android自定义进度条移动效果
作者:liuye066
这篇文章主要为大家详细介绍了android自定义进度条移动效果,进度数字随进度移动,文中示例代码介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们可以参考一下
本文实例为大家分享了android实现进度条移动效果的具体代码,供大家参考,具体内容如下
自定义进度条,效果如下:
CustomViewActivity.java
public class CustomViewActivity extends Activity { private static final String TAG = "CustomViewActivity"; private TextView tv_schedule; private View view; private ProgressBar progressBar; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_custom_view); initView(); } private void initView() { initProgressView(); } private void initProgressView() { tv_schedule = findViewById(R.id.tv_schedule); view = findViewById(R.id.view); progressBar = findViewById(R.id.progressbar); int finishSpeed = 2; Log.d(TAG,"finishSpeed="+finishSpeed); float speedPer = ((float) finishSpeed)/8*100; Log.d(TAG,"speedPer="+speedPer); tv_schedule.setText(speedPer+"%"); progressBar.setProgress((int)speedPer); setTextViewWidth(tv_schedule,view,speedPer); } private void setTextViewWidth(TextView textView,View view,float speed) { Paint paint = new Paint(); float textWidth = paint.measureText(textView.getText().toString()); Log.d(TAG,"textWidth="+textWidth); LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) textView.getLayoutParams(); LinearLayout.LayoutParams params1 = (LinearLayout.LayoutParams) view.getLayoutParams(); if (textWidth > speed) { params.weight = textWidth; params1.weight = 100 - textWidth; } else { params.weight = speed; params1.weight = 100 - speed; } } }
activity_custom_view.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".custom.CustomViewActivity"> <LinearLayout android:layout_marginTop="20px" android:layout_marginHorizontal="30px" android:layout_width="match_parent" android:layout_height="wrap_content"> <TextView android:text="进度:" android:layout_width="wrap_content" android:layout_height="wrap_content"/> <RelativeLayout android:layout_weight="4" android:layout_width="0dp" android:layout_height="wrap_content"> <ProgressBar android:id="@+id/progressbar" style="@android:style/Widget.ProgressBar.Horizontal" android:max="100" android:progress="50" android:progressDrawable="@drawable/progress_drawable" android:layout_width="match_parent" android:layout_height="wrap_content"/> <LinearLayout android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="wrap_content"> <TextView android:id="@+id/tv_schedule" android:text="" android:gravity="center_horizontal" android:layout_weight="1" android:layout_width="0dp" android:layout_height="wrap_content"/> <View android:id="@+id/view" android:layout_weight="1" android:layout_width="0dp" android:layout_height="20px"/> </LinearLayout> </RelativeLayout> </LinearLayout> </LinearLayout>
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。