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Use Document API on KitKat for file encrypt/decrypt

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This commit is contained in:
mar-v-in
2014-06-10 20:57:48 +02:00
parent 08d63340c9
commit f55bc41682
6 changed files with 198 additions and 52 deletions
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35
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/FileHelper.java
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@@ -17,12 +17,14 @@
package org.sufficientlysecure.keychain.helper;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.support.v4.app.Fragment;
import android.widget.Toast;
@@ -82,6 +84,39 @@ public class FileHelper {
}
}
/**
* Opens the storage browser on Android 4.4 or later for opening a file
* @param fragment
* @param last default selected file
* @param mimeType can be text/plain for example
* @param requestCode used to identify the result coming back from storage browser onActivityResult() in your
*/
@TargetApi(Build.VERSION_CODES.KITKAT)
public static void openDocument(Fragment fragment, Uri last, String mimeType, int requestCode) {
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setData(last);
intent.setType(mimeType);
fragment.startActivityForResult(intent, requestCode);
}
/**
* Opens the storage browser on Android 4.4 or later for saving a file
* @param fragment
* @param last default selected file
* @param mimeType can be text/plain for example
* @param requestCode used to identify the result coming back from storage browser onActivityResult() in your
*/
@TargetApi(Build.VERSION_CODES.KITKAT)
public static void saveDocument(Fragment fragment, Uri last, String mimeType, int requestCode) {
Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setData(last);
intent.setType(mimeType);
fragment.startActivityForResult(intent, requestCode);
}
private static Intent buildFileIntent(String filename, String mimeType) {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);