Android开发之Dialog对话框(弹框)工具类
公司项目里面扣出来的
我们来看下弹框效果
直接上代码
ScreenSizeUtils.javapackage 导入自己的包;
import android.content.Context;
import android.graphics.Point;
import android.view.Display;
import android.view.WindowManager;
/**
* 获取屏幕尺寸信息
*
*/
public class ScreenSizeUtils {
public static Point getScreenSizeInfo(Context context) {
WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
Display display = null;
if (manager != null) {
display = manager.getDefaultDisplay();
Point sizePoint = new Point();
display.getSize(sizePoint);
return sizePoint;
} else {
return null;
}
}
}LoadingDialog.javapackage 导入自己报名即可;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Point;
import android.text.TextUtils;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ProgressBar;
import android.widget.TextView;
import 导入自己报名.ScreenSizeUtils;
/**
* 加载进度条Dialog
*
* @author on 2018/9/17.
*/
public class LoadingDialog extends Dialog {
private LoadingDialog(Context context) {
super(context, R.style.loading_dialog_style);
}
public static class Builder {
private Context mContext;
private CharSequence mMessage;
private View mContentView;
private float mWidthPercent = 0.3f;
private float mHeightPercent = 0.3f;
private boolean mIsCancelable;
private boolean mIsOutsideCancelable;
private DialogInterface.OnCancelListener mCancelListener;
private DialogInterface.OnDismissListener mDismissListener;
public Builder(Context context) {
mContext = context;
}
public Builder setMessage(CharSequence message) {
mMessage = message;
return this;
}
public Builder setContentView(View view) {
mContentView = view;
return this;
}
/**
* 设置dialog宽
*
* @param widthPercent 占屏幕宽度百分比 0 - 1
* @return builder
*/
public Builder setWidthPercent(float widthPercent) {
mWidthPercent = widthPercent;
return this;
}
/**
* 设置dialog高
*
* @param heightPercent 占屏幕高度百分比 0 - 1
* @return builder
*/
public Builder setHeightPercent(float heightPercent) {
mHeightPercent = heightPercent;
return this;
}
public Builder setLoadingCancelable(boolean cancelable) {
mIsCancelable = cancelable;
return this;
}
public Builder setLoadingOutsideCancelable(boolean cancelable) {
mIsOutsideCancelable = cancelable;
return this;
}
public Builder setListener(DialogInterface.OnCancelListener cancelListener,
DialogInterface.OnDismissListener dismissListener) {
mCancelListener = cancelListener;
mDismissListener = dismissListener;
return this;
}
public LoadingDialog create() {
LoadingDialog loadingDialog = new LoadingDialog(mContext);
loadingDialog.setCancelable(mIsCancelable);
loadingDialog.setCanceledOnTouchOutside(mIsOutsideCancelable);
if (null != mCancelListener) {
loadingDialog.setOnCancelListener(mCancelListener);
}
if (null != mDismissListener) {
loadingDialog.setOnDismissListener(mDismissListener);
}
if (null != mContentView) {
loadingDialog.setContentView(mContentView);
} else {
View view = LayoutInflater.from(mContext).inflate(R.layout.dialog_loading, null);
ProgressBar loadingPB = (ProgressBar) view.findViewById(R.id.progress_loading);
TextView messageTV = (TextView) view.findViewById(R.id.tv_loading_message);
loadingPB.setIndeterminate(false);
messageTV.setText(TextUtils.isEmpty(mMessage) ? "加载中..." : mMessage);
loadingDialog.setContentView(view);
}
loadingDialog.show();
setWindow(loadingDialog);
return loadingDialog;
}
private void setWindow(LoadingDialog dialog) {
//获取对话框当前的参数值
Window window = dialog.getWindow();
if (null != window) {
WindowManager.LayoutParams lp = window.getAttributes();
lp.gravity = Gravity.CENTER;
//宽高可设置具体大小
Point point = ScreenSizeUtils.getScreenSizeInfo(mContext);
if (null != point) {
lp.width = (int) ((point.x) * mWidthPercent);
lp.height = (int) ((point.x) * mHeightPercent);
}
window.setAttributes(lp);
}
}
}
}
LoadingDialogUtils.javapackage 导入自己的包;
import android.content.Context;
import android.content.DialogInterface;
import 导入自己的包.LoadingDialog;
/**
* 加载进度条Dialog工具类
*
* @author xlg on 2018/9/17.
*/
public final class LoadingDialogUtils {
private static LoadingDialog mLoadingDialog;
/**
* 显示进度条Dialog
*
* @param context 上下文
*/
public static void showLoadingDialog(Context context) {
show(context, null, true, null, null);
}
/**
* 显示进度条Dialog
*
* @param context 上下文
* @param msg loading显示的message
*/
public static void showLoadingDialog(Context context, CharSequence msg) {
show(context, msg, true, null, null);
}
/**
* 显示进度条Dialog
*
* @param context 上下文
*/
public static void showLoadingDialog(Context context, boolean isCCancel) {
show(context, null, isCCancel, null, null);
}
/**
* 显示进度条Dialog
*
* @param context 上下文
* @param msg loading显示的message
*/
public static void showLoadingDialog(Context context, CharSequence msg, boolean isCCancel) {
show(context, msg, isCCancel, null, null);
}
/**
* 显示进度条Dialog
*
* @param context 上下文
* @param cancelListener 取消Dialog显示监听
* @param dismissListener Dialog消失监听
*/
public static void showLoadingDialog(Context context,
DialogInterface.OnCancelListener cancelListener,
DialogInterface.OnDismissListener dismissListener) {
show(context, null, true, cancelListener, dismissListener);
}
/**
* 显示进度条Dialog
*
* @param context 上下文
* @param cancelListener 取消Dialog显示监听
* @param dismissListener Dialog消失监听
*/
public static void showLoadingDialog(Context context, CharSequence msg,
DialogInterface.OnCancelListener cancelListener,
DialogInterface.OnDismissListener dismissListener) {
show(context, msg, true, cancelListener, dismissListener);
}
/**
* 显示进度条Dialog
*
* @param context 上下文
* @param cancelListener 取消Dialog显示监听
* @param dismissListener Dialog消失监听
*/
public static void showLoadingDialog(Context context, CharSequence msg, boolean isCCancel,
DialogInterface.OnCancelListener cancelListener,
DialogInterface.OnDismissListener dismissListener) {
show(context, msg, isCCancel, cancelListener, dismissListener);
}
/**
* 显示进度条Dialog
*
* @param context 上下文
* @param isCCancel 是否点击Dialog边缘取消Dialog
* @param cancelListener 取消Dialog显示监听
* @param dismissListener Dialog消失监听
*/
private static void show(Context context, CharSequence message, boolean isCCancel,
DialogInterface.OnCancelListener cancelListener,
DialogInterface.OnDismissListener dismissListener) {
mLoadingDialog = new LoadingDialog.Builder(context)
.setMessage(message)
.setLoadingCancelable(isCCancel)
.setLoadingOutsideCancelable(isCCancel)
.setListener(cancelListener, dismissListener)
.create();
}
/**
* 隐藏进度条Dialog
* 由于统一管理Dialog，注意Activity/Fragment生命周期对它的影响
*/
public static void hideLoadingDialog() {
if (null != mLoadingDialog) {
if (mLoadingDialog.isShowing()) {
mLoadingDialog.dismiss();
}
mLoadingDialog = null;
}
}
}