Android超简单悬浮窗使用教程

allprojects {
	repositories {
		...
		Maven { url 'https://jitpack.io' }
	}
}

dependencies {
        ...
	implementation 'com.GitHub.1079374315:GSLS_Tool:v1.3.1.3'
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:Android="Http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">
 
    <!-- ConstraintLayout 必须要将对话框大小设置出来,解决设置最外层宽高无效的问题 -->
    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/view_bg"
        android:layout_width="300dp"
        android:layout_height="200dp"
        android:background="#5B77D5FF"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">
 
        <TextView
            android:id="@+id/tv_back"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:paddingLeft="10dp"
            android:paddingRight="10dp"
            android:text="×"
            android:textColor="#99FFFFFF"
            android:textSize="28sp"
            android:textStyle="bold"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent" />
 
        <TextView
            android:id="@+id/tv_data"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="#8D03B1FF"
            android:padding="10dp"
            android:text="简易自定义对话框\n支持返回数据\n支持监听返回键\n用法与 Fragment 毫无差异\n"
            android:textColor="#A4FFFFFF"
            android:textStyle="bold"
            app:layout_constraintBottom_toTopOf="@+id/btn_ok"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/tv_back" />
 
        <Button
            android:id="@+id/btn_ok"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="好的"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@+id/btn_cancel"
            app:layout_constraintStart_toStartOf="parent" />
 
        <Button
            android:id="@+id/btn_cancel"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="取消"
            app:layout_constraintBottom_toBottomOf="@+id/btn_ok"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toEndOf="@+id/btn_ok" />
 
    </androidx.constraintlayout.widget.ConstraintLayout>
 
 
</LinearLayout>

//加载布局
@GT.Annotations.GT_AnnotationDialogFragment(R.layout.demo_floating_window)
public class DemoFloatingWindow extends GT.GT_FloatingWindow.AnnotationFloatingWindow {
 
    @Override
    protected void initView(View view) {
        super.initView(view);
        setDrag(true);//设置可拖动
    }
 
    @GT.Annotations.GT_Click({R.id.btn_ok, R.id.tv_back, R.id.btn_cancel})
    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.btn_ok:
                GT.toast("单击了ok");
                break;
            case R.id.tv_back:
            case R.id.btn_cancel:
                finish();
                break;
        }
    }
 
}

//加载布局
@GT.Annotations.GT_AnnotationActivity(R.layout.activity_main)
public class MainActivity extends GT.GT_Activity.AnnotationActivity {
 
    @Override
    protected void initView(Bundle savedInstanceState) {
        super.initView(savedInstanceState);
 
        findViewById(R.id.btn_start).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startFloatingWindow(DemoFloatingWindow.class);//启动悬浮窗
            }
        });
 
    }
 
}