@Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (resultCode == Activity.RESULT_OK) { String sdStatus = Environment.getExternalStorageState(); if (!sdStatus.equals(Environment.MEDIA_MOUNTED)) { // 检测sd是否可用 Log.i("TestFile", "SD card is not avaiable/writeable right now."); return; } String name = new DateFormat().format("yyyyMMdd_hhmmss", Calendar.getInstance(Locale.CHINA)) + ".jpg"; Toast.makeText(this, name, Toast.LENGTH_LONG).show(); Bundle bundle = data.getExtras(); Bitmap bitmap = (Bitmap) bundle.get("data"); // 获取相机返回的数据,并转换为Bitmap图片格式 FileOutputStream b = null; File file = new File("/sdcard/myImage/"); if (!file.exists()) file.mkdirs(); // 创建文件夹 String fileName = "/sdcard/myImage/" + name; File photofile = new File(fileName); if (!photofile.exists()) { try { photofile.createNewFile(); } catch (IOException e) { e.printStackTrace(); } } try { b = new FileOutputStream(photofile); bitmap.compress(Bitmap.CompressFormat.JPEG, 100, b); // 把数据写入文件 } catch (Exception e) { e.printStackTrace(); } finally { try { b.flush(); b.close(); } catch (IOException e) { e.printStackTrace(); } } // 动态的改变gridview中的一个Item的内容 bitmapList.set(currentIndex, bitmap); myGalleryAdapter.notifyDataSetChanged(); updatePhoto( Long.valueOf(phoneNumberToId.get(phoneNumber.get(currentIndex))), bitmapToBytes(bitmap)); // ((ImageView) findViewById(R.id.imageView)).setImageBitmap(bitmap);// // 将图片显示在ImageView里 Intent intent = new Intent(ContactActivity.this, ContactActivity.class); this.startActivity(intent); this.finish(); } }
private void checkAndLaunchUpdate() { Log.i(LOG_FILE_NAME, "Checking for an update"); int statusCode = 8; // UNEXPECTED_ERROR File baseUpdateDir = null; if (Build.VERSION.SDK_INT >= 8) baseUpdateDir = getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS); else baseUpdateDir = new File(Environment.getExternalStorageDirectory().getPath(), "download"); File updateDir = new File(new File(baseUpdateDir, "updates"), "0"); File updateFile = new File(updateDir, "update.apk"); File statusFile = new File(updateDir, "update.status"); if (!statusFile.exists() || !readUpdateStatus(statusFile).equals("pending")) return; if (!updateFile.exists()) return; Log.i(LOG_FILE_NAME, "Update is available!"); // Launch APK File updateFileToRun = new File(updateDir, getPackageName() + "-update.apk"); try { if (updateFile.renameTo(updateFileToRun)) { String amCmd = "/system/bin/am start -a android.intent.action.VIEW " + "-n com.android.packageinstaller/.PackageInstallerActivity -d file://" + updateFileToRun.getPath(); Log.i(LOG_FILE_NAME, amCmd); Runtime.getRuntime().exec(amCmd); statusCode = 0; // OK } else { Log.i(LOG_FILE_NAME, "Cannot rename the update file!"); statusCode = 7; // WRITE_ERROR } } catch (Exception e) { Log.i(LOG_FILE_NAME, "error launching installer to update", e); } // Update the status file String status = statusCode == 0 ? "succeeded\n" : "failed: " + statusCode + "\n"; OutputStream outStream; try { byte[] buf = status.getBytes("UTF-8"); outStream = new FileOutputStream(statusFile); outStream.write(buf, 0, buf.length); outStream.close(); } catch (Exception e) { Log.i(LOG_FILE_NAME, "error writing status file", e); } if (statusCode == 0) System.exit(0); }
private boolean unpackFile(ZipFile zip, byte[] buf, ZipEntry fileEntry, String name) throws IOException, FileNotFoundException { if (fileEntry == null) fileEntry = zip.getEntry(name); if (fileEntry == null) throw new FileNotFoundException("Can't find " + name + " in " + zip.getName()); File outFile = new File(sGREDir, name); if (outFile.lastModified() == fileEntry.getTime() && outFile.length() == fileEntry.getSize()) return false; File dir = outFile.getParentFile(); if (!dir.exists()) dir.mkdirs(); InputStream fileStream; fileStream = zip.getInputStream(fileEntry); OutputStream outStream = new FileOutputStream(outFile); while (fileStream.available() > 0) { int read = fileStream.read(buf, 0, buf.length); outStream.write(buf, 0, read); } fileStream.close(); outStream.close(); outFile.setLastModified(fileEntry.getTime()); return true; }
void removeFiles() throws IOException { BufferedReader reader = new BufferedReader(new FileReader(new File(sGREDir, "removed-files"))); try { for (String removedFileName = reader.readLine(); removedFileName != null; removedFileName = reader.readLine()) { File removedFile = new File(sGREDir, removedFileName); if (removedFile.exists()) removedFile.delete(); } } finally { reader.close(); } }
public void mOnClickSave(View v) { String inputPath = nowPath; UseDb db = new UseDb(); File files = new File(inputPath); if (files.exists() == true) { db.setValue(this, dbPath, nowPath); Intent intent = new Intent(this, Loading.class); intent.putExtra("path", nowPath); startActivity(intent); finish(); } else { Toast.makeText( FolderEx.this, getResources().getString(R.string.sp_msg_notexistfolder), Toast.LENGTH_SHORT) .show(); } }