Android 继承DialogFragment弹出dialog对话框二

之前写过一篇关于Android 继承DialogFragment弹出dialog对话框一，这次是在上次的基础上修改了一些东西，就是怎样在DialogFragment中获取getDialog()是获取当前对话框句柄。就可以进行布局可变的灵活操作。就像getactivity();一样使用。下面看代码。

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MainActivity

package com.example.fragmentdialogdemo;import com.example.fragmentdialogdemo.TestDialog.onTestListener;import android.os.Bundle;import android.support.v4.app.FragmentActivity;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends FragmentActivity implements OnClickListener,onTestListener {private String mstrName = "";private String mstrHigh = "";@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);initUI();}private void initUI() {Button buttonTest = (Button) findViewById(R.id.buttonTest);buttonTest.setOnClickListener(this);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {getMenuInflater().inflate(R.menu.main, menu);return true;}// 接口回调的函数@Overridepublic void onTestListener(int uniqueIdentifier, String strName,String strHigh) {if (uniqueIdentifier == 1) {Toast.makeText(getApplicationContext(),"姓名:" + strName + ",身高:" + strHigh, Toast.LENGTH_LONG).show();TextView textView1 = (TextView) findViewById(R.id.textView1);textView1.setText("姓名:" + strName + ",身高:" + strHigh);}mstrName = strName;mstrHigh = strHigh;}@Overridepublic void onClick(View arg0) {switch (arg0.getId()) {case R.id.buttonTest:// 实例化TestDialog,可以传参数进去,例如标题,或者其他参数,还有一个唯一码.TestDialog dialog = new TestDialog().newInstance("请输入", 1,mstrName, mstrHigh);dialog.show(this.getSupportFragmentManager(), "TestDialog");break;default:break;}}}

TestDialog

package com.example.fragmentdialogdemo;import android.app.Activity;import android.app.AlertDialog;import android.app.Dialog;import android.content.DialogInterface;import android.os.Bundle;import android.support.v4.app.DialogFragment;import android.view.View;import android.widget.Button;import android.widget.EditText;import android.widget.RadioGroup;import android.widget.RadioGroup.OnCheckedChangeListener;public class TestDialog extends DialogFragment implements OnCheckedChangeListener{// mUniqueFlag作用是唯一码,可以使返回时做判断private int mUniqueFlag = -1;private onTestListener mOnListener;private EditText meditTextName, meditTextHigh;protected Button mButtonPositive;/** * 新建实例 *  * @param title * @param unique * @param strName * @param strHigh * @return */public static TestDialog newInstance(String title, int unique,String strName, String strHigh) {TestDialog tDialog = new TestDialog();Bundle args = new Bundle();args.putString("SelectTemplateTitle", title);args.putInt("MultipleTemplate", unique);args.putString("TemplateName", strName);args.putString("TemplateHigh", strHigh);tDialog.setArguments(args);return tDialog;}public interface onTestListener {/** *  * @param uniqueIdentifier *            唯一标识 * @param strName * @param strHigh */public abstract void onTestListener(int uniqueIdentifier,String strName, String strHigh);}// 旋转时候保存@Overridepublic void onSaveInstanceState(Bundle outState) {super.onSaveInstanceState(outState);outState.putString("InputName", meditTextName.getText().toString());outState.putString("InputHigh", meditTextHigh.getText().toString());}@Overridepublic Dialog onCreateDialog(Bundle saveInstanceState) {String title = getArguments().getString("SelectTemplateTitle");mUniqueFlag = getArguments().getInt("MultipleTemplate");AlertDialog.Builder Builder = new AlertDialog.Builder(getActivity()).setTitle(title).setPositiveButton("确定", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {// 触发数据回调if (mOnListener != null)mOnListener.onTestListener(mUniqueFlag,meditTextName.getText().toString(),meditTextHigh.getText().toString());}}).setNegativeButton("取消", null);// 添加xml布局View view = getActivity().getLayoutInflater().inflate(R.layout.test_dialog, null);setupUI(view);// 旋转后,恢复数据if (saveInstanceState != null) {String strName = saveInstanceState.getString("InputName");if (strName != null)meditTextName.setText(strName);String strHigh = saveInstanceState.getString("InputHigh");if (strHigh != null)meditTextHigh.setText(strHigh);}Builder.setView(view);//创建对话框AlertDialog dialog = (AlertDialog) Builder.create();return dialog;}private void setupUI(View view) {if (view == null)return;RadioGroup radioGroup1 = (RadioGroup)view.findViewById(R.id.radioGroup1);radioGroup1.setOnCheckedChangeListener(this);String strName = getArguments().getString("TemplateName");String strHigh = getArguments().getString("TemplateHigh");meditTextName = (EditText) view.findViewById(R.id.editTextName);meditTextHigh = (EditText) view.findViewById(R.id.editTextHigh);meditTextName.setText(strName);meditTextHigh.setText(strHigh);}// onAttach是关联activity的,用接口回调@Overridepublic void onAttach(Activity activity) {super.onAttach(activity);try {mOnListener = (onTestListener) activity;} catch (ClassCastException e) {dismiss();}}@Overridepublic void onCheckedChanged(RadioGroup group, int checkedId) {if (group.getId() == R.id.radioGroup1) {switch (checkedId) {case R.id.radio0://getDialog()是获取当前对话框getDialog().findViewById(R.id.LayoutName).setVisibility(View.VISIBLE);getDialog().findViewById(R.id.LayoutHigh).setVisibility(View.VISIBLE);break;case R.id.radio1:getDialog().findViewById(R.id.LayoutName).setVisibility(View.GONE);getDialog().findViewById(R.id.LayoutHigh).setVisibility(View.VISIBLE);break;default:break;}}}}

activity_main

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical"    tools:context=".MainActivity" >    <TextView        android:id="@+id/textView1"        android:layout_width="match_parent"        android:layout_height="80dp"         android:gravity="center"        android:textSize="18sp"        android:text="点击button" />    <Button        android:id="@+id/buttonTest"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="Button" /></LinearLayout>

test_dialog

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" >    <RadioGroup        android:id="@+id/radioGroup1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"         android:orientation="horizontal">        <RadioButton            android:id="@+id/radio0"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:checked="true"            android:text="姓名" />        <RadioButton            android:id="@+id/radio1"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="身高" />    </RadioGroup>    <LinearLayout        android:id="@+id/LayoutName"        android:layout_width="match_parent"        android:layout_height="60dp" >        <TextView            android:layout_width="wrap_content"            android:layout_height="match_parent"            android:gravity="left|center_vertical"            android:text="姓名:"            android:textSize="18sp" />        <EditText            android:id="@+id/editTextName"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_weight="1"            android:ems="10" >            <requestFocus />        </EditText>    </LinearLayout>    <LinearLayout         android:id="@+id/LayoutHigh"        android:layout_width="match_parent"        android:layout_height="60dp" >        <TextView            android:layout_width="wrap_content"            android:layout_height="match_parent"            android:gravity="left|center_vertical"            android:text="身高:"            android:textSize="18sp" />        <EditText            android:id="@+id/editTextHigh"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_weight="1"            android:ems="10" >            <requestFocus />        </EditText>    </LinearLayout></LinearLayout>

二、效果看下面动态图

Android 继承DialogFragment弹出dialog对话框二_第1张图片

三、DialogFragment的部分方法

Android 继承DialogFragment弹出dialog对话框二_第2张图片

还是那句话多实践，多总结，多交流！期待你的留言。

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