Android Debug2012/4

DebugEclipse(snippetslog)()AlertDialogToastAndroidManifest.xml

Android DebugEclipseLogCatConsole, ProblemsLogcatToastAlterDialog log+LogCatTryCatch

EclipseConsole, Problems

EclipseLogCat1

EclipseLogCatLogCatConsoleJava Code

?

Eclipse

-ToastToast.makeText(this, , Toast.LENGTH_SHORT).show();

- AlterDialognew AlertDialog.Builder(this) .setTitle(") .setMessage() .setPositiveButton("",new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub } }) .show();import android.app.AlertDialog;import android.content.DialogInterface;

log+LogCat(Verbose)(Debug)(Info)(Warning)(Error)

log+LogCatLog v, d, i, w, e()vdLogCat Tag LogCat Message Log.v("MyMessage", "This line was executed.");Log.e("MyMessage", "submit is null.");import android.util.Log;

log+LogCat

log+LogCatLogCat

TryCatchtry{

}catch(Exception e){ Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();

}

breakpoint

Display

CTRL + SHIFT + DCTRL + SHIFT + DDisplayF6

ALT + SHIFT + ALT +SHIFT +

import android.os.Debug;WRITE_EXTERNAL_STORAGE permissionDebug.startMethodTracing( "traceFileName" ); Debug.stopMethodTracing( );adb pull /sdcard/traceFileName.trace .

traceview \traceFileName.tracesdcard

traceview \traceFileName.trace1.Name: 2.Incl:inclusive 3.Inclusive: . 4.Excl: 5.Exclusive: 6.Calls+Recur Calls/Total: 7.Time/Call: (ms)