標籤:控制項 android
今日學習了Android常用的控制項
TextView
<TextView android:id="@+id/text_view" android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center" android:textSize="24sp" android:textColor="#00ff00" android:text="This is TextView" />
2.Button
<Button android:id="@+id/button" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Button" />
3.EditText
<EditText android:id="@+id/edit_text" android:layout_width="match_parent" android:layout_height="wrap_content"android:hint="Type something here"android:maxLines="2" />
4.ImageView
<ImageView android:id="@+id/image_view" android:layout_width="match_parent" android:layout_height="wrap_content" android:src="@drawable/ic_launcher" />
5.ProgressBar
<ProgressBar android:id="@+id/progress_bar" android:layout_width="match_parent" android:layout_height="wrap_content" style = "?android:attr/progressBarStyleHorizontal" android:max="100" />
6.AlertDialog
AlertDialog.Builder dialog = new AlertDialog.Builder(this);dialog.setTitle("This is Dialog");dialog.setMessage("Something important.");dialog.setCancelable(false);dialog.setPositiveButton("OK", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {// TODO 自動產生的方法存根}});dialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface arg0, int arg1) {// TODO 自動產生的方法存根}});dialog.show();
7.ProgressDialog
ProgressDialog progressDialog = new ProgressDialog(this);progressDialog.setTitle("This is ProgressDialog");progressDialog.setMessage("Loading...");progressDialog.setCancelable(true);progressDialog.show();
常用屬性可查。
android 自學筆記