第二十七天 Toast、Dialog

Toast與自定義Toast

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    private Button mButton;
    private Button mButton2;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mButton = (Button) findViewById(R.id.button);
        mButton2 = (Button) findViewById(R.id.button2);
        mButton.setOnClickListener(this);
        mButton2.setOnClickListener(this);
    }
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.button:
                Toast toast = Toast.makeText(getApplicationContext(), "Clicked Button", Toast.LENGTH_LONG);
                //富文本
                Spanned spanned = Html.fromHtml("我是一個<img src=''/><font color='#55ff'>Toast</font>", new Html.ImageGetter() {
                    @Override
                    public Drawable getDrawable(String source) {
                        Drawable drawable = getResources().getDrawable(R.mipmap.ic_launcher);
                        drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
                        return drawable;
                    }
                }, null);
                toast.setText(spanned);
                toast.show();
                toast.setGravity(Gravity.CENTER, 0, 0);//偏移距離
                break;
            case R.id.button2:
                Toast toast2=new Toast(getApplicationContext());
                LayoutInflater inflater=getLayoutInflater();
                View toastView=inflater.inflate(R.layout.mytoast_layout,null);
                toast2.setView(toastView);
                toast2.setDuration(Toast.LENGTH_LONG);
                toast2.show();
                break;
            default:
                break;
        }
    }
}

自定義Toast

Dialog

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    private Button mButton;
    private Button mButton2;
    private Button mButton3;
    private Button mButton4;
    private Button mButton5;
    private Button mButton6;
    private Button mButton7;
    private Button mButton8;
    private Button mButton9;
    private Calendar mCalendar;
    private Dialog mDialog;
    private String[] mSex={"男","女","其他"};
    private String sex;
    private String[] array={"第一條數據","第二條數據","第三條數據"};
    private String[] mHobby={"讀書","學習","寫字","看書"};
    private boolean[] mIsCheckedHobby=new boolean[mHobby.length];
    private StringBuffer hobby;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mButton= (Button) findViewById(R.id.button);
        mButton2= (Button) findViewById(R.id.button2);
        mButton3= (Button) findViewById(R.id.button3);
        mButton4= (Button) findViewById(R.id.button4);
        mButton5= (Button) findViewById(R.id.button5);
        mButton6= (Button) findViewById(R.id.button6);
        mButton7= (Button) findViewById(R.id.button7);
        mButton8= (Button) findViewById(R.id.button8);
        mButton9= (Button) findViewById(R.id.button9);
        mButton.setOnClickListener(this);
        mButton2.setOnClickListener(this);
        mButton3.setOnClickListener(this);
        mButton4.setOnClickListener(this);
        mButton5.setOnClickListener(this);
        mButton6.setOnClickListener(this);
        mButton7.setOnClickListener(this);
        mButton8.setOnClickListener(this);
        mButton9.setOnClickListener(this);
    }
    @Override
    public void onClick(View v) {
        switch (v.getId()){
            case R.id.button:
                showAlertDialog();
                break;
            case R.id.button2:
                showSelectDialog();
                break;
            case R.id.button3:
                showProgressDialog();
                break;
            case R.id.button4:
                showSingleChoiceDialog();
                break;
            case R.id.button5:
                showMultiChoiceDialog();
                break;
            case R.id.button6:
                showOwnDialog();
                break;
            case R.id.button7:
                showDateDialog();
                break; 
            case R.id.button8:
                showTimeDialog();
                break; 
            case R.id.button9:
                showPopupWindow();
                break;                 
            default:
                break;
        }
    }
    /**
     *
     * @param keyCode
     * @param event
     * @return 通過返回鍵返回
     */
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if(keyCode==KeyEvent.KEYCODE_BACK){
            if(mPopupWindow!=null&&mPopupWindow.isShowing()){
                mPopupWindow.dismiss();
                return true;
            }
        }
        return super.onKeyDown(keyCode, event);
    }
    /**
     *AlertDialog
     */
    public void showAlertDialog(){
        AlertDialog.Builder builder=new AlertDialog.Builder(MainActivity.this);
        builder.setIcon(R.mipmap.ic_launcher).setTitle("我是Dialog").setMessage("這是內容").setNegativeButton("Negative", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(getApplicationContext(),"點擊的是Negative",Toast.LENGTH_LONG).show();
            }
        }).setNeutralButton("Neutral", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(getApplicationContext(),"點擊的是Neutral",Toast.LENGTH_LONG).show();
            }
        }).setPositiveButton("Positive", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(getApplicationContext(),"點擊的是Positive",Toast.LENGTH_LONG).show();
            }
        });
        AlertDialog dialog=builder.create();
        dialog.show();
    }

    /**
     *多選一Dialog
     */
    public void showSelectDialog(){
        AlertDialog.Builder builder=new AlertDialog.Builder(MainActivity.this);
        builder.setTitle("多條選擇");
        builder.setItems(array, new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(getApplicationContext(),"選擇了第"+which+"個",Toast.LENGTH_LONG).show();
            }
        });
        AlertDialog dialog=builder.create();
        dialog.show();
    }

    /**
    *ProgressDialog
    */
    public void showProgressDialog(){
        ProgressDialog progressDialog=new ProgressDialog(MainActivity.this);
        progressDialog.setTitle("Progress Dialog");
        progressDialog.setMessage("Loding...");
        progressDialog.show();
    }

    /**
     *單選Dialog
     */
    public void showSingleChoiceDialog(){
        AlertDialog.Builder builder=new AlertDialog.Builder(MainActivity.this);
        builder.setTitle("選擇性別");
        builder.setSingleChoiceItems(mSex, 0, new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                sex=mSex[which];
                Toast.makeText(getApplicationContext(),"選擇的性別是"+mSex[which],Toast.LENGTH_LONG).show();
            }
        });
        builder.setNeutralButton("確定", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                mButton4.setText("您的性別是"+sex);
            }
        });
        builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {

