java - 锁屏上的透明对话框可回复 Whatsapp 等消息

Question

我正在尝试在 Android 中创建一个锁屏对话框通知，例如 Whatsapp 回复

这是我尝试过的

public void sendNotification(String msg, Intent i, String title)
    {
        mNotificationManager = (NotificationManager)
                context.getSystemService(Context.NOTIFICATION_SERVICE);

        String replyLabel = "Reply";
        RemoteInput remoteInput = new RemoteInput.Builder("KEY_REPLY")
                .setLabel(replyLabel)
                .build();

        PendingIntent contentIntent = PendingIntent.getActivity(context, 100, i,
                PendingIntent.FLAG_UPDATE_CURRENT);

        NotificationCompat.Action replyAction = new NotificationCompat.Action.Builder(
                R.drawable.ic_phone, replyLabel, contentIntent)
                .addRemoteInput(remoteInput)
                .setAllowGeneratedReplies(true)
                .build();

        NotificationCompat.Builder mBuilder =
                new NotificationCompat.Builder(context)
                        .setSmallIcon(R.drawable.ic_launcher)
                        .setLargeIcon(BitmapFactory.decodeResource(context.getResources(), R.drawable.ic_launcher))
                        .setContentTitle(title)
                        .setDefaults(Notification.DEFAULT_SOUND)
                        .setStyle(new NotificationCompat.BigTextStyle()
                                .bigText("Content Hidden"))
                        .setContentText(msg)
                        .addAction(replyAction)
                ;

        mBuilder.setContentIntent(contentIntent);
        mNotificationManager.cancel(Constants.PUSH_ID);
        mNotificationManager.notify(Constants.PUSH_ID, mBuilder.build());
}



                Intent myIntent = new Intent(MainActivity.this, NotificationActivity.class);                ApiManager.getInstance().mChatManager.sendNotification("message", myIntent, "Muhammad Umar");

为了使其看起来透明，我尝试过

<style name="Theme.CustomTranslucent" parent="android:style/Theme.Translucent">
    <item name="android:backgroundDimEnabled">true</item>
    <item name="android:backgroundDimAmount">0.5</item>
    <item name="android:windowAnimationStyle">@android:style/Animation.Dialog</item>
    <item name="android:background">@android:color/transparent</item>
</style>

但是我得到了结果

背景是暗白色的，我无法将其设置为透明。我的做法正确吗？为什么 Activity 不透明。

Answer 1

<style name="AppTheme.NoActionBar.Transparent">
        <item name="android:windowIsTranslucent">true</item>
        <item name="android:windowBackground">@color/transperent_green</item>
        <item name="android:windowContentOverlay">@null</item>
        <item name="android:backgroundDimEnabled">false</item>
    </style>

<color name="transperent_green">#CC07D1C8</color>


<activity
    android:name=".YourActivityName"
    android:screenOrientation="portrait"
    android:theme="@style/AppTheme.NoActionBar.Transparent"></activity>