Speedup initial android startup on some devices by factor 10 or more
This commit is contained in:
sapier
parent
aaec558f85
commit
35149a10e3
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@ -629,6 +629,7 @@ assets : $(ASSETS_TIMESTAMP)
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find . -name "timestamp" -exec rm {} \; ; \
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find . -name "*.blend" -exec rm {} \; ; \
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ls -R | grep ":$$" | sed -e 's/:$$//' -e 's/\.//' -e 's/^\///' > "index.txt"; \
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find Minetest >"filelist.txt"; \
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cp ${ROOT}/${ASSETS_TIMESTAMP} ${ROOT}/${ASSETS_TIMESTAMP}.old; \
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else \
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echo "nothing to be done for assets"; \
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@ -8,6 +8,7 @@ import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.util.Vector;
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import java.util.Iterator;
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import android.app.Activity;
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import android.content.res.AssetFileDescriptor;
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@ -20,10 +21,11 @@ import android.view.Display;
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import android.widget.ProgressBar;
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import android.widget.TextView;
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public class MinetestAssetCopy extends Activity {
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public class MinetestAssetCopy extends Activity
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{
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@Override
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public void onCreate(Bundle savedInstanceState) {
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public void onCreate(Bundle savedInstanceState)
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{
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super.onCreate(savedInstanceState);
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setContentView(R.layout.assetcopy);
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@ -35,118 +37,78 @@ public class MinetestAssetCopy extends Activity {
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m_ProgressBar.getLayoutParams().width = (int) (display.getWidth() * 0.8);
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m_ProgressBar.invalidate();
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/* check if there's already a copy in progress and reuse in case it is*/
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MinetestAssetCopy prevActivity =
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(MinetestAssetCopy) getLastNonConfigurationInstance();
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if(prevActivity!= null) {
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m_AssetCopy = prevActivity.m_AssetCopy;
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}
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else {
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m_AssetCopy = new copyAssetTask();
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m_AssetCopy.execute();
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}
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}
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/* preserve asset copy background task to prevent restart of copying */
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/* this way of doing it is not recommended for latest android version */
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/* but the recommended way isn't available on android 2.x */
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public Object onRetainNonConfigurationInstance()
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{
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return this;
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}
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ProgressBar m_ProgressBar;
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TextView m_Filename;
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copyAssetTask m_AssetCopy;
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private class copyAssetTask extends AsyncTask<String, Integer, String>{
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private void copyElement(String name, String path) {
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String baseDir = Environment.getExternalStorageDirectory().getAbsolutePath();
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String full_path;
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if (path != "") {
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full_path = path + "/" + name;
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}
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else {
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full_path = name;
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}
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//is a folder read asset list
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if (m_foldernames.contains(full_path)) {
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m_Foldername = full_path;
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publishProgress(0);
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File current_folder = new File(baseDir + "/" + full_path);
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if (!current_folder.exists()) {
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if (!current_folder.mkdirs()) {
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Log.w("MinetestAssetCopy","\t failed create folder: " + baseDir + "/" + full_path);
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}
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else {
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Log.w("MinetestAssetCopy","\t created folder: " + baseDir + "/" + full_path);
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}
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}
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try {
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String[] current_assets = getAssets().list(full_path);
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for(int i=0; i < current_assets.length; i++) {
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copyElement(current_assets[i],full_path);
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}
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} catch (IOException e) {
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Log.w("MinetestAssetCopy","\t failed to read contents of folder");
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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//is a file just copy
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else {
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boolean refresh = true;
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File testme = new File(baseDir + "/" + full_path);
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long asset_filesize = -1;
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long stored_filesize = -1;
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if (testme.exists()) {
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try {
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AssetFileDescriptor fd = getAssets().openFd(full_path);
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asset_filesize = fd.getLength();
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fd.close();
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} catch (IOException e) {
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refresh = true;
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m_asset_size_unknown.add(full_path);
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}
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stored_filesize = testme.length();
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if (asset_filesize == stored_filesize) {
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refresh = false;
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}
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}
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if (refresh) {
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m_tocopy.add(full_path);
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}
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}
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}
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private long getFullSize(String filename) {
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private class copyAssetTask extends AsyncTask<String, Integer, String>
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{
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private long getFullSize(String filename)
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{
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long size = 0;
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try {
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InputStream src = getAssets().open(filename);
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byte[] buf = new byte[1024];
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byte[] buf = new byte[4096];
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int len = 0;
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while ((len = src.read(buf)) > 0) {
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while ((len = src.read(buf)) > 0)
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{
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size += len;
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}
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}
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catch (IOException e) {
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catch (IOException e)
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{
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e.printStackTrace();
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}
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return size;
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}
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@Override
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protected String doInBackground(String... files) {
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protected String doInBackground(String... files)
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{
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m_foldernames = new Vector<String>();
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m_filenames = new Vector<String>();
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m_tocopy = new Vector<String>();
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m_asset_size_unknown = new Vector<String>();
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String baseDir = Environment.getExternalStorageDirectory().getAbsolutePath() + "/";
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String baseDir =
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Environment.getExternalStorageDirectory().getAbsolutePath()
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+ "/";
