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The Android Open Source Project
2009-03-03 18:28:16 -08:00
parent d2f2b1d7b7
commit d4aee0c0ca
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84
samples/ApiDemos/src/com/example/android/apis/text/Link.java
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/*
* Copyright (C) 2007 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.text;
import com.example.android.apis.R;
import android.app.Activity;
import android.graphics.Typeface;
import android.os.Bundle;
import android.text.Html;
import android.text.SpannableString;
import android.text.Spanned;
import android.text.method.LinkMovementMethod;
import android.text.style.StyleSpan;
import android.text.style.URLSpan;
import android.widget.TextView;
public class Link extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.link);
// text1 shows the android:autoLink property, which
// automatically linkifies things like URLs and phone numbers
// found in the text. No java code is needed to make this
// work.
// text2 has links specified by putting <a> tags in the string
// resource. By default these links will appear but not
// respond to user input. To make them active, you need to
// call setMovementMethod() on the TextView object.
TextView t2 = (TextView) findViewById(R.id.text2);
t2.setMovementMethod(LinkMovementMethod.getInstance());
// text3 shows creating text with links from HTML in the Java
// code, rather than from a string resource. Note that for a
// fixed string, using a (localizable) resource as shown above
// is usually a better way to go; this example is intended to
// illustrate how you might display text that came from a
// dynamic source (eg, the network).
TextView t3 = (TextView) findViewById(R.id.text3);
t3.setText(
Html.fromHtml(
"<b>text3:</b> Text with a " +
"<a href=\"http://www.google.com\">link</a> " +
"created in the Java source code using HTML."));
t3.setMovementMethod(LinkMovementMethod.getInstance());
// text4 illustrates constructing a styled string containing a
// link without using HTML at all. Again, for a fixed string
// you should probably be using a string resource, not a
// hardcoded value.
SpannableString ss = new SpannableString(
"text4: Click here to dial the phone.");
ss.setSpan(new StyleSpan(Typeface.BOLD), 0, 6,
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
ss.setSpan(new URLSpan("tel:4155551212"), 13, 17,
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
TextView t4 = (TextView) findViewById(R.id.text4);
t4.setText(ss);
t4.setMovementMethod(LinkMovementMethod.getInstance());
}
}

68
samples/ApiDemos/src/com/example/android/apis/text/LogTextBox.java
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/*
* Copyright (C) 2007 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.text;
import android.widget.TextView;
import android.content.Context;
import android.text.method.ScrollingMovementMethod;
import android.text.method.MovementMethod;
import android.text.method.KeyListener;
import android.text.method.TransformationMethod;
import android.text.Editable;
import android.util.AttributeSet;
import java.util.Map;
/**
* This is a TextView that is Editable and by default scrollable,
* like EditText without a cursor.
*
* <p>
* <b>XML attributes</b>
* <p>
* See
* {@link android.R.styleable#TextView TextView Attributes},
* {@link android.R.styleable#View View Attributes}
*/
public class LogTextBox extends TextView {
public LogTextBox(Context context) {
this(context, null);
}
public LogTextBox(Context context, AttributeSet attrs) {
this(context, attrs, android.R.attr.textViewStyle);
}
public LogTextBox(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
@Override
protected MovementMethod getDefaultMovementMethod() {
return ScrollingMovementMethod.getInstance();
}
@Override
public Editable getText() {
return (Editable) super.getText();
}
@Override
public void setText(CharSequence text, BufferType type) {
super.setText(text, BufferType.EDITABLE);
}
}

50
samples/ApiDemos/src/com/example/android/apis/text/LogTextBox1.java
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/*
* Copyright (C) 2007 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.text;
import com.example.android.apis.R;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
/**
* Using a LogTextBox to display a scrollable text area
* to which text is appended.
*
*/
public class LogTextBox1 extends Activity {
private LogTextBox mText;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.log_text_box_1);
mText = (LogTextBox) findViewById(R.id.text);
Button addButton = (Button) findViewById(R.id.add);
addButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
mText.append("This is a test\n");
} });
}
}

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samples/ApiDemos/src/com/example/android/apis/text/Marquee.java
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/*
* Copyright (C) 2007 Google Inc.
*
* 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.text;
import com.example.android.apis.R;
import android.app.Activity;
import android.os.Bundle;
public class Marquee extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.marquee);
}
}

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samples/ApiDemos/src/com/example/android/apis/text/_index.html
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<dl>
<dt><a href="Link.html">Linkify</a></dt>
<dd>Demonstrates the {@link android.text.util.Linkify Linkify} class, which converts URLs in a block of text into hyperlinks. </dd>
</dl>