本文整理匯總了Java中android.content.Context.openFileOutput方法的典型用法代碼示例。如果您正苦於以下問題:Java Context.openFileOutput方法的具體用法?Java Context.openFileOutput怎麽用?Java Context.openFileOutput使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類android.content.Context
的用法示例。
在下文中一共展示了Context.openFileOutput方法的15個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: add
import android.content.Context; //導入方法依賴的package包/類
/**
* Adds an account to the Forge account storage
*
* @param context calling context
* @param account the Forge account to add to the storage
* @return the account added to the storage, if it's a failure returns null
*/
public static ForgeAccount add(Context context, ForgeAccount account) {
// Initialise GSON
Gson gson = new Gson();
// Get the already saved Forge accounts
HashMap<UUID, ForgeAccount> accounts = FileManager.load(context);
// Give the account a random UID
account.setId(java.util.UUID.randomUUID());
// Add the new account to the hash map
accounts.put(account.getId(), account);
// Convert the list of Forge Accounts to a JSON string
String jsonString = gson.toJson(new ArrayList<>(accounts.values()));
// Internal save
FileOutputStream outputStream;
try {
// Save the JSON to the file
outputStream = context.openFileOutput(context.getString(R.string.filename_forge_accounts), Context.MODE_PRIVATE);
outputStream.write(jsonString.getBytes());
outputStream.close();
return account;
} catch (Exception e) {
// If there is an error, log it
Log.e(Forge.ERROR_LOG, e.getMessage());
return null;
}
}
示例2: delete
import android.content.Context; //導入方法依賴的package包/類
/**
* Deletes a Forge account from the storage
*
* @param context calling context
* @param account the Forge account to delete
* @return true = successfully deleted, false = failure in delete attempt
*/
public static boolean delete(Context context, ForgeAccount account) {
// Initialise GSON
Gson gson = new Gson();
// Get the already saved Forge accounts
HashMap<UUID, ForgeAccount> accounts = FileManager.load(context);
// Remove the account with the matching UUID
accounts.remove(account.getId());
// Convert the list of Forge Accounts to a JSON string
String jsonString = gson.toJson(new ArrayList<>(accounts.values()));
// Internal save
FileOutputStream outputStream;
try {
// Save the JSON to the file
outputStream = context.openFileOutput(context.getString(R.string.filename_forge_accounts), Context.MODE_PRIVATE);
outputStream.write(jsonString.getBytes());
outputStream.close();
return true;
} catch (Exception e) {
// If there is an error, log it
Log.e(Forge.ERROR_LOG, e.getMessage());
return false;
}
}
示例3: writeFileToInternalStorage
import android.content.Context; //導入方法依賴的package包/類
/**
* Write a file to internal storage. Used to set up our dummy "cloud server".
*
* @param context the Context
* @param resId the resource ID of the file to write to internal storage
* @param extension the file extension (ex. .png, .mp3)
*/
private void writeFileToInternalStorage(Context context, int resId, String extension) {
InputStream ins = context.getResources().openRawResource(resId);
int size;
byte[] buffer = new byte[1024];
try {
String filename = context.getResources().getResourceEntryName(resId) + extension;
FileOutputStream fos = context.openFileOutput(filename, Context.MODE_PRIVATE);
while ((size = ins.read(buffer, 0, 1024)) >= 0) {
fos.write(buffer, 0, size);
}
ins.close();
fos.write(buffer);
fos.close();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
示例4: newSession
import android.content.Context; //導入方法依賴的package包/類
public static void newSession(Context context) {
sSessionCount++;
sAutoSuggestCount = 0;
sBackspaceCount = 0;
sAutoSuggestUndoneCount = 0;
sManualSuggestCount = 0;
sWordNotInDictionaryCount = 0;
sTypedChars = 0;
sActualChars = 0;
sState = State.START;
if (LOGGING) {
try {
sKeyLocationFile = context.openFileOutput("key.txt", Context.MODE_APPEND);
sUserActionFile = context.openFileOutput("action.txt", Context.MODE_APPEND);
} catch (IOException ioe) {
Log.e("TextEntryState", "Couldn't open file for output: " + ioe);
}
}
}
示例5: writeToFile
import android.content.Context; //導入方法依賴的package包/類
public static void writeToFile(Context context,ArrayList<String> list, String fileName)
{
try
{
FileOutputStream stream = context.openFileOutput(fileName,Context.MODE_PRIVATE);
for (String item : list)
{
stream.write((item + "\n").getBytes());
}
stream.close();
}
catch (Exception e)
{
}
}
示例6: writeToFileFloat
import android.content.Context; //導入方法依賴的package包/類
public static void writeToFileFloat(Context context,ArrayList<Float> list, String fileName)
{
try
{
FileOutputStream stream = context.openFileOutput(fileName,Context.MODE_PRIVATE);
for (Float item : list)
{
stream.write((Float.toString(item) + "\n").getBytes());
}
