package com.hdl.widget;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import android.support.annotation.NonNull;
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import android.util.Log;
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import java.util.List;
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/**
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* Created by JLChen on 2019/9/23
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*/
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public final class HDLUtlisXM {
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public static final int DEFAULT_OFFLINE_COLOR = 0xC8E9E9EC;
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public static String MAuthority_NAME = "com.hdl.widgetxm.fileprovider";
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public static final String CROP_TYPE_KEY = "Type";
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public static final String CROP_NAME_KEY = "FileName";
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public static final String CROP_RATIO_X_KEY = "ImageRatioX";
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public static final String CROP_RATIO_Y_KEY = "ImageRatioY";
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public static final String CROP_OUTPUT_Y_KEY = "ImageUotputY";
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private HDLUtlisXM() {
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throw new UnsupportedOperationException("u can't instantiate me...");
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}
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/**
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* dp转px
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*
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* @param dpValue dp值
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* @return px值
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*/
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public static int dp2px(Context context, final float dpValue) {
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final float scale = context.getResources().getDisplayMetrics().density;
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return (int) (dpValue * scale + 0.5f);
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}
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/**
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* px转dp
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*
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* @param pxValue px值
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* @return dp值
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*/
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public static int px2dp(Context context, final float pxValue) {
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final float scale = context.getResources().getDisplayMetrics().density;
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return (int) (pxValue / scale + 0.5f);
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}
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/**
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* Relaunch the application.
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*/
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public static void relaunchApp(Context mContext) {
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relaunchApp(mContext, false);
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}
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/**
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* Relaunch the application.
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*
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* @param isKillProcess True to kill the process, false otherwise.
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*/
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public static void relaunchApp(Context mContext, final boolean isKillProcess) {
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Intent intent = getLaunchAppIntent(mContext, mContext.getPackageName(), true);
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if (intent == null) {
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Log.e("AppUtils", "Didn't exist launcher activity.");
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return;
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}
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intent.addFlags(
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Intent.FLAG_ACTIVITY_NEW_TASK
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| Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_CLEAR_TASK
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);
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mContext.startActivity(intent);
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if (!isKillProcess) return;
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android.os.Process.killProcess(android.os.Process.myPid());
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System.exit(0);
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}
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private static Intent getLaunchAppIntent(Context mContext, final String packageName) {
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return getLaunchAppIntent(mContext, packageName, false);
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}
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private static Intent getLaunchAppIntent(Context mContext, final String packageName, final boolean isNewTask) {
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String launcherActivity = getLauncherActivity(mContext, packageName);
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if (!launcherActivity.isEmpty()) {
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Intent intent = new Intent(Intent.ACTION_MAIN);
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intent.addCategory(Intent.CATEGORY_LAUNCHER);
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ComponentName cn = new ComponentName(packageName, launcherActivity);
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intent.setComponent(cn);
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return isNewTask ? intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK) : intent;
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}
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return null;
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}
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private static String getLauncherActivity(Context mContext, @NonNull final String pkg) {
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Intent intent = new Intent(Intent.ACTION_MAIN, null);
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intent.addCategory(Intent.CATEGORY_LAUNCHER);
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intent.setPackage(pkg);
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PackageManager pm = mContext.getPackageManager();
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List<ResolveInfo> info = pm.queryIntentActivities(intent, 0);
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int size = info.size();
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if (size == 0) return "";
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for (int i = 0; i < size; i++) {
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ResolveInfo ri = info.get(i);
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if (ri.activityInfo.processName.equals(pkg)) {
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return ri.activityInfo.name;
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}
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}
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return info.get(0).activityInfo.name;
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}
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// /**
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// * 生成二维码，默认大小为500*500
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// *
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// * @param url 需要生成二维码的网址，也可以是文字
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// * @return bitmap
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// */
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// public static Bitmap createQRCode(String url) {
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// return createQRCode(url, 500);