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// prepare temp folder
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File TempFolder = new File(baseDir + "Minetest/tmp/");
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if (!TempFolder.exists()) {
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if (!TempFolder.exists())
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{
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TempFolder.mkdir();
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}
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else {
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File[] todel = TempFolder.listFiles();
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for(int i=0; i < todel.length; i++) {
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Log.w("MinetestAssetCopy","deleting: " + todel[i].getAbsolutePath());
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for(int i=0; i < todel.length; i++)
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{
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Log.v("MinetestAssetCopy","deleting: " + todel[i].getAbsolutePath());
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todel[i].delete();
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}
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}
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@ -156,52 +118,49 @@ public class MinetestAssetCopy extends Activity {
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OutputStream dst = new FileOutputStream(baseDir + "Minetest/.nomedia");
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dst.close();
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} catch (IOException e) {
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Log.w("MinetestAssetCopy","Failed to create .nomedia file");
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Log.e("MinetestAssetCopy","Failed to create .nomedia file");
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e.printStackTrace();
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}
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try {
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InputStream is = getAssets().open("index.txt");
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BufferedReader reader = new BufferedReader(new InputStreamReader(is));
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String line = reader.readLine();
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while(line != null){
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m_foldernames.add(line);
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line = reader.readLine();
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}
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} catch (IOException e1) {
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// TODO Auto-generated catch block
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e1.printStackTrace();
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}
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// build lists from prepared data
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BuildFolderList();
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BuildFileList();
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copyElement("Minetest","");
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// scan filelist
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ProcessFileList();
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// doing work
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m_copy_started = true;
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m_ProgressBar.setMax(m_tocopy.size());
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for (int i = 0; i < m_tocopy.size(); i++) {
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try {
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for (int i = 0; i < m_tocopy.size(); i++)
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{
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try
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{
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String filename = m_tocopy.get(i);
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publishProgress(i);
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boolean asset_size_unknown = false;
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long filesize = -1;
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if (m_asset_size_unknown.contains(filename)) {
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if (m_asset_size_unknown.contains(filename))
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{
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File testme = new File(baseDir + "/" + filename);
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if(testme.exists()) {
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if(testme.exists())
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{
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filesize = testme.length();
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}
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asset_size_unknown = true;
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}
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InputStream src;
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try {
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try
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{
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src = getAssets().open(filename);
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} catch (IOException e) {
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Log.w("MinetestAssetCopy","Copying file: " + filename + " FAILED (not in assets)");
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// TODO Auto-generated catch block
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Log.e("MinetestAssetCopy","Copying file: " + filename + " FAILED (not in assets)");
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e.printStackTrace();
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continue;
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}
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@ -211,32 +170,38 @@ public class MinetestAssetCopy extends Activity {
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int len = src.read(buf, 0, 1024);
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/* following handling is crazy but we need to deal with */
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/* compressed assets.Flash chips limited livetime sue to */
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/* compressed assets.Flash chips limited livetime due to */
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/* write operations, we can't allow large files to destroy */
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/* users flash. */
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if (asset_size_unknown) {
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if ( (len > 0) && (len < buf.length) && (len == filesize)) {
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if (asset_size_unknown)
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{
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if ( (len > 0) && (len < buf.length) && (len == filesize))
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{
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src.close();
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continue;
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}
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if (len == buf.length) {
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if (len == buf.length)
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{
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src.close();
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long size = getFullSize(filename);
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if ( size == filesize) {
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if ( size == filesize)
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{
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continue;
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}
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src = getAssets().open(filename);
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len = src.read(buf, 0, 1024);
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}
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}
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if (len > 0) {
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if (len > 0)
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{
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int total_filesize = 0;
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OutputStream dst;
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try {
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try
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{
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dst = new FileOutputStream(baseDir + "/" + filename);
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} catch (IOException e) {
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Log.w("MinetestAssetCopy","Copying file: " + baseDir +
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Log.e("MinetestAssetCopy","Copying file: " + baseDir +
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"/" + filename + " FAILED (couldn't open output file)");
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e.printStackTrace();
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src.close();
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@ -245,43 +210,196 @@ public class MinetestAssetCopy extends Activity {
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dst.write(buf, 0, len);
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total_filesize += len;
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while ((len = src.read(buf)) > 0) {
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while ((len = src.read(buf)) > 0)
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{
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dst.write(buf, 0, len);
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total_filesize += len;
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}
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dst.close();
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Log.w("MinetestAssetCopy","Copied file: " + m_tocopy.get(i) + " (" + total_filesize + " bytes)");
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Log.v("MinetestAssetCopy","Copied file: " +
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m_tocopy.get(i) + " (" + total_filesize +
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" bytes)");
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}
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else if (len < 0) {
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Log.w("MinetestAssetCopy","Copying file: " + m_tocopy.get(i) + " failed, size < 0");
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else if (len < 0)
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{
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Log.e("MinetestAssetCopy","Copying file: " +
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m_tocopy.get(i) + " failed, size < 0");
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}
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src.close();
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} catch (IOException e) {
