floatingactionbutton项目在github上的主页：
floatingactionbutton使用简单，而且可以自定义颜色、大小、背景图片
项目构造：
下面是demo的代码（主要见sample）：https://github.com/futuresimple/android-floating-action-button
布局：
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<relativelayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:fab="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/background" >
<com.getbase.floatingactionbutton.floatingactionbutton
android:id="@+id/pink_icon"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignparentbottom="true"
android:layout_centerhorizontal="true"
android:layout_marginbottom="dp"
fab:fab_colornormal="@color/pink"
fab:fab_colorpressed="@color/pink_pressed"
fab:fab_icon="@drawable/ic_fab_star" />
<textview
style="@style/menu_labels_style"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@id/pink_icon"
android:layout_centerhorizontal="true"
android:layout_marginbottom="dp"
android:text="text below button" />
<com.getbase.floatingactionbutton.addfloatingactionbutton
android:id="@+id/semi_transparent"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@id/pink_icon"
android:layout_centerhorizontal="true"
android:layout_marginbottom="dp"
fab:fab_colornormal="@color/blue_semi_transparent"
fab:fab_colorpressed="@color/blue_semi_transparent_pressed"
fab:fab_plusiconcolor="@color/white" />
<com.getbase.floatingactionbutton.floatingactionbutton
android:id="@+id/setter"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@id/semi_transparent"
android:layout_centerhorizontal="true"
android:layout_marginbottom="dp" />
<com.getbase.floatingactionbutton.addfloatingactionbutton
android:id="@+id/normal_plus"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignparentbottom="true"
android:layout_alignparentleft="true"
android:layout_alignparentstart="true"
android:layout_marginbottom="dp"
android:layout_marginleft="dp"
android:layout_marginstart="dp"
fab:fab_colornormal="@color/white"
fab:fab_colorpressed="@color/white_pressed"
fab:fab_plusiconcolor="@color/half_black" />
<com.getbase.floatingactionbutton.floatingactionsmenu
android:id="@+id/right_labels"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@id/normal_plus"
android:layout_alignparentleft="true"
android:layout_alignparentstart="true"
android:layout_marginleft="dp"
android:layout_marginstart="dp"
fab:fab_addbuttoncolornormal="@color/white"
fab:fab_addbuttoncolorpressed="@color/white_pressed"
fab:fab_addbuttonplusiconcolor="@color/half_black"
fab:fab_addbuttonsize="mini"
fab:fab_labelstyle="@style/menu_labels_style"
fab:fab_labelsposition="right" >
<com.getbase.floatingactionbutton.floatingactionbutton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
fab:fab_colornormal="@color/white"
fab:fab_colorpressed="@color/white_pressed"
fab:fab_title="label on the right" />
<com.getbase.floatingactionbutton.floatingactionbutton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
fab:fab_colornormal="@color/white"
fab:fab_colorpressed="@color/white_pressed"
fab:fab_size="mini"
fab:fab_title="another one on the right" />
</com.getbase.floatingactionbutton.floatingactionsmenu>
<com.getbase.floatingactionbutton.floatingactionsmenu
android:id="@+id/multiple_actions"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignparentbottom="true"
android:layout_alignparentend="true"
android:layout_alignparentright="true"
android:layout_marginbottom="dp"
android:layout_marginend="dp"
android:layout_marginright="dp"
fab:fab_addbuttoncolornormal="@color/white"
fab:fab_addbuttoncolorpressed="@color/white_pressed"
fab:fab_addbuttonplusiconcolor="@color/half_black"
fab:fab_labelstyle="@style/menu_labels_style" >
<com.getbase.floatingactionbutton.floatingactionbutton
android:id="@+id/action_a"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
fab:fab_colornormal="@color/white"
fab:fab_colorpressed="@color/white_pressed"
fab:fab_title="action a" />
<com.getbase.floatingactionbutton.floatingactionbutton
android:id="@+id/action_b"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
fab:fab_colornormal="@color/white"
fab:fab_colorpressed="@color/white_pressed"
fab:fab_title="action with a very long name that won\'t fit on the screen" />
</com.getbase.floatingactionbutton.floatingactionsmenu>
<com.getbase.floatingactionbutton.floatingactionsmenu
android:id="@+id/multiple_actions_down"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignparentend="true"
android:layout_alignparentright="true"
android:layout_alignparenttop="true"
android:layout_marginend="dp"
android:layout_marginright="dp"
android:layout_margintop="dp"
fab:fab_addbuttoncolornormal="@color/white"
fab:fab_addbuttoncolorpressed="@color/white_pressed"
fab:fab_addbuttonplusiconcolor="@color/half_black"
fab:fab_addbuttonsize="mini"
fab:fab_expanddirection="down"
fab:fab_labelstyle="@style/menu_labels_style" >
<com.getbase.floatingactionbutton.floatingactionbutton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
fab:fab_colornormal="@color/white"
fab:fab_colorpressed="@color/white_pressed"
fab:fab_size="mini" />
<com.getbase.floatingactionbutton.floatingactionbutton
android:id="@+id/button_remove"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
fab:fab_colornormal="@color/white"
fab:fab_colorpressed="@color/white_pressed"
fab:fab_title="click to remove" />
<com.getbase.floatingactionbutton.floatingactionbutton
android:id="@+id/button_gone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
fab:fab_colornormal="@color/white"
fab:fab_colorpressed="@color/white_pressed" />
<com.getbase.floatingactionbutton.floatingactionbutton
