1 package com.svox.langpack.installer; 2 3 import java.io.File; 4 import java.io.FileOutputStream; 5 import java.io.IOException; 6 import java.io.InputStream; 7 import java.util.zip.ZipEntry; 8 import java.util.zip.ZipInputStream; 9 10 import android.app.Activity; 11 import android.content.Intent; 12 import android.content.res.AssetFileDescriptor; 13 import android.content.res.Resources; 14 import android.net.Uri; 15 import android.os.Bundle; 16 import android.speech.tts.TextToSpeech; 17 import android.util.Log; 18 import android.view.View; 19 import android.view.View.OnClickListener; 20 import android.widget.Button; 21 22 public class InstallerActivity extends Activity { 23 private static final int DATA_ROOT_DIRECTORY_REQUEST_CODE = 42; 24 private String rootDirectory = ""; 25 private InstallerActivity self; 26 private static boolean sInstallationSuccess = false; 27 private static boolean sIsInstalling = false; 28 private final static Object sInstallerStateLock = new Object(); 29 30 /** Called when the activity is first created. */ 31 @Override onCreate(Bundle savedInstanceState)32 public void onCreate(Bundle savedInstanceState) { 33 super.onCreate(savedInstanceState); 34 self = this; 35 Intent getRootDirectoryIntent = new Intent(); 36 getRootDirectoryIntent.setClassName("com.svox.pico", "com.svox.pico.CheckVoiceData"); 37 startActivityForResult(getRootDirectoryIntent, DATA_ROOT_DIRECTORY_REQUEST_CODE); 38 } 39 40 @Override onActivityResult(int requestCode, int resultCode, Intent data)41 public void onActivityResult(int requestCode, int resultCode, Intent data){ 42 super.onActivityResult(requestCode, resultCode, data); 43 if (requestCode == DATA_ROOT_DIRECTORY_REQUEST_CODE) { 44 rootDirectory = data.getStringExtra(TextToSpeech.Engine.EXTRA_VOICE_DATA_ROOT_DIRECTORY); 45 // only run the installer if there isn't another one running 46 synchronized (sInstallerStateLock) { 47 if (!sIsInstalling && !sInstallationSuccess) { 48 sIsInstalling = true; 49 runInstaller(); 50 } 51 } 52 } 53 } 54 runInstaller()55 private void runInstaller(){ 56 try { 57 Resources res = getResources(); 58 AssetFileDescriptor langPackFd = res 59 .openRawResourceFd(R.raw.svoxlangpack); 60 InputStream stream = langPackFd.createInputStream(); 61 62 (new Thread(new unzipper(stream))).start(); 63 } catch (IOException e) { 64 Log.e("PicoLangInstaller", "Unable to open langpack resource."); 65 e.printStackTrace(); 66 } 67 setContentView(R.layout.installing); 68 } 69 70 unzipLangPack(InputStream stream)71 private boolean unzipLangPack(InputStream stream) { 72 FileOutputStream out; 73 byte buf[] = new byte[16384]; 74 try { 75 ZipInputStream zis = new ZipInputStream(stream); 76 ZipEntry entry = zis.getNextEntry(); 77 while (entry != null) { 78 if (entry.isDirectory()) { 79 File newDir = new File(rootDirectory + entry.getName()); 80 newDir.mkdir(); 81 } else { 82 String name = entry.getName(); 83 File outputFile = new File(rootDirectory + name); 84 String outputPath = outputFile.getCanonicalPath(); 85 name = outputPath 86 .substring(outputPath.lastIndexOf("/") + 1); 87 outputPath = outputPath.substring(0, outputPath 88 .lastIndexOf("/")); 89 File outputDir = new File(outputPath); 90 outputDir.mkdirs(); 91 outputFile = new File(outputPath, name); 92 outputFile.createNewFile(); 93 out = new FileOutputStream(outputFile); 94 95 int numread = 0; 96 do { 97 numread = zis.read(buf); 98 if (numread <= 0) { 99 break; 100 } else { 101 out.write(buf, 0, numread); 102 } 103 } while (true); 104 out.close(); 105 } 106 entry = zis.getNextEntry(); 107 } 108 return true; 109 } catch (IOException e) { 110 e.printStackTrace(); 111 return false; 112 } 113 } 114 115 private class unzipper implements Runnable { 116 public InputStream stream; 117 unzipper(InputStream is)118 public unzipper(InputStream is) { 119 stream = is; 120 } 121 run()122 public void run() { 123 boolean result = unzipLangPack(stream); 124 synchronized (sInstallerStateLock) { 125 sInstallationSuccess = result; 126 sIsInstalling = false; 127 } 128 if (sInstallationSuccess) { 129 // installation completed: signal success (extra set to SUCCESS) 130 Intent installCompleteIntent = 131 new Intent(TextToSpeech.Engine.ACTION_TTS_DATA_INSTALLED); 132 installCompleteIntent.putExtra(TextToSpeech.Engine.EXTRA_TTS_DATA_INSTALLED, 133 TextToSpeech.SUCCESS); 134 self.sendBroadcast(installCompleteIntent); 135 } else { 136 // installation failed 137 // signal install error if the activity is finishing (can't ask the user to retry) 138 if (self.isFinishing()) { 139 Intent installCompleteIntent = 140 new Intent(TextToSpeech.Engine.ACTION_TTS_DATA_INSTALLED); 141 installCompleteIntent.putExtra(TextToSpeech.Engine.EXTRA_TTS_DATA_INSTALLED, 142 TextToSpeech.ERROR); 143 self.sendBroadcast(installCompleteIntent); 144 } else { 145 // the activity is still running, ask the user to retry. 146 runOnUiThread(new retryDisplayer()); 147 } 148 } 149 } 150 } 151 152 153 public class retryDisplayer implements Runnable { run()154 public void run() { 155 setContentView(R.layout.retry); 156 Button retryButton = (Button) findViewById(R.id.retryButton); 157 retryButton.setOnClickListener(new OnClickListener() { 158 public void onClick(View arg0) { 159 // only run the installer if there isn't another one running 160 // (we only get here if the installer couldn't complete successfully before) 161 synchronized (sInstallerStateLock) { 162 if (!sIsInstalling) { 163 sIsInstalling = true; 164 runInstaller(); 165 } 166 } 167 } 168 }); 169 } 170 } 171 172 } 173