package com.basic.security.utils;
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import android.app.Activity;
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import android.bluetooth.BluetoothAdapter;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import android.content.res.Resources;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.os.Build;
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import android.text.TextUtils;
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import android.widget.Toast;
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import com.basic.security.base.BaseApplication;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.UnsupportedEncodingException;
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/**
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* Created by EN on 2016/8/18.
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*/
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public class CommonUtils {
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private static final int FAIL = -1;
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private static final int EMPTY = 0;
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private static final int SUCCESS = 1;
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public static Resources getResource() {
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return BaseApplication.getApplication().getResources();
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}
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public static void shortToast(String content) {
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Toast.makeText(BaseApplication.getApplication(), content, Toast.LENGTH_SHORT).show();
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}
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public static void longToast(String content) {
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Toast.makeText(BaseApplication.getApplication(), content, Toast.LENGTH_LONG).show();
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}
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public static Bitmap isToBitmap(InputStream is) {
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return BitmapFactory.decodeStream(is);
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}
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public static String isToString(InputStream is) throws IOException, UnsupportedEncodingException {
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byte[] b = new byte[4096];
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int len;
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int sum = 0;
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StringBuffer sb = new StringBuffer();
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try {
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if (is == null) {
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return null;
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} else if (is.available() == 0) {
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return "";
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} else {
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while ((len = is.read(b)) != -1) {
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sb.append(new String(b, 0, len));
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}
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}
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//result = new String(sb);
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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// Reader reader = null;
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// reader = new InputStreamReader(stream, "UTF-8");
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// char[] buffer = new char[len];
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// reader.read(buffer);
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// return new String(buffer);
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return sb.toString();
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}
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/**
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* dip转换px
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*/
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public static int dip2px(int dip) {
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final float scale = getResource().getDisplayMetrics().density;
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return (int) (dip * scale + 0.5f);
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}
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/**
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* px转换dip
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*/
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public static int px2dip(int px) {
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final float scale = getResource().getDisplayMetrics().density;
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return (int) (px / scale + 0.5f);
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}
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// public static void parseJosn(String json, List<Object> list) {
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// Gson gson = new Gson();
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// }
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//
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//// public static boolean checkPermission(Context context, String permName, String pkgName){
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//// PackageManager pm = context.getPackageManager();
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//// if(PackageManager.PERMISSION_GRANTED == pm.checkPermission(permName, pkgName)){
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//// return true;
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//// }else{
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//// //PackageManager.PERMISSION_DENIED == pm.checkPermission(permName, pkgName)
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//// System.out.println(pkgName + "not has permission : " + permName);
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//// return false;
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//// }
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//// }
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public static boolean checkPermission(Context context, String permission) {
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int perm = context.checkCallingOrSelfPermission(permission);
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return perm == PackageManager.PERMISSION_GRANTED;
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}
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public static boolean checkAndGetPermission(Activity activity, String permission, int code) {
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int perm = activity.checkCallingOrSelfPermission(permission);
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if (perm != PackageManager.PERMISSION_GRANTED) {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
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activity.requestPermissions(new String[]{permission}, code);
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}
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}
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return perm == PackageManager.PERMISSION_GRANTED;
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}
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public static boolean hasQEmuFiles() {
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String[] known_files = {
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"/system/lib/libc_malloc_debug_qemu.so",
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"/sys/qemu_trace",
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"/system/bin/qemu-props"
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};
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for (String pipe : known_files) {
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File qemu_file = new File(pipe);
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if (qemu_file.exists())
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return true;
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}
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return false;
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}
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/**
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* 判断蓝牙是否有效来判断是否为模拟器
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*
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* @return true 为模拟器
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*/
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public boolean notHasBlueTooth() {
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BluetoothAdapter ba = BluetoothAdapter.getDefaultAdapter();
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if (ba == null) {
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return true;
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} else {
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// 如果有蓝牙不一定是有效的。获取蓝牙名称，若为null 则默认为模拟器
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String name = ba.getName();
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if (TextUtils.isEmpty(name)) {
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return true;
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} else {
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return false;
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}
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}
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}
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}
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