今日学习了Android常用的控件

TextView

<TextViewandroid: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="ThisisTextView"/>

2.Button

<Buttonandroid:id="@+id/button"android:layout_width="match_parent"android:layout_height="wrap_content"android:text="Button"/>

3.EditText

<EditTextandroid:id="@+id/edit_text"android:layout_width="match_parent"android:layout_height="wrap_content"android:hint="Typesomethinghere"android:maxLines="2"/>

4.ImageView

<ImageViewandroid:id="@+id/p_w_picpath_view"android:layout_width="match_parent"android:layout_height="wrap_content"android:src="@drawable/ic_launcher"/>

5.ProgressBar

<ProgressBarandroid:id="@+id/progress_bar"android:layout_width="match_parent"android:layout_height="wrap_content"style="?android:attr/progressBarStyleHorizontal"android:max="100"/>

6.AlertDialog

AlertDialog.Builderdialog=newAlertDialog.Builder(this);dialog.setTitle("ThisisDialog");dialog.setMessage("Somethingimportant.");dialog.setCancelable(false);dialog.setPositiveButton("OK",newDialogInterface.OnClickListener(){@OverridepublicvoidonClick(DialogInterfacedialog,intwhich){//TODO自动生成的方法存根}});dialog.setNegativeButton("Cancel",newDialogInterface.OnClickListener(){@OverridepublicvoidonClick(DialogInterfacearg0,intarg1){//TODO自动生成的方法存根}});dialog.show();

7.ProgressDialog

ProgressDialogprogressDialog=newProgressDialog(this);progressDialog.setTitle("ThisisProgressDialog");progressDialog.setMessage("Loading...");progressDialog.setCancelable(true);progressDialog.show();

常用属性可查。