package com.shuyu.gsyvideoplayer.utils;
import android.app.Activity;
import android.content.Context;
import android.content.ContextWrapper;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Build;
import android.support.v4.app.FragmentActivity;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.internal.view.ContextThemeWrapper;
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import java.io.File;
import java.util.Formatter;
import java.util.Locale;
/**
* 公共类
* Created by shuyu on 2016/11/11.
*/
public class CommonUtil {
public static String stringForTime(int timeMs) {
if (timeMs <= 0 || timeMs >= 24 * 60 * 60 * 1000) {
return "00:00";
}
int totalSeconds = timeMs / 1000;
int seconds = totalSeconds % 60;
int minutes = (totalSeconds / 60) % 60;
int hours = totalSeconds / 3600;
StringBuilder stringBuilder = new StringBuilder();
Formatter mFormatter = new Formatter(stringBuilder, Locale.getDefault());
if (hours > 0) {
return mFormatter.format("%d:%02d:%02d", hours, minutes, seconds).toString();
} else {
return mFormatter.format("%02d:%02d", minutes, seconds).toString();
}
}
public static boolean isWifiConnected(Context context) {
ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo wifiNetworkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
if (wifiNetworkInfo.isConnected()) {
return true;
}
return false;
}
/**
* Get activity from context object
*
* @param context something
* @return object of Activity or null if it is not Activity
*/
public static Activity scanForActivity(Context context) {
if (context == null) return null;
if (context instanceof Activity) {
return (Activity) context;
} else if (context instanceof ContextWrapper) {
return scanForActivity(((ContextWrapper) context).getBaseContext());
}
return null;
}
/**
* 获取状态栏高度
*
* @param context 上下文
* @return 状态栏高度
*/
public static int getStatusBarHeight(Context context) {
int result = 0;
int resourceId = context.getResources()
.getIdentifier("status_bar_height", "dimen", "android");
if (resourceId > 0) {
result = context.getResources().getDimensionPixelSize(resourceId);
}
return result;
}
/**
* 获取ActionBar高度
*
* @param activity activity
* @return ActionBar高度
*/
public static int getActionBarHeight(Activity activity) {
TypedValue tv = new TypedValue();
if (activity.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) {
return TypedValue.complexToDimensionPixelSize(tv.data, activity.getResources().getDisplayMetrics());
}
return 0;
}
public static void hideSupportActionBar(Context context, boolean actionBar, boolean statusBar) {
if (actionBar) {
AppCompatActivity appCompatActivity = CommonUtil.getAppCompActivity(context);
if (appCompatActivity != null) {
ActionBar ab = appCompatActivity.getSupportActionBar();
if (ab != null) {
ab.setShowHideAnimationEnabled(false);
ab.hide();
}
}
}
if (statusBar) {
if (context instanceof FragmentActivity) {
FragmentActivity fragmentActivity = (FragmentActivity) context;
fragmentActivity.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
} else {
CommonUtil.getAppCompActivity(context).getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
}
}
}
public static void showSupportActionBar(Context context, boolean actionBar, boolean statusBar) {
if (actionBar) {
AppCompatActivity appCompatActivity = CommonUtil.getAppCompActivity(context);
if (appCompatActivity != null) {
ActionBar ab = appCompatActivity.getSupportActionBar();
if (ab != null) {
ab.setShowHideAnimationEnabled(false);
ab.show();
}
}
}
if (statusBar) {
if (context instanceof FragmentActivity) {
FragmentActivity fragmentActivity = (FragmentActivity) context;
fragmentActivity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
} else {
CommonUtil.getAppCompActivity(context).getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
}
}
}
public static void hideNavKey(Context context) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
// 设置屏幕始终在前面，不然点击鼠标，重新出现虚拟按键
((Activity) context).getWindow().getDecorView().setSystemUiVisibility(
View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_HIDE_NAVIGATION // hide nav
// bar
| View.SYSTEM_UI_FLAG_IMMERSIVE);
} else {
((Activity) context).getWindow().getDecorView().setSystemUiVisibility(
View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_HIDE_NAVIGATION // hide nav
);
}
}
public static void showNavKey(Context context, int systemUiVisibility) {
((Activity) context).getWindow().getDecorView().setSystemUiVisibility(systemUiVisibility);
}
/**
* Get AppCompatActivity from context
*
* @param context
* @return AppCompatActivity if it's not null
*/
public static AppCompatActivity getAppCompActivity(Context context) {
if (context == null) return null;
if (context instanceof AppCompatActivity) {
return (AppCompatActivity) context;
} else if (context instanceof ContextThemeWrapper) {
return getAppCompActivity(((ContextThemeWrapper) context).getBaseContext());
}
return null;
}
/**
* dip转为PX
*/
public static int dip2px(Context context, float dipValue) {
float fontScale = context.getResources().getDisplayMetrics().density;
return (int) (dipValue * fontScale + 0.5f);
}
/**
* 根据手机的分辨率从 px 的单位 转成为 dp
*/
public static int px2dip(Context context, float pxValue) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (pxValue / scale + 0.5f);
}
/**
* 获取屏幕的宽度px
*
* @param context 上下文
* @return 屏幕宽px
*/
public static int getScreenWidth(Context context) {
WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics outMetrics = new DisplayMetrics();// 创建了一张白纸
windowManager.getDefaultDisplay().getMetrics(outMetrics);// 给白纸设置宽高
return outMetrics.widthPixels;
}
/**
* 获取屏幕的高度px
*
* @param context 上下文
* @return 屏幕高px
*/
public static int getScreenHeight(Context context) {
WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics outMetrics = new DisplayMetrics();// 创建了一张白纸
windowManager.getDefaultDisplay().getMetrics(outMetrics);// 给白纸设置宽高
return outMetrics.heightPixels;
}
/**
* 下载速度文本
*/
public static String getTextSpeed(long speed) {
String text = "";
if (speed >= 0 && speed < 1024) {
text = speed + " KB/s";
} else if (speed >= 1024 && speed < (1024 * 1024)) {
text = Long.toString(speed / 1024) + " KB/s";
} else if (speed >= (1024 * 1024) && speed < (1024 * 1024 * 1024)) {
text = Long.toString(speed / (1024 * 1024)) + " MB/s";
}
return text;
}
public static void deleteFile(String filePath) {
File file = new File(filePath);
if (file.exists()) {
if (file.isFile()) {
file.delete();
} else {
String[] filePaths = file.list();
for (String path : filePaths) {
deleteFile(filePath + File.separator + path);
}
file.delete();
}
}
}
}