Android 封裝實現各種樣式對話方塊

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實現代碼

package com.jock.alertdialog;import android.app.Activity;import android.content.Context;import android.os.Bundle;import android.view.KeyEvent;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.view.inputmethod.InputMethodManager;import android.widget.EditText;import android.widget.Toast;/** * 精仿iOSAlertViewController控制項Demo */public class MainActivity extends Activity implements OnItemClickListener, OnDismissListener {    private AlertView mAlertView;//避免建立反覆View，先建立View。然後須要的時候show出來，推薦這個做法    private AlertView mAlertViewExt;//表單拓展範例    private EditText etName;//拓展View內容    private InputMethodManager imm;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        imm = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);        mAlertView = new AlertView("標題", "內容", "取消", new String[]{"確定"}, null, this, AlertView.Style.Alert, this).setCancelable(true).setOnDismissListener(this);        //拓展表單        mAlertViewExt = new AlertView("提示", "請完好你的設定檔！", "取消", null, new String[]{"完畢"}, this, AlertView.Style.Alert, this);        ViewGroup extView = (ViewGroup) LayoutInflater.from(this).inflate(R.layout.alertext_form,null);        etName = (EditText) extView.findViewById(R.id.etName);        etName.setOnFocusChangeListener(new View.OnFocusChangeListener() {            @Override            public void onFocusChange(View view, boolean focus) {                //輸入框出來則往上移動                boolean isOpen=imm.isActive();                mAlertViewExt.setMarginBottom(isOpen&&focus ? 120 :0);                System.out.println(isOpen);            }        });        mAlertViewExt.addExtView(extView);    }    public void alertShow1(View view) {        mAlertView.show();    }    public void alertShow2(View view) {        new AlertView("標題", "內容", null, new String[]{"確定"}, null, this, AlertView.Style.Alert, this).show();    }    public void alertShow3(View view) {        new AlertView(null, null, null, new String[]{"高亮button1", "高亮button2", "高亮button3"},                new String[]{"其它button1", "其它button2", "其它button3", "其它button4", "其它button5", "其它button6",                        "其它button7", "其它button8", "其它button9", "其它button10", "其它button11", "其它button12"},                this, AlertView.Style.Alert, this).show();    }    public void alertShow4(View view) {        new AlertView("標題", null, "取消", new String[]{"高亮button1"}, new String[]{"其它button1", "其它button2", "其它button3"}, this, AlertView.Style.ActionSheet, this).show();    }    public void alertShow5(View view) {        new AlertView("標題", "內容", "取消", null, null, this, AlertView.Style.ActionSheet, this).setCancelable(true).show();    }    public void alertShow6(View view) {        new AlertView("上傳頭像", null, "取消", null,                new String[]{"拍照", "從相冊中選擇"},                this, AlertView.Style.ActionSheet, this).show();    }    public void alertShowExt(View view) {        mAlertViewExt.show();    }    private void closeKeyboard() {        //關閉軟鍵盤        imm.hideSoftInputFromWindow(etName.getWindowToken(),0);        //恢複位置        mAlertViewExt.setMarginBottom(0);    }    @Override    public void onItemClick(Object o,int position) {        closeKeyboard();        //推斷是否是拓展表單View，並且點擊的是非取消button        if(o == mAlertViewExt && position != AlertView.CANCELPOSITION){            String name = etName.getText().toString();            if(name.isEmpty()){                Toast.makeText(this, "啥都沒填呢", Toast.LENGTH_SHORT).show();            }            else{                Toast.makeText(this, "hello,"+name, Toast.LENGTH_SHORT).show();            }            return;        }        Toast.makeText(this, "點擊了第" + position + "個", Toast.LENGTH_SHORT).show();    }    @Override    public void onDismiss(Object o) {        closeKeyboard();        Toast.makeText(this, "消失了", Toast.LENGTH_SHORT).show();    }    @Override    public boolean onKeyDown(int keyCode, KeyEvent event)    {        if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0)        {            if(mAlertView!=null && mAlertView.isShowing()){                mAlertView.dismiss();                return false;            }        }        return super.onKeyDown(keyCode, event);    }}

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Android 封裝實現各種樣式對話方塊