安卓高级组件-----进度条

            <ProgressBar
            android:id="@+id/progressBar1"
            style="?android:attr/progressBarStyleHorizontal"
            android:layout_gravity="center_horizontal"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:max="100"
            android:layout_weight="1" />

        <ProgressBar
            android:id="@+id/progressBar2"
            style="?android:attr/progressBarStyleSmall"
            android:layout_gravity="center_horizontal"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1" />

        hp = (ProgressBar)findViewById(R.id.progressBar1);
        cp = (ProgressBar)findViewById(R.id.progressBar2);
        h = new Handler(){

            @Override
            public void handleMessage(Message msg) {
                if(msg.what == 0x11){
                    hp.setProgress(progress);
                }else {
                    Toast.makeText(MainActivity.this, "耗时完成", Toast.LENGTH_SHORT).show();        }
                    hp.setVisibility(View.GONE);
                    cp.setVisibility(View.GONE);                    
            }            
        };

    h = new Handler(){

        public void handleMessage(Message msg) {
            if(msg.what == 0x11){
                hp.setProgress(progress);
            }else {
                Toast.makeText(MainActivity.this, "耗时完成", Toast.LENGTH_SHORT).show();        }
                hp.setVisibility(View.GONE);
                cp.setVisibility(View.GONE);                    
        }            
    }

        new Thread(new Runnable() {
            
            @Override
            public void run() {
                while(true){
                    progress = doWork();
                    Message m = new Message();
                    if(progress <= 100){
                        m.what = 0x11;
                        h.sendMessage(m);
                    }else {
                        m.what = 0x10;
                        h.sendMessage(m);
                        break;
                    }
                }
                
            }
            
            private int doWork(){
                progress += Math.random()*10;
                try {
                    Thread.sleep(2000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                return progress;
            }
        }).start();