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// }
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//
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// /**
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// * 生成二维码，默认大小为500*500
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// *
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// * @param url 需要生成二维码的网址，也可以是文字
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// * @param size 需要生成二维码的大小（）
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// * @return bitmap
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// */
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// public static Bitmap createQRCode(String url, int size) {
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// try {
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// Hashtable<EncodeHintType, String> hints = new Hashtable<>();
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// hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
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// BitMatrix bitMatrix = new QRCodeWriter().encode(url,
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// BarcodeFormat.QR_CODE, size, size, hints);
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// int[] pixels = new int[size * size];
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// for (int y = 0; y < size; y++) {
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// for (int x = 0; x < size; x++) {
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// if (bitMatrix.get(x, y)) {
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// pixels[y * size + x] = 0xff000000;
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// } else {
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// pixels[y * size + x] = 0xffffffff;
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// }
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//
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// }
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// }
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// Bitmap bitmap = Bitmap.createBitmap(size, size,
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// Bitmap.Config.ARGB_8888);
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// bitmap.setPixels(pixels, 0, size, 0, 0, size, size);
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// return bitmap;
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// } catch (WriterException e) {
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// e.printStackTrace();
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// return null;
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// }
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// }
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//
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// /**
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// * @param url 需要生成二维码的文字、网址等
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// * @param size 需要生成二维码的大小（）
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// * @param mBitmap logo文件
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// * @return bitmap
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// */
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// private static int IMAGE_HALFWIDTH = 50;//宽度值，影响中间图片大小
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//
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// public static Bitmap createQRCodeWithLogo(String url, Bitmap mBitmap) {
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// return createQRCodeWithLogo(url, 500, mBitmap);
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// }
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//
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// public static Bitmap createQRCodeWithLogo(String url, int size, Bitmap mBitmap) {
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// try {
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// IMAGE_HALFWIDTH = size / 10;
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// Hashtable<EncodeHintType, Object> hints = new Hashtable<>();
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// hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
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// /*
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// * 设置容错级别，默认为ErrorCorrectionLevel.L
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// * 因为中间加入logo所以建议你把容错级别调至H,否则可能会出现识别不了
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// */
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// hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
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// BitMatrix bitMatrix = new QRCodeWriter().encode(url,
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// BarcodeFormat.QR_CODE, size, size, hints);
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//
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// int width = bitMatrix.getWidth();//矩阵高度
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// int height = bitMatrix.getHeight();//矩阵宽度
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// int halfW = width / 2;
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// int halfH = height / 2;
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//
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// Matrix m = new Matrix();
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// float sx = (float) 2 * IMAGE_HALFWIDTH / mBitmap.getWidth();
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// float sy = (float) 2 * IMAGE_HALFWIDTH
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// / mBitmap.getHeight();
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// m.setScale(sx, sy);
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// //设置缩放信息
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// //将logo图片按martix设置的信息缩放
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// mBitmap = Bitmap.createBitmap(mBitmap, 0, 0,
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// mBitmap.getWidth(), mBitmap.getHeight(), m, false);
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//
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// int[] pixels = new int[size * size];
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// for (int y = 0; y < size; y++) {
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// for (int x = 0; x < size; x++) {
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// if (x > halfW - IMAGE_HALFWIDTH && x < halfW + IMAGE_HALFWIDTH
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// && y > halfH - IMAGE_HALFWIDTH
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// && y < halfH + IMAGE_HALFWIDTH) {
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// //该位置用于存放图片信息
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// //记录图片每个像素信息
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// pixels[y * width + x] = mBitmap.getPixel(x - halfW
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// + IMAGE_HALFWIDTH, y - halfH + IMAGE_HALFWIDTH);
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// } else {
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// if (bitMatrix.get(x, y)) {
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// pixels[y * size + x] = 0xff000000;
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// } else {
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// pixels[y * size + x] = 0xffffffff;
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// }
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// }
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// }
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// }
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// Bitmap bitmap = Bitmap.createBitmap(size, size,
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// Bitmap.Config.ARGB_8888);
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// bitmap.setPixels(pixels, 0, size, 0, 0, size, size);
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// return bitmap;
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// } catch (WriterException e) {
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// e.printStackTrace();
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// return null;
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// }
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// }
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}
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