我希望在我的应用程序中处理未处理的异常,而不需要使用任何第三方库。
因此,我编写了一段代码。
活动:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Thread.setDefaultUncaughtExceptionHandler(new ReportHelper(this));
throw new NullPointerException();
}
我的崩溃处理程序:
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.os.MessageQueue;
import android.widget.Toast;
/**
* Created by S-Shustikov on 08.06.14.
*/
public class ReportHelper implements Thread.UncaughtExceptionHandler {
private final AlertDialog dialog;
private Context context;
public ReportHelper(Context context) {
this.context = context;
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setMessage("Application was stopped...")
.setPositiveButton("Report to developer about this problem.", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
}
})
.setNegativeButton("Exit", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// Not worked!
dialog.dismiss();
System.exit(0);
android.os.Process.killProcess(android.os.Process.myPid());
}
});
dialog = builder.create();
}
@Override
public void uncaughtException(Thread thread, Throwable ex) {
showToastInThread("OOPS!");
}
public void showToastInThread(final String str){
new Thread() {
@Override
public void run() {
Looper.prepare();
Toast.makeText(context, "OOPS! Application crashed", Toast.LENGTH_SHORT).show();
if(!dialog.isShowing())
dialog.show();
Looper.loop();
}
}.start();
}
}
当我像你所看到的那样启动应用程序时,我抛出了NullPointerException。在我的处理逻辑中,Toast
被显示,并且对话框也被显示了。但是!对话框点击没有正确处理。我的意思是onClick
方法中的逻辑没有工作。问题出在哪里,我该如何解决?