unity android obb

package com.mydemo.test; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.Set; import com.unity3d.player.UnityPlayer; import com.unity3d.player.UnityPlayerActivity; import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.os.storage.OnObbStateChangeListener; import android.os.storage.StorageManager; import android.view.KeyEvent; import android.content.res.Configuration; import android.widget.Toast; import android.util.Log; import android.view.WindowManager; import android.provider.Settings.System; public class MainActivity extends UnityPlayerActivity { //这些东西都是与google obb有关的 //拷贝到项目主Activity中 /* google obb */ public String UnityGetObbPath() { String obbPath = getObbDir().getPath(); // Log.v("debug",obbPath); return obbPath; } public String UnityGetAbsoluteObbPath() { String absobbPath = getObbDir().getAbsolutePath(); // Log.v("debug","Abs ObbPath is "); // Log.v("debug",absobbPath); return absobbPath; } public String UnityGetMountedPath(String rawPath) { final StorageManager storageManager = (StorageManager) getSystemService(STORAGE_SERVICE); String mountedObbPath = storageManager.getMountedObbPath(rawPath); return mountedObbPath; } public boolean UnityMountObb(String rawPath) { final StorageManager storageManager = (StorageManager) getSystemService(STORAGE_SERVICE); boolean isAddToQueue = storageManager.mountObb(rawPath, null, new OnObbStateChangeListener() { @Override public void onObbStateChange(String path, int state) { super.onObbStateChange(path, state); switch (state) { case ERROR_ALREADY_MOUNTED: Log.v("Unity", "The OBB has already been mounted"); case ERROR_COULD_NOT_MOUNT: Log.v("Unity", "The OBB could not be mounted by the system"); break; case ERROR_COULD_NOT_UNMOUNT: Log.v("Unity", "The OBB could not be unmounted"); break; case ERROR_INTERNAL: Log.v("Unity", "There was an internal system error encountered while trying to mount the OBB"); break; case ERROR_NOT_MOUNTED: Log.v("Unity", "A call was made to unmount the OBB when it was not mounted"); break; case ERROR_PERMISSION_DENIED: Log.v("Unity", "The current application does not have permission to use this OBB"); break; case MOUNTED: Log.v("Unity", "The OBB container is now mounted and ready for use"); break; case UNMOUNTED: Log.v("Unity", "The OBB container is now unmounted and not usable."); break; default: break; } } }); return isAddToQueue; } public boolean isUnityPathMount(String rawPath) { final StorageManager storageManager = (StorageManager) getSystemService(STORAGE_SERVICE); return storageManager.isObbMounted(rawPath); } }