120 lines
4.4 KiB
Java
120 lines
4.4 KiB
Java
package com.xixun.xixunplayer;
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import android.content.Context;
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import android.os.Environment;
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import android.os.StatFs;
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import android.view.Gravity;
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import android.widget.Toast;
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import java.io.CharArrayWriter;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Random;
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import java.util.Set;
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import java.util.concurrent.CountDownLatch;
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import gnph.util.IOs;
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public class Util {
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public static boolean isScreenOn;
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public static final HashMap<Integer, String[]> stateDescs = new HashMap<>();
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static {
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stateDescs.put(1, new String[]{"Initialize", "初始化"});
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stateDescs.put(2, new String[]{"Schedules is over", "定时节目结束"});
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stateDescs.put(3, new String[]{"No programs waiting to be played", "无待播放的节目"});
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stateDescs.put(4, new String[]{"Delete program", "删除节目"});
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stateDescs.put(5, new String[]{"Program processing", "处理节目中"});
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stateDescs.put(6, new String[]{"Program Processed", "处理节目完成"});
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stateDescs.put(7, new String[]{"Program maybe error", "节目可能有误"});
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stateDescs.put(8, new String[]{"Screen-off", "关屏"});
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stateDescs.put(9, new String[]{"Program's area hasn't arrived yet", "定点节目不在范围"});
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}
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public static final String[] stateDescsUnknow = {"Unknown", "未知"};
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public static StringBuffer buf = new StringBuffer();
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public static Random rand = new Random();
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public static void println(String msg) {
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System.out.println(msg);
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buf.append(msg).append("\n");
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}
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public static void printStackTrace(Throwable e) {
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println(toStackTrace(e));
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}
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public static String toStr(Throwable e) {
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var traces = e.getStackTrace();
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var msg = e.toString();
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for(var trace : traces) if(trace.getClassName().startsWith("com.xixun.xixunplayer.")) {
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msg += "\n at "+trace.getFileName()+'.'+trace.getMethodName()+':'+trace.getLineNumber();
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}
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return msg;
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}
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public static String toStackTrace(Throwable e) {
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var out = new CharArrayWriter();
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var writer = new PrintWriter(out);
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e.printStackTrace(writer);
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writer.flush();
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return out.toString();
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}
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public static Toast makeText(Context context, CharSequence text) {
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var toast = Toast.makeText(context, text, Toast.LENGTH_LONG);
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toast.setGravity(Gravity.TOP | Gravity.LEFT, 0, 0);
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return toast;
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}
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public static String[] getState(int state) {
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var descs = stateDescs.get(state);
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return descs!=null ? descs : stateDescsUnknow;
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}
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public static String programDir, backImgFile;
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public static String getCardId() {
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try {
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var bytes = IOs.readBytesClose(new FileInputStream(new File("/data/joey/signed/card.id")));
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if(bytes.length < 40) return "";
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byte[] cMyKey = new byte[]{97, 119, 38, 3, 46, 112, 36, 93, 58, 100, 103, 62, 115, 112, 114, 51, 43, 61, 2, 101, 119};
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for(int i=0; i<20; ++i) bytes[i] = (byte) (bytes[i * 2] - cMyKey[i] - i - (bytes[i * 2 + 1] - 3));
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var cardId = new String(bytes);
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if(cardId.length() > 13) cardId = cardId.substring(0, 13);
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return cardId;
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} catch (IOException e) {
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printStackTrace(e);
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return "";
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}
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}
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public static void deleteFiles(long proSize, Set<String> keeps) {
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var statFs = new StatFs(Environment.getExternalStorageDirectory().getPath());
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var remain = statFs.getAvailableBytes() - proSize - 1048576;
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if(remain >= 0) return;
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var latch = new CountDownLatch(1);
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MainActivity.ins.runOnUiThread(() -> {
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System.out.println("stopProg ...");
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MainActivity.ins.stopProg();
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latch.countDown();
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});
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var files = new File(Util.programDir).listFiles();
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if(files == null) return;
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Arrays.sort(files, (f1, f2) -> (int) (f1.lastModified() - f2.lastModified()));
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try {
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latch.await();
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} catch (InterruptedException ignored) {}
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for(var file : files) {
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if(keeps!=null && keeps.contains(file.getName())) continue;
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var len = file.length();
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if(file.delete()) {
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remain += len;
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if(remain>=0) break;
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}
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}
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}
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}
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