Android ProgressBar怎么实现进度条效果

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具体效果如下

XML布局

<RelativeLayout xmlns:android="Http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent">     <TextView        android:textSize="20sp"        android:layout_marginTop="30dp"        android:layout_centerHorizontal="true"        android:text="设置当前进度固定不可拖动"        android:layout_width="wrap_content"        android:layout_height="wrap_content" />     <LinearLayout        android:id="@+id/full"        android:layout_centerInParent="true"        android:orientation="vertical"        android:layout_width="match_parent"        android:layout_height="60dp">         <TextView            android:id="@+id/progesss_value1"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:background="#DDD"            android:gravity="center"            android:paddingBottom="8dp"            android:paddingLeft="4dp"            android:paddingRight="4dp"            android:paddingTop="2dp"            android:textColor="@android:color/white"            android:textSize="12sp"            android:text="20%" />        <ProgressBar            android:layout_gravity="center_horizontal"            android:id="@+id/progesss1"                        android:layout_width="330dp"            android:layout_height="wrap_content"            android:background="@drawable/myprogressbar"            android:indeterminateDrawable="@android:drawable/progress_indeterminate_horizontal"            android:indeterminateOnly="false"            android:max="100"            android:maxHeight="50dp"            android:minHeight="16dp"            android:progress="20"            android:progressDrawable="@drawable/myprogressbar" />    </LinearLayout> </RelativeLayout>

myprogressbar布局

<?xml version="1.0" encoding="utf-8"?><layer-list xmlns:android="http://schemas.android.com/apk/res/android">    <item android:id="@android:id/background">        <shape>            <corners android:radius="10dip" />            <gradient                android:angle="45"                android:endColor="#EAEAEA"                android:startColor="#EAEAEA" />        </shape>    </item>     <item android:id="@android:id/progress">        <clip>            <shape>                <corners android:radius="10dip" />                <gradient                    android:angle="45"                    android:centerColor="#2FD2B3"                    android:endColor="#30C0D0"                    android:startColor="#2EE28B" />            </shape>        </clip>    </item> </layer-list>

MainActivity

public class MainActivity extends AppCompatActivity {     private ProgressBar progesss;    private TextView progesssValue;    private LinearLayout full;     @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);          progesss = (ProgressBar) findViewById(R.id.progesss1);        progesssValue = (TextView) findViewById(R.id.progesss_value1);        full = (LinearLayout) findViewById(R.id.full);         initview();    }     private void initview() {         progesss.setProgress(66);        progesssValue.setText(new StringBuffer().append(progesss.getProgress()).append("%"));         setPosWay1();//        ToastUtil.showToast("进度为66");//        Toast.makeText(this,"进度为:--66",Toast.LENGTH_SHORT).show();         //        full.setOnTouchListener(new View.OnTouchListener() {////            @Override//            public boolean onTouch(View v, MotionEvent event) {//                int w = getWindowManager().getDefaultDisplay().getWidth();//                switch (event.getAction()) {//                    case MotionEvent.ACTION_DOWN://                        x1 = (int) event.getRawX();//                        progesss.setProgress(100 * x1 / w);//                        setPos();//                        break;//                    case MotionEvent.ACTION_MOVE://                        x2 = (int) event.getRawX();//                        dx = x2 - x1;//                        if (Math.abs(dx) > w / 100) { //改变条件 调整进度改变速度//                            x1 = x2; // 去掉已经用掉的距离， 去掉这句 运行看看会出现效果//                            progesss.setProgress(progesss.getProgress() + dx * 100 / w);//                            setPos();//                        }//                        break;//                    case MotionEvent.ACTION_UP://                        break;//                }//                return true;//            }//        });      }      @Override    public void onWindowFocusChanged(boolean hasFocus) {        super.onWindowFocusChanged(hasFocus);        if (hasFocus) {            setPos();        }    }    private void setPosWay1() {        progesssValue.post(new Runnable() {            @Override            public void run() {                setPos();            }        });    }         public void setPos() {        int w = getWindowManager().getDefaultDisplay().getWidth();        Log.e("w=====", "" + w);        ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams) progesssValue.getLayoutParams();        int pro = progesss.getProgress();        int tW = progesssValue.getWidth();        if (w * pro / 100 + tW * 0.3 > w) {            params.leftMargin = (int) (w - tW * 1.1);        } else if (w * pro / 100 < tW * 0.7) {            params.leftMargin = 0;        } else {            params.leftMargin = (int) (w * pro / 100 - tW * 0.7);        }        progesssValue.setLayoutParams(params);     }}

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