The following code shows how to Change the look of the ProgressBar.
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <ProgressBar android:id="@+id/progressbar" android:layout_width="wrap_content" android:layout_height="wrap_content" style="@android:style/Widget.ProgressBar.Horizontal" /> </LinearLayout>
Java code
package com.java2s.myapplication3.app; /*from ww w .j a v a2 s .co m*/ import android.app.Activity; import android.os.Bundle; import android.os.Handler; import android.view.View; import android.widget.ProgressBar; public class MainActivity extends Activity { static int progress; ProgressBar progressBar; int progressStatus = 0; Handler handler = new Handler(); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); progress = 0; progressBar = (ProgressBar) findViewById(R.id.progressbar); progressBar.setMax(200); new Thread(new Runnable() { public void run() { while (progressStatus < 200) { progressStatus = doSomeWork(); handler.post(new Runnable() { public void run() { progressBar.setProgress(progressStatus); } }); } handler.post(new Runnable() { public void run() { progressBar .setVisibility(View.GONE); } }); } private int doSomeWork() { try { Thread.sleep(500); } catch (InterruptedException e) { e.printStackTrace(); } return ++progress; } }).start(); } }
Besides the horizontal style, you can also use the following constants: