其它一些不常用的工具方法OtherHelper

OtherHelper

import java.util.List;
import java.util.Random;

import android.app.Activity;
import android.app.ActivityManager;
import android.app.ActivityManager.RunningAppProcessInfo;
import android.app.ActivityManager.RunningTaskInfo;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.text.Html;
import android.widget.TextView;

public class OtherHelper {

private OtherHelper util;

public OtherHelper getInstance() {

if (util == null) {
util = new OtherHelper();

}
return util;

}

private OtherHelper() {
super();
}

/**
* 打开微信
*
* @param context
* @param url
* @return
*/
public boolean openWeChat(Context context, String url) {
if (PhoneHelper.getInstance().isInstall("com.tencent.mm")) {
try {
Intent localIntent = new Intent("android.intent.action.VIEW");
localIntent.setData(Uri.parse(url));
localIntent.setPackage("com.tencent.mm");

context.startActivity(localIntent);
if (context instanceof Activity)
((Activity) context).overridePendingTransition(
android.R.anim.slide_in_left,
android.R.anim.slide_out_right);
return true;
} catch (Exception e) {
e.printStackTrace();

return false;
}
}
return false;
}

/**
* 直接分享到微信
*
* @param context
* @param text
* @param subject
* @param title
* @param isFriend
*            是分享到好友还是朋友圈
*/
public void shareToWeChat(Context context, String text, String subject,
String title, boolean isFriend) {
Intent intent = new Intent();
String str = "";
if (isFriend) {
str = "com.tencent.mm.ui.tools.ShareImgUI";
} else {
str = "com.tencent.mm.ui.tools.ShareToTimeLineUI";
}
ComponentName comp = new ComponentName("com.tencent.mm", str);
intent.setComponent(comp);
intent.setAction("android.intent.action.SEND");
intent.setType("text/*");
intent.putExtra(Intent.EXTRA_TEXT, text);
intent.putExtra(Intent.EXTRA_SUBJECT, subject);
intent.putExtra(Intent.EXTRA_TITLE, title);

// intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(file));
context.startActivity(intent);
}

/**
* 得到随机颜色
*
* @return
*/
public String getRandomColor() {

String r, g, b;
Random random = new Random();
r = Integer.toHexString(random.nextInt(256)).toUpperCase();
g = Integer.toHexString(random.nextInt(256)).toUpperCase();
b = Integer.toHexString(random.nextInt(256)).toUpperCase();

r = r.length() == 1 ? "0" + r : r;
g = g.length() == 1 ? "0" + g : g;
b = b.length() == 1 ? "0" + b : b;

return "#" + r + g + b;

}

/**
* 在TextView中插入图片
*
* @param context
* @param tv
* @param rid
* @param size
*/
public void textViewInImag(final Context context, TextView tv, int rid,
final int size) {

String imgStr = "<img src=\"" + rid + "\"/>";
Html.ImageGetter imageGetter = new Html.ImageGetter() {
public Drawable getDrawable(String arg0) {

int id = Integer.parseInt(arg0);
Drawable draw = context.getResources().getDrawable(id);
draw.setBounds(0, 0, size, size);
return draw;
}
};
tv.append(Html.fromHtml(imgStr, imageGetter, null));
}

/**
* 当前应用是否在后台运行
*
* @param context
* @return
*/
public boolean isAppRunBackground(Context context) {

ActivityManager activityManager = (ActivityManager) context
.getSystemService(Context.ACTIVITY_SERVICE);
List<RunningAppProcessInfo> appProcesses = activityManager
.getRunningAppProcesses();
for (RunningAppProcessInfo appProcess : appProcesses) {
if (appProcess.processName.equals(context.getPackageName())) {
if (appProcess.importance == RunningAppProcessInfo.IMPORTANCE_BACKGROUND) {

return true;
} else {

return false;
}
}
}
return false;
}

/**
* 当前应用是否在后台运行 需要权限<uses-permission
* android:name="android.permission.GET_TASKS" />
*
* @param context
* @return
*/
public boolean isAppRunBackGround(final Context context) {
ActivityManager am = (ActivityManager) context
.getSystemService(Context.ACTIVITY_SERVICE);
List<RunningTaskInfo> tasks = am.getRunningTasks(1);
if (!tasks.isEmpty()) {
ComponentName topActivity = tasks.get(0).topActivity;
if (!topActivity.getPackageName().equals(context.getPackageName())) {
return true;
}
}
return false;
}

/**
* 后台服务是否在运行
*
* @param context
* @param cl
* @return
*/
public boolean isServiceRunning(Context context, String serName) {
boolean isRunning = false;

ActivityManager activityManager = (ActivityManager) context
.getSystemService(Context.ACTIVITY_SERVICE);
List<ActivityManager.RunningServiceInfo> serviceList = activityManager
.getRunningServices(Integer.MAX_VALUE);

if (serviceList == null || serviceList.size() == 0) {
return false;
}

for (int i = 0; i < serviceList.size(); i++) {
if (serviceList.get(i).service.getClassName().equals(serName)) {
isRunning = true;
break;
}
}
return isRunning;
}

/**
* activity是否在运行
*
* @param context
* @param className
* @return
*/
public boolean isActivityRunning(Context context, String className) {
ActivityManager activityManager = (ActivityManager) context
.getSystemService(Context.ACTIVITY_SERVICE);
List<ActivityManager.RunningTaskInfo> appList = activityManager
.getRunningTasks(1000);
for (ActivityManager.RunningTaskInfo running : appList) {

if (className.equals(running.baseActivity.getClassName())) {
return true;
}
}
return false;

}

/**
* 最近是否运行过App
* @param context
* @param packageName
* @return
*/
public boolean isRecentAppRunning(Context context, String packageName) {
ActivityManager activityManager = (ActivityManager) context
.getSystemService(Context.ACTIVITY_SERVICE);
List<ActivityManager.RecentTaskInfo> appList = activityManager
.getRecentTasks(100, 1);
for (ActivityManager.RecentTaskInfo running : appList) {

if (running.origActivity.getPackageName().equals(packageName)) {
return true;
}
}
return false;

}

}