package com.example.administrator.searchpicturetool.util;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.net.Uri;
import android.os.Environment;
import android.view.KeyCharacterMap;
import android.view.KeyEvent;
import android.view.ViewConfiguration;
import com.example.administrator.searchpicturetool.app.APP;
import java.io.File;
import java.lang.reflect.Method;
/**
* Created by wenhuaijun on 2015/11/7 0007.
*/
public class Utils {
public static String getSDPath(){
File sdDir;
boolean sdCardExist = Environment.getExternalStorageState()
.equals(android.os.Environment.MEDIA_MOUNTED); //判断sd卡是否存在
if (sdCardExist)
{
sdDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);//获取图片目录
}else {
sdDir = APP.getInstance().getFilesDir();
}
return sdDir.toString();
}
//分享图片
public static void startShareImg(String path,Context context){
Intent shareIntent = new Intent(Intent.ACTION_SEND);
shareIntent.setType("image/*");
File file = new File(path);
Uri uri = Uri.fromFile(file);
shareIntent.putExtra(Intent.EXTRA_STREAM, uri);
context.startActivity(Intent.createChooser(shareIntent, "请选择"));
}
public static boolean checkDeviceHasNavigationBar(Context activity) {
//通过判断设备是否有返回键、菜单键(不是虚拟键,是手机屏幕外的按键)来确定是否有navigation bar
boolean hasMenuKey = ViewConfiguration.get(activity)
.hasPermanentMenuKey();
boolean hasBackKey = KeyCharacterMap
.deviceHasKey(KeyEvent.KEYCODE_BACK);
if (!hasMenuKey && !hasBackKey) {
// 没有物理按键则一定有navigationbar,不然怎么退出
return true;
}
//有物理按键依然可能有navigationbar,给华为,魅族跪了。。
return checkDeviceHasNavigationBarAgain(activity);
}
private static boolean checkDeviceHasNavigationBarAgain(Context context) {
boolean hasNavigationBar = false;
Resources rs = context.getResources();
int id = rs.getIdentifier("config_showNavigationBar", "bool", "android");
if (id > 0) {
hasNavigationBar = rs.getBoolean(id);
}
try {
Class systemPropertiesClass = Class.forName("android.os.SystemProperties");
Method m = systemPropertiesClass.getMethod("get", String.class);
String navBarOverride = (String) m.invoke(systemPropertiesClass, "qemu.hw.mainkeys");
if ("1".equals(navBarOverride)) {
hasNavigationBar = false;
} else if ("0".equals(navBarOverride)) {
hasNavigationBar = true;
}
} catch (Exception e) {
}
return hasNavigationBar;
}
public static int getNavigationBarHeight(Context context) {
int navigationBarHeight = 0;
Resources rs = context.getResources();
int id = rs.getIdentifier("navigation_bar_height", "dimen", "android");
if (id > 0 && checkDeviceHasNavigationBar(context)) {
navigationBarHeight = rs.getDimensionPixelSize(id);
}
return navigationBarHeight;
}
}