Java Code Examples for android.app.Activity#getCacheDir()
The following examples show how to use
android.app.Activity#getCacheDir() .
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Example 1
Source File: AssetsToCacheDir.java From MusicPlayer_XiangDa with GNU General Public License v3.0 | 5 votes |
/** * 将asset文件写入缓存 */ public static boolean copyAssetAndWrite(Activity c, String fileName) throws IOException { try { File cacheDir = c.getCacheDir(); if (!cacheDir.exists()) { cacheDir.mkdirs(); } File outFile = new File(cacheDir, fileName); if (!outFile.exists()) { boolean res = outFile.createNewFile(); if (!res) { return false; } } else { if (outFile.length() > 10) {//表示已经写入一次 return true; } } InputStream is = c.getAssets().open(fileName); FileOutputStream fos = new FileOutputStream(outFile); byte[] buffer = new byte[1024]; int byteCount; while ((byteCount = is.read(buffer)) != -1) { fos.write(buffer, 0, byteCount); } fos.flush(); is.close(); fos.close(); return true; } catch (IOException e) { e.printStackTrace(); } return false; }
Example 2
Source File: CommonUtility.java From appcan-android with GNU Lesser General Public License v3.0 | 5 votes |
public static void clearAllCacheFile(Activity activity) { File folder = activity.getCacheDir(); try { File[] files = folder.listFiles(); for (File file : files) { if (file.getName().endsWith(".tmp")) { file.delete(); } } } catch (Exception e) { BDebug.e(TAG, "clearAllCacheFile:" + e.getMessage()); e.printStackTrace(); } }
Example 3
Source File: EasyPhotosActivity.java From imsdk-android with MIT License | 4 votes |
private void startCrop(Activity context, String source, Intent data) { BitmapFactory.Options bitmapOptions = new BitmapFactory.Options(); bitmapOptions.inJustDecodeBounds = true; BitmapFactory.decodeFile(source, bitmapOptions); if (bitmapOptions.outWidth == -1 || bitmapOptions.outHeight == -1) { setResult(RESULT_OK, data); finish(); Log.e("EasyPhotos", "该类型不支持裁剪!"); return; } SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd_HH:mm:ss", Locale.getDefault()); String suffix = source.substring(source.lastIndexOf(".")); String imageName = "IMG_CROP_%s" + suffix; String destinationFileName = String.format(imageName, dateFormat.format(new Date())); UCrop.Options options = new UCrop.Options(); //设置相关颜色 int statusBarColor = ContextCompat.getColor(this, R.color.easy_photos_status_bar); if (ColorUtils.isWhiteColor(statusBarColor)) { statusBarColor = Color.LTGRAY; } options.setStatusBarColor(statusBarColor); int barColor = ContextCompat.getColor(this, R.color.easy_photos_bar_primary); options.setToolbarColor(barColor); int widgetColor = ContextCompat.getColor(this, R.color.easy_photos_fg_primary); options.setToolbarWidgetColor(widgetColor); options.setActiveWidgetColor(Color.BLACK); //options.setLogoColor(Color.TRANSPARENT); //设置裁剪质量 options.setCompressionQuality(Setting.compressQuality); //是否圆形裁剪 options.setCircleDimmedLayer(Setting.isCircle); //设置网格相关 options.setShowCropFrame(Setting.isShowCropCropFrame); options.setShowCropGrid(Setting.isShowCropGrid); //是否自由裁剪 options.setFreeStyleCropEnabled(Setting.isFreeStyleCrop); //设置title options.setToolbarTitle(""); //隐藏底部控制栏 options.setHideBottomControls(Setting.isHideUCropControls); File cacheFile = new File(context.getCacheDir(), destinationFileName); UCrop.of(Uri.fromFile(new File(source)), Uri.fromFile(cacheFile)) .withAspectRatio(Setting.aspectRatio[0], Setting.aspectRatio[1]) .withOptions(options) .start(context); }
Example 4
Source File: PhotoEditorActivity.java From react-native-photo-editor with Apache License 2.0 | 4 votes |
private String getTmpDir(Activity activity) { String tmpDir = activity.getCacheDir() + "/react-native-photo-editor"; new File(tmpDir).mkdir(); return tmpDir; }
Example 5
