Android自定义属性-format
string 字符串
- 定义
<declare-styleable name="MyTextView">
<!--字符串-->
<attr name="my_textname" format="string"/>
</declare-styleable>
- 获取
TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.MyTextView);
//获取文字
String textName = typedArray.getString(R.styleable.MyTextView_my_textname);
this.setText(textName);
- 使用
<com.liu.myviewformatdemo.view.MyTextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:my_textname="无可奈何花落去枯萎地"
/>
dimension 尺寸值
- 定义
<declare-styleable name="MyTextView">
<!--字符串-->
<attr name="my_textname" format="string"/>
<!-- 尺寸值 -->
<attr name="my_textsize" format="dimension"/>
</declare-styleable>
- 获取
TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.MyTextView);
//获取文字
String textName = typedArray.getString(R.styleable.MyTextView_my_textname);
this.setText(textName);
//获取文字大小
float textsize = typedArray.getDimensionPixelSize(R.styleable.MyTextView_my_textsize, 14);
this.setTextSize(textsize);
- 使用
<com.liu.myviewformatdemo.view.MyTextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:my_textname="无可奈何花落去枯萎地"
app:my_textsize="10sp"
/>
color：颜色值
- 定义
<declare-styleable name="MyTextView">
<!--字符串-->
<attr name="my_textname" format="string"/>
<!-- 尺寸值 -->
<attr name="my_textsize" format="dimension"/>
<!--颜色-->
<attr name="my_textcolor" format="color"/>
</declare-styleable>
- 获取
TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.MyTextView);
//获取文字
String textName = typedArray.getString(R.styleable.MyTextView_my_textname);
this.setText(textName);
//获取文字大小
float textsize = typedArray.getDimensionPixelSize(R.styleable.MyTextView_my_textsize, 14);
this.setTextSize(textsize);
//获取文字颜色
int color = typedArray.getColor(R.styleable.MyTextView_my_textcolor, 0xff00ff00);
this.setTextColor(color);
- 使用
<com.liu.myviewformatdemo.view.MyTextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:my_textname="无可奈何花落去枯萎地"
app:my_textsize="10sp"
app:my_textcolor="#f00"
/>
reference：参考某一资源ID。
- 定义
<declare-styleable name="MyTextView">
<!--字符串-->
<attr name="my_textname" format="string"/>
<!-- 尺寸值 -->
<attr name="my_textsize" format="dimension"/>
<!--颜色-->
<attr name="my_textcolor" format="color"/>
<!--引用某个资源的ID-->
<attr name="my_background" format="reference"/>
</declare-styleable>
- 获取
TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.MyTextView);
//获取文字
String textName = typedArray.getString(R.styleable.MyTextView_my_textname);
this.setText(textName);
//获取文字大小
float textsize = typedArray.getDimensionPixelSize(R.styleable.MyTextView_my_textsize, 14);
this.setTextSize(textsize);
//获取文字颜色
int color = typedArray.getColor(R.styleable.MyTextView_my_textcolor, 0xff00ff00);
this.setTextColor(color);
//获取背景
int resourceId = typedArray.getResourceId(R.styleable.MyTextView_my_background, R.mipmap.ic_launcher);
this.setBackgroundResource(resourceId);
- 使用
<com.liu.myviewformatdemo.view.MyTextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:my_textname="无可奈何花落去枯萎地"
app:my_textsize="10sp"
app:my_textcolor="#f00"
app:my_background="@drawable/bg_shap"
/>
mytextview.png
boolean：布尔值.
- 定义
<declare-styleable name="MyImageView">
<!--Boolean 是否显示-->
<attr name="my_display" format="boolean"/>
</declare-styleable>
- 获取
- 使用
integer：整型值
- 定义
<declare-styleable name = "AnimatedRotateDrawable">
<attr name = "visible" />
<attr name = "frameDuration" format="integer" />
<attr name = "framesCount" format="integer" />
<attr name = "pivotX" />
<attr name = "pivotY" />
<attr name = "drawable" />
</declare-styleable>
- 获取
typedArray.getInteger(R.styleable.名称,默认值)
- 使用
<animated-rotate
xmlns:android ="http://schemas.android.com/apk/res/android"
android:drawable = "@drawable/图片ID"
android:pivotX = "50%"
android:pivotY = "50%"
android:framesCount = "12"
android:frameDuration = "100"/>
float：浮点值
- 定义
<declare-styleable name = "AlphaAnimation">
<attr name = "fromAlpha" format = "float" />
<attr name = "toAlpha" format = "float" />
</declare-styleable>
- 获取
typedArray.getFloat(R.styleable.名称,默认值)
- 使用
<alpha
android:fromAlpha = "1.0"
android:toAlpha = "0.7"/>
fraction：百分数
- 定义
<declare-styleable name="RotateDrawable">
<attr name = "visible" />
<attr name = "fromDegrees" format = "float" />
<attr name = "toDegrees" format = "float" />
<attr name = "pivotX" format = "fraction" />
<attr name = "pivotY" format = "fraction" />
<attr name = "drawable" />
</declare-styleable>
- 使用
<rotate
xmlns:android ="http://schemas.android.com/apk/res/android"
android:interpolator = "@anim/动画ID"
android:fromDegrees = "0"
android:toDegrees = "360"
android:pivotX = "200%"
android:pivotY = "300%"
android:duration = "5000"
android:repeatMode = "restart"
android:repeatCount = "infinite"
/>
enum：枚举值
- 定义
<declare-styleable name="名称">
<attr name="orientation">
<enum name="horizontal" value="0" />
<enum name="vertical" value="1" />
</attr>
</declare-styleable>
- 使用
<LinearLayout
xmlns:android = "http://schemas.android.com/apk/res/android"
android:orientation = "vertical"
android:layout_width = "fill_parent"
android:layout_height = "fill_parent" >
</LinearLayout>
flag：位或运算
- 定义
<declare-styleable name="名称">
<attr name="windowSoftInputMode">
<flag name = "stateUnspecified" value = "0" />
<flag name = "stateUnchanged" value = "1" />
<flag name = "stateHidden" value = "2" />
<flag name = "stateAlwaysHidden" value = "3" />
<flag name = "stateVisible" value = "4" />
<flag name = "stateAlwaysVisible" value = "5" />
<flag name = "adjustUnspecified" value = "0x00" />
<flag name = "adjustResize" value = "0x10" />
<flag name = "adjustPan" value = "0x20" />
<flag name = "adjustNothing" value = "0x30" />
</attr>
</declare-styleable>
- 使用
<activity
android:name = ".StyleAndThemeActivity"
android:label = "@string/app_name"
android:windowSoftInputMode = "stateUnspecified | stateUnchanged | stateHidden">
<intent-filter>
<action android:name = "android.intent.action.MAIN" />
<category android:name = "android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
属性定义时可以指定多种类型值
<declare-styleable name = "名称">
<attr name = "background" format = "reference|color" />
</declare-styleable>
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