122 lines
3.0 KiB
Plaintext
Executable File
122 lines
3.0 KiB
Plaintext
Executable File
package com.example.administrator.ximengjianyu.utils;
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import android.app.Activity;
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import android.app.ProgressDialog;
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import android.content.Context;
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import android.support.v4.app.FragmentActivity;
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import android.util.DisplayMetrics;
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import android.util.Log;
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import android.view.WindowManager;
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import java.util.ArrayList;
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import java.util.List;
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public class CoreUtil {
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//加载对话框
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private static ProgressDialog pd;
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private static float sDensity = 0;
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static List<FragmentActivity> list = new ArrayList<FragmentActivity>();
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/**
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* 把所有打开的activity加进集合
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* @param fActivity
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*/
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public void addToActivityList(FragmentActivity fActivity){
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if(!list.contains(fActivity)){
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list.add(fActivity);
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}
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}
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/**
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* 关闭activity集合
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*/
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public void finishActivityList(){
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Log.e("CoreUtl","activity集合大小-----》》"+list.size());
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for (int i = 0; i < list.size(); i++) {
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Log.e("CoreUtl","被关闭fragmentActivity-----》》"+list.get(i));
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list.get(i).finish();
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}
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list.clear();
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}
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/**
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* 关闭activity 并杀死进程。
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*/
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public void exitApp(){
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for (FragmentActivity activity : list) {
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activity.finish();
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Log.e("CoreUtl","exitApp:-----》》"+activity);
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}
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list.clear();
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Log.e("CoreUtl","android.os.Process.killProcess(android.os.Process.myPid());");
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//杀死进程
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android.os.Process.killProcess(android.os.Process.myPid());
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}
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/**
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* 开启加载提示对话款
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*/
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public void showProDialog(Context context) {
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if(pd == null ){
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pd = new ProgressDialog(context);
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pd.setMessage("加载中，请稍后...");
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pd.setCancelable(false);
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}
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if(pd.isShowing()){
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// pd.dismiss();
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return;
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}
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pd.show();
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}
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/**
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* 关闭加载提示对话款
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*/
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public void dismissProDialog() {
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if(pd != null ){
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pd.dismiss();
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}
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}
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/**
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* 将sp值转换为px值，保证文字大小不变
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* @param context
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* @param spValue
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* @return
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*/
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public int spToPixel(Context context, float spValue) {
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final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
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return (int) (spValue * fontScale + 0.5f);
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}
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/**
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* dp转换为像素
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* @param context
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* @param nDip
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* @return
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*/
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public static int dipToPixel(Context context, int nDip) {
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if (sDensity == 0) {
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final WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
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DisplayMetrics dm = new DisplayMetrics();
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wm.getDefaultDisplay().getMetrics(dm);
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sDensity = dm.density;
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}
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return (int) (sDensity * nDip);
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}
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/**
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* 获取屏幕 宽 高
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* @param activity
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* @return 数组 0 为宽度 1 为高度
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*/
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public int[] getDisplay(Activity activity){
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int[] display = new int[2];
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DisplayMetrics dm = new DisplayMetrics();
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activity.getWindowManager().getDefaultDisplay().getMetrics(dm);
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display[0] = dm.widthPixels;
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display[1] = dm.heightPixels;
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return display;
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}
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}
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