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

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

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.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

	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

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

package com.hunt.listviewdemo;

import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Environment;
import android.view.LayoutInflater;

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	public void updateItemView(final int index, Object o) {
		int visibleposition = mlist.getFirstVisiblePosition();
		View view = mlist.getChildAt(index - visibleposition);
		TextView tView = (TextView) view.findViewById(R.id.item_define_word);
		tView.setText((String) o);
	}

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	@Override
		protected List<AppInfo> doInBackground(Void... params) {
			// TODO Auto-generated method stub
			List<AppInfo> list = new ArrayList<AppInfo>();
			// 获取系统所有的应用
			List<PackageInfo> appList = mContext.getPackageManager()
					.getInstalledPackages(PackageManager.GET_META_DATA);
			// 获取应用主activity
			for (PackageInfo p : appList) {
				// user app

easternHong

	private final BitmapCache mMemoryCache;
	//一般在构造函数实现
	mMemoryCache = new BitmapCache();


		private Bitmap getBitmapFromMemCache(final int key) {
			return mMemoryCache.get(key);
		}

		private void addBitmapToMemoryCache(final int key, final Bitmap bitmap) {