easternHong

public class SqliteUtils {

    private static volatile SqliteUtils instance;

    private DbHelper                    dbHelper;
    private SQLiteDatabase              db;

    private SqliteUtils(Context context) {
        dbHelper = new DbHelper(context);
        db = dbHelper.getWritableDatabase();

easternHong

	void startActivitySafely(Intent intent) {
		intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
		try {
			startActivity(intent);
		} catch (ActivityNotFoundException e) {
			Toast.makeText(this, R.string.activity_not_found,
					Toast.LENGTH_SHORT).show();
		} catch (SecurityException e) {
			Toast.makeText(this, R.string.activity_not_found,
					Toast.LENGTH_SHORT).show();

easternHong

package com.jwetherell.motion_detection.image;

import java.io.ByteArrayOutputStream;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.graphics.Matrix;


/**

easternHong

package com.cylan.efamily.utils;

import android.annotation.SuppressLint;
import android.os.Environment;
import android.os.StatFs;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;

easternHong

package com.hunt.utils;

import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;

import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;

easternHong

 if (Build.VERSION.SDK_INT >= 18) {
 
            // The UI options currently enabled are represented by a bitfield.
            // getSystemUiVisibility() gives us that bitfield.
            int uiOptions = getWindow().getDecorView().getSystemUiVisibility();
            int newUiOptions = uiOptions;
            boolean isImmersiveModeEnabled =
                    ((uiOptions | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) == uiOptions);
            if (isImmersiveModeEnabled) {
                Log.i(TAG, "Turning immersive mode mode off. ");

easternHong

    /**
     * Utility method to convert a byte array to a hexadecimal string.
     *
     * @param bytes Bytes to convert
     * @return String, containing hexadecimal representation.
     */
    public static String ByteArrayToHexString(byte[] bytes) {
        final char[] hexArray = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
        char[] hexChars = new char[bytes.length * 2]; // Each byte has two hex characters (nibbles)
        int v;

easternHong

//Edited by mythou
//http://www.cnblogs.com/mythou/
　　//要转换的地址或字符串,可以是中文
    public void createQRImage(String url)
    {
        try
        {
            //判断URL合法性
            if (url == null || "".equals(url) || url.length() < 1)
            {

easternHong

package com.hunt.androidtext;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.drawable.Drawable;

easternHong

package com.hunt.androidtext;

import android.media.AudioFormat;
import android.media.AudioRecord;
import android.media.MediaRecorder;
import android.os.Handler;
import android.os.Message;
import android.util.Log;

/**