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New API demo showing arguments to fragments.

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Change-Id: I5bc41bb23b7ac6a6d7cbbd08cec67879dc4ae2fe
This commit is contained in:
Dianne Hackborn
2011-03-03 21:50:51 -08:00
parent 45e0abddcf
commit 7f308f27bf
6 changed files with 242 additions and 0 deletions
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9
samples/ApiDemos/AndroidManifest.xml
View File

@@ -256,6 +256,15 @@
</intent-filter>
</activity>
<activity android:name=".app.FragmentArguments"
android:label="@string/fragment_arguments"
android:enabled="@bool/atLeastHoneycomb">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.SAMPLE_CODE" />
</intent-filter>
</activity>
<activity android:name=".app.FragmentHideShow"
android:label="@string/fragment_hide_show"
android:windowSoftInputMode="stateUnchanged"

57
samples/ApiDemos/res/layout-land/fragment_arguments.xml Normal file
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@@ -0,0 +1,57 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2011 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.
-->
<!-- Top-level content view for the simple fragment sample. -->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:padding="4dip"
android:gravity="center_horizontal"
android:layout_width="match_parent" android:layout_height="match_parent">
<TextView
android:id="@+id/text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="0"
android:padding="4dip"
android:layout_gravity="center_vertical|center_horizontal"
android:gravity="top|center_horizontal"
android:textAppearance="?android:attr/textAppearanceMedium"
android:text="@string/fragment_arguments_msg" />
<LinearLayout android:orientation="horizontal" android:padding="4dip"
android:layout_width="match_parent" android:layout_height="wrap_content">
<fragment class="com.example.android.apis.app.FragmentArguments$MyFragment"
android:id="@+id/embedded"
android:layout_width="0px" android:layout_height="wrap_content"
android:layout_weight="1"
android:label="@string/fragment_arguments_embedded" />
<FrameLayout
android:id="@+id/created"
android:layout_width="0px"
android:layout_height="wrap_content"
android:layout_weight="1" />
</LinearLayout>
<fragment class="com.example.android.apis.app.FragmentArguments$MyFragment"
android:id="@+id/embedded_land"
android:layout_width="match_parent" android:layout_height="wrap_content"
android:label="@string/fragment_arguments_embedded_land" />
</LinearLayout>

54
samples/ApiDemos/res/layout/fragment_arguments.xml Normal file
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@@ -0,0 +1,54 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2011 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.
-->
<!-- Top-level content view for the simple fragment sample. -->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:padding="4dip"
android:gravity="center_horizontal"
android:layout_width="match_parent" android:layout_height="match_parent">
<TextView
android:id="@+id/text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="0"
android:padding="4dip"
android:layout_gravity="center_vertical|center_horizontal"
android:gravity="top|center_horizontal"
android:textAppearance="?android:attr/textAppearanceMedium"
android:text="@string/fragment_arguments_msg" />
<LinearLayout android:orientation="horizontal" android:padding="4dip"
android:layout_width="match_parent" android:layout_height="wrap_content">
<!-- BEGIN_INCLUDE(from_attributes) -->
<fragment class="com.example.android.apis.app.FragmentArguments$MyFragment"
android:id="@+id/embedded"
android:layout_width="0px" android:layout_height="wrap_content"
android:layout_weight="1"
android:label="@string/fragment_arguments_embedded" />
<!-- END_INCLUDE(from_attributes) -->
<FrameLayout
android:id="@+id/created"
android:layout_width="0px"
android:layout_height="wrap_content"
android:layout_weight="1" />
</LinearLayout>
</LinearLayout>

8
samples/ApiDemos/res/values/attrs.xml
View File

@@ -44,4 +44,12 @@
<enum name="drop" value="2" />
</attr>
</declare-styleable>
<!-- These are the attributes that we want to retrieve for
app/FragmentArguments.java -->
<!-- BEGIN_INCLUDE(fragment_arguments) -->
<declare-styleable name="FragmentArguments">
<attr name="android:label" />
</declare-styleable>
<!-- END_INCLUDE(fragment_arguments) -->
</resources>

6
samples/ApiDemos/res/values/strings.xml
View File

@@ -108,6 +108,12 @@
<string name="fragment_alert_dialog">App/Fragment/Alert Dialog</string>
<string name="fragment_arguments">App/Fragment/Arguments</string>
<string name="fragment_arguments_msg">Demonstrates a fragment that takes arguments
as a Bundle at runtime (on the right) or from attributes in a layout (on the left).</string>
<string name="fragment_arguments_embedded">From Attributes</string>
<string name="fragment_arguments_embedded_land">Landscape Only</string>
<string name="fragment_hide_show">App/Fragment/Hide and Show</string>
<string name="fragment_context_menu">App/Fragment/Context Menu</string>

108
samples/ApiDemos/src/com/example/android/apis/app/FragmentArguments.java Normal file
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@@ -0,0 +1,108 @@
/*
* 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.Fragment;
import android.app.FragmentTransaction;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
/**
* Demonstrates a fragment that can be configured through both Bundle arguments
* and layout attributes.
*/
public class FragmentArguments extends Activity {
//BEGIN_INCLUDE(create)
@Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.fragment_arguments);
if (savedInstanceState == null) {
// First-time init; create fragment to embed in activity.
FragmentTransaction ft = getFragmentManager().beginTransaction();
Fragment newFragment = MyFragment.newInstance("From Arguments");
ft.add(R.id.created, newFragment);
ft.commit();
}
}
//END_INCLUDE(create)
//BEGIN_INCLUDE(fragment)
public static class MyFragment extends Fragment {
CharSequence mLabel;
/**
* Create a new instance of MyFragment that will be initialized
* with the given arguments.
*/
static MyFragment newInstance(CharSequence label) {
MyFragment f = new MyFragment();
Bundle b = new Bundle();
b.putCharSequence("label", label);
f.setArguments(b);
return f;
}
/**
* Parse attributes during inflation from a view hierarchy into the
* arguments we handle.
*/
@Override public void onInflate(Activity activity, AttributeSet attrs,
Bundle savedInstanceState) {
super.onInflate(activity, attrs, savedInstanceState);
TypedArray a = activity.obtainStyledAttributes(attrs,
R.styleable.FragmentArguments);
mLabel = a.getText(R.styleable.FragmentArguments_android_label);
a.recycle();
}
/**
* During creation, if arguments have been supplied to the fragment
* then parse those out.
*/
@Override public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Bundle args = getArguments();
if (args != null) {
mLabel = args.getCharSequence("label", mLabel);
}
}
/**
* Create the view for this fragment, using the arguments given to it.
*/
@Override public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.hello_world, container, false);
View tv = v.findViewById(R.id.text);
((TextView)tv).setText(mLabel != null ? mLabel : "(no label)");
tv.setBackgroundDrawable(getResources().getDrawable(android.R.drawable.gallery_thumb));
return v;
}
}
//END_INCLUDE(fragment)
}