Android Dialog詳解及實(shí)例代碼
概述:
Android開(kāi)發(fā)中最常用的就是Dialog類,除了自定義dialog布局,最多的就是用在彈出對(duì)話框、進(jìn)度條、輸入框、單選、復(fù)選框。
1、選擇對(duì)話框:
AlertDialog.Builder dialog = new AlertDialog.Builder(this); dialog.setTitle("選擇對(duì)話框"); dialog.setMessage("請(qǐng)選擇確認(rèn)或取消"); dialog.setCancelable(false); //設(shè)置按下返回鍵不能消失 dialog.setPositiveButton("確認(rèn)", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(MainActivity.this, "您選擇了確認(rèn)", Toast.LENGTH_LONG).show(); } }); dialog.setNegativeButton("取消", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(MainActivity.this, "您選擇了取消", Toast.LENGTH_LONG).show(); } }); dialog.show();//顯示彈出窗口 2、進(jìn)度條
ProgressDialog progressDialog = new ProgressDialog(this); progressDialog.setTitle("顯示進(jìn)度條"); progressDialog.setMessage("加載中..."); progressDialog.setCancelable(true); progressDialog.show(); 3、彈出輸入框
AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle("彈出輸入框"); builder.setMessage("輸入內(nèi)容"); final EditText editText = new EditText(this); builder.setView(editText); builder.setPositiveButton("確定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(MainActivity.this, "您輸入了" + editText.getText().toString(), Toast.LENGTH_SHORT).show(); } }); builder.setNegativeButton("取消", null); builder.show(); 4、彈出單選框
final AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle("彈出單選框"); final String[] choice = new String[]{"Java", "C++", "PHP"}; builder.setSingleChoiceItems(choice, 0, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(MainActivity.this, "您選擇了" + choice[which], Toast.LENGTH_LONG).show(); dialog.dismiss(); // 讓窗口消失 } }); builder.create().show(); 5、彈出復(fù)選框
final AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle("彈出多選框"); final String[] choice = new String[]{"Android", "IOS", "Windos Phone"}; // 選擇項(xiàng) final boolean[] isCheck = new boolean[choice.length]; // 是否被選中 builder.setMultiChoiceItems(choice, null, new DialogInterface.OnMultiChoiceClickListener() { @Override public void onClick(DialogInterface dialog, int which, boolean isChecked) { if (isChecked == true) isCheck[which] = true; else if(isChecked == false) isCheck[which] = false; } }); builder.setNegativeButton("取消", null); builder.setPositiveButton("確定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { String isSelected = "您選擇了"; for (int i = 0; i < choice.length; i++) { if (isCheck[i] == true) { isSelected += choice[i]+","; // 將選擇的內(nèi)容加上 } } Toast.makeText(MainActivity.this, isSelected, Toast.LENGTH_LONG).show(); } }); builder.create(); builder.show();
6、自定義布局的Dialog
AlertDialog.Builder builder = new AlertDialog.Builder(this); final AlertDialog dialog = builder.create(); View view = View.inflate(this, R.layout.personal_modifyhead_dialog, null); dialog.setView(view, 0, 0, 0, 0);// 設(shè)置邊距為0,保證在2.x的版本上運(yùn)行沒(méi)問(wèn)題 dialog.show(); AutoRelativeLayout rl_photograph = (AutoRelativeLayout) view.findViewById(R.id.rl_photograph); rl_photograph.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { presenter.modiftHeadFromPhotograph(); dialog.dismiss(); } }); AutoRelativeLayout rl_album = (AutoRelativeLayout) view.findViewById(R.id.rl_album); rl_album.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { presenter.modifyHeadFromAlbum(); dialog.dismiss(); } }); 上面就是日常開(kāi)發(fā)中常用的一些,在此記錄,以便日后查詢。
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