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
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>
--结束END--
本文标题: android自定义进度条移动效果
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