如何改变字体在TextView,默认它显示为Arial?怎么改成Helvetica字体?
当前回答
我终于找到了一个非常简单的解决方法。
use these Support libraries in app level gradle, compile 'com.android.support:appcompat-v7:26.0.2' compile 'com.android.support:support-v4:26.0.2' then create a directory named "font" inside the res folder put fonts(ttf) files in that font directory, keep in mind the naming conventions [e.g.name should not contain any special character, any uppercase character and any space or tab] After that, reference that font from xml like this <Button android:id="@+id/btn_choose_employee" android:layout_width="140dp" android:layout_height="40dp" android:layout_centerInParent="true" android:background="@drawable/rounded_red_btn" android:onClick="btnEmployeeClickedAction" android:text="@string/searching_jobs" android:textAllCaps="false" android:textColor="@color/white" android:fontFamily="@font/times_new_roman_test" />
在本例中,times_new_roman_test是该字体目录中的字体ttf文件
其他回答
最好的实践
TextViewPlus.java:
public class TextViewPlus extends TextView {
private static final String TAG = "TextView";
public TextViewPlus(Context context) {
super(context);
}
public TextViewPlus(Context context, AttributeSet attrs) {
super(context, attrs);
setCustomFont(context, attrs);
}
public TextViewPlus(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
setCustomFont(context, attrs);
}
private void setCustomFont(Context ctx, AttributeSet attrs) {
TypedArray a = ctx.obtainStyledAttributes(attrs, R.styleable.TextViewPlus);
String customFont = a.getString(R.styleable.TextViewPlus_customFont);
setCustomFont(ctx, customFont);
a.recycle();
}
public boolean setCustomFont(Context ctx, String asset) {
Typeface typeface = null;
try {
typeface = Typeface.createFromAsset(ctx.getAssets(), asset);
} catch (Exception e) {
Log.e(TAG, "Unable to load typeface: "+e.getMessage());
return false;
}
setTypeface(typeface);
return true;
}
}
attrs.xml:(在哪里放置res/values)
<?xml version="1.0" encoding="utf-8"?>
<resources>
<declare-styleable name="TextViewPlus">
<attr name="customFont" format="string"/>
</declare-styleable>
</resources>
使用方法:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:foo="http://schemas.android.com/apk/res-auto"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent">
<com.mypackage.TextViewPlus
android:id="@+id/textViewPlus1"
android:layout_height="match_parent"
android:layout_width="match_parent"
android:text="@string/showingOffTheNewTypeface"
foo:customFont="my_font_name_regular.otf">
</com.mypackage.TextViewPlus>
</LinearLayout>
希望这对你有所帮助。
Typeface tf = Typeface.createFromAsset(getAssets(),
"fonts/DroidSansFallback.ttf");
TextView tv = (TextView) findViewById(R.id.CustomFontText);
tv.setTypeface(tf);
首先下载所需字体的.ttf文件(arial.ttf)。把它放在资产文件夹中。(在assets文件夹内创建名为fonts的新文件夹,并将其放置在其中。)使用以下代码应用字体到你的TextView:
Typeface type = Typeface.createFromAsset(getAssets(),"fonts/arial.ttf");
textView.setTypeface(type);
另一种巩固字体创建的方法…
public class Font {
public static final Font PROXIMA_NOVA = new Font("ProximaNovaRegular.otf");
public static final Font FRANKLIN_GOTHIC = new Font("FranklinGothicURWBoo.ttf");
private final String assetName;
private volatile Typeface typeface;
private Font(String assetName) {
this.assetName = assetName;
}
public void apply(Context context, TextView textView) {
if (typeface == null) {
synchronized (this) {
if (typeface == null) {
typeface = Typeface.createFromAsset(context.getAssets(), assetName);
}
}
}
textView.setTypeface(typeface);
}
}
然后在你的活动中使用…
myTextView = (TextView) findViewById(R.id.myTextView);
Font.PROXIMA_NOVA.apply(this, myTextView);
请注意,这种带有volatile字段的双重检查锁定习惯用法仅适用于Java 1.5+中使用的内存模型。
我终于找到了一个非常简单的解决方法。
use these Support libraries in app level gradle, compile 'com.android.support:appcompat-v7:26.0.2' compile 'com.android.support:support-v4:26.0.2' then create a directory named "font" inside the res folder put fonts(ttf) files in that font directory, keep in mind the naming conventions [e.g.name should not contain any special character, any uppercase character and any space or tab] After that, reference that font from xml like this <Button android:id="@+id/btn_choose_employee" android:layout_width="140dp" android:layout_height="40dp" android:layout_centerInParent="true" android:background="@drawable/rounded_red_btn" android:onClick="btnEmployeeClickedAction" android:text="@string/searching_jobs" android:textAllCaps="false" android:textColor="@color/white" android:fontFamily="@font/times_new_roman_test" />
在本例中,times_new_roman_test是该字体目录中的字体ttf文件
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