            }
        });
        AlertDialog dialog=builder.create();
        dialog.show();
    }

    /**
     *多選Dialog
     */
    public void showMultiChoiceDialog(){
        AlertDialog.Builder builder=new AlertDialog.Builder(MainActivity.this);
        builder.setTitle("選擇愛好");
        builder.setMultiChoiceItems(mHobby, mIsCheckedHobby, new DialogInterface.OnMultiChoiceClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which, boolean isChecked) {
                mIsCheckedHobby[which]=isChecked;
            }
        });
        builder.setNeutralButton("確定", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                hobby=new StringBuffer();
                for(int i=0;i<mHobby.length;i++){
                    if(mIsCheckedHobby[i]){
                        hobby.append(mHobby[i]);
                    }
                }
                mButton5.setText("您的愛好是"+hobby);
            }
        });
        builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {

            }
        });
        AlertDialog dialog=builder.create();
        dialog.show();
    }
    /**
     * 自定義Dialog
     */
    public void showOwnDialog(){
        mDialog=new Dialog(MainActivity.this);
        LayoutInflater inflater=getLayoutInflater();
        View dialogView=inflater.inflate(R.layout.dialog_layout,null);
        TextView textView_title= (TextView) dialogView.findViewById(R.id.textview_title);
        TextView textView_message= (TextView) dialogView.findViewById(R.id.textview_message);
        Button button_cancel= (Button) dialogView.findViewById(R.id.button_cancel);
        Button button_ok= (Button) dialogView.findViewById(R.id.button_ok);
        textView_title.setText("這是標題");
        textView_message.setText("這是內容");
        button_cancel.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mDialog.dismiss();
            }
        });
        button_ok.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(MainActivity.this,"點擊了確定",Toast.LENGTH_LONG).show();
                mDialog.dismiss();
            }
        });
        mDialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
        mDialog.setContentView(dialogView);
        mDialog.show();
    }
    /**
     * 日期Dialog
     */
    public void showDateDialog(){
        mCalendar=Calendar.getInstance();
        DatePickerDialog dialog=new DatePickerDialog(MainActivity.this, new DatePickerDialog.OnDateSetListener() {
            @Override
            public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
                mCalendar.set(year,monthOfYear,dayOfMonth);
                SimpleDateFormat format=new SimpleDateFormat("yyyy年MM月dd日");
                Toast.makeText(getApplicationContext(),"得到造型後的日期"+format.format(mCalendar.getTime()),Toast.LENGTH_LONG).show();
            }
        },mCalendar.get(Calendar.YEAR),mCalendar.get(Calendar.MONTH),mCalendar.get(Calendar.DAY_OF_MONTH));
        dialog.show();
    }
     /**
     * 時間Dialog
     */
    public void showTimeDialog(){
        mCalendar=Calendar.getInstance();
        TimePickerDialog dialog=new TimePickerDialog(MainActivity.this, new TimePickerDialog.OnTimeSetListener() {
            @Override
            public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
                mCalendar.set(Calendar.HOUR,hourOfDay);
                mCalendar.set(Calendar.MINUTE,minute);
                SimpleDateFormat format=new SimpleDateFormat("yyyy年MM月dd日HH:mm");
                Toast.makeText(getApplicationContext(),"得到造型後的日期"+format.format(mCalendar.getTime()),Toast.LENGTH_LONG).show();
            }
        },mCalendar.get(Calendar.HOUR),mCalendar.get(Calendar.MINUTE),true);
        dialog.show();
    }
    /**
    *PopupWindowDialog 彈出框
    */
    public void showPopupWindow(){
        mPopupWindow=new PopupWindow(MainActivity.this);
        View popView=getLayoutInflater().inflate(R.layout.pop_layout,null);   mPopupWindow.setHeight(ViewGroup.LayoutParams.WRAP_CONTENT);     mPopupWindow.setWidth(ViewGroup.LayoutParams.MATCH_PARENT);
        mPopupWindow.setContentView(popView);
        mPopupWindow.setFocusable(false);
        mPopupWindow.setOutsideTouchable(true);//點擊邊框以外的部分返回
        mPopupWindow.showAsDropDown(mButton6);//在Button6的下方彈出（顯示）
    }
}

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自定義dialog

加工後：

 <style parent="@android:Theme.Dialog" name="NoDialogTitle">
        <item name="android:windowFrame">@null</item>
        <item name="android:windowNoTitle">true</item>
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowIsFloating">true</item>
        <item name="android:windowContentOverlay">@null</item>
    </style>

 public void showOwnDialog(){
        mDialog=new Dialog(MainActivity.this,R.style.NoDialogTitle);//去掉標題
        ...
        ...
//mDialog.requestWindowFeature(Window.FEATURE_NO_TITLE);//這一句可省略
        mDialog.setContentView(dialogView);
        mDialog.show();
    }

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">

<corners android:bottomLeftRadius="@dimen/corners"/>//設置左下角爲圓角,距離爲"@dimen/corners",這是在dimens中設置的
//(<corners android:radius="@dimen/corners"/>)：設置四個角都爲圓角

<solid android:color="#85edFF"/>//設置背景色
<stroke android:color="#ffffff" android:width="1dp"/>//設置邊框線的顏色及寬度
</shape>

設置圓角距離（大小）：

<resources>
<dimen name="corners">5dp</dimen>
</resources>

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日期Dialog：


時間Dialog：


PopupWindow：