Android progress bar

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Package com.malakana.dialog;

Import Android.os.Bundle;

Import Android.os.Handler;

Import Android.os.Message;

Import Android.util.Log;

Import Android.view.View;

Import Android.view.View.OnClickListener;

Import Android.widget.Button;

Import Android.annotation.SuppressLint;

Import android.app.Activity;

Import Android.app.Dialog;

Import Android.app.ProgressDialog;

public class Mainactivity extends Activity {

Final int progress_dialog = 0;

final int increase = 0;

ProgressDialog PD;

Handler HD;

@SuppressLint ("Handlerleak")

@Override

public void OnCreate (Bundle savedinstancestate) {

protected void OnCreate (Bundle savedinstancestate) {

Super.oncreate (savedinstancestate);

Setcontentview (R.layout.activity_main);

Button bOK = (button) Findviewbyid (R.id.button);

Bok.setonclicklistener (New Onclicklistener () {

@SuppressWarnings ("deprecation")

@Override

public void OnClick (View arg0) {

TODO auto-generated Method Stub

ShowDialog (Progress_dialog); Show dialog box

}

});

Create Handler

HD = new Handler () {

@Override

Overridden methods

public void Handlemessage (Message msg) {

public void Handlermessage (Message msg) {

Calling the parent class

Super.handlemessage (msg);

Determine what information is received

Switch (msg.what) {

The message received is increase

Case Increase:

Progress bar adds 1 each time

Pd.incrementprogressby (1);

Determine if it is greater than 100

if (pd.getprogress () >= 100) {

Pd.dismiss ();

}

Exit

Break

}

}

};

}

Create dialog box

@Override

Public Dialog oncreatedialog (int id) {

Judge ID

Switch (ID) {

Case Progress_dialog:

PD = new ProgressDialog (this);

Set the maximum value

Pd.setmax (100);

Pd.setprogressstyle (progressdialog.style_horizontal);

Set Title

Pd.settitle (R.string.title);

Pd.setcancelable (TRUE);

The Set Progress dialog box cannot be closed with the fallback button

Pd.setcancelable (FALSE);

LOG.D ("KKK", "KKK");

Break

}

return PD;

}

@SuppressWarnings ("deprecation")

@Override

A callback to dynamically update the contents of the dialog box each time a dialog box is popped

public void Onpreparedialog (int id, Dialog Dialog) {

Calling the parent class

Super.onpreparedialog (ID, Dialog);

Switch (ID) {

Case Progress_dialog:

dialog box Progress zeroing

Pd.incrementprogressby (-pd.getprogress ());

New Thread () {

public void Run () {

while (true) {

Hd.sendemptymessage (Increase);

if (pd.getprogress () >= 100) {

Break

}

try {

Thread.Sleep (40);

} catch (Exception e) {

E.printstacktrace ();

}

}

}

}.start ();

Break

}

}

}

Android progress bar