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Rename the "Media Scanner" DevTool to "Media Provider", and add

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functionality to insert random filler data in to the database.

Change-Id: I632c7c8fea8aceca7b71dab88f3b01ed7ae49a92
This commit is contained in:
Marco Nelissen
2010-04-05 14:59:45 -07:00
parent c125ef209b
commit 3021e718e2
4 changed files with 246 additions and 25 deletions
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2
apps/Development/AndroidManifest.xml
View File

@@ -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" />

49
apps/Development/res/layout/media_scanner_activity.xml
View File

@@ -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>

5
apps/Development/res/values/strings.xml
View File

@@ -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>

215
apps/Development/src/com/android/development/MediaScannerActivity.java
View File

@@ -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;
}
}