93 lines
3.0 KiB
Java
93 lines
3.0 KiB
Java
package cn.nahco3awa.naouc;
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import static android.widget.Toast.LENGTH_LONG;
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import android.content.Context;
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import android.os.Environment;
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import android.widget.Toast;
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import androidx.annotation.NonNull;
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import androidx.appcompat.app.AlertDialog;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.io.Writer;
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public class MyCrashHandler implements Thread.UncaughtExceptionHandler {
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private Thread.UncaughtExceptionHandler mDefaultHandler;
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private Context mcontext;
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private static MyCrashHandler myCrashHandler;
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private MyCrashHandler() {}
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public static synchronized MyCrashHandler newInstance() {
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if (myCrashHandler == null)
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myCrashHandler = new MyCrashHandler();
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return myCrashHandler;
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}
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public void init(Context context) {
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mcontext = context;
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mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
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Thread.setDefaultUncaughtExceptionHandler(this);
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}
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@Override
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public void uncaughtException(@NonNull Thread t, Throwable e) {
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new AlertDialog.Builder(mcontext)
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.setTitle("未捕获的异常！")
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.setMessage(e.getMessage())
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.show();
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Toast.makeText(mcontext, e.getMessage(), LENGTH_LONG).show();
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if (!handleExample(e) && mDefaultHandler != null) {
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mDefaultHandler.uncaughtException(t, e);
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} else {
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try {
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Thread.sleep(3000);
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} catch (InterruptedException e1) {
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e1.printStackTrace();
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}
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android.os.Process.killProcess(android.os.Process.myPid());
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System.exit(1);
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}
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}
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private boolean handleExample(Throwable ex) {
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if(ex == null)
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return false;
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saveCrashInfoToFile(ex);
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return true;
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}
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private void saveCrashInfoToFile(Throwable ex) {
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Writer writer = new StringWriter();
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PrintWriter printWriter = new PrintWriter(writer);
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ex.printStackTrace(printWriter);
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Throwable exCause = ex.getCause();
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while (exCause != null) {
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exCause.printStackTrace(printWriter);
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exCause = exCause.getCause();
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}
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printWriter.close();
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long timeMillis = System.currentTimeMillis();
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String fileName = "crash-" + timeMillis + ".log";
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if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
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String path = "/storage/emulated/0/crash_logInfo/";
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File fl = new File(path);
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if (!fl.exists()) {
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boolean ignored = fl.mkdirs();
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}
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try {
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FileOutputStream fileOutputStream = new FileOutputStream(path + fileName);
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fileOutputStream.write(writer.toString().getBytes());
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fileOutputStream.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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} |