公司项目需求，需要给软件加入报警功能，
点击手绘的报警图标，开始震动，并且发出报警铃音，
使用了layerlist，drawable，Vibrator，soundpool
public class SosMainActivity extends BaseActivity{
private TextView sosTv1,sosTv2,sosTv3;
private int blueColor , whiteColor,transparent;
private Vibrator vibrator;
private SoundPool soundPool;
int hit;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_sos);
sosTv1 = (TextView)findViewById(R.id.sostv1);
sosTv2 =(TextView)findViewById(R.id.sostv2);
sosTv3 =(TextView)findViewById(R.id.sostv3);
vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
soundPool = new SoundPool(2, AudioManager.STREAM_MUSIC, 100);
hit = soundPool.load(context, R.raw.alertmp3, 0);
blueColor = getResources().getColor(R.color.bluetext);
whiteColor= getResources().getColor(android.R.color.white);
transparent = getResources().getColor(android.R.color.transparent);
btnSelected1();
sosTv1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
btnSelected1();
}
});
sosTv2.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
btnSelected2();
}
});
sosTv3.setOnLongClickListener(new MyOnclick());
}
public class MyOnclick implements OnLongClickListener{
public MyOnclick( ){
}
@Override
public boolean onLongClick(View v) {
// TODO Auto-generated method stub
soundPool.play(hit, 5, 5, 0, 5, (float)1);
vibrator.vibrate(new long[]{100,2000,500,2500},-1);
return false;
}
}
private void btnSelected1(){
Drawable back1 = getResources().getDrawable(R.drawable.btn_safety_right);
sosTv2.setBackgroundDrawable(back1);
sosTv2.setTextColor(blueColor);
sosTv1.setTextColor(whiteColor);
sosTv1.setBackgroundResource(transparent);
}
private void btnSelected2(){
Drawable back1 = getResources().getDrawable(R.drawable.btn_safety_leftshape);
sosTv1.setBackgroundDrawable(back1);
sosTv1.setTextColor(blueColor);
sosTv2.setBackgroundResource(transparent);
sosTv2.setTextColor(whiteColor);
}
}
activity_sos.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:my="http://schemas.android.com/apk/res/com.seable.withome"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center_horizontal"
android:orientation="vertical" >
<com.seable.withome.myview.TitleBar
android:id="@+id/TitleBar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
my:titleName="智慧家园" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_marginTop="50dp"
android:padding="10dp" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:background="@drawable/btn_safety_back1"
android:orientation="horizontal" >
<TextView
android:id="@+id/sostv1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:padding="10dp"
android:text="紧急救援"
android:textSize="@dimen/txt_20"
android:textColor="@color/white" />
<TextView
android:id="@+id/sostv2"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@drawable/btn_safety_right"
android:gravity="center"
android:padding="10dp"
android:text="对讲报警"
android:textSize="@dimen/txt_20"
android:textColor="@color/bluetext" />
</LinearLayout>
</LinearLayout>
<TextView
android:id="@+id/sostv3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:layout_marginTop="100dp"
android:background="@drawable/btn_sos_main"
android:gravity="center"
android:paddingTop="120dp"
android:text="紧急报警"
android:textSize="25sp"
android:textColor="@android:color/white" />
</RelativeLayout>
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原文：http://blog.csdn.net/kan1kan5/article/details/41680041
