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Add API demo for DialogFragment.

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Change-Id: Id02cba60d661f747c36bc113bd81a2b6fe45573a
This commit is contained in:
Dianne Hackborn
2010-07-22 12:18:24 -07:00
parent 5a48825cc0
commit cdb8af8170
5 changed files with 285 additions and 0 deletions
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74
samples/ApiDemos/src/com/example/android/apis/app/FragmentAlertDialog.java Normal file
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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.apis.app;
import com.example.android.apis.R;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
public class FragmentAlertDialog extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.fragment_dialog);
View tv = findViewById(R.id.text);
((TextView)tv).setText("Example of displaying an alert dialog with a DialogFragment");
// Watch for button clicks.
Button button = (Button)findViewById(R.id.show);
button.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
showDialog();
}
});
}
void showDialog() {
DialogFragment newFragment = new MyAlertDialogFragment();
newFragment.show(this, "dialog");
}
public static class MyAlertDialogFragment extends DialogFragment {
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
return new AlertDialog.Builder(getActivity())
.setIcon(R.drawable.alert_dialog_icon)
.setTitle(R.string.alert_dialog_two_buttons_title)
.setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
/* User clicked OK so do some stuff */
}
})
.setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
/* User clicked Cancel so do some stuff */
}
})
.create();
}
}
}

153
samples/ApiDemos/src/com/example/android/apis/app/FragmentDialog.java Normal file
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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.apis.app;
import com.example.android.apis.R;
import android.app.Activity;
import android.app.DialogFragment;
import android.app.Fragment;
import android.app.FragmentTransaction;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
public class FragmentDialog extends Activity {
int mStackLevel = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.fragment_dialog);
View tv = findViewById(R.id.text);
((TextView)tv).setText("Example of displaying dialogs with a DialogFragment. "
+ "Press the show button below to see the first dialog; pressing "
+ "successive show buttons will display other dialog styles as a "
+ "stack, with dismissing or back going to the previous dialog.");
// Watch for button clicks.
Button button = (Button)findViewById(R.id.show);
button.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
showDialog();
}
});
if (savedInstanceState != null) {
mStackLevel = savedInstanceState.getInt("level");
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt("level", mStackLevel);
}
void showDialog() {
mStackLevel++;
DialogFragment newFragment = new MyDialogFragment(mStackLevel);
FragmentTransaction ft = openFragmentTransaction();
Fragment prev = this.findFragmentByTag("dialog");
if (prev != null) {
ft.remove(prev);
}
ft.addToBackStack(null);
newFragment.show(this, ft, "dialog");
}
static int getStyleForNum(int num) {
switch ((num-1)%6) {
case 1: return DialogFragment.STYLE_NO_TITLE;
case 2: return DialogFragment.STYLE_NO_FRAME;
case 3: return DialogFragment.STYLE_NO_INPUT;
case 4: return DialogFragment.STYLE_NORMAL;
case 5: return DialogFragment.STYLE_NORMAL;
}
return DialogFragment.STYLE_NORMAL;
}
static int getThemeForNum(int num) {
switch ((num-1)%6) {
case 4: return android.R.style.Theme_Light;
case 5: return android.R.style.Theme;
}
return 0;
}
static String getNameForNum(int num) {
switch ((num-1)%6) {
case 1: return "STYLE_NO_TITLE";
case 2: return "STYLE_NO_FRAME";
case 3: return "STYLE_NO_INPUT (this window can't receive input, so "
+ "you will need to press the bottom show button)";
case 4: return "STYLE_NORMAL with light fullscreen theme";
case 5: return "STYLE_NORMAL with dark fullscreen theme";
}
return "STYLE_NORMAL";
}
public static class MyDialogFragment extends DialogFragment {
int mNum;
public MyDialogFragment() {
mNum = -1;
}
public MyDialogFragment(int num) {
super(getStyleForNum(num), getThemeForNum(num));
mNum = num;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (savedInstanceState != null) {
mNum = savedInstanceState.getInt("num");
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt("num", mNum);
}
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.fragment_dialog, container, false);
View tv = v.findViewById(R.id.text);
((TextView)tv).setText("Dialog #" + mNum + ": using style "
+ getNameForNum(mNum));
// Watch for button clicks.
Button button = (Button)v.findViewById(R.id.show);
button.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
((FragmentDialog)getActivity()).showDialog();
}
});
return v;
}
}
}