Merge "Add API demo for DialogFragment."

samples/ApiDemos/AndroidManifest.xml

@@ -211,6 +211,13 @@
 
         <!-- Fragment Samples -->
 
+        <activity android:name=".app.FragmentAlertDialog" android:label="@string/fragment_alert_dialog">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.SAMPLE_CODE" />
+            </intent-filter>
+        </activity>
+
         <activity android:name=".app.FragmentAnim" android:label="@string/fragment_anim">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -226,6 +233,13 @@
             </intent-filter>
         </activity>
 
+        <activity android:name=".app.FragmentDialog" android:label="@string/fragment_dialog">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.SAMPLE_CODE" />
+            </intent-filter>
+        </activity>
+
         <activity android:name=".app.FragmentLayout" android:label="@string/fragment_layout">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

samples/ApiDemos/res/layout/fragment_dialog.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+
+<!-- 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="1"
+            android:layout_gravity="center_vertical|center_horizontal"
+            android:gravity="center_vertical|center_horizontal" />
+
+    <Button android:id="@+id/show"
+        android:layout_width="wrap_content" android:layout_height="wrap_content"
+        android:layout_weight="0"
+        android:text="@string/show">
+        <requestFocus />
+    </Button>
+
+</LinearLayout>

samples/ApiDemos/res/values/strings.xml

@@ -83,6 +83,8 @@
     <string name="redirect_getter">Enter the text that will be used by the main activity.  Press back to cancel.</string>
     <string name="apply">Apply</string>
 
+    <string name="fragment_alert_dialog">App/Fragment/Alert Dialog</string>
+
     <string name="fragment_anim">App/Fragment/Anim</string>
     
     <string name="fragment_context_menu">App/Fragment/Context Menu</string>
@@ -90,6 +92,9 @@
             menu; long press the button to see.</string>
     <string name="long_press">Long press me</string>
     
+    <string name="fragment_dialog">App/Fragment/Dialog</string>
+    <string name="show">Show</string>
+
     <string name="fragment_layout">App/Fragment/Layout</string>
     
     <string name="fragment_list_array">App/Fragment/List Array</string>

samples/ApiDemos/src/com/example/android/apis/app/FragmentAlertDialog.java

@@ -0,0 +1,74 @@
+/*
+ * 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();
+        }
+    }
+}

samples/ApiDemos/src/com/example/android/apis/app/FragmentDialog.java

@@ -0,0 +1,153 @@
+/*
+ * 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;
+        }
+    }
+}