Rename the "Media Scanner" DevTool to "Media Provider", and add
functionality to insert random filler data in to the database. Change-Id: I632c7c8fea8aceca7b71dab88f3b01ed7ae49a92
This commit is contained in:
Marco Nelissen
@@ -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;
|
||||
}
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user