle;
+    public void startScan(View v) {
+        sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://"
+                + Environment.getExternalStorageDirectory())));
+
+        mTitle.setText("Sent ACTION_MEDIA_MOUNTED to trigger the Media Scanner.");
+    }
+
+    private void setInsertButtonText() {
+        String label = getString(R.string.insertbutton, Integer.valueOf(mNumToInsert));
+        Button b = (Button) findViewById(R.id.insertbutton);
+        b.setText(label);
+    }
+
+
+    public void insertItems(View v) {
+        if (mInsertHandler.hasMessages(0)) {
+            mInsertHandler.removeMessages(0);
+            setInsertButtonText();
+        } else {
+            mInsertHandler.sendEmptyMessage(0);
+        }
+    }
+
+    Handler mInsertHandler = new Handler() {
+        @Override
+        public void handleMessage(Message msg) {
+
+            if (mNumToInsert-- > 0) {
+                addAlbum();
+                runOnUiThread(mDisplayUpdater);
+
+                if (!isFinishing()) {
+                    sendEmptyMessage(0);
+                }
+            }
+        }
+    };
+
+    Runnable mDisplayUpdater = new Runnable() {
+        public void run() {
+            mTitle.setText("Added " + mArtists + " artists, " + mAlbums + " albums, "
+                    + mSongs + " songs.");
+        }
+    };
+
+    // Add one more album (with 10 songs) to the database. This will be a compilation album,
+    // with one album artist for the album, and a separate artist for each song.
+    private void addAlbum() {
+        try {
+            String albumArtist = "Various Artists";
+            String albumName = getRandomWord(3);
+            int baseYear = 1969 + mRandom.nextInt(30);
+            for (int i = 0; i < 10; i++) {
+                mValues[i].clear();
+                String artist = getRandomName();
+                final ContentValues map = mValues[i];
+                map.put(MediaStore.MediaColumns.DATA,
+                        "http://bogus/" + albumName + "/" + artist + "_" + i);
+                map.put(MediaStore.MediaColumns.TITLE,
+                        getRandomWord(4) + " " + getRandomWord(2) + " " + (i + 1));
+                map.put(MediaStore.MediaColumns.MIME_TYPE, "audio/mp3");
+
+                map.put(Audio.Media.ARTIST, artist);
+                map.put("album_artist", albumArtist);
+                map.put(Audio.Media.ALBUM, albumName);
+                map.put(Audio.Media.TRACK, i + 1);
+                map.put(Audio.Media.DURATION, 4*60*1000);
+                map.put(Audio.Media.IS_MUSIC, 1);
+                map.put(Audio.Media.YEAR, baseYear + mRandom.nextInt(10));
+            }
+            mResolver.bulkInsert(mAudioUri, mValues);
+            mSongs += 10;
+            mAlbums++;
+            mArtists += 11;
+        } catch (SQLiteConstraintException ex) {
+            Log.d("@@@@", "insert failed", ex);
+        }
+    }
+
+    /**
+     * Some code to generate random names. This just strings together random
+     * syllables, and randomly inserts a modifier between the first
+     * and last name.
+     */
+    private String[] elements = new String[] {
+            "ab", "am",
+            "bra", "bri",
+            "ci", "co",
+            "de", "di", "do",
+            "fa", "fi",
+            "ki",
+            "la", "li",
+            "ma", "me", "mi", "mo",
+            "na", "ni",
+            "pa",
+            "ta", "ti",
+            "vi", "vo"
+    };
+
+    private String getRandomWord(int len) {
+        int max = elements.length;
+        mBuilder.setLength(0);
+        for (int i = 0; i < len; i++) {
+            mBuilder.append(elements[mRandom.nextInt(max)]);
+        }
+        char c = mBuilder.charAt(0);
+        c = Character.toUpperCase(c);
+        mBuilder.setCharAt(0, c);
+        return mBuilder.toString();
+    }
+
+    private String getRandomName() {
+        boolean longfirst = mRandom.nextInt(5) < 3;
+        String first = getRandomWord(longfirst ? 3 : 2);
+        String last = getRandomWord(3);
+        switch (mRandom.nextInt(6)) {
+            case 1:
+                if (!last.startsWith("Di")) {
+                    last = "di " + last;
+                }
+                break;
+            case 2:
+                last = "van " + last;
+                break;
+            case 3:
+                last = "de " + last;
+                break;
+        }
+        return first + " " + last;
+    }
+
+
+
 }