我正在使用API 17 (4.2.2)
测试我的应用程序以获得荣誉,但让我震惊:
E/asdf: checkDataBase-->android.database.sqlite.SQLiteCantOpenDatabaseException: unknown error (code 14): Could not open database
E/AndroidRuntime: FATAL EXCEPTION: main
java.lang.Error: Error copying database --> java.io.FileNotFoundException: /storage/sdcard1/Android/data/ir.jmostafa.appportalmostafa/appPortal/AppPortalDB.sqlite: open failed: EACCES (Permission denied)
at ir.jmostafa.appportalmostafa.db.DBS.CreateandOpenDataBase(DBS.java:89)
at ir.jmostafa.appportalmostafa.start.StartActivity.createDatabase(StartActivity.java:296)
at ir.jmostafa.appportalmostafa.start.StartActivity.init(StartActivity.java:227)
at ir.jmostafa.appportalmostafa.start.StartActivity.onCreate(StartActivity.java:143)
at android.app.Activity.performCreate(Activity.java:5179)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1146)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2336)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2424)
at android.app.ActivityThread.access$600(ActivityThread.java:169)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1388)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:194)
at android.app.ActivityThread.main(ActivityThread.java:5433)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:525)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:924)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:691)
at dalvik.system.NativeStart.main(Native Method)
而贝娄是我的DBS.java
:
public class DBS extends SQLiteOpenHelper {
public static final String DIR_SDCARD = Environment.getExternalStorageDirectory().getAbsolutePath();
public static final String DIR_DATABASE = DIR_SDCARD + "/Android/data/";
private static String DB_NAME = "AppPortalDB.sqlite";
private final Context myContext;
public static String PACKAGE_NAME;
private void copyDataBase() throws IOException {
// Open your local db as the input stream
InputStream myInput = myContext.getAssets().open(DB_NAME);
// Path to the just created empty db
String outFileName = DIR_DATABASE + PACKAGE_NAME + "/appPortal/" + DB_NAME;
// Open the empty db as the output stream
OutputStream myOutput = new FileOutputStream(outFileName);
// transfer bytes from the inputfile to the outputfile
byte[] buffer = new byte[1024];
int length;
try {
while ((length = myInput.read(buffer)) > 0) {
myOutput.write(buffer, 0, length);
}
} catch (IOException e) {
Log.e("Copy", e.toString());
}
// Close the streams
myOutput.flush();
myOutput.close();
myInput.close();
}
private boolean checkDataBase() {
SQLiteDatabase checkDB = null;
try {
checkDB = SQLiteDatabase.openDatabase(DIR_DATABASE + PACKAGE_NAME + "/appPortal/" + DB_NAME, null, SQLiteDatabase.NO_LOCALIZED_COLLATORS);
} catch (SQLiteException e) {
Log.e("asdf", "checkDataBase-->" + e.toString());
}
if (checkDB != null) {
checkDB.close();
}
return checkDB != null ? true : false;
}
@Override
public synchronized SQLiteDatabase getReadableDatabase() {
return super.getReadableDatabase();
}
public DBS(Context context) {
super(context, DB_NAME, null, 1);
this.myContext = context;
}
public void CreateandOpenDataBase() throws IOException {
boolean dbExist = false;
try {
dbExist = checkDataBase();
} catch (Exception e) {
Log.i("ERROR", "ERROR in DBS Class");
}
if (dbExist) {
} else {
try {
copyDataBase();
} catch (IOException e) {
throw new Error("Error copying database --> " + e.toString());
}
}
}
public SQLiteDatabase openDataBase() throws SQLException {
return SQLiteDatabase.openOrCreateDatabase(DIR_DATABASE + PACKAGE_NAME + "/appPortal/" + DB_NAME, null);
}
public boolean CreateFile() {
File fileExist = new File(DIR_DATABASE + PACKAGE_NAME + "/appPortal");
if (!fileExist.exists() && !fileExist.isDirectory()) {
File file = new File(DIR_DATABASE + PACKAGE_NAME + "/appPortal");
file.mkdirs();
return true;
} else {
return false;
}
}
public void GetPackageName(String res) {
PACKAGE_NAME = res;
}
@Override
public void onCreate(SQLiteDatabase db) {
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
}
我在我的清单中添加了以下许可:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
注意:但是当我使用此标记在其他设备上测试应用程序并为应用程序建模时,该工作正常。
答案 0 :(得分:0)
问题在于您的文件java.io.FileNotFoundException: /storage/sdcard1/Android/data/ir.jmostafa.appportalmostafa/appPortal/AppPortalDB.sqlite
确保路径正确且文件在那里