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copied!<p><strong>Delete</strong></p> <pre><code>public static void deleteRecursive(File fileOrDirectory) { if (fileOrDirectory.isDirectory()) for (File child : fileOrDirectory.listFiles()) deleteRecursive(child); fileOrDirectory.delete(); } </code></pre> <p>check <a href="https://stackoverflow.com/questions/4943629/android-how-to-delete-a-whole-folder-and-content">this</a> link for above function.</p> <p><strong>Copy</strong></p> <pre><code>public static void copyDirectoryOneLocationToAnotherLocation(File sourceLocation, File targetLocation) throws IOException { if (sourceLocation.isDirectory()) { if (!targetLocation.exists()) { targetLocation.mkdir(); } String[] children = sourceLocation.list(); for (int i = 0; i < sourceLocation.listFiles().length; i++) { copyDirectoryOneLocationToAnotherLocation(new File(sourceLocation, children[i]), new File(targetLocation, children[i])); } } else { InputStream in = new FileInputStream(sourceLocation); OutputStream out = new FileOutputStream(targetLocation); // Copy the bits from instream to outstream byte[] buf = new byte[1024]; int len; while ((len = in.read(buf)) > 0) { out.write(buf, 0, len); } in.close(); out.close(); } } </code></pre> <p><strong>Move</strong></p> <p>move is nothing just <strong>copy the folder one location to another</strong> then <strong>delete the folder</strong> thats it</p> <p><strong>manifest</strong></p> <pre><code> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> </code></pre>

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