Android(安卓)小技巧之自定义 Dialog
16lz
2021-01-26
1. 自定义Dialog类
package com.epro.test.widget;import android.app.Dialog;import android.content.Context;import android.view.Gravity;import android.view.View;import android.view.Window;import android.view.WindowManager;import androidx.annotation.NonNull;import androidx.annotation.Nullable;/** * Created on 2019/11/25 15:34 * * @author Gong Youqiang */public class CustomDialog extends Dialog { private Window mWindow; public CustomDialog(@NonNull Context context) { super(context); } public CustomDialog(@NonNull Context context, int themeResId) { super(context, themeResId); } protected CustomDialog(@NonNull Context context, boolean cancelable, @Nullable OnCancelListener cancelListener) { super(context, cancelable, cancelListener); } public void setView(View view) { setContentView(view); } public void setView(int ID) { setContentView(ID); } public void setProperty(int x,int y,int w,int h) { mWindow = getWindow(); WindowManager.LayoutParams params = mWindow.getAttributes(); params.x = x; //设置对话框的位置，0为中间 params.y = y; params.width = w; params.height = h; params.alpha = 1.0f; //设置对话框的透明度,1f不透明 params.gravity = Gravity.CENTER; //设置显示在中间 mWindow.setAttributes(params); }}2. 给 Dialog 设置 Style，style.xml 添加
3. dialog 白色圆角背景。
<?xml version="1.0" encoding="utf-8"?> 4. dialog 的使用
import android.os.Bundle;import android.view.View;import androidx.appcompat.app.AppCompatActivity;import com.epro.test.widget.CustomDialog;import butterknife.ButterKnife;import butterknife.OnClick;public class MainActivity extends AppCompatActivity { private static final String TAG = "MainActivity"; private CustomDialog mDialog; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ButterKnife.bind(this); } @OnClick(R.id.button) public void onViewClicked() { showDialog(); } private void showDialog() { mDialog = new CustomDialog(this,R.style.customDialog); View view = View.inflate(this, R.layout.dialog_submit,null); mDialog.setView(view); mDialog.setProperty(0,0,800,600); mDialog.setCanceledOnTouchOutside(true); mDialog.show(); } @Override protected void onDestroy() { super.onDestroy(); }}更多相关文章
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