Example usage for android.content Context getContentResolver

Introduction

In this page you can find the example usage for android.content Context getContentResolver.

Prototype

public abstract ContentResolver getContentResolver();

Source Link

Document

Return a ContentResolver instance for your application's package.

Usage

From source file:Main.java

public static String getApplicationUserName(Context context, String s) {
    return (new StringBuilder()).append(s).append("_")
            .append(android.provider.Settings.Secure.getString(context.getContentResolver(), "android_id"))
            .toString();//from  w w  w  .java 2s .c  o m
}

From source file:Main.java

public static boolean checkLocationSystemSetting(Context context) {
    int locationSettingState = 0;
    try {//from  w w w. j  a v  a 2  s  .  co  m
        locationSettingState = Settings.Secure.getInt(context.getContentResolver(),
                Settings.Secure.LOCATION_MODE);
    } catch (Settings.SettingNotFoundException e) {
        e.printStackTrace();
    }
    return locationSettingState != Settings.Secure.LOCATION_MODE_OFF;
}

From source file:Main.java

private static int getRotationFromCamera(Context context, Uri imageFile) {
    int rotate = 0;
    try {//from  w w  w.j  a v  a  2 s .  c  om

        context.getContentResolver().notifyChange(imageFile, null);
        ExifInterface exif = new ExifInterface(imageFile.getPath());
        int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL);

        switch (orientation) {
        case ExifInterface.ORIENTATION_ROTATE_270:
            rotate = 270;
            break;
        case ExifInterface.ORIENTATION_ROTATE_180:
            rotate = 180;
            break;
        case ExifInterface.ORIENTATION_ROTATE_90:
            rotate = 90;
            break;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return rotate;
}

From source file:Main.java

/**
 * Convert an image to a byte array/* w  w  w.j a  v a2  s .c o  m*/
 * @param uri
 * @param context
 * @return
 */
public static byte[] convertImageToByte(Uri uri, Context context) {
    byte[] data = null;
    try {
        ContentResolver cr = context.getContentResolver();
        InputStream inputStream = cr.openInputStream(uri);
        Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.PNG, 100, baos);
        data = baos.toByteArray();
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (Exception e2) {
            }
        }
        if (baos != null) {
            try {
                baos.close();
            } catch (Exception e2) {
            }
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    return data;
}

From source file:Main.java

public static String getAndroidID(Context applicationCtx) {
    if (sAndroidID != null) {
        return sAndroidID;
    }//w w  w  . j a  va  2 s.  c  om
    sAndroidID = Settings.System.getString(applicationCtx.getContentResolver(), Settings.System.ANDROID_ID);
    return sAndroidID;
}

From source file:Main.java

public static boolean checkShortCut(Context context, String appName) {
    boolean hasShortCut = false;
    try {/*from  www  .  j ava 2  s. co  m*/
        ContentResolver cr = context.getContentResolver();
        final String AUTHORITY1 = "com.android.launcher.settings";
        final String AUTHORITY2 = "com.android.launcher2.settings";
        String contentUri = "";
        if (android.os.Build.VERSION.SDK_INT < 8) {
            contentUri = "content://" + AUTHORITY1 + "/favorites?notify=true";
        } else {
            contentUri = "content://" + AUTHORITY2 + "/favorites?notify=true";
        }
        final Uri CONTENT_URI = Uri.parse(contentUri);
        Cursor c = cr.query(CONTENT_URI, new String[] { "title", "iconResource" }, "title=?",
                new String[] { appName }, null);
        if (c != null && c.getCount() > 0) {
            hasShortCut = true;
        }
    } catch (Exception e) {
    }
    return hasShortCut;
}

From source file:Main.java

public static void addCallLog(Context context, ContentValues values, ContentValues extraValues) {
    ContentResolver contentResolver = context.getContentResolver();
    Uri result = contentResolver.insert(CallLog.Calls.CONTENT_URI, values);

    if (result != null) {
        // Announce that to other apps
        final Intent broadcast = new Intent(ACTION_ANNOUNCE_SIP_CALLLOG);
        broadcast.putExtra(EXTRA_CALL_LOG_URI, result.toString());
        String provider = extraValues.getAsString(EXTRA_SIP_PROVIDER);
        if (provider != null) {
            broadcast.putExtra(EXTRA_SIP_PROVIDER, provider);
        }/*from  ww w  . j a va 2 s  .com*/
        context.sendBroadcast(broadcast);
    }
}

From source file:Main.java

public final static String getUUid(Context applicationCtx) {
    if (sAndroidID != null) {
        return sAndroidID;
    }/*from  ww  w. ja  v  a  2  s  . com*/

    sAndroidID = Settings.System.getString(applicationCtx.getContentResolver(), Settings.System.ANDROID_ID);
    return sAndroidID;
}

From source file:Main.java

/**
 * Get video's duration from {@link ContentProvider}
 *
 * @param context/* w  w  w  .j  a v  a2 s. com*/
 * @param uri     must has {@link Uri#getScheme()} equals
 *                {@link ContentResolver#SCHEME_CONTENT}
 * @return Duration of video, in milliseconds.
 */
public static long getDuration(Context context, Uri uri) {
    long duration = 0L;
    Cursor cursor = MediaStore.Video.query(context.getContentResolver(), uri,
            new String[] { MediaStore.Video.VideoColumns.DURATION });
    if (cursor != null) {
        cursor.moveToFirst();
        duration = cursor.getLong(cursor.getColumnIndex(MediaStore.Video.VideoColumns.DURATION));
        cursor.close();
    }
    return duration;
}

From source file:Main.java

/**
 * Decode a file from the path and return a bitmap
 * @param uri// w  ww .j a va  2s  .  c  o  m
 * @param context
 * @return
 */
public static Bitmap decodeFileFromPath(Uri uri, Context context) {

    InputStream in = null;
    try {
        in = context.getContentResolver().openInputStream(uri);

        //Decode image size
        BitmapFactory.Options o = new BitmapFactory.Options();
        o.inJustDecodeBounds = true;

        BitmapFactory.decodeStream(in, null, o);
        in.close();

        int scale = 1;
        int inSampleSize = 1024;
        if (o.outHeight > inSampleSize || o.outWidth > inSampleSize) {
            scale = (int) Math.pow(2, (int) Math.round(
                    Math.log(inSampleSize / (double) Math.max(o.outHeight, o.outWidth)) / Math.log(0.5)));
        }

        BitmapFactory.Options o2 = new BitmapFactory.Options();
        o2.inSampleSize = scale;
        in = context.getContentResolver().openInputStream(uri);
        Bitmap b = BitmapFactory.decodeStream(in, null, o2);
        in.close();

        return b;

    } catch (FileNotFoundException e) {
        //e.printStackTrace();
    } catch (IOException e) {
        //e.printStackTrace();
    }
    return null;
}