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Log.w("MinetestAssetCopy","Copying file: " + m_tocopy.get(i) + " failed");
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}
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catch (IOException e)
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{
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Log.e("MinetestAssetCopy","Copying file: " +
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m_tocopy.get(i) + " failed");
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e.printStackTrace();
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}
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}
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return "";
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}
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protected void onProgressUpdate(Integer... progress) {
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if (m_copy_started) {
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/**
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* update progress bar
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*/
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protected void onProgressUpdate(Integer... progress)
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{
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if (m_copy_started)
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{
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m_ProgressBar.setProgress(progress[0]);
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m_Filename.setText(m_tocopy.get(progress[0]));
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}
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else {
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else
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{
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m_Filename.setText("scanning " + m_Foldername + " ...");
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}
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}
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protected void onPostExecute (String result) {
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/**
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* check al files and folders in filelist
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*/
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protected void ProcessFileList()
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{
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String FlashBaseDir =
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Environment.getExternalStorageDirectory().getAbsolutePath();
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Iterator itr = m_filenames.iterator();
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while (itr.hasNext())
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{
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String current_path = (String) itr.next();
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String FlashPath = FlashBaseDir + "/" + current_path;
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if (isAssetFolder(current_path))
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{
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/* store information and update gui */
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m_Foldername = current_path;
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publishProgress(0);
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/* open file in order to check if it's a folder */
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File current_folder = new File(FlashPath);
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if (!current_folder.exists())
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{
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if (!current_folder.mkdirs())
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{
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Log.e("MinetestAssetCopy","\t failed create folder: " +
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FlashPath);
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}
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else
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{
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Log.v("MinetestAssetCopy","\t created folder: " +
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FlashPath);
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}
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}
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continue;
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}
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/* if it's not a folder it's most likely a file */
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boolean refresh = true;
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File testme = new File(FlashPath);
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long asset_filesize = -1;
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long stored_filesize = -1;
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if (testme.exists())
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{
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try
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{
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AssetFileDescriptor fd = getAssets().openFd(current_path);
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asset_filesize = fd.getLength();
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fd.close();
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}
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catch (IOException e)
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{
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refresh = true;
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m_asset_size_unknown.add(current_path);
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Log.e("MinetestAssetCopy","Failed to open asset file \"" +
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FlashPath + "\" for size check");
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}
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stored_filesize = testme.length();
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if (asset_filesize == stored_filesize)
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{
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refresh = false;
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}
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}
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if (refresh)
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{
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m_tocopy.add(current_path);
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}
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}
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}
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/**
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* read list of folders prepared on package build
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*/
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protected void BuildFolderList()
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{
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try
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{
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InputStream is = getAssets().open("index.txt");
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BufferedReader reader = new BufferedReader(new InputStreamReader(is));
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String line = reader.readLine();
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while (line != null)
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{
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m_foldernames.add(line);
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line = reader.readLine();
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}
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is.close();
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} catch (IOException e1)
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{
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Log.e("MinetestAssetCopy","Error on processing index.txt");
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e1.printStackTrace();
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}
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}
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/**
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* read list of asset files prepared on package build
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*/
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protected void BuildFileList()
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{
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long entrycount = 0;
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try
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{
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InputStream is = getAssets().open("filelist.txt");
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BufferedReader reader = new BufferedReader(new InputStreamReader(is));
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String line = reader.readLine();
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while (line != null)
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{
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m_filenames.add(line);
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line = reader.readLine();
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entrycount ++;
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}
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is.close();
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}
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catch (IOException e1)
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{
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Log.e("MinetestAssetCopy","Error on processing filelist.txt");
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e1.printStackTrace();
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}
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}
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protected void onPostExecute (String result)
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{
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finish();
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}
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protected boolean isAssetFolder(String path)
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{
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return m_foldernames.contains(path);
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}
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boolean m_copy_started = false;
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String m_Foldername = "media";
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Vector<String> m_foldernames;
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Vector<String> m_filenames;
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Vector<String> m_tocopy;
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Vector<String> m_asset_size_unknown;
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}
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