Android实现将应用崩溃信息发送给开发者并重启应用的方法

2019-12-10 18:53:16刘景俊

lab.sodino.errorreport.UEHandler.java

package lab.sodino.uncaughtexception;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.PrintStream;
import android.content.Intent;
import android.util.Log;
/**
 * @author Sodino E-mail:sodinoopen@hotmail.com
 * @version Time:2011-6-9 下午11:50:43
 */
public class UEHandler implements Thread.UncaughtExceptionHandler {
  private SoftApplication softApp;
  private File fileErrorLog;
  public UEHandler(SoftApplication app) {
    softApp = app;
    fileErrorLog = new File(SoftApplication.PATH_ERROR_LOG);
  }
  @Override
  public void uncaughtException(Thread thread, Throwable ex) {
    // fetch Excpetion Info
    String info = null;
    ByteArrayOutputStream baos = null;
    PrintStream printStream = null;
    try {
      baos = new ByteArrayOutputStream();
      printStream = new PrintStream(baos);
      ex.printStackTrace(printStream);
      byte[] data = baos.toByteArray();
      info = new String(data);
      data = null;
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      try {
        if (printStream != null) {
          printStream.close();
        }
        if (baos != null) {
          baos.close();
        }
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
    // print
    long threadId = thread.getId();
    Log.d("ANDROID_LAB", "Thread.getName()=" + thread.getName() + " id=" + threadId + " state=" + thread.getState());
    Log.d("ANDROID_LAB", "Error[" + info + "]");
    if (threadId != 1) {
      // 此处示例跳转到汇报异常界面。
      Intent intent = new Intent(softApp, ActErrorReport.class);
      intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
      intent.putExtra("error", info);
      intent.putExtra("by", "uehandler");
      softApp.startActivity(intent);
    } else {
      // 此处示例发生异常后,重新启动应用
      Intent intent = new Intent(softApp, ActOccurError.class);
      // 如果<span style="background-color: rgb(255, 255, 255); ">没有NEW_TASK标识且</span>是UI线程抛的异常则界面卡死直到ANR
      intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
      softApp.startActivity(intent);
      // write 2 /data/data/<app_package>/files/error.log
      write2ErrorLog(fileErrorLog, info);
      // kill App Progress
      android.os.Process.killProcess(android.os.Process.myPid());
    }
  }
  private void write2ErrorLog(File file, String content) {
    FileOutputStream fos = null;
    try {
      if (file.exists()) {
        // 清空之前的记录
        file.delete();
      } else {
        file.getParentFile().mkdirs();
      }
      file.createNewFile();
      fos = new FileOutputStream(file);
      fos.write(content.getBytes());
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      try {
        if (fos != null) {
          fos.close();
        }
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
  }
}