lab.sodino.errorreport.ActOccurError.java
package lab.sodino.errorreport;
import java.io.File;
import java.io.FileInputStream;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
public class ActOccurError extends Activity {
private SoftApplication softApplication;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
softApplication = (SoftApplication) getApplication();
// 一开始进入程序恢复为"need2Exit=false"。
softApplication.setNeed2Exit(false);
Log.d("ANDROID_LAB", "ActOccurError.onCreate()");
Button btnMain = (Button) findViewById(R.id.btnThrowMain);
btnMain.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
Log.d("ANDROID_LAB", "Thread.main.run()");
int i = 0;
i = 100 / i;
}
});
Button btnChild = (Button) findViewById(R.id.btnThrowChild);
btnChild.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
new Thread() {
public void run() {
Log.d("ANDROID_LAB", "Thread.child.run()");
int i = 0;
i = 100 / i;
}
}.start();
}
});
// 处理记录于error.log中的异常
String errorContent = getErrorLog();
if (errorContent != null) {
Intent intent = new Intent(this, ActErrorReport.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.putExtra("error", errorContent);
intent.putExtra("by", "error.log");
startActivity(intent);
}
}
public void onStart() {
super.onStart();
if (softApplication.need2Exit()) {
Log.d("ANDROID_LAB", "ActOccurError.finish()");
ActOccurError.this.finish();
} else {
// do normal things
}
}
/**
* 读取是否有未处理的报错信息。<br/>
* 每次读取后都会将error.log清空。<br/>
*
* @return 返回未处理的报错信息或null。
*/
private String getErrorLog() {
File fileErrorLog = new File(SoftApplication.PATH_ERROR_LOG);
String content = null;
FileInputStream fis = null;
try {
if (fileErrorLog.exists()) {
byte[] data = new byte[(int) fileErrorLog.length()];
fis = new FileInputStream(fileErrorLog);
fis.read(data);
content = new String(data);
data = null;
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (fis != null) {
fis.close();
}
if (fileErrorLog.exists()) {
fileErrorLog.delete();
}
} catch (Exception e) {
e.printStackTrace();
}
}
return content;
}
}
