自定义的Dialog

最新推荐文章于 2024-09-19 10:18:08 发布

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最新推荐文章于 2024-09-19 10:18:08 发布

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本文链接：https://blog.youkuaiyun.com/qq_30543115/article/details/60141628

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网上很多，只是为了日后自己开发方便。不需要的可以自动忽略哈

package com.yundiankj.userdefineddialog;

import android.app.Activity;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.text.Editable;
import android.text.Selection;
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.EditText;
import android.widget.PopupWindow;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity implements View.OnClickListener{

    private Activity mActivity;

    private Button btn_edit_name;

    //修改设备名称的popwindow
    private PopupWindow pop_edit_ble_name;
    private EditText et_ble_name;
    private TextView tv_ok;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mActivity=this;
        init();
    }

    private void init(){
        btn_edit_name= (Button) mActivity.findViewById(R.id.btn_edit_name);

        btn_edit_name.setOnClickListener(this);
    }

    @Override
    public void onClick(View view) {
        switch (view.getId()){
            case R.id.btn_edit_name:
                initEditBleNamePopupWindow();

                WindowManager.LayoutParams lp;
                //设置背景颜色变暗
                lp = mActivity.getWindow().getAttributes();
                lp.alpha = 0.5f;
                mActivity.getWindow().setAttributes(lp);
                pop_edit_ble_name.setAnimationStyle(R.style.PopupAnimation);
                pop_edit_ble_name.showAtLocation(mActivity.findViewById(R.id.lly_main), Gravity.CENTER | Gravity.CENTER_HORIZONTAL, 0, 0);
                pop_edit_ble_name.update();
                break;

        }
    }

    /**
     * 修改设备名称的popupwindow
     */
    private void initEditBleNamePopupWindow() {
        LayoutInflater inflater = LayoutInflater.from(mActivity);
        View edit_ble_name_layout = inflater.inflate(R.layout.pop_edit_ble_name, null);
        et_ble_name = (EditText) edit_ble_name_layout.findViewById(R.id.et_ble_name);
        tv_ok = (TextView) edit_ble_name_layout.findViewById(R.id.tv_ok);
        edit_ble_name_layout.invalidate();
        pop_edit_ble_name = new PopupWindow(edit_ble_name_layout, ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
        //实例化一个ColorDrawable颜色为半透明
        ColorDrawable dw = new ColorDrawable(0x00000000);
        //设置PopupWindow弹出窗体的背景
        pop_edit_ble_name.setBackgroundDrawable(dw);
        pop_edit_ble_name.setOutsideTouchable(true);
        pop_edit_ble_name.setFocusable(true);

        Editable etext = et_ble_name.getText();
        Selection.setSelection(etext, etext.length());//让光标在文字后面

        pop_edit_ble_name.setOnDismissListener(new PopupWindow.OnDismissListener() {
            @Override
            public void onDismiss() {
                WindowManager.LayoutParams lp = mActivity.getWindow().getAttributes();
                lp.alpha = 1;
                mActivity.getWindow().setAttributes(lp);
            }
        });

        tv_ok.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(mActivity, "确定", Toast.LENGTH_SHORT).show();
                pop_edit_ble_name.dismiss();
            }
        });
    }
}