AppUtils.java

package com.hpw.mvpframe.utils;

import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Environment;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;

import java.io.File;

public class AppUtils {

    /**
     * 获取版本名称
     */
    public static String getAppVersionName(Context context) {
        String versionName = "";
        try {
            // ---get the package info---
            PackageManager pm = context.getPackageManager();
            PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);
            versionName = pi.versionName;
            if (versionName == null || versionName.length() <= 0) {
                return "";
            }
        } catch (Exception e) {
            Log.e("VersionInfo", "Exception", e);
        }
        return versionName;
    }

    /**
     * 获取版本号
     */
    public static int getAppVersionCode(Context context) {
        int versioncode = -1;
        try {
            // ---get the package info---
            PackageManager pm = context.getPackageManager();
            PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);
            versioncode = pi.versionCode;
        } catch (Exception e) {
            Log.e("VersionInfo", "Exception", e);
        }
        return versioncode;
    }

    public static String getIMEI(Context context) {
        TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
        return tm.getDeviceId();
    }

    /**
     * 显示软键盘
     */
    public static void openSoftInput(EditText et) {
        InputMethodManager inputMethodManager = (InputMethodManager) et.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
        inputMethodManager.showSoftInput(et, InputMethodManager.HIDE_NOT_ALWAYS);
    }

    /**
     * 隐藏软键盘
     */
    public static void hideSoftInput(EditText et) {
        InputMethodManager inputMethodManager = (InputMethodManager) et.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
        inputMethodManager.hideSoftInputFromWindow(et.getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
    }

    /**
     * 获取SD卡路径
     *
     * @return 如果sd卡不存在则返回null
     */
    public static File getSDPath() {
        File sdDir = null;
        boolean sdCardExist = Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED);   //判断sd卡是否存在
        if (sdCardExist) {
            sdDir = Environment.getExternalStorageDirectory();//获取跟目录
        }
        return sdDir;
    }

    /**
     * 安装文件
     *
     * @param data
     */
    public static void promptInstall(Context context, Uri data) {
        Intent promptInstall = new Intent(Intent.ACTION_VIEW)
                .setDataAndType(data, "application/vnd.android.package-archive");
        // FLAG_ACTIVITY_NEW_TASK 可以保证安装成功时可以正常打开 app
        promptInstall.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(promptInstall);
    }

    public static void copy2clipboard(Context context, String text) {
        ClipboardManager cm = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
        ClipData clip = ClipData.newPlainText("clip", text);
        cm.setPrimaryClip(clip);
    }

}