android:id="@+id/action_enable"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
fab:fab_colornormal="@color/white"
fab:fab_colorpressed="@color/white_pressed"
fab:fab_title="set bottom menu enabled/disabled" />
</com.getbase.floatingactionbutton.floatingactionsmenu>
<com.getbase.floatingactionbutton.floatingactionsmenu
android:id="@+id/multiple_actions_left"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignparenttop="true"
android:layout_marginend="dp"
android:layout_marginright="dp"
android:layout_margintop="dp"
android:layout_toleftof="@+id/multiple_actions_down"
android:layout_tostartof="@+id/multiple_actions_down"
fab:fab_addbuttoncolornormal="@color/white"
fab:fab_addbuttoncolorpressed="@color/white_pressed"
fab:fab_addbuttonplusiconcolor="@color/half_black"
fab:fab_addbuttonsize="mini"
fab:fab_addbuttonstrokevisible="false"
fab:fab_expanddirection="left" >
<com.getbase.floatingactionbutton.floatingactionbutton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
fab:fab_colornormal="@color/white"
fab:fab_colorpressed="@color/white_pressed" />
<com.getbase.floatingactionbutton.floatingactionbutton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
fab:fab_colornormal="@color/white"
fab:fab_colorpressed="@color/white_pressed"
fab:fab_size="mini" />
<com.getbase.floatingactionbutton.floatingactionbutton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:visibility="gone"
fab:fab_colornormal="@color/white"
fab:fab_colorpressed="@color/white_pressed"
fab:fab_size="mini" />
</com.getbase.floatingactionbutton.floatingactionsmenu>
<com.getbase.floatingactionbutton.floatingactionbutton
android:id="@+id/setter_drawable"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@id/setter"
android:layout_centerhorizontal="true" />
</relativelayout>
java代码：
package com.getbase.floatingactionbutton.sample;
import com.getbase.floatingactionbutton.floatingactionbutton;
import com.getbase.floatingactionbutton.floatingactionsmenu;
import android.app.activity;
import android.graphics.drawable.shapedrawable;
import android.graphics.drawable.shapes.ovalshape;
import android.os.bundle;
import android.view.view;
import android.view.view.onclicklistener;
import android.widget.toast;
public class mainactivity extends activity {
@override
protected void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
setcontentview(r.layout.activity_main);
findviewbyid(r.id.pink_icon).setonclicklistener(new onclicklistener() {
@override
public void onclick(view v) {
toast.maketext(mainactivity.this, "clicked pink floating action button", toast.length_short).show();
}
});
floatingactionbutton button = (floatingactionbutton) findviewbyid(r.id.setter);
button.setsize(floatingactionbutton.size_mini);
button.setcolornormalresid(r.color.pink);
button.setcolorpressedresid(r.color.pink_pressed);
button.seticon(r.drawable.ic_fab_star);
button.setstrokevisible(false);
final view actionb = findviewbyid(r.id.action_b);
floatingactionbutton actionc = new floatingactionbutton(getbasecontext());
actionc.settitle("hide/show action above");
actionc.setonclicklistener(new onclicklistener() {
@override
public void onclick(view v) {
actionb.setvisibility(actionb.getvisibility() == view.gone ? view.visible : view.gone);
}
});
final floatingactionsmenu menumultipleactions = (floatingactionsmenu) findviewbyid(r.id.multiple_actions);
menumultipleactions.addbutton(actionc);
final floatingactionbutton removeaction = (floatingactionbutton) findviewbyid(r.id.button_remove);
removeaction.setonclicklistener(new onclicklistener() {
@override
public void onclick(view v) {
((floatingactionsmenu) findviewbyid(r.id.multiple_actions_down)).removebutton(removeaction);
}
});
shapedrawable drawable = new shapedrawable(new ovalshape());
drawable.getpaint().setcolor(getresources().getcolor(r.color.white));
((floatingactionbutton) findviewbyid(r.id.setter_drawable)).seticondrawable(drawable);
final floatingactionbutton actiona = (floatingactionbutton) findviewbyid(r.id.action_a);
actiona.setonclicklistener(new onclicklistener() {
@override
public void onclick(view view) {
actiona.settitle("action a clicked");
}
});
// test that fams containing fabs with visibility gone do not cause crashes
findviewbyid(r.id.button_gone).setvisibility(view.gone);
final floatingactionbutton actionenable = (floatingactionbutton) findviewbyid(r.id.action_enable);
actionenable.setonclicklistener(new onclicklistener() {
@override
public void onclick(view view) {
menumultipleactions.setenabled(!menumultipleactions.isenabled());
}
});
floatingactionsmenu rightlabels = (floatingactionsmenu) findviewbyid(r.id.right_labels);
floatingactionbutton addedonce = new floatingactionbutton(this);
addedonce.settitle("added once");
rightlabels.addbutton(addedonce);
floatingactionbutton addedtwice = new floatingactionbutton(this);
addedtwice.settitle("added twice");
rightlabels.addbutton(addedtwice);
rightlabels.removebutton(addedtwice);
rightlabels.addbutton(addedtwice);
}
}
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colors：
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="black_semi_transparent">#b2000000</color>
<color name="background">#e5e5e5</color>
<color name="half_black">#808080</color>
<color name="white">#fafafa</color>
<color name="white_pressed">#f1f1f1</color>
<color name="pink">#e91e63</color>
<color name="pink_pressed">#ec407a</color>
<color name="blue_semi_transparent">#805677fc</color>
<color name="blue_semi_transparent_pressed">#80738ffe</color>
</resources>
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