Add Android apk SDK source code

android

2024-07-25 2dcf9cc893a27c50d538baf8b5d47ff06fe495d8

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<?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" 
    xmlns:tools="http://schemas.android.com/tools" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    tools:context=".MainActivity" 
    android:orientation="vertical"> 
 
    <TextView 
        android:id="@+id/sample_text" 
        android:layout_width="wrap_content" 
        android:layout_height="wrap_content" 
        android:text="蜂鸣器" 
        android:textSize="40sp" 
        android:layout_marginTop="50dp" 
        android:layout_gravity="center"/> 
 
    <LinearLayout 
        android:layout_width="match_parent" 
        android:layout_height="wrap_content" 
        android:orientation="horizontal"> 
 
        <LinearLayout 
            android:layout_width="match_parent" 
            android:layout_height="wrap_content" 
            android:orientation="horizontal" 
            android:layout_marginLeft="100dp" 
            android:layout_marginRight="100dp"> 
            <LinearLayout 
                android:layout_width="0dp" 
                android:layout_weight="1" 
                android:layout_height="wrap_content" 
                android:orientation="horizontal" 
                android:layout_marginTop="50dp" 
                android:layout_marginLeft="150dp"> 
                <TextView 
                    android:layout_width="wrap_content" 
                    android:layout_height="wrap_content" 
                    android:text="周期(ns):" 
                    android:textSize="20sp" 
                    android:textColor="@color/black" 
                    /> 
                <EditText 
                    android:id="@+id/period" 
                    android:layout_width="200dp" 
                    android:layout_height="wrap_content" 
                    android:textSize="15sp" 
                    android:hint="1000000" 
 
                    android:textColor="@color/black" 
                    android:layout_marginLeft="10dp"/> 
            </LinearLayout> 
 
            <LinearLayout 
                android:layout_width="0dp" 
                android:layout_weight="1" 
                android:layout_height="wrap_content" 
                android:orientation="horizontal" 
                android:layout_marginTop="50dp"> 
                <TextView 
                    android:layout_width="wrap_content" 
                    android:layout_height="wrap_content" 
                    android:text="占空比(ns):" 
                    android:textSize="20sp" 
                    android:textColor="@color/black" 
                    /> 
                <EditText 
                    android:id="@+id/duty_cycle" 
                    android:layout_width="200dp" 
                    android:layout_height="wrap_content" 
                    android:textSize="15sp" 
                    android:hint="50000" 
                    android:textColor="@color/black" 
                    android:layout_marginLeft="10dp"/> 
            </LinearLayout> 
        </LinearLayout> 
 
    </LinearLayout> 
 
    <LinearLayout 
        android:layout_width="wrap_content" 
        android:layout_height="wrap_content" 
        android:layout_gravity="center" 
        android:layout_marginTop="20dp" 
        android:orientation="horizontal"> 
        <Button 
            android:id="@+id/play" 
            android:layout_width="wrap_content" 
            android:layout_height="wrap_content" 
            android:text="播放" 
            android:textSize="15sp" 
            /> 
 
        <Button 
            android:id="@+id/stop" 
            android:layout_width="wrap_content" 
            android:layout_height="wrap_content" 
            android:text="暂停" 
            android:textSize="15sp" 
            android:layout_marginLeft="100dp"/> 
    </LinearLayout> 
 
 
 
 
 
 
</LinearLayout>