stream.close();
}
catch (Exception e)
{
}
}
示例7: createLockFile
import android.content.Context; //導入方法依賴的package包/類
/**
* Creates lockfile
* @return boolean
*/
public boolean createLockFile(Context context, String text) {
try {
Log.i( "info", "createLockFile: start");
FileOutputStream fos = context.openFileOutput("lockfile", context.MODE_WORLD_WRITEABLE);
String string = text + "\n";
fos.write(string.getBytes());
fos.close();
Log.i( "info", "createLockFile: done");
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
}
示例8: add
import android.content.Context; //導入方法依賴的package包/類
/**
* save/add a page/url to the history
*
* @param context
* @param url
*/
static public void add(Context context, String url)
{
try
{
FileOutputStream outputStream = context.openFileOutput(HISTORY_FILE,
Context.MODE_APPEND
);
outputStream.write(url.getBytes());
outputStream.write("\n".getBytes());
outputStream.close();
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
示例9: write
import android.content.Context; //導入方法依賴的package包/類
/**
* 寫文本文件 在Android係統中,文件保存在 /data/data/PACKAGE_NAME/files 目錄下
*
* @param context
*/
public static void write(Context context, String fileName, String content) {
if (content == null)
content = "";
try {
FileOutputStream fos = context.openFileOutput(fileName,
Context.MODE_PRIVATE);
fos.write(content.getBytes());
fos.close();
} catch (Exception e) {
e.printStackTrace();
}
}
示例10: writeToFile
import android.content.Context; //導入方法依賴的package包/類
public static void writeToFile(String data, Context context) {
try {
OutputStreamWriter outputStreamWriter = new OutputStreamWriter(context.openFileOutput("imagenes.json", Context.MODE_PRIVATE));
outputStreamWriter.write(data);
outputStreamWriter.close();
}
catch (IOException e) {
Log.e("Exception", "File write failed: " + e.toString());
}
}
示例11: writeToFile
import android.content.Context; //導入方法依賴的package包/類
/**
* Write to a file
* @param context The context
* @param fileName File to be written
* @param data The data to be written to the file
* @return True if successful, false if not
*/
public static boolean writeToFile(Context context, String fileName, String data) {
FileOutputStream outputStream;
try {
outputStream = context.openFileOutput(fileName, Context.MODE_PRIVATE);
outputStream.write(data.getBytes());
outputStream.close();
return true;
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
示例12: save
import android.content.Context; //導入方法依賴的package包/類
private void save(Context context) {
byte[] byteBuffer = new byte[Double.SIZE / Byte.SIZE];
try {
FileOutputStream stream = context.openFileOutput(ScoresFileName, Context.MODE_PRIVATE);
ByteBuffer.wrap(byteBuffer).putDouble(BuildConfig.VERSION_CODE);
stream.write(byteBuffer);
for (Map.Entry<Integer, List<ScoreEntry>> group : this.scores.entrySet()) {
stream.write(group.getKey());
stream.write(group.getValue().size());
for (ScoreEntry score : group.getValue()) {
double[] data = score.saveData();
for (double val : data) {
ByteBuffer.wrap(byteBuffer).putDouble(val);
stream.write(byteBuffer);
}
}
}
stream.close();
Log.i("HighScores", "Saved");
} catch (Exception e) {
Log.e("HighScores", "Autosave failed", e);
}
}
示例13: write
import android.content.Context; //導入方法依賴的package包/類
public static boolean write(String filename, Context context, Object o) {
boolean success = false;
try {
FileOutputStream fos = context.openFileOutput(filename, Context.MODE_PRIVATE);
ObjectOutputStream os = new ObjectOutputStream(fos);
os.writeObject(o);
fos.flush();
os.close();
success = true;
} catch (Exception e) {
e.printStackTrace();
}
return success;
}
示例14: writeOut
import android.content.Context; //導入方法依賴的package包/類
@TargetApi(Build.VERSION_CODES.KITKAT)
public static void writeOut(SaveData saveData, Context context) throws IOException {
try (FileOutputStream fos = context.openFileOutput("Scans.ser", Context.MODE_PRIVATE)) {
ObjectOutputStream os = new ObjectOutputStream(fos);
os.writeObject(saveData);
os.close();
fos.close();
}
catch (Exception e) {
}
}
示例15: saveImageToStorage
import android.content.Context; //導入方法依賴的package包/類
public static void saveImageToStorage(Bitmap image, String key, Context context) {
try {
// Create an ByteArrayOutputStream and feed a compressed bitmap image in it
ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
image.compress(Bitmap.CompressFormat.PNG, 100, byteStream); // PNG as only format with transparency
// Create a FileOutputStream with out key and set the mode to private to ensure
// Only this app and read the file. Write out ByteArrayOutput to the file and close it
FileOutputStream fileOut = context.openFileOutput(key, Context.MODE_PRIVATE);
fileOut.write(byteStream.toByteArray());
byteStream.close();
} catch (Exception e) {
e.printStackTrace();
}
}