我想在服务中扩展 xml 布局。你怎么做到这一点？我尝试使用充气机和窗口管理器，但我认为它不起作用。这有什么战术吗？谢谢。
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent" android:layout_height="match_parent"
android:orientation="vertical"
android:id="@+id/main"
>
<LinearLayout
android:id="@+id/top"
android:layout_height="match_parent"
android:layout_width="match_parent"
android:layout_weight="1"
android:orientation="horizontal"
>
<FrameLayout
android:id="@+id/topLeft"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:tag="topLeft"
android:layout_weight="1.0"
android:background="#ff3d38"></FrameLayout>
<FrameLayout
android:id="@+id/topRight"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:tag="topRight"
android:layout_weight="1.0"
android:background="#fff839"></FrameLayout>
</LinearLayout>
<LinearLayout
android:layout_height="match_parent"
android:layout_width="match_parent"
android:layout_weight="1"
android:orientation="horizontal"
android:id="@+id/bottom"
>
<FrameLayout
android:id="@+id/bottomLeft"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1.0"
android:background="#1e22ff">
</FrameLayout>
<FrameLayout
android:id="@+id/bottomRight"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1.0"
android:background="#32ff1f"></FrameLayout>
这是我要显示的 xml 的服务代码。
package com.toksis.pvscreen;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.PixelFormat;
import android.os.IBinder;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
public class DragDropButtonMainService extends Service {
private LinearLayout main;
private LinearLayout firstLayer;
private LinearLayout secondLayer;
private FrameLayout vTopLeft;
private FrameLayout vTopRight;
private FrameLayout vBottomLeft;
private FrameLayout vBottomRight;
private Button mainButton;
private ViewGroup mView;
private LayoutInflater inflater;
public IBinder onBind(Intent intent) {
return null;
}
public void onCreate() {
super.onCreate();
createDragDropLayout();
}
void createDragDropLayout(){
mainButton = new Button(this);
mainButton.setText("Main");
WindowManager.LayoutParams params = new WindowManager.LayoutParams(
WindowManager.LayoutParams.WRAP_CONTENT,
WindowManager.LayoutParams.WRAP_CONTENT,
WindowManager.LayoutParams.TYPE_PHONE,
WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH
| WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH
| WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
PixelFormat.TRANSLUCENT
);
WindowManager wm = (WindowManager) getSystemService(WINDOW_SERVICE);
inflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mView = (ViewGroup) inflater.inflate(R.layout.dragdroplayout, null);
vTopLeft = (FrameLayout) mView.findViewById(R.id.topLeft);
vTopRight = (FrameLayout) mView.findViewById(R.id.topRight);
vBottomLeft = (FrameLayout) mView.findViewById(R.id.bottomLeft);
vBottomRight= (FrameLayout) mView.findViewById(R.id.bottomRight);
firstLayer = (LinearLayout) mView.findViewById(R.id.top);
secondLayer = (LinearLayout) mView.findViewById(R.id.bottom);
// main = (LinearLayout) mView.findViewById(R.id.main);
// main.addView(firstLayer);
// main.addView(secondLayer);
// firstLayer.addView(vTopLeft);
// firstLayer.addView(vTopRight);
// secondLayer.addView(vBottomLeft);
// secondLayer.addView(vBottomRight);
// wm.addView(mainButton, params);
wm.addView(mView,params);
Log.d("tok", "add mview");
}
}