Source File: DynamicFontsModule.java From react-native-dynamic-fonts with MIT License | 4 votes |
@ReactMethod public void loadFont(final ReadableMap options, final Callback callback) throws Exception { Activity currentActivity = getCurrentActivity(); if (currentActivity == null) { callback.invoke("Invalid activity"); return; } String name = (options.hasKey("name")) ? options.getString("name") : null, data = (options.hasKey("data")) ? options.getString("data") : null, type = null; if (name == null || name.length() == 0) { callback.invoke("Name property empty"); return; } if (data == null || data.length() == 0) { callback.invoke("Data property empty"); return; } if (("data:").equalsIgnoreCase(data.substring(0, 5))) { Integer pos = data.indexOf(','); if (pos > 0) { String[] encodingParams = data.substring(5, pos).split(";"); String mimeType = encodingParams[0]; data = data.substring(pos + 1); if (("application/x-font-ttf").equalsIgnoreCase(mimeType) || ("application/x-font-truetype").equalsIgnoreCase(mimeType) || ("font/ttf").equalsIgnoreCase(mimeType)) { type = "ttf"; } else if (("application/x-font-opentype").equalsIgnoreCase(mimeType) || ("font/opentype").equalsIgnoreCase(mimeType)) { type = "otf"; } } } if (options.hasKey("type")) type = options.getString("type"); if (type == null) type = "ttf"; try { byte[] decodedBytes = Base64.decode(data, Base64.DEFAULT); File cacheFile = new File(currentActivity.getCacheDir(), "tempFont" + (tempNameCounter++) + type); FileOutputStream stream = new FileOutputStream(cacheFile); try { stream.write(decodedBytes); } finally { stream.close(); } //Load the font from the temporary file we just created Typeface typeface = Typeface.createFromFile(cacheFile); if (typeface.isBold()) name = name + "_bold"; if (typeface.isItalic()) name = name + "_italic"; //Cache the font for react ReactFontManager.getInstance().setTypeface(name, typeface.getStyle(), typeface); cacheFile.delete(); } catch(Exception e) { callback.invoke(e.getMessage()); } finally { callback.invoke(null, name); } }
Example 6
Source File: CommonUtility.java From appcan-android with GNU Lesser General Public License v3.0 | 4 votes |
public static File createCacheFile(Activity activity) { return new File(activity.getCacheDir(), System.currentTimeMillis() + ".tmp"); }
Example 7
Source File: ApplicationTest.java From Man-Man with GNU General Public License v3.0 | 4 votes |
@Test public void checkLocalArchive() throws InterruptedException { final Activity act = mActivityRule.getActivity(); // first we need to clear archive final File localArchive = new File(act.getCacheDir(), "manpages.zip"); localArchive.delete(); onView(withText(R.string.local_storage)).perform(click()); onView(withText(R.string.download_archive)).perform(click()); onView(withText(android.R.string.ok)).perform(click()); // wait for local archive to load await().atMost(10, TimeUnit.MINUTES).until(new Callable<Boolean>() { @Override public Boolean call() throws Exception { final ListView searchList = (ListView) act.findViewById(R.id.local_storage_page_list); return searchList.getChildCount() > 0; } }); onView(withId(R.id.local_search_edit)).perform(typeText("tar"), closeSoftKeyboard()); onView(allOf(withText("local:/man1"), hasSibling(withText("tar")))) .check(matches(isDisplayed())) .perform(click()); // wait for page to load await().atMost(5, TimeUnit.SECONDS).until(new WebViewVisible(act)); // check one of link names onView(withId(R.id.link_list)) .check(matches(allOf( hasDescendant(withText("SYNOPSIS")), hasDescendant(withText("--blocking-factor")), hasDescendant(withText("--index-file")), hasDescendant(withText("--pax-option")), hasDescendant(withText("--to-command")), hasDescendant(withText("--uncompress")), hasDescendant(withText("-G")) ))); }