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Android经常使用的五种弹出对话框

發布時間：2024/4/14 Android 32 豆豆

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? 一個Android開發中經常使用對話框的小樣例，共同擁有五種對話框：普通彈出對話框，單選對話框，多選對話框，輸入對話框及進度條樣式對話框：

以下是輸入內容的簡單布局activity_input.xml

代碼及凝視：

public class MainActivity extends Activity implements OnClickListener {
/**單選框模擬標題大學*/
private final static int CHECKED_ENU = 0;
/**單選框模擬標題 ?高中*/
private final static int CHECKED_SEL = 1;
/**單選框模擬標題 ?初中*/
private final static int CHECKED_CHU = 2;
/**復選button狀態為全選 */
private boolean[] checked = { true, true, true, false };
/**模擬的進度值 */
private int progressNumber;
/**進度對話框 */
private ProgressDialog progressDialog;
/**相應button*/
private Button commonBtn, radioBtn, checkBtn, inputBtn, progressBtn;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initViews();
initListeners();
}

/**初始化UI控件*/

private void initViews() {
this.commonBtn = (Button) findViewById(R.id.common_dialog);
this.radioBtn = (Button) findViewById(R.id.radio_dialog);
this.checkBtn = (Button) findViewById(R.id.check_dialog);
this.inputBtn = (Button) findViewById(R.id.input_dialog);
this.progressBtn = (Button) findViewById(R.id.progress_dialog);
}

/**注冊button監聽事件*/
private void initListeners() {
this.commonBtn.setOnClickListener(this);
this.radioBtn.setOnClickListener(this);
this.checkBtn.setOnClickListener(this);
this.inputBtn.setOnClickListener(this);
this.progressBtn.setOnClickListener(this);
}

/**普通對話框 */
private Dialog buildAlertDialog() {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setIcon(R.drawable.ic_launcher);
builder.setTitle("對話框");
builder.setMessage("您的password不正確!!");

ImageView imageView = new ImageView(this);
imageView.setImageResource(R.drawable.mm1);
/**設置背景圖片*/
builder.setView(imageView);
/**左邊button*/
builder.setPositiveButton("確定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
setTitle("您點擊的是左邊確定button!");
}
});
/**中間button*/
builder.setNeutralButton("詳情", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
setTitle("您點擊的是中間詳情button!");
}
});
/**右邊button*/
builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
setTitle("您點擊的是右邊取消button!");
}
});
return builder.create();
}

/**單選button彈出框 */
private Dialog buildAlertDialog_radio() {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setIcon(R.drawable.ic_launcher);
builder.setTitle("對話框");
/**單選button,默認高中被選中*/
builder.setSingleChoiceItems(new String[] { "大學", "高中", "初中", "小學" }, 1, new DialogInterface.OnClickListener() {

@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
switch (which) {
case CHECKED_ENU:
setTitle("大學");
break;
case CHECKED_SEL:
setTitle("高中");
break;
case CHECKED_CHU:
setTitle("初中");
break;
default:
setTitle("小學");
break;
}
}
});

builder.setPositiveButton("確定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
setTitle("您點擊的是左邊確定button!");
}
});
builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
setTitle("您點擊的是右邊取消button!");
}
});
return builder.create();
}

/**能夠多選button彈出框 */
private Dialog buildAlertDialog_checkbox() {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setIcon(R.drawable.ic_launcher);
builder.setTitle("對話框");
/**復選button*/
builder.setMultiChoiceItems(new String[] { "大學", "高中", "初中", "小學" }, checked, new DialogInterface.OnMultiChoiceClickListener() {

@Override
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
setTitle("which=" + which + "-----" + "isChecked=" + isChecked);
}
});

builder.setPositiveButton("確定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
setTitle("您點擊了確定button!");
}
});
builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
setTitle("您點擊的是了取消button!");
}
});
return builder.create();
}

/**含能夠輸入文本的彈出框 */
private Dialog buildAlertDialog_input() {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setIcon(R.drawable.ic_launcher);
builder.setTitle("對話框");
LayoutInflater inflater = LayoutInflater.from(this);
builder.setView(inflater.inflate(R.layout.activity_input, null));
builder.setPositiveButton("確定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
setTitle("您點擊的是確定button!");
}
});
builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
setTitle("您點擊的是取消button!");
}
});
return builder.create();
}

/**進度對話框 */
private Dialog buildAlertDialog_progress() {
progressDialog = new ProgressDialog(this);
progressDialog.setTitle("進度條");
progressDialog.setMessage("正在下載...........");
/**進度條樣式 */
progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
/**模糊效果 */
progressDialog.setIndeterminate(false);
return progressDialog;
}

/**每隔0.3秒更新一次進度 */
public void updateProgress() {
new Thread() {
@Override
public void run() {
try {
while (progressNumber <= 100) {
progressDialog.setProgress(progressNumber++);
Thread.sleep(300);
super.run();
}
/**下載完后，關閉下載框 */
progressDialog.cancel();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}.start();
}

@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.common_dialog:
buildAlertDialog().show();
break;
case R.id.radio_dialog:
buildAlertDialog_radio().show();
break;
case R.id.check_dialog:
buildAlertDialog_checkbox().show();
break;
case R.id.input_dialog:
buildAlertDialog_input().show();
break;
case R.id.progress_dialog:
buildAlertDialog_progress().show();
updateProgress();
break;
default:
break;
}
}
}

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