android基类Dialog

import android.app.Dialog;
import android.content.Context;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.LayoutInflater;
import android.view.View;
import android.view.WindowManager;
import android.widget.BaseAdapter;

import com.xh.boke.R;

/**
* 自定义基类Dialog
* Created by Administrator on 2015/10/21 0021.
*/
public class BaseDialog extends Dialog {

protected Context mContext;
protected BaseAdapter mAdapter;
protected View convertView;
protected int resId;    //view
protected double percent; //屏幕宽度百分比

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
init();
}

public BaseDialog(Context context, int resId,double percent) {
super(context, R.style.common_custom_dialog);
this.mContext=context;
this.resId =resId;
this.percent = percent;
}

public BaseDialog(Context context, int resId,BaseAdapter adapter,double percent) {
super(context, R.style.common_custom_dialog);
this.mContext=context;
this.mAdapter = adapter;
this.resId =resId;
this.percent = percent;
}

protected void init() {
//设置布局
convertView = LayoutInflater.from(mContext).inflate(resId, null);
this.setContentView(convertView);

// 获取屏幕的宽高
WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics dm = new DisplayMetrics();
wm.getDefaultDisplay().getMetrics(dm);

WindowManager.LayoutParams p = getWindow().getAttributes(); // 获取对话框当前的参数值
p.width = (int) (dm.widthPixels * percent); // 宽度设置为屏幕的百分比
this.getWindow().setAttributes(p);
}
}

<resources>

<!-- dialog默认样式 -->
<style name="common_custom_dialog" parent="android:style/Theme.Dialog">
<item name="android:windowFrame">@null</item>
<item name="android:windowIsFloating">true</item>
<item name="android:windowIsTranslucent">true</item>
<item name="android:windowNoTitle">true</item>
<item name="android:background">@android:color/transparent</item>
<item name="android:windowBackground">@android:color/transparent</item>
<item name="android:backgroundDimEnabled">true</item>
<item name="android:backgroundDimAmount">0.6</item>
</style>

</resources>